build

1 files changed, 10 insertions, 10 deletions

diff --git a/webtorrent.min.js b/webtorrent.min.js
index 088900c..09735d8 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1,12 +1,12 @@
 (function(e){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=e()}else if(typeof define==="function"&&define.amd){define([],e)}else{var t;if(typeof window!=="undefined"){t=window}else if(typeof global!=="undefined"){t=global}else if(typeof self!=="undefined"){t=self}else{t=this}t.WebTorrent=e()}})(function(){var e,t,r;return function n(e,t,r){function i(s,o){if(!t[s]){if(!e[s]){var f=typeof require=="function"&&require;if(!o&&f)return f(s,!0);if(a)return a(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var l=t[s]={exports:{}};e[s][0].call(l.exports,function(t){var r=e[s][1][t];return i(r?r:t)},l,l.exports,n,e,t,r)}return t[s].exports}var a=typeof require=="function"&&require;for(var s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,t,r){var n=/^\[?([^\]]+)\]?:(\d+)$/;var i={};var a=0;t.exports=function s(e){if(a===1e5)i={};if(!i[e]){var t=n.exec(e);if(!t)throw new Error("invalid addr: 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i(0,{grow:c});this.peerExtensions={};this.requests=[];this.peerRequests=[];this.extendedMapping={};this.peerExtendedMapping={};this.extendedHandshake={};this.peerExtendedHandshake={};this._ext={};this._nextExt=1;this.uploaded=0;this.downloaded=0;this.uploadSpeed=u();this.downloadSpeed=u();this._keepAliveInterval=null;this._timeout=null;this._timeoutMs=0;this.destroyed=false;this._finished=false;this._buffer=[];this._bufferSize=0;this._parser=null;this._parserSize=0;this.on("finish",this._onfinish);this._parseHandshake()}w.prototype.setKeepAlive=function(e){this._debug("setKeepAlive %s",e);clearInterval(this._keepAliveInterval);if(e===false)return;this._keepAliveInterval=setInterval(this.keepAlive.bind(this),6e4)};w.prototype.setTimeout=function(e,t){this._debug("setTimeout ms=%d 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t==="string")t=new r(t,"hex");if(e.length!==20||t.length!==20){throw new Error("infoHash and peerId MUST have length 20")}this._debug("handshake i=%s p=%s exts=%o",e.toString("hex"),t.toString("hex"),n);var i=new r(y);i[5]|=16;if(n&&n.dht)i[7]|=1;this._push(r.concat([p,i,e,t]));this._handshakeSent=true;if(this.peerExtensions.extended){this._sendExtendedHandshake()}};w.prototype._sendExtendedHandshake=function(){var e=s(this.extendedHandshake);e.m={};for(var t in this.extendedMapping){var 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keep-alive");this.emit("keep-alive")};w.prototype._onHandshake=function(e,t,r){this._debug("got handshake i=%s p=%s exts=%o",e.toString("hex"),t.toString("hex"),r);this.peerId=t;this.peerExtensions=r;this.emit("handshake",e,t,r);var n;for(n in this._ext){this._ext[n].onHandshake(e,t,r)}if(r.extended&&this._handshakeSent){this._sendExtendedHandshake()}};w.prototype._onChoke=function(){this.peerChoking=true;this._debug("got choke");this.emit("choke");while(this.requests.length){this._callback(this.requests.shift(),new Error("peer is choking"),null)}};w.prototype._onUnchoke=function(){this.peerChoking=false;this._debug("got unchoke");this.emit("unchoke")};w.prototype._onInterested=function(){this.peerInterested=true;this._debug("got interested");this.emit("interested")};w.prototype._onUninterested=function(){this.peerInterested=false;this._debug("got uninterested");this.emit("uninterested")};w.prototype._onHave=function(e){if(this.peerPieces.get(e))return;this._debug("got have 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l(e){return c(e,s,"day")||c(e,a,"hour")||c(e,i,"minute")||c(e,n,"second")||e+" ms"}function c(e,t,r){if(e<t)return;if(e<t*1.5)return Math.floor(e/t)+" "+r;return Math.ceil(e/t)+" "+r+"s"}},{}],11:[function(e,t,r){var n=t.exports=function(e,t){if(!t)t=16;if(e===undefined)e=128;if(e<=0)return"0";var r=Math.log(Math.pow(2,e))/Math.log(t);for(var i=2;r===Infinity;i*=2){r=Math.log(Math.pow(2,e/i))/Math.log(t)*i}var a=r-Math.floor(r);var s="";for(var i=0;i<Math.floor(r);i++){var o=Math.floor(Math.random()*t).toString(t);s=o+s}if(a){var f=Math.pow(t,a);var o=Math.floor(Math.random()*f).toString(t);s=o+s}var u=parseInt(s,t);if(u!==Infinity&&u>=Math.pow(2,e)){return n(e,t)}else return s};n.rack=function(e,t,r){var i=function(i){var s=0;do{if(s++>10){if(r)e+=r;else throw new Error("too many ID collisions, use more bits")}var o=n(e,t)}while(Object.hasOwnProperty.call(a,o));a[o]=i;return o};var a=i.hats={};i.get=function(e){return i.hats[e]};i.set=function(e,t){i.hats[e]=t;return i};i.bits=e||128;i.base=t||16;return i}},{}],12:[function(e,t,r){if(typeof Object.create==="function"){t.exports=function n(e,t){e.super_=t;e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:false,writable:true,configurable:true}})}}else{t.exports=function i(e,t){e.super_=t;var r=function(){};r.prototype=t.prototype;e.prototype=new r;e.prototype.constructor=e}}},{}],13:[function(e,t,r){var n=1;var i=65535;var a=4;var s=function(){n=n+1&i};var o=setInterval(s,1e3/a|0);if(o.unref)o.unref();t.exports=function(e){var t=a*(e||5);var r=[0];var s=1;var o=n-1&i;return function(e){var f=n-o&i;if(f>t)f=t;o=n;while(f--){if(s===t)s=0;r[s]=r[s===0?t-1:s-1];s++}if(e)r[s-1]+=e;var u=r[s-1];var l=r.length<t?0:r[s===t?0:s];return r.length<a?u:(u-l)*a/r.length}}},{}],14:[function(e,t,r){t.exports=n;function n(){var e={};for(var t=0;t<arguments.length;t++){var r=arguments[t];for(var n in r){if(r.hasOwnProperty(n)){e[n]=r[n]}}}return e}},{}],15:[function(e,t,r){(function(r,n){t.exports=m;var i=e("addr-to-ip-port");var a=e("debug")("bittorrent-swarm");var s=e("dezalgo");var o=e("events").EventEmitter;var f=e("inherits");var u=e("net");var l=e("./lib/peer");var c=e("speedometer");var p=e("./lib/tcp-pool");var d=55;var h=[1e3,5e3,15e3];f(m,o);function m(e,t,r){var i=this;if(!(i instanceof m))return new m(e,t,r);o.call(i);i.infoHash=typeof e==="string"?new n(e,"hex"):e;i.infoHashHex=i.infoHash.toString("hex");i.peerId=typeof t==="string"?new n(t,"hex"):t;i.peerIdHex=i.peerId.toString("hex");if(!r)r={};a("new swarm (i %s p %s)",i.infoHashHex,i.peerIdHex);i.handshakeOpts=r.handshake;i.maxConns=r.maxConns!==undefined?r.maxConns:d;i.destroyed=false;i.listening=false;i.paused=false;i.server=null;i.wires=[];i._queue=[];i._peers={};i._peersLength=0;i._port=0;i.downloaded=0;i.uploaded=0;i.downloadSpeed=c();i.uploadSpeed=c()}Object.defineProperty(m.prototype,"ratio",{get:function(){var e=this;return e.uploaded/e.downloaded||0}});Object.defineProperty(m.prototype,"numQueued",{get:function(){var e=this;return e._queue.length+(e._peersLength-e.numConns)}});Object.defineProperty(m.prototype,"numConns",{get:function(){var e=this;var t=0;for(var r in e._peers){var n=e._peers[r];if(n&&n.connected)t+=1}return t}});Object.defineProperty(m.prototype,"numPeers",{get:function(){var e=this;return e.wires.length}});m.prototype.addPeer=function(e){var t=this;t._addPeer(e)};m.prototype._addPeer=function(e){var t=this;if(t.destroyed){if(e&&e.destroy)e.destroy(new Error("swarm already destroyed"));return null}if(typeof e==="string"&&!t._validAddr(e)){a("ignoring invalid peer %s (from swarm.addPeer)",e);return null}var r=e&&e.id||e;if(t._peers[r])return;a("addPeer %s",r);var n;if(typeof e==="string"){n=l.createOutgoingTCPPeer(e,t)}else{if(t.paused){e.destroy(new Error("swarm paused"));return null}n=l.createWebRTCPeer(e,t)}t._peers[n.id]=n;t._peersLength+=1;if(typeof e==="string"){t._queue.push(n);t._drain()}return n};m.prototype.addWebSeed=function(e,t){var r=this;if(r.destroyed)return;if(!/^https?:\/\/.+/.test(e)){a("ignoring invalid web seed %s (from swarm.addWebSeed)",e);return}if(r._peers[e])return;a("addWebSeed %s",e);var n=l.createWebPeer(e,t,r);r._peers[n.id]=n;r._peersLength+=1};m.prototype._addIncomingPeer=function(e){var t=this;if(t.destroyed)return e.destroy(new Error("swarm already destroyed"));if(t.paused)return e.destroy(new Error("swarm paused"));if(!t._validAddr(e.addr)){return e.destroy(new Error("invalid addr "+e.addr+" (from incoming)"))}a("_addIncomingPeer %s",e.id);t._peers[e.id]=e;t._peersLength+=1};m.prototype.removePeer=function(e){var t=this;var r=t._peers[e];if(!r)return;a("removePeer %s",e);t._peers[e]=null;t._peersLength-=1;r.destroy();t._drain()};m.prototype.pause=function(){var e=this;if(e.destroyed)return;a("pause");e.paused=true};m.prototype.resume=function(){var e=this;if(e.destroyed)return;a("resume");e.paused=false;e._drain()};m.prototype.listen=function(e,t,n){var i=this;if(typeof t==="function"){n=t;t=undefined}if(n)n=s(n);if(i.listening)throw new Error("swarm already listening");if(r.browser&&n){n()}else{i._port=e||p.getDefaultListenPort(i.infoHashHex);i._hostname=t;if(n)i.once("listening",n);a("listen %s",e);var o=p.addSwarm(i);i.server=o.server}};m.prototype._onListening=function(e){var t=this;t._port=e;t.listening=true;t.emit("listening")};m.prototype.address=function(){var e=this;return e.server.address()};m.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.listening=false;t.paused=false;if(e)t.once("close",e);a("destroy");for(var r in t._peers){t.removePeer(r)}p.removeSwarm(t,function(){t.emit("close")})};m.prototype._drain=function(){var e=this;a("_drain numConns %s maxConns %s",e.numConns,e.maxConns);if(typeof u.connect!=="function"||e.destroyed||e.paused||e.numConns>=e.maxConns){return}a("drain (%s queued, %s/%s peers)",e.numQueued,e.numPeers,e.maxConns);var t=e._queue.shift();if(!t)return;a("tcp connect attempt to %s",t.addr);var r=i(t.addr);var n={host:r[0],port:r[1]};if(e._hostname)n.localAddress=e._hostname;var s=t.conn=u.connect(n);s.once("connect",function(){t.onConnect()});s.once("error",function(e){t.destroy(e)});t.setConnectTimeout();s.on("close",function(){if(e.destroyed)return;if(t.retries>=h.length){a("conn %s closed: will not re-add (max %s attempts)",t.addr,h.length);return}var r=h[t.retries];a("conn %s closed: will re-add to queue in %sms (attempt %s)",t.addr,r,t.retries+1);var n=setTimeout(function i(){var r=e._addPeer(t.addr);if(r)r.retries=t.retries+1},r);if(n.unref)n.unref()})};m.prototype._onError=function(e){var t=this;t.emit("error",e);t.destroy()};m.prototype._validAddr=function(e){var t=this;var r=i(e);var n=r[0];var a=r[1];return a>0&&a<65535&&!(n==="127.0.0.1"&&a===t._port)}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/peer":16,"./lib/tcp-pool":17,_process:172,"addr-to-ip-port":163,buffer:164,debug:20,dezalgo:23,events:168,inherits:27,net:163,speedometer:28}],16:[function(e,t,r){var n=e("debug")("bittorrent-swarm:peer");var i=e("./webconn");var a=e("bittorrent-protocol");var s=25e3;var o=25e3;r.createWebRTCPeer=function(e,t){var r=new f(e.id);r.conn=e;r.swarm=t;if(r.conn.connected){r.onConnect()}else{r.conn.once("connect",function(){r.onConnect()});r.conn.once("error",function(e){r.destroy(e)});r.setConnectTimeout()}return r};r.createIncomingTCPPeer=function(e){var t=e.remoteAddress+":"+e.remotePort;var r=new f(t);r.conn=e;r.addr=t;r.onConnect();return r};r.createOutgoingTCPPeer=function(e,t){var r=new f(e);r.addr=e;r.swarm=t;return r};r.createWebPeer=function(e,t,r){var n=new f(e);n.swarm=r;n.conn=new i(e,t);n.onConnect();return n};function f(e){var t=this;t.id=e;n("new Peer %s",e);t.addr=null;t.conn=null;t.swarm=null;t.wire=null;t.connected=false;t.destroyed=false;t.timeout=null;t.retries=0;t.sentHandshake=false}f.prototype.onConnect=function(){var e=this;if(e.destroyed)return;e.connected=true;n("Peer %s connected",e.id);clearTimeout(e.connectTimeout);var t=e.conn;t.once("end",function(){e.destroy()});t.once("close",function(){e.destroy()});t.once("finish",function(){e.destroy()});t.once("error",function(t){e.destroy(t)});var r=e.wire=new a;r.once("end",function(){e.destroy()});r.once("close",function(){e.destroy()});r.once("finish",function(){e.destroy()});r.once("error",function(t){e.destroy(t)});r.once("handshake",function(t,r){e.onHandshake(t,r)});e.setHandshakeTimeout();t.pipe(r).pipe(t);if(e.swarm&&!e.sentHandshake)e.handshake()};f.prototype.onHandshake=function(e,t){var r=this;if(!r.swarm)return;var i=e.toString("hex");var a=t.toString("hex");if(r.swarm.destroyed)return r.destroy(new Error("swarm already destroyed"));if(i!==r.swarm.infoHashHex){return r.destroy(new Error("unexpected handshake info hash for this swarm"))}if(a===r.swarm.peerIdHex){return r.destroy(new Error("refusing to handshake with self"))}n("Peer %s got handshake %s",r.id,i);clearTimeout(r.handshakeTimeout);r.retries=0;r.wire.on("download",function(e){if(r.destroyed)return;r.swarm.downloaded+=e;r.swarm.downloadSpeed(e);r.swarm.emit("download",e)});r.wire.on("upload",function(e){if(r.destroyed)return;r.swarm.uploaded+=e;r.swarm.uploadSpeed(e);r.swarm.emit("upload",e)});if(!r.sentHandshake)r.handshake();r.swarm.wires.push(r.wire);var s=r.addr;if(!s&&r.conn.remoteAddress){s=r.conn.remoteAddress+":"+r.conn.remotePort}r.swarm.emit("wire",r.wire,s)};f.prototype.handshake=function(){var e=this;e.wire.handshake(e.swarm.infoHash,e.swarm.peerId,e.swarm.handshakeOpts);e.sentHandshake=true};f.prototype.setConnectTimeout=function(){var e=this;clearTimeout(e.connectTimeout);e.connectTimeout=setTimeout(function(){e.destroy(new Error("connect timeout"))},s);if(e.connectTimeout.unref)e.connectTimeout.unref()};f.prototype.setHandshakeTimeout=function(){var e=this;clearTimeout(e.handshakeTimeout);e.handshakeTimeout=setTimeout(function(){e.destroy(new Error("handshake timeout"))},o);if(e.handshakeTimeout.unref)e.handshakeTimeout.unref()};f.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;t.connected=false;n("destroy %s (error: %s)",t.id,e&&(e.message||e));clearTimeout(t.connectTimeout);clearTimeout(t.handshakeTimeout);var r=t.swarm;var i=t.conn;var a=t.wire;t.conn=null;t.swarm=null;t.wire=null;if(r&&a){var s=r.wires.indexOf(a);if(s>=0)r.wires.splice(s,1)}if(i)i.destroy();if(a)a.destroy();if(r)r.removePeer(t.id)}},{"./webconn":18,"bittorrent-protocol":2,debug:20}],17:[function(e,t,r){(function(r){t.exports=f;var n=e("debug")("bittorrent-swarm:tcp-pool");var i=e("dezalgo");var a=e("net");var s=e("./peer");var o={};function f(e,t){var r=this;r.port=e;r.listening=false;r.swarms={};n("new TCPPool (port: %s, hostname: %s)",e,t);r.pendingConns=[];r.server=a.createServer();r.server.on("connection",function(e){r._onConnection(e)});r.server.on("error",function(e){r._onError(e)});r.server.on("listening",function(){r._onListening()});r.server.listen(r.port,t)}f.addSwarm=function(e){var t=o[e._port];if(!t)t=o[e._port]=new f(e._port,e._hostname);t.addSwarm(e);return t};f.removeSwarm=function(e,t){var n=o[e._port];if(!n)return t();n.removeSwarm(e);var i=0;for(var a in n.swarms){var s=n.swarms[a];if(s)i+=1}if(i===0)n.destroy(t);else r.nextTick(t)};f.getDefaultListenPort=function(e){for(var t in o){var r=o[t];if(r&&!r.swarms[e])return r.port}return 0};f.prototype.addSwarm=function(e){var t=this;if(t.swarms[e.infoHashHex]){r.nextTick(function(){e._onError(new Error("There is already a swarm with info hash "+e.infoHashHex+" "+"listening on port "+e._port))});return}t.swarms[e.infoHashHex]=e;if(t.listening){r.nextTick(function(){e._onListening(t.port)})}n("add swarm %s to tcp pool %s",e.infoHashHex,t.port)};f.prototype.removeSwarm=function(e){var t=this;n("remove swarm %s from tcp pool %s",e.infoHashHex,t.port);t.swarms[e.infoHashHex]=null};f.prototype.destroy=function(e){var t=this;if(e)e=i(e);n("destroy tcp pool %s",t.port);t.listening=false;t.pendingConns.forEach(function(e){e.destroy()});o[t.port]=null;try{t.server.close(e)}catch(r){if(e)e(null)}};f.prototype._onListening=function(){var e=this;var t=e.server.address()||{port:0};var r=t.port;n("tcp pool listening on %s",r);if(r!==e.port){o[e.port]=null;e.port=r;o[e.port]=e}e.listening=true;for(var i in e.swarms){var a=e.swarms[i];if(a)a._onListening(e.port)}};f.prototype._onConnection=function(e){var t=this;t.pendingConns.push(e);e.once("close",r);function r(){
 t.pendingConns.splice(t.pendingConns.indexOf(e))}var n=s.createIncomingTCPPeer(e);n.wire.once("handshake",function(i,a){var s=i.toString("hex");r();e.removeListener("close",r);var o=t.swarms[s];if(o){n.swarm=o;o._addIncomingPeer(n);n.onHandshake(i,a)}else{var f=new Error("Unexpected info hash "+s+" from incoming peer "+n.id+": destroying peer");n.destroy(f)}})};f.prototype._onError=function(e){var t=this;t.destroy();for(var r in t.swarms){var n=t.swarms[r];if(n){t.removeSwarm(n);n._onError(e)}}}}).call(this,e("_process"))},{"./peer":16,_process:172,debug:20,dezalgo:23,net:163}],18:[function(e,t,r){(function(r){t.exports=f;var n=e("bitfield");var i=e("debug")("bittorrent-swarm:webconn");var a=e("simple-get");var s=e("inherits");var o=e("bittorrent-protocol");s(f,o);function f(e,t){var a=this;o.call(this);a.url=e;a.parsedTorrent=t;a.setKeepAlive(true);a.on("handshake",function(t,i){a.handshake(t,new r(20).fill(e));var s=a.parsedTorrent.pieces.length;var o=new n(s);for(var f=0;f<=s;f++){o.set(f,true)}a.bitfield(o)});a.on("choke",function(){i("choke")});a.on("unchoke",function(){i("unchoke")});a.once("interested",function(){i("interested");a.unchoke()});a.on("uninterested",function(){i("uninterested")});a.on("bitfield",function(){i("bitfield")});a.on("request",function(e,t,r,n){i("request pieceIndex=%d offset=%d length=%d",e,t,r);a.httpRequest(e,t,r,n)})}f.prototype.httpRequest=function(e,t,r,n){var s=this;var o=e*s.parsedTorrent.pieceLength;var f=o+t;var u=f+r-1;i("Requesting pieceIndex=%d offset=%d length=%d start=%d end=%d",e,t,r,f,u);var l={url:s.url,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+f+"-"+u}};a.concat(l,function(e,t,r){if(e)return n(e);if(r.statusCode<200||r.statusCode>=300){return n(new Error("Unexpected HTTP status code "+r.statusCode))}i("Got data of length %d",t.length);n(null,t)})}}).call(this,e("buffer").Buffer)},{bitfield:19,"bittorrent-protocol":2,buffer:164,debug:20,inherits:27,"simple-get":105}],19:[function(e,t,r){arguments[4][7][0].apply(r,arguments)},{buffer:164,dup:7}],20:[function(e,t,r){arguments[4][8][0].apply(r,arguments)},{"./debug":21,dup:8}],21:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{dup:9,ms:22}],22:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{dup:10}],23:[function(e,t,r){var n=e("wrappy");t.exports=n(a);var i=e("asap");function a(e){var t=true;i(function(){t=false});return function r(){var r=arguments;var n=this;if(t)i(function(){e.apply(n,r)});else e.apply(n,r)}}},{asap:24,wrappy:26}],24:[function(e,t,r){"use strict";var n=e("./raw");var i=[];var a=[];var s=n.makeRequestCallFromTimer(o);function o(){if(a.length){throw a.shift()}}t.exports=f;function f(e){var t;if(i.length){t=i.pop()}else{t=new u}t.task=e;n(t)}function u(){this.task=null}u.prototype.call=function(){try{this.task.call()}catch(e){if(f.onerror){f.onerror(e)}else{a.push(e);s()}}finally{this.task=null;i[i.length]=this}}},{"./raw":25}],25:[function(e,t,r){(function(e){"use strict";t.exports=r;function r(e){if(!n.length){a();i=true}n[n.length]=e}var n=[];var i=false;var a;var s=0;var o=1024;function f(){while(s<n.length){var e=s;s=s+1;n[e].call();if(s>o){for(var t=0,r=n.length-s;t<r;t++){n[t]=n[t+s]}n.length-=s;s=0}}n.length=0;s=0;i=false}var u=e.MutationObserver||e.WebKitMutationObserver;if(typeof u==="function"){a=l(f)}else{a=c(f)}r.requestFlush=a;function l(e){var t=1;var r=new u(e);var n=document.createTextNode("");r.observe(n,{characterData:true});return function i(){t=-t;n.data=t}}function c(e){return function t(){var t=setTimeout(n,0);var r=setInterval(n,50);function n(){clearTimeout(t);clearInterval(r);e()}}}r.makeRequestCallFromTimer=c}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],26:[function(e,t,r){t.exports=n;function n(e,t){if(e&&t)return n(e)(t);if(typeof e!=="function")throw new TypeError("need wrapper function");Object.keys(e).forEach(function(t){r[t]=e[t]});return r;function r(){var t=new Array(arguments.length);for(var r=0;r<t.length;r++){t[r]=arguments[r]}var n=e.apply(this,t);var i=t[t.length-1];if(typeof n==="function"&&n!==i){Object.keys(i).forEach(function(e){n[e]=i[e]})}return n}}},{}],27:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],28:[function(e,t,r){arguments[4][13][0].apply(r,arguments)},{dup:13}],29:[function(e,t,r){(function(r,n){t.exports=m;var i=e("events").EventEmitter;var a=e("debug")("bittorrent-tracker");var s=e("inherits");var o=e("once");var f=e("run-parallel");var u=e("uniq");var l=e("url");var c=e("./lib/common");var p=e("./lib/client/http-tracker");var d=e("./lib/client/udp-tracker");var h=e("./lib/client/websocket-tracker");s(m,i);function m(e,t,s,o){var f=this;if(!(f instanceof m))return new m(e,t,s,o);i.call(f);if(!o)o={};f._peerId=n.isBuffer(e)?e:new n(e,"hex");f._peerIdHex=f._peerId.toString("hex");f._peerIdBinary=f._peerId.toString("binary");f._infoHash=n.isBuffer(s.infoHash)?s.infoHash:new n(s.infoHash,"hex");f._infoHashHex=f._infoHash.toString("hex");f._infoHashBinary=f._infoHash.toString("binary");f.torrentLength=s.length;f.destroyed=false;f._port=t;f._rtcConfig=o.rtcConfig;f._wrtc=o.wrtc;a("new client %s",f._infoHashHex);var c=!!f._wrtc||typeof window!=="undefined";var v=typeof s.announce==="string"?[s.announce]:s.announce==null?[]:s.announce;v=v.map(function(e){e=e.toString();if(e[e.length-1]==="/"){e=e.substring(0,e.length-1)}return e});v=u(v);f._trackers=v.map(function(e){var t=l.parse(e).protocol;if((t==="http:"||t==="https:")&&typeof p==="function"){return new p(f,e)}else if(t==="udp:"&&typeof d==="function"){return new d(f,e)}else if((t==="ws:"||t==="wss:")&&c){return new h(f,e)}else{r.nextTick(function(){var t=new Error("unsupported tracker protocol for "+e);f.emit("warning",t)})}return null}).filter(Boolean)}m.scrape=function(e,t,r){r=o(r);var i=new n("01234567890123456789");var a=6881;var s={infoHash:Array.isArray(t)?t[0]:t,announce:[e]};var f=new m(i,a,s);f.once("error",r);var u=Array.isArray(t)?t.length:1;var l={};f.on("scrape",function(e){u-=1;l[e.infoHash]=e;if(u===0){f.destroy();var t=Object.keys(l);if(t.length===1){r(null,l[t[0]])}else{r(null,l)}}});t=Array.isArray(t)?t.map(function(e){return new n(e,"hex")}):new n(t,"hex");f.scrape({infoHash:t})};m.prototype.start=function(e){var t=this;a("send `start`");e=t._defaultAnnounceOpts(e);e.event="started";t._announce(e);t._trackers.forEach(function(e){e.setInterval()})};m.prototype.stop=function(e){var t=this;a("send `stop`");e=t._defaultAnnounceOpts(e);e.event="stopped";t._announce(e)};m.prototype.complete=function(e){var t=this;a("send `complete`");if(!e)e={};if(e.downloaded==null&&t.torrentLength!=null){e.downloaded=t.torrentLength}e=t._defaultAnnounceOpts(e);e.event="completed";t._announce(e)};m.prototype.update=function(e){var t=this;a("send `update`");e=t._defaultAnnounceOpts(e);if(e.event)delete e.event;t._announce(e)};m.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})};m.prototype.scrape=function(e){var t=this;a("send `scrape`");if(!e)e={};t._trackers.forEach(function(t){t.scrape(e)})};m.prototype.setInterval=function(e){var t=this;a("setInterval %d",e);t._trackers.forEach(function(t){t.setInterval(e)})};m.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;a("destroy");var r=t._trackers.map(function(e){return function(t){e.destroy(t)}});f(r,e);t._trackers=[]};m.prototype._defaultAnnounceOpts=function(e){var t=this;if(!e)e={};if(e.numwant==null)e.numwant=c.DEFAULT_ANNOUNCE_PEERS;if(e.uploaded==null)e.uploaded=0;if(e.downloaded==null)e.downloaded=0;if(e.left==null&&t.torrentLength!=null){e.left=t.torrentLength-e.downloaded}return e}}).call(this,e("_process"),e("buffer").Buffer)},{"./lib/client/http-tracker":163,"./lib/client/udp-tracker":163,"./lib/client/websocket-tracker":31,"./lib/common":33,_process:172,buffer:164,debug:34,events:168,inherits:38,once:40,"run-parallel":100,uniq:41,url:201}],30:[function(e,t,r){t.exports=a;var n=e("events").EventEmitter;var i=e("inherits");i(a,n);function a(e,t){var r=this;n.call(r);r.client=e;r.announceUrl=t;r.interval=null;r.destroyed=false}a.prototype.setInterval=function(e){var t=this;if(t.interval)return;if(e==null)e=t.DEFAULT_ANNOUNCE_INTERVAL;clearInterval(t.interval);if(e){var r=t.announce.bind(t,t.client._defaultAnnounceOpts());t.interval=setInterval(r,e)}}},{events:168,inherits:38}],31:[function(e,t,r){t.exports=d;var n=e("debug")("bittorrent-tracker:websocket-tracker");var i=e("hat");var a=e("inherits");var s=e("simple-peer");var o=e("simple-websocket");var f=e("../common");var u=e("./tracker");var l={};var c=30*1e3;var p=5*1e3;a(d,u);function d(e,t,r){var i=this;u.call(i,e,t);n("new websocket tracker %s",t);i.peers={};i.socket=null;i.reconnecting=false;i._openSocket()}d.prototype.DEFAULT_ANNOUNCE_INTERVAL=30*1e3;d.prototype.announce=function(e){var t=this;if(t.destroyed||t.reconnecting)return;if(!t.socket.connected){return t.socket.once("connect",t.announce.bind(t,e))}var r=Math.min(e.numwant,10);t._generateOffers(r,function(n){var i={numwant:r,uploaded:e.uploaded||0,downloaded:e.downloaded,event:e.event,info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,offers:n};if(t._trackerId)i.trackerid=t._trackerId;t._send(i)})};d.prototype.scrape=function(e){var t=this;if(t.destroyed||t.reconnecting)return;t._onSocketError(new Error("scrape not supported "+t.announceUrl))};d.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;clearInterval(t.interval);l[t.announceUrl]=null;t.socket.removeListener("connect",t._onSocketConnectBound);t.socket.removeListener("data",t._onSocketDataBound);t.socket.removeListener("close",t._onSocketCloseBound);t.socket.removeListener("error",t._onSocketErrorBound);t._onSocketConnectBound=null;t._onSocketErrorBound=null;t._onSocketDataBound=null;t._onSocketCloseBound=null;t.socket.on("error",h);try{t.socket.destroy(e)}catch(r){if(e)e()}t.socket=null};d.prototype._openSocket=function(){var e=this;e.destroyed=false;e._onSocketConnectBound=e._onSocketConnect.bind(e);e._onSocketErrorBound=e._onSocketError.bind(e);e._onSocketDataBound=e._onSocketData.bind(e);e._onSocketCloseBound=e._onSocketClose.bind(e);e.socket=l[e.announceUrl];if(!e.socket){e.socket=l[e.announceUrl]=new o(e.announceUrl);e.socket.on("connect",e._onSocketConnectBound)}e.socket.on("data",e._onSocketDataBound);e.socket.on("close",e._onSocketCloseBound);e.socket.on("error",e._onSocketErrorBound)};d.prototype._onSocketConnect=function(){var e=this;if(e.destroyed)return;if(e.reconnecting){e.reconnecting=false;e.announce(e.client._defaultAnnounceOpts())}};d.prototype._onSocketData=function(e){var t=this;if(t.destroyed)return;if(!(typeof e==="object"&&e!==null)){return t.client.emit("warning",new Error("Invalid tracker response"))}if(e.info_hash!==t.client._infoHashBinary){n("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,f.binaryToHex(e.info_hash),t.client._infoHashHex);return}if(e.peer_id&&e.peer_id===t.client._peerIdBinary){return}n("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client._infoHashHex);var r=e["failure reason"];if(r)return t.client.emit("warning",new Error(r));var i=e["warning message"];if(i)t.client.emit("warning",new Error(i));var a=e.interval||e["min interval"];if(a)t.setInterval(a*1e3);var o=e["tracker id"];if(o){t._trackerId=o}if(e.complete){t.client.emit("update",{announce:t.announceUrl,complete:e.complete,incomplete:e.incomplete})}var u;if(e.offer&&e.peer_id){u=new s({trickle:false,config:t.client._rtcConfig,wrtc:t.client._wrtc});u.id=f.binaryToHex(e.peer_id);u.once("signal",function(r){var n={info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:r,offer_id:e.offer_id};if(t._trackerId)n.trackerid=t._trackerId;t._send(n)});u.signal(e.offer);t.client.emit("peer",u)}if(e.answer&&e.peer_id){u=t.peers[f.binaryToHex(e.offer_id)];if(u){u.id=f.binaryToHex(e.peer_id);u.signal(e.answer);t.client.emit("peer",u)}else{n("got unexpected answer: "+JSON.stringify(e.answer))}}};d.prototype._onSocketClose=function(){var e=this;if(e.destroyed)return;e.destroy();e._startReconnectTimer()};d.prototype._onSocketError=function(e){var t=this;if(t.destroyed)return;t.destroy();t.client.emit("warning",e);t._startReconnectTimer()};d.prototype._startReconnectTimer=function(){var e=this;var t=Math.floor(Math.random()*c)+p;e.reconnecting=true;var r=setTimeout(function(){e._openSocket()},t);if(r.unref)r.unref();n("reconnecting socket in %s ms",t)};d.prototype._send=function(e){var t=this;if(t.destroyed)return;var r=JSON.stringify(e);n("send %s",r);t.socket.send(r)};d.prototype._generateOffers=function(e,t){var r=this;var a=[];n("generating %s offers",e);for(var o=0;o<e;++o){u()}function u(){var e=i(160);var t=r.peers[e]=new s({initiator:true,trickle:false,config:r.client._rtcConfig,wrtc:r.client._wrtc});t.once("signal",function(t){a.push({offer:t,offer_id:f.hexToBinary(e)});l()})}function l(){if(a.length===e){n("generated %s offers",e);t(a)}}};function h(){}},{"../common":33,"./tracker":30,debug:34,hat:37,inherits:38,"simple-peer":109,"simple-websocket":119}],32:[function(e,t,r){(function(t){var n=e("querystring");r.IPV4_RE=/^[\d\.]+$/;r.IPV6_RE=/^[\da-fA-F:]+$/;r.CONNECTION_ID=t.concat([i(1047),i(655366528)]);r.ACTIONS={CONNECT:0,ANNOUNCE:1,SCRAPE:2,ERROR:3};r.EVENTS={update:0,completed:1,started:2,stopped:3};r.EVENT_IDS={0:"update",1:"completed",2:"started",3:"stopped"};r.EVENT_NAMES={update:"update",completed:"complete",started:"start",stopped:"stop"};function i(e){var r=new t(4);r.writeUInt32BE(e,0);return r}r.toUInt32=i;r.querystringParse=function(e){var t=n.unescape;n.unescape=unescape;var r=n.parse(e);n.unescape=t;return r};r.querystringStringify=function(e){var t=n.escape;n.escape=escape;var r=n.stringify(e);r=r.replace(/[\@\*\/\+]/g,function(e){return"%"+e.charCodeAt(0).toString(16).toUpperCase()});n.escape=t;return r}}).call(this,e("buffer").Buffer)},{buffer:164,querystring:176}],33:[function(e,t,r){(function(t){var n=e("xtend/mutable");r.DEFAULT_ANNOUNCE_PEERS=50;r.MAX_ANNOUNCE_PEERS=82;r.binaryToHex=function(e){return new t(e,"binary").toString("hex")};r.hexToBinary=function(e){return new t(e,"hex").toString("binary")};var i=e("./common-node");n(r,i)}).call(this,e("buffer").Buffer)},{"./common-node":32,buffer:164,"xtend/mutable":42}],34:[function(e,t,r){arguments[4][8][0].apply(r,arguments)},{"./debug":35,dup:8}],35:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{dup:9,ms:36}],36:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{dup:10}],37:[function(e,t,r){arguments[4][11][0].apply(r,arguments)},{dup:11}],38:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],39:[function(e,t,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],40:[function(e,t,r){var n=e("wrappy");t.exports=n(i);i.proto=i(function(){Object.defineProperty(Function.prototype,"once",{value:function(){return i(this)},configurable:true})});function i(e){var t=function(){if(t.called)return t.value;t.called=true;return t.value=e.apply(this,arguments)};t.called=false;return t}},{wrappy:39}],41:[function(e,t,r){"use strict";function n(e,t){var r=1,n=e.length,i=e[0],a=e[0];for(var s=1;s<n;++s){a=i;i=e[s];if(t(i,a)){if(s===r){r++;continue}e[r++]=i}}e.length=r;return e}function i(e){var t=1,r=e.length,n=e[0],i=e[0];for(var a=1;a<r;++a,i=n){i=n;n=e[a];if(n!==i){if(a===t){t++;continue}e[t++]=n}}e.length=t;return e}function a(e,t,r){if(e.length===0){return e}if(t){if(!r){e.sort(t)}return n(e,t)}if(!r){e.sort()}return i(e)}t.exports=a},{}],42:[function(e,t,r){t.exports=n;function n(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r){if(r.hasOwnProperty(n)){e[n]=r[n]}}}return e}},{}],43:[function(e,t,r){(function(r,n){t.exports=_;t.exports.announceList=[["udp://tracker.publicbt.com:80"],["udp://tracker.openbittorrent.com:80"],["udp://open.demonii.com:1337"],["udp://tracker.webtorrent.io:80"],["wss://tracker.webtorrent.io"]];t.exports.parseInput=b;var i=e("bencode");var a=e("block-stream2");var s=e("piece-length");var o=e("path");var f=e("dezalgo");var u=e("filestream/read");var l=e("flatten");var c=e("fs");var p=e("is-file");var d=e("junk");var h=e("multistream");var m=e("once");var v=e("run-parallel");var g=e("simple-sha1");var y=e("stream");function _(e,t,r){if(typeof t==="function"){r=t;t={}}if(!t)t={};b(e,t,function(e,n,i){if(e)return r(e);t.singleFileTorrent=i;A(n,t,r)})}function b(e,t,r){if(typeof t==="function"){r=t;t={}}if(!t)t={};r=f(r);if(Array.isArray(e)&&e.length===0)throw new Error("invalid input type");if(I(e))e=Array.prototype.slice.call(e);if(!Array.isArray(e))e=[e];if(!t.name)t.name=e[0]&&e[0].name;if(!t.name)t.name=typeof e[0]==="string"&&o.basename(e[0]);if(t.name===undefined){throw new Error("missing option 'name' and unable to infer it from input[0].name")}if(e.length===1&&!e[0].name)e[0].name=t.name;var i=e.reduce(function(e,t){return e+Number(typeof t==="string")},0);var a=e.length===1;if(e.length===1&&typeof e[0]==="string"){p(e[0],function(e,t){if(e)return r(e);a=t;s()})}else{s()}function s(){v(e.map(function(e){return function(r){var s={};if(T(e)){s.getStream=B(e);s.length=e.size}else if(n.isBuffer(e)){s.getStream=C(e);s.length=e.length}else if(L(e)){if(!t.pieceLength){throw new Error("must specify `pieceLength` option if input is Stream")}s.getStream=P(e,s);s.length=0}else if(typeof e==="string"){if(typeof c.readdir!=="function"){throw new Error("filesystem paths do not work in the browser")}var f=i>1||a;w(e,f,r);return}else{throw new Error("invalid input type")}if(!e.name)throw new Error("missing requied `name` property on input");s.path=e.name.split(o.sep);r(null,s)}}),function(e,t){if(e)return r(e);t=l(t);r(null,t,a)})}}function w(e,t,r){k(e,x,function(n,i){if(n)return r(n);if(Array.isArray(i))i=l(i);else i=[i];e=o.normalize(e);if(t){e=e.slice(0,e.lastIndexOf(o.sep)+1)}if(e[e.length-1]!==o.sep)e+=o.sep;i.forEach(function(t){t.getStream=R(t.path);t.path=t.path.replace(e,"").split(o.sep)});r(null,i)})}function x(e,t){t=m(t);c.stat(e,function(r,n){if(r)return t(r);var i={length:n.size,path:e};t(null,i)})}function k(e,t,r){c.readdir(e,function(n,i){if(n&&n.code==="ENOTDIR"){t(e,r)}else if(n){r(n)}else{v(i.filter(S).filter(d.not).map(function(r){return function(n){k(o.join(e,r),t,n)}}),r)}})}function S(e){return e[0]!=="."}function E(e,t,r){r=m(r);var i=[];var s=0;var o=e.map(function(e){return e.getStream});var f=0;var u=0;var l=false;var c=new h(o);var p=new a(t,{zeroPadding:false});c.on("error",y);c.pipe(p).on("data",d).on("end",v).on("error",y);function d(e){s+=e.length;var t=u;g(e,function(e){i[t]=e;f-=1;b()});f+=1;u+=1}function v(){l=true;b()}function y(e){_();r(e)}function _(){c.removeListener("error",y);p.removeListener("data",d);p.removeListener("end",v);p.removeListener("error",y)}function b(){if(l&&f===0){_();r(null,new n(i.join(""),"hex"),s)}}}function A(e,n,a){var o=n.announceList;if(!o){if(typeof n.announce==="string")o=[[n.announce]];else if(Array.isArray(n.announce)){o=n.announce.map(function(e){return[e]})}}if(!o)o=[];if(r.WEBTORRENT_ANNOUNCE){if(typeof r.WEBTORRENT_ANNOUNCE==="string"){o.push([[r.WEBTORRENT_ANNOUNCE]])}else if(Array.isArray(r.WEBTORRENT_ANNOUNCE)){o=o.concat(r.WEBTORRENT_ANNOUNCE.map(function(e){return[e]}))}}if(o.length===0){o=o.concat(t.exports.announceList)}if(typeof n.urlList==="string")n.urlList=[n.urlList];var f={info:{name:n.name},announce:o[0][0],"announce-list":o,"creation date":Number(n.creationDate)||Date.now(),encoding:"UTF-8"};if(n.comment!==undefined)f.comment=n.comment;if(n.createdBy!==undefined)f["created by"]=n.createdBy;if(n.private!==undefined)f.info.private=Number(n.private);if(n.sslCert!==undefined)f.info["ssl-cert"]=n.sslCert;if(n.urlList!==undefined)f["url-list"]=n.urlList;var u=n.pieceLength||s(e.reduce(U,0));f.info["piece length"]=u;E(e,u,function(t,r,s){if(t)return a(t);f.info.pieces=r;e.forEach(function(e){delete e.getStream});if(n.singleFileTorrent){f.info.length=s}else{f.info.files=e}a(null,i.encode(f))})}function U(e,t){return e+t.length}function T(e){return typeof Blob!=="undefined"&&e instanceof Blob}function I(e){return typeof FileList==="function"&&e instanceof FileList}function L(e){return typeof e==="object"&&typeof e.pipe==="function"}function B(e){return function(){return new u(e)}}function C(e){return function(){var t=new y.PassThrough;t.end(e);return t}}function R(e){return function(){return c.createReadStream(e)}}function P(e,t){return function(){var r=new y.Transform;r._transform=function(e,r,n){t.length+=e.length;this.push(e);n()};e.pipe(r);return r}}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{bencode:44,"block-stream2":48,buffer:164,dezalgo:60,"filestream/read":67,flatten:68,fs:162,"is-file":69,junk:70,multistream:71,once:74,path:171,"piece-length":75,"run-parallel":100,"simple-sha1":77,stream:190}],44:[function(e,t,r){arguments[4][3][0].apply(r,arguments)},{"./lib/decode":45,"./lib/encode":47,dup:3}],45:[function(e,t,r){arguments[4][4][0].apply(r,arguments)},{"./dict":46,buffer:164,dup:4}],46:[function(e,t,r){arguments[4][5][0].apply(r,arguments)},{dup:5}],47:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:164,dup:6}],48:[function(e,t,r){(function(r){var n=e("inherits");var i=e("readable-stream").Transform;var a=e("defined");t.exports=s;n(s,i);function s(e,t){if(!(this instanceof s))return new s(e,t);i.call(this);if(!t)t={};if(typeof e==="object"){t=e;e=t.size}this.size=e||512;if(t.nopad)this._zeroPadding=false;else this._zeroPadding=a(t.zeroPadding,true);this._buffered=[];this._bufferedBytes=0}s.prototype._transform=function(e,t,n){this._bufferedBytes+=e.length;this._buffered.push(e);while(this._bufferedBytes>=this.size){var i=r.concat(this._buffered);this._bufferedBytes-=this.size;this.push(i.slice(0,this.size));this._buffered=[i.slice(this.size,i.length)]}n()};s.prototype._flush=function(){if(this._bufferedBytes&&this._zeroPadding){var e=new r(this.size-this._bufferedBytes);e.fill(0);this._buffered.push(e);this.push(r.concat(this._buffered));this._buffered=null}else if(this._bufferedBytes){this.push(r.concat(this._buffered));this._buffered=null}this.push(null)}}).call(this,e("buffer").Buffer)},{buffer:164,defined:49,inherits:50,"readable-stream":59}],49:[function(e,t,r){t.exports=function(){for(var e=0;e<arguments.length;e++){if(arguments[e]!==undefined)return 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i=this._readableState;if(!i.readableListening){i.readableListening=true;i.emittedReadable=false;i.needReadable=true;if(!i.reading){var a=this;r.nextTick(function(){u("readable nexttick read 0");a.read(0)})}else if(i.length){_(this,i)}}}return n};c.prototype.addListener=c.prototype.on;c.prototype.resume=function(){var e=this._readableState;if(!e.flowing){u("resume");e.flowing=true;if(!e.reading){u("resume read 0");this.read(0)}S(this,e)}return this};function S(e,t){if(!t.resumeScheduled){t.resumeScheduled=true;r.nextTick(function(){E(e,t)})}}function E(e,t){t.resumeScheduled=false;e.emit("resume");A(e);if(t.flowing&&!t.reading)e.read(0)}c.prototype.pause=function(){u("call pause flowing=%j",this._readableState.flowing);if(false!==this._readableState.flowing){u("pause");this._readableState.flowing=false;this.emit("pause")}return this};function A(e){var t=e._readableState;u("flow",t.flowing);if(t.flowing){do{var r=e.read()}while(null!==r&&t.flowing)}}c.prototype.wrap=function(e){var 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i(e){if(e==null){throw new TypeError("Object.assign cannot be called with null or undefined")}return Object(e)}function a(e){var t=Object.getOwnPropertyNames(e);if(Object.getOwnPropertySymbols){t=t.concat(Object.getOwnPropertySymbols(e))}return t.filter(function(t){return n.call(e,t)})}t.exports=Object.assign||function(e,t){var r;var n;var s=i(e);for(var o=1;o<arguments.length;o++){r=arguments[o];n=a(Object(r));for(var f=0;f<n.length;f++){s[n[f]]=r[n[f]]}}return s}},{}],107:[function(e,t,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],108:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40,wrappy:107}],109:[function(e,t,r){(function(r){t.exports=c;var n=e("debug")("simple-peer");var i=e("get-browser-rtc");var a=e("hat");var s=e("inherits");var o=e("is-typedarray");var f=e("once");var u=e("stream");var l=e("typedarray-to-buffer");s(c,u.Duplex);function c(e){var t=this;if(!(t instanceof c))return new c(e);t._debug("new peer 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browser")}}t._maxBufferedAmount=e.highWaterMark;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._pendingCandidates=[];t._chunk=null;t._cb=null;t._interval=null;t._reconnectTimeout=null;t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy()},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}})}c.WEBRTC_SUPPORT=!!i();c.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};c.constraints={};c.channelConfig={};Object.defineProperty(c.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});c.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};c.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");function n(e){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e),p,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t.destroyed)return;if(t._pc.remoteDescription.type==="offer")t._createAnswer();t._pendingCandidates.forEach(n);t._pendingCandidates=[]},t._onError.bind(t))}if(e.candidate){if(t._pc.remoteDescription)n(e.candidate);else t._pendingCandidates.push(e.candidate)}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};c.prototype.send=function(e){var t=this;if(!o.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}if(r.isBuffer(e)&&!o.strict(e)){e=new Uint8Array(e)}var n=e.length||e.byteLength||e.size;t._channel.send(e);t._debug("write: %d bytes",n)};c.prototype.destroy=function(e){var t=this;t._destroy(null,e)};c.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;r._chunk=null;r._cb=null;clearInterval(r._interval);clearTimeout(r._reconnectTimeout);if(r._pc){try{r._pc.close()}catch(e){}r._pc.oniceconnectionstatechange=null;r._pc.onsignalingstatechange=null;r._pc.onicecandidate=null}if(r._channel){try{r._channel.close()}catch(e){}r._channel.onmessage=null;r._channel.onopen=null;r._channel.onclose=null}r._pc=null;r._channel=null;if(e)r.emit("error",e);r.emit("close")};c.prototype._setupData=function(e){var t=this;t._channel=e.channel;t.channelName=t._channel.label;t._channel.binaryType="arraybuffer";t._channel.onmessage=t._onChannelMessage.bind(t);t._channel.onopen=t._onChannelOpen.bind(t);t._channel.onclose=t._onChannelClose.bind(t)};c.prototype._read=function(){};c.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return r(new Error("cannot write after peer is destroyed"));if(n.connected){try{n.send(e)}catch(i){return n._onError(i)}if(n._channel.bufferedAmount>n._maxBufferedAmount){n._debug("start backpressure: bufferedAmount %d",n._channel.bufferedAmount);n._cb=r}else{r(null)}}else{n._debug("write before connect");n._chunk=e;n._cb=r}};c.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};c.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};c.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){clearTimeout(e._reconnectTimeout);e._pcReady=true;e._maybeReady()}if(r==="disconnected"){if(e.reconnectTimer){clearTimeout(e._reconnectTimeout);e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)}else{e._destroy()}}if(r==="closed"){e._destroy()}};c.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(typeof window!=="undefined"&&!!window.mozRTCPeerConnection){e._pc.getStats(null,function(e){var r=[];e.forEach(function(e){r.push(e)});t(r)},e._onError.bind(e))}else{e._pc.getStats(function(e){var r=[];e.result().forEach(function(e){var t={};e.names().forEach(function(r){t[r]=e.stat(r)});t.id=e.id;t.type=e.type;t.timestamp=e.timestamp;r.push(t)});t(r)})}function t(t){t.forEach(function(t){if(t.type==="remotecandidate"){e.remoteAddress=t.ipAddress;e.remotePort=Number(t.portNumber);e.remoteFamily="IPv4";e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(r){return e._onError(r)}e._chunk=null;e._debug('sent chunk from "write before connect"');var n=e._cb;e._cb=null;n(null)}e._interval=setInterval(function(){if(!e._cb||!e._channel||e._channel.bufferedAmount>e._maxBufferedAmount)return;e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref();e._debug("connect");e.emit("connect")}};c.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};c.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};c.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var r=e.data;t._debug("read: %d bytes",r.byteLength||r.length);if(r instanceof ArrayBuffer){r=l(new Uint8Array(r));t.push(r)}else{try{r=JSON.parse(r)}catch(n){}t.emit("data",r)}};c.prototype._onChannelOpen=function(){var e=this;if(e.connected||e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};c.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};c.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};c.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};c.prototype._debug=function(){var e=this;var t=[].slice.call(arguments);var r=e.channelName&&e.channelName.substring(0,7);t[0]="["+r+"] "+t[0];n.apply(null,t)};function p(){}}).call(this,e("buffer").Buffer)},{buffer:164,debug:110,"get-browser-rtc":113,hat:114,inherits:115,"is-typedarray":116,once:118,stream:190,"typedarray-to-buffer":131}],110:[function(e,t,r){arguments[4][8][0].apply(r,arguments)},{"./debug":111,dup:8}],111:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{dup:9,ms:112}],112:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{dup:10}],113:[function(e,t,r){t.exports=function n(){if(typeof window==="undefined")return null;var e={RTCPeerConnection:window.mozRTCPeerConnection||window.RTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.mozRTCSessionDescription||window.RTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.mozRTCIceCandidate||window.RTCIceCandidate||window.webkitRTCIceCandidate};if(!e.RTCPeerConnection)return null;return e}},{}],114:[function(e,t,r){arguments[4][11][0].apply(r,arguments)},{dup:11}],115:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],116:[function(e,t,r){arguments[4][66][0].apply(r,arguments)},{dup:66}],117:[function(e,t,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],118:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40,wrappy:117}],119:[function(e,t,r){(function(r){t.exports=l;var n=e("debug")("simple-websocket");var i=e("inherits");var a=e("is-typedarray");var s=e("stream");var o=e("typedarray-to-buffer");var f=e("ws");var u=typeof window!=="undefined"?window.WebSocket:f;i(l,s.Duplex);function l(e,t){var r=this;if(!(r instanceof l))return new l(e,t);if(!t)t={};n("new websocket: %s %o",e,t);t.allowHalfOpen=false;if(t.highWaterMark==null)t.highWaterMark=1024*1024;s.Duplex.call(r,t);r.url=e;r.connected=false;r.destroyed=false;r._maxBufferedAmount=t.highWaterMark;r._chunk=null;r._cb=null;r._interval=null;r._ws=new u(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=function(){r._onError(new Error("connection error to "+r.url))};r.on("finish",function(){if(r.connected){setTimeout(function(){r._destroy()},100)}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}l.prototype.send=function(e){var t=this;if(!a.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}var i=e.length||e.byteLength||e.size;t._ws.send(e);n("write: %d bytes",i)};l.prototype.destroy=function(e){var t=this;t._destroy(null,e)};l.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: %s)",e&&e.message);this.readable=this.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.connected=false;r.destroyed=true;clearInterval(r._interval);r._interval=null;r._chunk=null;r._cb=null;if(r._ws){var i=r._ws;var a=function(){i.onclose=null;r.emit("close")};if(i.readyState===u.CLOSED){a()}else{try{i.onclose=a;i.close()}catch(e){a()}}i.onopen=null;i.onmessage=null;i.onerror=null}r._ws=null;if(e)r.emit("error",e)};l.prototype._read=function(){};l.prototype._write=function(e,t,r){var i=this;if(i.destroyed)return r(new Error("cannot write after socket is destroyed"));if(i.connected){try{i.send(e)}catch(a){return i._onError(a)}if(typeof f!=="function"&&i._ws.bufferedAmount>i._maxBufferedAmount){n("start backpressure: bufferedAmount %d",i._ws.bufferedAmount);i._cb=r}else{r(null)}}else{n("write before connect");i._chunk=e;i._cb=r}};l.prototype._onMessage=function(e){var t=this;if(t.destroyed)return;var i=e.data;n("read: %d bytes",i.byteLength||i.length);if(i instanceof ArrayBuffer){i=o(new Uint8Array(i));t.push(i)}else if(r.isBuffer(i)){t.push(i)}else{try{i=JSON.parse(i)}catch(a){}t.emit("data",i)}};l.prototype._onOpen=function(){var e=this;if(e.connected||e.destroyed)return;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(t){return e._onError(t)}e._chunk=null;n('sent chunk from "write before connect"');var r=e._cb;e._cb=null;r(null)}if(typeof f!=="function"){e._interval=setInterval(function(){if(!e._cb||!e._ws||e._ws.bufferedAmount>e._maxBufferedAmount){return}n("ending backpressure: bufferedAmount %d",e._ws.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref()}n("connect");e.emit("connect")};l.prototype._onClose=function(){var e=this;if(e.destroyed)return;n("on close");e._destroy()};l.prototype._onError=function(e){var t=this;if(t.destroyed)return;n("error: %s",e.message||e);t._destroy(e)}}).call(this,e("buffer").Buffer)},{buffer:164,debug:120,inherits:123,"is-typedarray":124,stream:190,"typedarray-to-buffer":131,ws:163}],120:[function(e,t,r){arguments[4][8][0].apply(r,arguments)},{"./debug":121,dup:8}],121:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{dup:9,ms:122}],122:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{dup:10}],123:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],124:[function(e,t,r){arguments[4][66][0].apply(r,arguments)},{dup:66}],125:[function(e,t,r){(function(r,n){t.exports=p;var i=e("debug")("torrent-discovery");var a=e("bittorrent-dht/client");var s=e("events").EventEmitter;var o=e("xtend/mutable");var f=e("inherits");var u=e("run-parallel");var l=e("re-emitter");var c=e("bittorrent-tracker/client");f(p,s);function p(e){var t=this;if(!(t instanceof p))return new p(e);s.call(t);o(t,{announce:[],dht:typeof a==="function",rtcConfig:null,peerId:null,port:0,tracker:true,wrtc:null},e);t.infoHash=null;t.infoHashHex=null;t.torrent=null;t._externalDHT=typeof t.dht==="object";t._performedDHTLookup=false;if(!t.peerId)throw new Error("peerId required");if(!r.browser&&!t.port)throw new Error("port required");if(t.dht)t._createDHT(t.dhtPort)}p.prototype.setTorrent=function(e){var t=this;if(!t.infoHash&&n.isBuffer(e)||typeof e==="string"){t.infoHash=typeof e==="string"?new n(e,"hex"):e}else if(!t.torrent&&e&&e.infoHash){t.torrent=e;t.infoHash=typeof e.infoHash==="string"?new n(e.infoHash,"hex"):e.infoHash}else{return}t.infoHashHex=t.infoHash.toString("hex");i("setTorrent %s",t.infoHashHex);if(t.tracker&&t.tracker!==true){t.tracker.torrentLength=e.length}else{t._createTracker()}if(t.dht){if(t.dht.ready)t._dhtLookupAndAnnounce();else t.dht.on("ready",t._dhtLookupAndAnnounce.bind(t))}};p.prototype.stop=function(e){var t=this;var r=[];if(t.tracker&&t.tracker!==true){t.tracker.stop();r.push(function(e){t.tracker.destroy(e)})}if(!t._externalDHT&&t.dht&&t.dht!==true){r.push(function(e){t.dht.destroy(e)})}u(r,e)};p.prototype._createDHT=function(e){var t=this;if(!t._externalDHT)t.dht=new a;l(t.dht,t,["error","warning"]);t.dht.on("peer",function(e,r){if(r===t.infoHashHex)t.emit("peer",e)});if(!t._externalDHT)t.dht.listen(e)};p.prototype._createTracker=function(){var e=this;if(!e.tracker)return;var t=e.torrent||{infoHash:e.infoHashHex,announce:e.announce};var r={rtcConfig:e.rtcConfig,wrtc:e.wrtc};e.tracker=new c(e.peerId,e.port,t,r);l(e.tracker,e,["peer","warning","error"]);e.tracker.on("update",function(t){e.emit("trackerAnnounce",t)});e.tracker.start()};p.prototype._dhtLookupAndAnnounce=function(){var e=this;if(e._performedDHTLookup)return;e._performedDHTLookup=true;i("dht lookup");e.dht.lookup(e.infoHash,function(t){if(t||!e.port)return;i("dht announce");e.dht.announce(e.infoHash,e.port,function(){i("dht announce complete");e.emit("dhtAnnounce")})})}}).call(this,e("_process"),e("buffer").Buffer)},{_process:172,"bittorrent-dht/client":163,"bittorrent-tracker/client":29,buffer:164,debug:126,events:168,inherits:129,"re-emitter":99,"run-parallel":100,"xtend/mutable":130}],126:[function(e,t,r){arguments[4][8][0].apply(r,arguments)},{"./debug":127,dup:8}],127:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{dup:9,ms:128}],128:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{dup:10}],129:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],130:[function(e,t,r){arguments[4][42][0].apply(r,arguments)},{dup:42}],131:[function(e,t,r){arguments[4][65][0].apply(r,arguments)},{buffer:164,dup:65,"is-typedarray":132}],132:[function(e,t,r){arguments[4][66][0].apply(r,arguments)},{dup:66}],133:[function(e,t,r){(function(r){var n=e("bencode");var i=e("bitfield");var a=e("events").EventEmitter;var s=e("inherits");var o=e("simple-sha1");var f=1e7;var u=1e3;var l=16*1024;t.exports=function(e){s(t,a);function t(t){a.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new i(0,{grow:u});if(r.isBuffer(e)){this.setMetadata(e)}}t.prototype.name="ut_metadata";t.prototype.onHandshake=function(e,t,r){this._infoHash=e;this._infoHashHex=e.toString("hex")};t.prototype.onExtendedHandshake=function(e){if(!e.m||!e.m.ut_metadata){return this.emit("warning",new Error("Peer does not support ut_metadata"))}if(!e.metadata_size){return this.emit("warning",new Error("Peer does not have metadata"))}if(e.metadata_size>f){return this.emit("warning",new Error("Peer gave maliciously large metadata size"))}this._metadataSize=e.metadata_size;this._numPieces=Math.ceil(this._metadataSize/l);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var a=i.indexOf("ee")+2;t=n.decode(i.substring(0,a));r=e.slice(a)}catch(s){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,r,t.total_size);break;case 2:this._onReject(t.piece);break}};t.prototype.fetch=function(){if(this._metadataComplete){return}this._fetching=true;if(this._metadataSize){this._requestPieces()}};t.prototype.cancel=function(){this._fetching=false};t.prototype.setMetadata=function(e){if(this._metadataComplete)return true;try{var t=n.decode(e).info;if(t){e=n.encode(t)}}catch(r){}if(this._infoHashHex&&this._infoHashHex!==o.sync(e)){return false}this.cancel();this.metadata=e;this._metadataComplete=true;this._metadataSize=this.metadata.length;this._wire.extendedHandshake.metadata_size=this._metadataSize;this.emit("metadata",n.encode({info:n.decode(this.metadata)}));return true};t.prototype._send=function(e,t){var i=n.encode(e);if(r.isBuffer(t)){i=r.concat([i,t])}this._wire.extended("ut_metadata",i)};t.prototype._request=function(e){this._send({msg_type:0,piece:e})};t.prototype._data=function(e,t,r){var n={msg_type:1,piece:e};if(typeof r==="number"){n.total_size=r}this._send(n,t)};t.prototype._reject=function(e){this._send({msg_type:2,piece:e})};t.prototype._onRequest=function(e){if(!this._metadataComplete){this._reject(e);return}var t=e*l;var r=t+l;if(r>this._metadataSize){r=this._metadataSize}var n=this.metadata.slice(t,r);this._data(e,n,this._metadataSize)};t.prototype._onData=function(e,t,r){if(t.length>l){return}t.copy(this.metadata,e*l);this._bitfield.set(e);this._checkDone()};t.prototype._onReject=function(e){if(this._remainingRejects>0&&this._fetching){this._request(e);this._remainingRejects-=1}else{this.emit("warning",new Error('Peer sent "reject" too much'))}};t.prototype._requestPieces=function(){this.metadata=new r(this._metadataSize);for(var e=0;e<this._numPieces;e++){this._request(e)}};t.prototype._checkDone=function(){var e=true;for(var t=0;t<this._numPieces;t++){if(!this._bitfield.get(t)){e=false;break}}if(!e)return;var r=this.setMetadata(this.metadata);if(!r){this._failedMetadata()}};t.prototype._failedMetadata=function(){this._bitfield=new i(0,{grow:u});this._remainingRejects-=this._numPieces;if(this._remainingRejects>0){this._requestPieces()}else{this.emit("warning",new Error("Peer sent invalid metadata"))}};return t}}).call(this,e("buffer").Buffer)},{bencode:134,bitfield:138,buffer:164,events:168,inherits:139,"simple-sha1":140}],134:[function(e,t,r){arguments[4][3][0].apply(r,arguments)},{"./lib/decode":135,"./lib/encode":137,dup:3}],135:[function(e,t,r){arguments[4][4][0].apply(r,arguments)},{"./dict":136,buffer:164,dup:4}],136:[function(e,t,r){arguments[4][5][0].apply(r,arguments)},{dup:5}],137:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:164,dup:6}],138:[function(e,t,r){arguments[4][7][0].apply(r,arguments)},{buffer:164,dup:7}],139:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],140:[function(e,t,r){arguments[4][77][0].apply(r,arguments)},{dup:77,rusha:141}],141:[function(e,t,r){arguments[4][78][0].apply(r,arguments)},{dup:78}],142:[function(e,t,r){var n=e("debug")("webtorrent:append-to");var i=e("dezalgo");var a=e("./media-stream");var s=e("path");var o=e("videostream");var f=[".mp4",".m4v",".m4a"];var u=[".mp4",".m4v",".webm"];var l=[".m4a",".mp3"];var c=u.concat(l);var p=[".wav",".aac",".ogg",".oga"];var d=[".jpg",".png",".gif",".bmp"];var h=[".css",".html",".js",".md",".pdf",".txt"];var m=typeof window!=="undefined"&&window.MediaSource;t.exports=function v(e,t,r){r=i(r||function(){});var l;var v=s.extname(e.name).toLowerCase();var g=0;if(t&&(t.nodeName==="VIDEO"||t.nodeName==="AUDIO")){throw new Error("Invalid video/audio node argument. Argument must be root element that "+"video/audio tag will be appended to.")}if(c.indexOf(v)>=0)y();else if(p.indexOf(v)>=0)b();else if(d.indexOf(v)>=0)w();else if(h.indexOf(v)>=0)x();else r(new Error('Unsupported file type "'+v+'": Cannot append to DOM'));function y(){if(!m){return r(new Error("Video/audio streaming is not supported in your browser. You can still share "+"or download "+e.name+" (once it's fully downloaded). Use Chrome for "+"MediaSource support."))}var i=u.indexOf(v)>=0?"video":"audio";if(f.indexOf(v)>=0)s();else c();function s(){n("Use `videostream` package for "+e.name);y();l.addEventListener("error",d);l.addEventListener("playing",_);o(e,l)}function c(){n("Use MediaSource API for "+e.name);y();l.addEventListener("error",h);l.addEventListener("playing",_);e.createReadStream().pipe(new a(l,{extname:v}));if(g)l.currentTime=g}function p(){n("Use Blob URL for "+e.name);y();l.addEventListener("error",k);l.addEventListener("playing",_);e.getBlobURL(function(e,t){if(e)return k(e);l.src=t;if(g)l.currentTime=g})}function d(e){n("videostream error: fallback to MediaSource API: %o",e.message||e);l.removeEventListener("error",d);l.removeEventListener("playing",_);c()}function h(e){n("MediaSource API error: fallback to Blob URL: %o",e.message||e);l.removeEventListener("error",h);l.removeEventListener("playing",_);p()}function y(e){if(!l){l=document.createElement(i);l.controls=true;l.autoplay=true;l.play();l.addEventListener("progress",function(){g=l.currentTime});t.appendChild(l)}}}function _(){l.removeEventListener("playing",_);r(null,l)}function b(){l=document.createElement("audio");l.controls=true;l.autoplay=true;t.appendChild(l);e.getBlobURL(function(e,t){if(e)return k(e);l.addEventListener("error",k);l.addEventListener("playing",_);l.src=t;l.play()})}function w(){e.getBlobURL(function(n,i){if(n)return k(n);l=document.createElement("img");l.src=i;l.alt=e.name;t.appendChild(l);r(null)})}function x(){e.getBlobURL(function(e,n){if(e)return k(e);l=document.createElement("iframe");l.src=n;if(v!==".pdf")l.sandbox="allow-forms allow-scripts";t.appendChild(l);r(null)})}function k(t){if(l)l.remove();t.message='Error appending file "'+e.name+'" to DOM: '+t.message;n(t.message);if(r)r(t)}}},{"./media-stream":144,debug:202,dezalgo:205,path:171,videostream:229}],143:[function(e,t,r){t.exports=s;var n=e("debug")("webtorrent:file-stream");var i=e("inherits");var a=e("stream");i(s,a.Readable);function s(e,t){var r=this;if(!(r instanceof s))return new s(e,t);a.Readable.call(r,t);n("new filestream %s",JSON.stringify(t));if(!t)t={};if(!t.start)t.start=0;if(!t.end)t.end=e.length-1;r.destroyed=false;r.length=t.end-t.start+1;var i=t.start+e.offset;var o=t.pieceLength;r.startPiece=i/o|0;r.endPiece=(t.end+e.offset)/o|0;r._storage=e.storage;r._piece=r.startPiece;r._missing=r.length;r._reading=false;r._notifying=false;r._criticalLength=Math.min(1024*1024/o|0,2);r._offset=i-r.startPiece*o}s.prototype._read=function(){var e=this;n("_read");if(e._reading)return;e._reading=true;e.notify()};s.prototype.notify=function(){var e=this;n("notify");if(!e._reading||e._missing===0)return;if(!e._storage.bitfield.get(e._piece)){return e._storage.emit("critical",e._piece,e._piece+e._criticalLength)}if(e._notifying)return;e._notifying=true;var t=e._piece;e._storage.read(e._piece++,function(r,i){e._notifying=false;if(e.destroyed)return;if(r){e._storage.emit("error",r);return e.destroy(r)}n("read %s (length %s) (err %s)",t,i.length,r&&r.message);if(e._offset){i=i.slice(e._offset);e._offset=0}if(e._missing<i.length){i=i.slice(0,e._missing)}e._missing-=i.length;n("pushing buffer of length %s",i.length);e._reading=false;e.push(i);if(e._missing===0)e.push(null)})};s.prototype.destroy=function(){var e=this;if(e.destroyed)return;e.destroyed=true;e._storage.emit("deselect",e.startPiece,e.endPiece,true)}},{debug:202,inherits:211,stream:190}],144:[function(e,t,r){t.exports=o;var n=e("debug")("webtorrent:media-source-stream");var i=e("inherits");var a=e("stream");var s=typeof window!=="undefined"&&window.MediaSource;i(o,a.Writable);function o(e,t){var r=this;if(!(r instanceof o))return new o(e,t);a.Writable.call(r,t);if(!s)throw new Error("web browser lacks MediaSource support");if(!t)t={};n("new MediaSourceStream %s %s",e,JSON.stringify(t));r._elem=e;r._mediaSource=new s;r._sourceBuffer=null;r._cb=null;r._type=t.type||f(t.extname);if(!r._type)throw new Error("missing `opts.type` or `opts.extname` options");r._elem.src=window.URL.createObjectURL(r._mediaSource);
-r._mediaSource.addEventListener("sourceopen",function(){if(s.isTypeSupported(r._type)){r._sourceBuffer=r._mediaSource.addSourceBuffer(r._type);r._sourceBuffer.addEventListener("updateend",r._flow.bind(r));r._flow()}else{r._mediaSource.endOfStream("decode")}});r.on("finish",function(){n("finish");r._mediaSource.endOfStream()});window.vs=r}o.prototype._write=function(e,t,r){var i=this;if(!i._sourceBuffer){i._cb=function(n){if(n)return r(n);i._write(e,t,r)};return}if(i._sourceBuffer.updating){return r(new Error("Cannot append buffer while source buffer updating"))}i._sourceBuffer.appendBuffer(e);n("appendBuffer %s",e.length);i._cb=r};o.prototype._flow=function(){var e=this;n("flow");if(e._cb){e._cb(null)}};function f(e){if(!e)return null;if(e[0]!==".")e="."+e;return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[e]}},{debug:202,inherits:211,stream:190}],145:[function(e,t,r){t.exports={".aac":"audio/aac",".css":"text/css",".html":"text/html",".js":"application/javascript",".m4a":"audio/mp4",".md":"text/x-markdown",".mp3":"audio/mpeg",".mp4":"video/mp4",".oga":"audio/ogg",".ogg":"audio/ogg",".pdf":"application/pdf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm"}},{}],146:[function(e,t,r){t.exports=n;function n(e,t){var r=this;r.pieces=[];r.swarm=e;r.numPieces=t;function n(e){e.on("have",function(e){r.pieces[e]+=1});e.on("bitfield",function(){r.recalculate()});e.on("close",function(){for(var t=0;t<r.numPieces;++t){r.pieces[t]-=e.peerPieces.get(t)}})}r.swarm.wires.forEach(n);r.swarm.on("wire",function(e){r.recalculate();n(e)});r.recalculate()}n.prototype.recalculate=function(){var e=this;for(var t=0;t<e.numPieces;++t){e.pieces[t]=0}e.swarm.wires.forEach(function(t){for(var r=0;r<e.numPieces;++r){e.pieces[r]+=t.peerPieces.get(r)}})};n.prototype.getRarestPiece=function(e){var t=this;var r=[];var n=Infinity;e=e||function(){return true};for(var i=0;i<t.numPieces;++i){if(!e(i))continue;var a=t.pieces[i];if(a===n){r.push(i)}else if(a<n){r=[i];n=a}}if(r.length>0){return r[Math.random()*r.length|0]}else{return-1}}},{}],147:[function(e,t,r){t.exports=u;var n=e("debug")("webtorrent:server");var i=e("http");var a=e("mime");var s=e("pump");var o=e("range-parser");var f=e("url");function u(e,t){var r=i.createServer(t);var u=[];r.on("connection",function(e){e.setTimeout(36e6);u.push(e);e.on("close",function(){var t=u.indexOf(e);if(t>=0)u.splice(t,1)})});r.destroy=function(e){u.forEach(function(e){e.destroy()});r.close(e)};r.on("request",function(t,r){n("onRequest");if(t.method==="OPTIONS"&&t.headers["access-control-request-headers"]){r.setHeader("Access-Control-Allow-Methods","POST, GET, OPTIONS");r.setHeader("Access-Control-Allow-Headers",t.headers["access-control-request-headers"]);r.setHeader("Access-Control-Max-Age","1728000");return r.end()}if(t.headers.origin){r.setHeader("Access-Control-Allow-Origin",t.headers.origin)}var i=f.parse(t.url).pathname;if(i==="/favicon.ico")return r.end();if(e.ready)u();else e.once("ready",u);function u(){if(i==="/"){r.setHeader("Content-Type","text/html");var f=e.files.map(function(e,t){return'<li><a href="/'+t+'">'+e.name+"</a></li>"}).join("<br>");return r.end("<h1>WebTorrent</h1><ol>"+f+"</ol>")}var u=Number(i.slice(1));if(Number.isNaN(u)||u>=e.files.length){r.statusCode=404;return r.end("404 Not Found")}var l=e.files[u];r.setHeader("Accept-Ranges","bytes");r.setHeader("Content-Type",a.lookup(l.name));r.statusCode=200;r.setHeader("transferMode.dlna.org","Streaming");r.setHeader("contentFeatures.dlna.org","DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000");var c;if(t.headers.range){r.statusCode=206;c=o(l.length,t.headers.range)[0];n("range %s",JSON.stringify(c));r.setHeader("Content-Range","bytes "+c.start+"-"+c.end+"/"+l.length);r.setHeader("Content-Length",c.end-c.start+1)}else{r.setHeader("Content-Length",l.length)}if(t.method==="HEAD")r.end();s(l.createReadStream(c),r)}});return r}},{debug:202,http:191,mime:212,pump:216,"range-parser":218,url:201}],148:[function(e,t,r){(function(n,i){t.exports=r=A;var a=e("./append-to");var s=e("bitfield");var o=e("block-stream2");var f=e("debug")("webtorrent:storage");var u=e("dezalgo");var l=e("end-of-stream");var c=e("events").EventEmitter;var p=e("./file-stream");var d=e("inherits");var h=e("./mime.json");var m=e("multistream");var v=e("once");var g=e("path");var y=e("simple-sha1");var _=16*1024;var b=r.BLOCK_BLANK=0;var w=r.BLOCK_RESERVED=1;var x=r.BLOCK_WRITTEN=2;function k(){}d(S,c);function S(e,t,r,n){var i=this;c.call(i);if(!f.enabled)i.setMaxListeners(0);i.index=e;i.hash=t;i.noVerify=!!n;if(typeof r==="number"){i.buffer=null;i.length=r}else{i.buffer=r;i.length=r.length}i._reset()}S.prototype.readBlock=function(e,t,r){var n=this;r=u(r);if(!n.buffer||!n._verifyOffset(e)){return r(new Error("invalid block offset "+e))}r(null,n.buffer.slice(e,e+t))};S.prototype.writeBlock=function(e,t,r){var n=this;r=u(r);if(!n._verifyOffset(e)||!n._verifyBlock(e,t)){return r(new Error("invalid block "+e+":"+t.length))}n._lazyAllocBuffer();var i=e/_;if(n.blocks[i]===x){return r(null)}t.copy(n.buffer,e);n.blocks[i]=x;n.blocksWritten+=1;if(n.blocksWritten===n.blocks.length){n.verify()}r(null)};S.prototype.reserveBlock=function(e){var t=this;var r=t.blocks.length;for(var n=0;n<r;n++){if(t.blocks[n]&&!e||t.blocks[n]===x){continue}t.blocks[n]=w;return{offset:n*_,length:n===r-1?t.length-n*_:_}}return null};S.prototype.cancelBlock=function(e){var t=this;if(!t._verifyOffset(e)){return false}var r=e/_;if(t.blocks[r]===w){t.blocks[r]=b}return true};S.prototype._reset=function(){var e=this;e.verified=false;e.blocks=new i(Math.ceil(e.length/_));if(!n.browser)e.blocks.fill(0);e.blocksWritten=0};S.prototype.verify=function(e){var t=this;if(!e)e=t.buffer;if(t.verified||!e){return}if(t.noVerify){t.verified=true;r();return}y(e,function(e){t.verified=e===t.hash;r()});function r(){if(t.verified){t.emit("done")}else{t.emit("warning",new Error("piece "+t.index+" failed verification"));t._reset()}}};S.prototype._verifyOffset=function(e){var t=this;if(e%_===0){return true}else{t.emit("warning",new Error("invalid block offset "+e+", not multiple of "+_));return false}};S.prototype._verifyBlock=function(e,t){var r=this;if(t.length===_){return true}else if(t.length===r.length-e&&r.length-e<_){return true}else{r.emit("warning",new Error("invalid block size "+t.length));return false}};S.prototype._lazyAllocBuffer=function(){var e=this;if(!e.buffer)e.buffer=new i(e.length)};d(E,c);function E(e,t,r,n){var i=this;c.call(i);if(!f.enabled)i.setMaxListeners(0);i.storage=e;i.name=t.name;i.path=t.path;i.length=t.length;i.offset=t.offset;i.pieces=r;i.pieceLength=n;i.done=false;i._blobUrl=null;i._blobUrlPending=false;i.pieces.forEach(function(e){e.on("done",function(){i._checkDone()})});i._checkDone()}E.prototype.select=function(){var e=this;if(e.pieces.length>0){var t=e.pieces[0].index;var r=e.pieces[e.pieces.length-1].index;e.storage.emit("select",t,r,false)}};E.prototype.deselect=function(){var e=this;if(e.pieces.length>0){var t=e.pieces[0].index;var r=e.pieces[e.pieces.length-1].index;e.storage.emit("deselect",t,r,false)}};E.prototype.createReadStream=function(e){var t=this;if(!e)e={};if(e.pieceLength==null)e.pieceLength=t.pieceLength;var r=new p(t,e);t.storage.emit("select",r.startPiece,r.endPiece,true,r.notify.bind(r));l(r,function(){t.storage.emit("deselect",r.startPiece,r.endPiece,true)});return r};E.prototype.getBuffer=function(e){var t=this;e=u(v(e));var r;if(t.storage.buffer){var n=function(){r=t.storage.buffer.slice(t.offset,t.offset+t.length);e(null,r)};if(t.done)n();else t.once("done",n)}else{r=new i(t.length);var a=0;t.createReadStream().on("data",function(e){e.copy(r,a);a+=e.length}).on("end",function(){e(null,r)}).on("error",e)}};E.prototype.appendTo=function(e,t){var r=this;if(typeof window==="undefined")throw new Error("browser-only method");if(typeof e==="string")e=document.querySelector(e);a(r,e,t)};E.prototype.getBlobURL=function(e){var t=this;if(typeof window==="undefined")throw new Error("browser-only method");e=u(e);if(t._blobUrl)return e(null,t._blobUrl);if(t._blobUrlPending)return t.once("_blobUrl",e);t._blobUrlPending=true;t.getBuffer(function(r,n){t._blobUrlPending=false;if(r){e(r);t.emit("_blobUrl",r);return}var i=h[g.extname(t.name).toLowerCase()];var a=i?new window.Blob([n],{type:i}):new window.Blob([n]);t._blobUrl=window.URL.createObjectURL(a);e(null,t._blobUrl);t.emit("_blobUrl",null,t._blobUrl)})};E.prototype._checkDone=function(){var e=this;e.done=e.pieces.every(function(e){return e.verified});if(e.done){n.nextTick(function(){e.emit("done")})}};d(A,c);function A(e,t){var r=this;c.call(r);if(!f.enabled)r.setMaxListeners(0);if(!t)t={};r.bitfield=new s(e.pieces.length);r.done=false;r.closed=false;r.readonly=true;if(!t.nobuffer){r.buffer=new i(e.length)}var n=r.pieceLength=e.pieceLength;var a=e.lastPieceLength;var o=e.pieces.length;r.pieces=e.pieces.map(function(e,i){var s=i*n;var f=s+(i===o-1?a:n);var u=r.buffer?r.buffer.slice(s,f):f-s;var l=new S(i,e,u,!!t.noVerify);l.on("done",r._onPieceDone.bind(r,l));return l});r.files=e.files.map(function(e){var t=e.offset;var i=t+e.length-1;var a=t/n|0;var s=i/n|0;var o=r.pieces.slice(a,s+1);var f=new E(r,e,o,n);f.on("done",r._onFileDone.bind(r,f));return f})}A.BLOCK_LENGTH=_;A.prototype.load=function(e,t){var r=this;if(!Array.isArray(e))e=[e];t=v(t||function(){});var n=0;var i=new m(e);var a=new o(r.pieceLength,{zeroPadding:false});i.on("error",f);r.once("done",u);i.pipe(a).on("data",s).on("error",f);function s(e){var t=n;n+=1;var i=0;var a=new o(_,{zeroPadding:false});a.on("data",s);a.on("end",f);function s(e){var n=i*_;i+=1;r.writeBlock(t,n,e)}function f(){u()}function u(){a.removeListener("data",s);a.removeListener("end",f)}a.end(e)}function f(e){l();t(e)}function u(){l();t(null)}function l(){i.removeListener("error",f);a.removeListener("data",s);a.removeListener("error",f);r.removeListener("done",u)}};Object.defineProperty(A.prototype,"downloaded",{get:function(){var e=this;return e.pieces.reduce(function(e,t){return e+(t.verified?t.length:t.blocksWritten*_)},0)}});Object.defineProperty(A.prototype,"numMissing",{get:function(){var e=this;var t=e.pieces.length;for(var r=0,n=e.pieces.length;r<n;r++){t-=e.bitfield.get(r)}return t}});A.prototype.readBlock=function(e,t,r,n){var i=this;n=u(n);var a=i.pieces[e];if(!a)return n(new Error("invalid piece index "+e));a.readBlock(t,r,n)};A.prototype.writeBlock=function(e,t,r,n){var i=this;if(!n)n=k;n=u(n);if(i.readonly)return n(new Error("cannot write to readonly storage"));var a=i.pieces[e];if(!a)return n(new Error("invalid piece index "+e));a.writeBlock(t,r,n)};A.prototype.read=function(e,t,r,n){var a=this;if(typeof t==="function"){n=r;r=t;t=null}r=u(r);var s=a.pieces[e];if(!s){return r(new Error("invalid piece index "+e))}if(!s.verified&&!n){return r(new Error("Storage.read called on incomplete piece "+e))}var o=0;var f=s.length;if(t){o=t.offset||0;f=t.length||f}if(s.buffer){return r(null,s.buffer.slice(o,o+f))}var l=[];function c(){if(f<=0)return r(null,i.concat(l));var t=o;var n=Math.min(_,f);o+=n;f-=n;a.readBlock(e,t,n,function(e,t){if(e)return r(e);l.push(t);c()})}c()};A.prototype.reserveBlock=function(e,t){var r=this;var n=r.pieces[e];if(!n)return null;return n.reserveBlock(t)};A.prototype.cancelBlock=function(e,t){var r=this;var n=r.pieces[e];if(!n)return false;return n.cancelBlock(t)};A.prototype.remove=function(e){if(e)u(e)(null)};A.prototype.close=function(e){var t=this;t.closed=true;if(e)u(e)(null)};A.prototype._onPieceDone=function(e){var t=this;t.bitfield.set(e.index);f("piece done "+e.index+" ("+t.numMissing+" still missing)");t.emit("piece",e)};A.prototype._onFileDone=function(e){var t=this;f("file done "+e.name);t.emit("file",e);t._checkDone()};A.prototype._checkDone=function(){var e=this;if(!e.done&&e.files.every(function(e){return e.done})){e.done=true;e.emit("done")}}}).call(this,e("_process"),e("buffer").Buffer)},{"./append-to":142,"./file-stream":143,"./mime.json":145,_process:172,bitfield:150,"block-stream2":151,buffer:164,debug:202,dezalgo:205,"end-of-stream":209,events:168,inherits:211,multistream:84,once:215,path:171,"simple-sha1":219}],149:[function(e,t,r){(function(r,n){t.exports=L;var i=e("addr-to-ip-port");var a=e("create-torrent");var s=e("debug")("webtorrent:torrent");var o=e("torrent-discovery");var f=e("events").EventEmitter;var u=e("inherits");var l=e("run-parallel");var c=e("parse-torrent");var p=e("random-iterate");var d=e("re-emitter");var h=e("bittorrent-swarm");var m=e("uniq");var v=e("ut_metadata");var g=e("ut_pex");var y=e("./rarity-map");var _=e("./server");var b=e("./storage");var w=128*1024;var x=3e4;var k=5e3;var S=3*b.BLOCK_LENGTH;var E=.5;var A=1;var U=1e4;var T=2;function I(){}u(L,f);function L(e,t){var r=this;f.call(r);if(!s.enabled)r.setMaxListeners(0);s("new torrent");r.opts=t;r.client=t.client;r.hotswapEnabled="hotswap"in t?t.hotswap:true;r.verify=t.verify;r.chokeTimeout=t.chokeTimeout||k;r.pieceTimeout=t.pieceTimeout||x;r.strategy=t.strategy||"sequential";r._rechokeNumSlots=t.uploads===false||t.uploads===0?0:+t.uploads||10;r._rechokeOptimisticWire=null;r._rechokeOptimisticTime=0;r._rechokeIntervalId=null;r.infoHash=null;r.ready=false;r.destroyed=false;r.files=[];r.metadata=null;r.parsedTorrent=null;r.storage=null;r.numBlockedPeers=0;r._amInterested=false;r._selections=[];r._critical=[];r._storageImpl=t.storage||b;this._torrentFileURL=null;r._servers=[];if(e)r._onTorrentId(e)}Object.defineProperty(L.prototype,"length",{get:function(){return this.parsedTorrent&&this.parsedTorrent.length||0}});Object.defineProperty(L.prototype,"timeRemaining",{get:function(){if(this.swarm.downloadSpeed()===0)return Infinity;else return(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3}});Object.defineProperty(L.prototype,"progress",{get:function(){return this.parsedTorrent&&this.downloaded/this.parsedTorrent.length||0}});Object.defineProperty(L.prototype,"downloaded",{get:function(){return this.storage&&this.storage.downloaded||0}});Object.defineProperty(L.prototype,"uploaded",{get:function(){return this.swarm.uploaded}});Object.defineProperty(L.prototype,"ratio",{get:function(){return this.uploaded&&this.downloaded/this.uploaded||0}});Object.defineProperty(L.prototype,"magnetURI",{get:function(){return c.toMagnetURI(this.parsedTorrent)}});Object.defineProperty(L.prototype,"torrentFile",{get:function(){return c.toTorrentFile(this.parsedTorrent)}});Object.defineProperty(L.prototype,"torrentFileURL",{get:function(){if(typeof window==="undefined")throw new Error("browser-only property");if(this._torrentFileURL)return this._torrentFileURL;this._torrentFileURL=window.URL.createObjectURL(new window.Blob([this.torrentFile],{type:"application/x-bittorrent"}));return this._torrentFileURL}});Object.defineProperty(L.prototype,"numPeers",{get:function(){return this.swarm?this.swarm.numPeers:0}});L.prototype.downloadSpeed=function(){return this.swarm?this.swarm.downloadSpeed():0};L.prototype.uploadSpeed=function(){return this.swarm?this.swarm.uploadSpeed():0};L.prototype._onTorrentId=function(e){var t=this;if(t.destroyed)return;var r=e&&e.parsedTorrent;if(r){t._onParsedTorrent(r)}else{c.remote(e,function(e,r){if(t.destroyed)return;if(e)return t._onError(e);t._onParsedTorrent(r)})}};L.prototype._onParsedTorrent=function(e){var t=this;if(t.destroyed)return;t.parsedTorrent=e;t.infoHash=e.infoHash;if(!t.infoHash){return t._onError(new Error("Malformed torrent data: Missing info hash."))}if(t.parsedTorrent.name)t.name=t.parsedTorrent.name;if(t.opts.announce){t.parsedTorrent.announce=t.parsedTorrent.announce.concat(t.opts.announce)}if(n.WEBTORRENT_ANNOUNCE){t.parsedTorrent.announce=t.parsedTorrent.announce.concat(n.WEBTORRENT_ANNOUNCE)}if(t.parsedTorrent.announce.length===0){t.parsedTorrent.announce=a.announceList.map(function(e){return e[0]})}m(t.parsedTorrent.announce);t.swarm=new h(t.infoHash,t.client.peerId,{handshake:{dht:!!t.client.dht}});t.swarm.on("error",t._onError.bind(t));t.swarm.on("wire",t._onWire.bind(t));t.swarm.on("download",function(e){t.client.downloadSpeed(e);t.client.emit("download",e);t.emit("download",e)});t.swarm.on("upload",function(e){t.client.uploadSpeed(e);t.client.emit("upload",e);t.emit("upload",e)});t.swarm.listen(t.client.torrentPort,t._onSwarmListening.bind(t));r.nextTick(function(){if(t.destroyed)return;t.emit("infoHash",t.infoHash)})};L.prototype._onSwarmListening=function(){var e=this;if(e.destroyed)return;if(e.swarm.server)e.client.torrentPort=e.swarm.address().port;e.discovery=new o({announce:e.parsedTorrent.announce,dht:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc});e.discovery.on("error",e._onError.bind(e));e.discovery.setTorrent(e.infoHash);e.discovery.on("peer",e.addPeer.bind(e));d(e.discovery,e,["trackerAnnounce","dhtAnnounce","warning"]);if(e.parsedTorrent.info)e._onMetadata(e.parsedTorrent);e.emit("listening",e.client.torrentPort)};L.prototype._onMetadata=function(e){var t=this;if(t.metadata||t.destroyed)return;s("got metadata");if(e&&e.infoHash){t.metadata=c.toTorrentFile(e);t.parsedTorrent=e}else{t.metadata=e;var n=t.parsedTorrent.announce;var i=t.parsedTorrent.urlList;try{t.parsedTorrent=c(t.metadata)}catch(a){return t._onError(a)}t.parsedTorrent.announce=n;t.parsedTorrent.urlList=i}t.name=t.parsedTorrent.name;t.discovery.setTorrent(t.parsedTorrent);if(t.parsedTorrent.urlList){t.parsedTorrent.urlList.forEach(t.addWebSeed.bind(t))}t.rarityMap=new y(t.swarm,t.parsedTorrent.pieces.length);t.storage=new t._storageImpl(t.parsedTorrent,t.opts);t.storage.on("piece",t._onStoragePiece.bind(t));t.storage.on("file",function(e){t.emit("file",e)});t._reservations=t.storage.pieces.map(function(){return[]});t.storage.on("done",function(){if(t.discovery.tracker)t.discovery.tracker.complete();s("torrent "+t.infoHash+" done");t.emit("done")});t.storage.on("select",t.select.bind(t));t.storage.on("deselect",t.deselect.bind(t));t.storage.on("critical",t.critical.bind(t));t.storage.files.forEach(function(e){t.files.push(e)});t.swarm.wires.forEach(function(e){if(e.ut_metadata)e.ut_metadata.setMetadata(t.metadata);t._onWireWithMetadata(e)});if(t.verify){r.nextTick(function(){s("verifying existing torrent data");var e=0;var r=0;l(t.storage.pieces.map(function(n){return function(i){t.storage.read(n.index,function(a,o){e+=1;t.emit("verifying",{percentDone:100*e/t.storage.pieces.length,percentVerified:100*r/t.storage.pieces.length});if(!a&&o){n.verify(o);r+=n.verified;s("piece "+(n.verified?"verified":"invalid")+" "+n.index)}i()},true)}}),t._onStorage.bind(t))})}else{r.nextTick(t._onStorage.bind(t))}r.nextTick(function(){t.emit("metadata")})};L.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;s("destroy");t.client.remove(t);if(t._rechokeIntervalId){clearInterval(t._rechokeIntervalId);t._rechokeIntervalId=null}t.files.forEach(function(e){if(e._blobURL)window.URL.revokeObjectURL(e._blobURL)});if(t._torrentFileURL)window.URL.revokeObjectURL(t._torrentFileURL);var r=[];t._servers.forEach(function(e){r.push(function(t){e.destroy(t)})});if(t.swarm)r.push(function(e){t.swarm.destroy(e)});if(t.discovery)r.push(function(e){t.discovery.stop(e)});if(t.storage)r.push(function(e){t.storage.close(e)});l(r,e)};L.prototype.addPeer=function(e){var t=this;function r(){t.swarm.addPeer(e);t.emit("peer",e)}if(typeof e==="string"&&t.client.blocked&&t.client.blocked.contains(i(e)[0])){t.numBlockedPeers+=1;t.emit("blockedPeer",e);return false}else{if(t.swarm)r();else t.once("listening",r);return true}};L.prototype.addWebSeed=function(e){var t=this;t.swarm.addWebSeed(e,t.parsedTorrent)};L.prototype.select=function(e,t,r,n){var i=this;if(e>t||e<0||t>=i.storage.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;s("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||I});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};L.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;s("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i<n._selections.length;++i){var a=n._selections[i];if(a.from===e&&a.to===t&&a.priority===r){n._selections.splice(i--,1);break}}n._updateSelections()};L.prototype.critical=function(e,t){var r=this;s("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};L.prototype._onWire=function(e,t){var r=this;s("got wire (%s)",t||"Unknown");if(t){var n=i(t);e.remoteAddress=n[0];e.remotePort=n[1]}if(e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening){e.on("port",function(t){if(!e.remoteAddress){s("ignoring port from peer with no address");return}s("port: %s (from %s)",t,e.remoteAddress+":"+e.remotePort);r.client.dht.addNode(e.remoteAddress+":"+t)});e.port(r.client.dht.address().port)}e.on("timeout",function(){s("wire timeout (%s)",t);e.destroy()});e.setTimeout(r.pieceTimeout,true);e.setKeepAlive(true);e.use(v(r.metadata));if(!r.metadata){e.ut_metadata.on("metadata",function(e){s("got metadata via ut_metadata");r._onMetadata(e)});e.ut_metadata.fetch()}if(typeof g==="function"){e.use(g());e.ut_pex.on("peer",function(e){s("ut_pex: got peer: %s (from %s)",e,t);r.addPeer(e)});e.ut_pex.on("dropped",function(e){var n=r.swarm._peers[e];if(n&&!n.connected){s("ut_pex: dropped peer: %s (from %s)",e,t);r.swarm.removePeer(e)}})}r.emit("wire",e,t);if(r.metadata){r._onWireWithMetadata(e)}};L.prototype._onWireWithMetadata=function(e){var t=this;var r=null;var n=t.chokeTimeout;function i(){if(t.destroyed||e.destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(i,n);if(r.unref)r.unref()}}var a=0;function o(){if(e.peerPieces.length!==t.storage.pieces.length)return;for(;a<t.storage.pieces.length;++a){if(!e.peerPieces.get(a))return}e.isSeeder=true;e.choke()}e.on("bitfield",function(){o();t._update()});e.on("have",function(){o();t._update()});e.once("interested",function(){e.unchoke()});e.on("close",function(){clearTimeout(r)});e.on("choke",function(){clearTimeout(r);r=setTimeout(i,n);if(r.unref)r.unref()});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,i,a){if(i>w){s("got invalid block size request %s (from %s)",i,e.remoteAddress+":"+e.remotePort);return e.destroy()}t.storage.readBlock(r,n,i,a)});e.bitfield(t.storage.bitfield);e.interested();r=setTimeout(i,n);if(r.unref)r.unref();e.isSeeder=false;o()};L.prototype._onStorage=function(){var e=this;if(e.destroyed)return;s("on storage");e.storage.readonly=false;e.select(0,e.storage.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),U);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();r.nextTick(function(){e.ready=true;e.emit("ready")})};L.prototype._onStoragePiece=function(e){var t=this;s("piece done %s",e.index);t._reservations[e.index]=null;t.swarm.wires.forEach(function(t){t.have(e.index)});t._gcSelections()};L.prototype._updateSelections=function(){var e=this;if(!e.swarm||e.destroyed)return;if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));r.nextTick(e._gcSelections.bind(e));e._updateInterest();e._update()};L.prototype._gcSelections=function(){var e=this;for(var t=0;t<e._selections.length;t++){var r=e._selections[t];var n=r.offset;while(e.storage.bitfield.get(r.from+r.offset)&&r.from+r.offset<r.to){r.offset++}if(n!==r.offset)r.notify();if(r.to!==r.from+r.offset)continue;if(!e.storage.bitfield.get(r.from+r.offset))continue;e._selections.splice(t--,1);r.notify();e._updateInterest()}if(!e._selections.length)e.emit("idle")};L.prototype._updateInterest=function(){var e=this;var t=e._amInterested;e._amInterested=!!e._selections.length;e.swarm.wires.forEach(function(t){if(e._amInterested)t.interested();else t.uninterested()});if(t===e._amInterested)return;if(e._amInterested)e.emit("interested");else e.emit("uninterested")};L.prototype._update=function(){var e=this;if(e.destroyed)return;var t=p(e.swarm.wires);var r;while(r=t()){e._updateWire(r)}};L.prototype._updateWire=function(e){var t=this;if(e.peerChoking)return;if(!e.downloaded)return a();var r=B(e,E);if(e.requests.length>=r)return;var n=B(e,A);f(false)||f(true);function i(t,r,n,i){return function(a){return a>=t&&a<=r&&!(a in n)&&e.peerPieces.get(a)&&(!i||i(a))}}function a(){if(e.requests.length)return;for(var r=t._selections.length;r--;){var n=t._selections[r];var a;if(t.strategy==="rarest"){var s=n.from+n.offset;var o=n.to;var f=o-s+1;var u={};var l=0;var c=i(s,o,u);while(l<f){a=t.rarityMap.getRarestPiece(c);if(a<0)break;if(t._request(e,a,false))return;u[a]=true;l+=1}}else{for(a=n.to;a>=n.from+n.offset;--a){if(!e.peerPieces.get(a))continue;if(t._request(e,a,false))return}}}}function s(){var r=e.downloadSpeed()||1;if(r>S)return function(){return true};var n=Math.max(1,e.requests.length)*b.BLOCK_LENGTH/r;var i=10;var a=0;return function(e){if(!i||t.storage.bitfield.get(e))return true;var s=t.storage.pieces[e];var o=s.blocks.length-s.blocksWritten;for(;a<t.swarm.wires.length;a++){var f=t.swarm.wires[a];var u=f.downloadSpeed();if(u<S)continue;if(u<=r)continue;if(!f.peerPieces.get(e))continue;if((o-=u*n)>0)continue;i--;return false}return true}}function o(e){var r=e;for(var n=e;n<t._selections.length&&t._selections[n].priority;n++){r=n}var i=t._selections[e];t._selections[e]=t._selections[r];t._selections[r]=i}function f(r){if(e.requests.length>=n)return true;var a=s();for(var f=0;f<t._selections.length;f++){var u=t._selections[f];var l;if(t.strategy==="rarest"){var c=u.from+u.offset;var p=u.to;var d=p-c+1;var h={};var m=0;var v=i(c,p,h,a);while(m<d){l=t.rarityMap.getRarestPiece(v);if(l<0)break;while(t._request(e,l,t._critical[l]||r)){}if(e.requests.length<n){h[l]=true;m++;continue}if(u.priority)o(f);return true}}else{for(l=u.from+u.offset;l<=u.to;l++){if(!e.peerPieces.get(l)||!a(l))continue;while(t._request(e,l,t._critical[l]||r)){}if(e.requests.length<n)continue;if(u.priority)o(f);return true}}}return false}};L.prototype._rechoke=function(){var e=this;if(e._rechokeOptimisticTime>0)e._rechokeOptimisticTime-=1;else e._rechokeOptimisticWire=null;var t=[];e.swarm.wires.forEach(function(r){if(!r.isSeeder&&r!==e._rechokeOptimisticWire){t.push({wire:r,downloadSpeed:r.downloadSpeed(),uploadSpeed:r.uploadSpeed(),salt:Math.random(),isChoked:true})}});t.sort(s);var r=0;var n=0;for(;n<t.length&&r<e._rechokeNumSlots;++n){t[n].isChoked=false;if(t[n].wire.peerInterested)r+=1}if(!e._rechokeOptimisticWire&&n<t.length&&e._rechokeNumSlots){var i=t.slice(n).filter(function(e){return e.wire.peerInterested});var a=i[C(i.length)];if(a){a.isChoked=false;e._rechokeOptimisticWire=a.wire;e._rechokeOptimisticTime=T}}t.forEach(function(e){if(e.wire.amChoking!==e.isChoked){if(e.isChoked)e.wire.choke();else e.wire.unchoke()}});function s(e,t){if(e.downloadSpeed!==t.downloadSpeed){return t.downloadSpeed-e.downloadSpeed}if(e.uploadSpeed!==t.uploadSpeed){return t.uploadSpeed-e.uploadSpeed}if(e.wire.amChoking!==t.wire.amChoking){return e.wire.amChoking?1:-1}return e.salt-t.salt}};L.prototype._hotswap=function(e,t){var r=this;if(!r.hotswapEnabled)return false;var n=e.downloadSpeed();if(n<b.BLOCK_LENGTH)return false;if(!r._reservations[t])return false;var i=r._reservations[t];if(!i){return false}var a=Infinity;var s;var o;for(o=0;o<i.length;o++){var f=i[o];if(!f||f===e)continue;var u=f.downloadSpeed();if(u>=S)continue;if(2*u>n||u>a)continue;s=f;a=u}if(!s)return false;for(o=0;o<i.length;o++){if(i[o]===s)i[o]=null}for(o=0;o<s.requests.length;o++){var l=s.requests[o];if(l.piece!==t)continue;r.storage.cancelBlock(t,l.offset)}r.emit("hotswap",s,e,t);return true};L.prototype._request=function(e,t,n){var i=this;var a=e.requests.length;if(i.storage.bitfield.get(t))return false;var o=B(e,A);if(a>=o)return false;var f=e.requests.length===0&&i.storage.numMissing<30;var u=i.storage.reserveBlock(t,f);if(!u&&!f&&n&&i._hotswap(e,t)){u=i.storage.reserveBlock(t,false)}if(!u)return false;var l=i._reservations[t];if(!l){l=i._reservations[t]=[]}var c=l.indexOf(null);if(c===-1)c=l.length;l[c]=e;function p(n,a){if(!i.ready){i.once("ready",function(){p(n,a)});return}if(l[c]===e)l[c]=null;if(n){s("error getting piece %s (offset: %s length: %s) from %s: %s",t,u.offset,u.length,e.remoteAddress+":"+e.remotePort,n.message);i.storage.cancelBlock(t,u.offset);r.nextTick(i._update.bind(i));return false}else{s("got piece %s (offset: %s length: %s) from %s",t,u.offset,u.length,e.remoteAddress+":"+e.remotePort);i.storage.writeBlock(t,u.offset,a,function(e){if(e){s("error writing block");i.storage.cancelBlock(t,u.offset)}r.nextTick(i._update.bind(i))})}}e.request(t,u.offset,u.length,p);return true};L.prototype.createServer=function(e){var t=this;if(typeof _==="function"){var r=new _(t,e);t._servers.push(r);return r}};L.prototype._onError=function(e){var t=this;s("torrent error: %s",e.message||e);t.emit("error",e);t.destroy()};function B(e,t){return Math.ceil(2+t*e.downloadSpeed()/b.BLOCK_LENGTH)}function C(e){return Math.random()*e|0}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof 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l(i,s,o,function(e){if(!r)r=e;if(e)n.forEach(c);if(s)return;n.forEach(c);t(r)})});return e.reduce(p)};t.exports=d},{"end-of-stream":209,fs:162,once:215}],217:[function(e,t,r){var n=function(e){var t=0;return function(){if(t===e.length)return null;var r=e.length-t;var n=Math.random()*r|0;var i=e[t+n];var a=e[t];e[t]=i;e[t+n]=a;t++;return i}};t.exports=n},{}],218:[function(e,t,r){t.exports=function(e,t){var r=true;var n=t.indexOf("=");if(-1==n)return-2;var i=t.slice(n+1).split(",").map(function(t){var t=t.split("-"),n=parseInt(t[0],10),i=parseInt(t[1],10);if(isNaN(n)){n=e-i;i=e-1}else if(isNaN(i)){i=e-1}if(i>e-1)i=e-1;if(isNaN(n)||isNaN(i)||n>i||n<0)r=false;return{start:n,end:i}});i.type=t.slice(0,n);return r?i:-1}},{}],219:[function(e,t,r){arguments[4][77][0].apply(r,arguments)},{dup:77,rusha:220}],220:[function(e,t,r){arguments[4][78][0].apply(r,arguments)},{dup:78}],221:[function(e,t,r){arguments[4][13][0].apply(r,arguments)},{dup:13}],222:[function(e,t,r){arguments[4][41][0].apply(r,arguments)},{dup:41}],223:[function(e,t,r){var n=function(e,t,r){this._byteOffset=t||0;if(e instanceof ArrayBuffer){this.buffer=e}else if(typeof e=="object"){this.dataView=e;if(t){this._byteOffset+=t}}else{this.buffer=new ArrayBuffer(e||0)}this.position=0;this.endianness=r==null?n.LITTLE_ENDIAN:r};t.exports=n;n.prototype={};n.prototype.save=function(e){var t=new Blob([this.buffer]);var r=window.webkitURL||window.URL;if(r&&r.createObjectURL){var n=r.createObjectURL(t);var i=document.createElement("a");i.setAttribute("href",n);i.setAttribute("download",e);i.click();r.revokeObjectURL(n)}else{throw"DataStream.save: Can't create object URL."}};n.BIG_ENDIAN=false;n.LITTLE_ENDIAN=true;n.prototype._dynamicSize=true;Object.defineProperty(n.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){if(!e){this._trimAlloc()}this._dynamicSize=e}});n.prototype._byteLength=0;Object.defineProperty(n.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}});Object.defineProperty(n.prototype,"buffer",{get:function(){this._trimAlloc();return this._buffer},set:function(e){this._buffer=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(n.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(n.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset;this._buffer=e.buffer;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._byteOffset+e.byteLength}});n.prototype._realloc=function(e){if(!this._dynamicSize){return}var t=this._byteOffset+this.position+e;var r=this._buffer.byteLength;if(t<=r){if(t>this._byteLength){this._byteLength=t}return}if(r<1){r=1}while(t>r){r*=2}var n=new ArrayBuffer(r);var i=new Uint8Array(this._buffer);var a=new Uint8Array(n,0,i.length);a.set(i);this.buffer=n;this._byteLength=t};n.prototype._trimAlloc=function(){if(this._byteLength==this._buffer.byteLength){return}var e=new ArrayBuffer(this._byteLength);var t=new Uint8Array(e);var r=new Uint8Array(this._buffer,0,t.length);t.set(r);this.buffer=e};n.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e);var r=new Uint8Array(t);var n=new Uint8Array(this._buffer,e,r.length);r.set(n);this.buffer=t;this.position-=e};n.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t};n.prototype.isEof=function(){return this.position>=this._byteLength};n.prototype.mapInt32Array=function(e,t){this._realloc(e*4);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.mapInt16Array=function(e,t){this._realloc(e*2);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};n.prototype.mapInt8Array=function(e){this._realloc(e*1);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};n.prototype.mapUint32Array=function(e,t){this._realloc(e*4);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.mapUint16Array=function(e,t){this._realloc(e*2);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};n.prototype.mapUint8Array=function(e){this._realloc(e*1);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};n.prototype.mapFloat64Array=function(e,t){this._realloc(e*8);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*8;return r};n.prototype.mapFloat32Array=function(e,t){this._realloc(e*4);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.readInt32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Int32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readInt16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Int16Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readInt8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Int8Array(e);n.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};n.prototype.readUint32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Uint32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readUint16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Uint16Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readUint8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Uint8Array(e);n.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};n.prototype.readFloat64Array=function(e,t){e=e==null?this.byteLength-this.position/8:e;var r=new Float64Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readFloat32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Float32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.writeInt32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeInt32(e[r],t)}}};n.prototype.writeInt16Array=function(e,t){this._realloc(e.length*2);if(e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt16Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeInt16(e[r],t)}}};n.prototype.writeInt8Array=function(e){this._realloc(e.length*1);if(e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt8Array(e.length)}else{for(var t=0;t<e.length;t++){this.writeInt8(e[t])}}};n.prototype.writeUint32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeUint32(e[r],t)}}};n.prototype.writeUint16Array=function(e,t){this._realloc(e.length*2);if(e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint16Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeUint16(e[r],t)}}};n.prototype.writeUint8Array=function(e){this._realloc(e.length*1);if(e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint8Array(e.length)}else{for(var t=0;t<e.length;t++){this.writeUint8(e[t])}}};n.prototype.writeFloat64Array=function(e,t){this._realloc(e.length*8);if(e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapFloat64Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeFloat64(e[r],t)}}};n.prototype.writeFloat32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapFloat32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeFloat32(e[r],t)}}};n.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,e==null?this.endianness:e);this.position+=4;return t};n.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,e==null?this.endianness:e);this.position+=2;return t};n.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);this.position+=1;return e};n.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,e==null?this.endianness:e);this.position+=4;return t};n.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,e==null?this.endianness:e);this.position+=2;return t};n.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);this.position+=1;return e};n.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,e==null?this.endianness:e);this.position+=4;return t};n.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,e==null?this.endianness:e);this.position+=8;return t};n.prototype.writeInt32=function(e,t){this._realloc(4);this._dataView.setInt32(this.position,e,t==null?this.endianness:t);this.position+=4};n.prototype.writeInt16=function(e,t){this._realloc(2);this._dataView.setInt16(this.position,e,t==null?this.endianness:t);this.position+=2};n.prototype.writeInt8=function(e){this._realloc(1);this._dataView.setInt8(this.position,e);this.position+=1};n.prototype.writeUint32=function(e,t){this._realloc(4);this._dataView.setUint32(this.position,e,t==null?this.endianness:t);this.position+=4};n.prototype.writeUint16=function(e,t){this._realloc(2);this._dataView.setUint16(this.position,e,t==null?this.endianness:t);this.position+=2};n.prototype.writeUint8=function(e){this._realloc(1);this._dataView.setUint8(this.position,e);this.position+=1};n.prototype.writeFloat32=function(e,t){this._realloc(4);this._dataView.setFloat32(this.position,e,t==null?this.endianness:t);this.position+=4};n.prototype.writeFloat64=function(e,t){this._realloc(8);this._dataView.setFloat64(this.position,e,t==null?this.endianness:t);this.position+=8};n.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0;n.memcpy=function(e,t,r,n,i){var a=new Uint8Array(e,t,i);var s=new Uint8Array(r,n,i);a.set(s)};n.arrayToNative=function(e,t){if(t==this.endianness){return e}else{return this.flipArrayEndianness(e)}};n.nativeToEndian=function(e,t){if(this.endianness==t){return e}else{return this.flipArrayEndianness(e)}};n.flipArrayEndianness=function(e){var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength);for(var r=0;r<e.byteLength;r+=e.BYTES_PER_ELEMENT){for(var n=r+e.BYTES_PER_ELEMENT-1,i=r;n>i;n--,i++){var a=t[i];t[i]=t[n];t[n]=a}}return e};n.prototype.failurePosition=0;n.prototype.readStruct=function(e){var t={},r,n,i;var a=this.position;for(var s=0;s<e.length;s+=2){r=e[s+1];n=this.readType(r,t);if(n==null){if(this.failurePosition===0){this.failurePosition=this.position}this.position=a;return null}t[e[s]]=n}return t};n.prototype.readUCS2String=function(e,t){return String.fromCharCode.apply(null,this.readUint16Array(e,t))};n.prototype.writeUCS2String=function(e,t,r){if(r==null){r=e.length}for(var n=0;n<e.length&&n<r;n++){this.writeUint16(e.charCodeAt(n),t)}for(;n<r;n++){this.writeUint16(0)}};n.prototype.readString=function(e,t){if(t==null||t=="ASCII"){return String.fromCharCode.apply(null,this.mapUint8Array(e==null?this.byteLength-this.position:e))}else{return new TextDecoder(t).decode(this.mapUint8Array(e))}};n.prototype.writeString=function(e,t,r){var n=0;if(t==null||t=="ASCII"){if(r!=null){var i=Math.min(e.length,r);for(n=0;n<i;n++){this.writeUint8(e.charCodeAt(n))}for(;n<r;n++){this.writeUint8(0)}}else{for(n=0;n<e.length;n++){this.writeUint8(e.charCodeAt(n))}}}else{this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,r)))}};n.prototype.readCString=function(e){var t=this.byteLength-this.position;var r=new Uint8Array(this._buffer,this._byteOffset+this.position);var n=t;if(e!=null){n=Math.min(e,t)}for(var i=0;i<n&&r[i]!==0;i++);var a=String.fromCharCode.apply(null,this.mapUint8Array(i));if(e!=null){this.position+=n-i}else if(i!=t){this.position+=1}return a};n.prototype.writeCString=function(e,t){var r=0;if(t!=null){var n=Math.min(e.length,t);for(r=0;r<n;r++){this.writeUint8(e.charCodeAt(r))}for(;r<t;r++){this.writeUint8(0)}}else{for(r=0;r<e.length;r++){this.writeUint8(e.charCodeAt(r))}this.writeUint8(0)}};n.prototype.readType=function(e,t){if(typeof e=="function"){return e(this,t)}else if(typeof e=="object"&&!(e instanceof Array)){return e.get(this,t)}else if(e instanceof Array&&e.length!=3){return this.readStruct(e,t)}var r=null;var i=null;var a="ASCII";var s=this.position;var o;var f;var u;if(typeof e=="string"&&/:/.test(e)){o=e.split(":");e=o[0];i=parseInt(o[1])}if(typeof e=="string"&&/,/.test(e)){o=e.split(",");e=o[0];a=parseInt(o[1])}switch(e){case"uint8":r=this.readUint8();break;case"int8":r=this.readInt8();break;case"uint16":r=this.readUint16(this.endianness);break;case"int16":r=this.readInt16(this.endianness);break;case"uint32":r=this.readUint32(this.endianness);break;case"int32":r=this.readInt32(this.endianness);break;case"float32":r=this.readFloat32(this.endianness);break;case"float64":r=this.readFloat64(this.endianness);break;case"uint16be":r=this.readUint16(n.BIG_ENDIAN);break;case"int16be":r=this.readInt16(n.BIG_ENDIAN);break;case"uint32be":r=this.readUint32(n.BIG_ENDIAN);break;case"int32be":r=this.readInt32(n.BIG_ENDIAN);break;case"float32be":r=this.readFloat32(n.BIG_ENDIAN);break;case"float64be":r=this.readFloat64(n.BIG_ENDIAN);break;case"uint16le":r=this.readUint16(n.LITTLE_ENDIAN);break;case"int16le":r=this.readInt16(n.LITTLE_ENDIAN);break;case"uint32le":r=this.readUint32(n.LITTLE_ENDIAN);break;case"int32le":r=this.readInt32(n.LITTLE_ENDIAN);break;case"float32le":r=this.readFloat32(n.LITTLE_ENDIAN);break;case"float64le":r=this.readFloat64(n.LITTLE_ENDIAN);break;case"cstring":r=this.readCString(i);break;case"string":r=this.readString(i,a);break;case"u16string":r=this.readUCS2String(i,this.endianness);break;case"u16stringle":r=this.readUCS2String(i,n.LITTLE_ENDIAN);break;case"u16stringbe":r=this.readUCS2String(i,n.BIG_ENDIAN);break;default:if(e.length==3){var l=e[1];var c=e[2];var p=0;if(typeof c=="function"){p=c(t,this,e)}else if(typeof c=="string"&&t[c]!=null){p=parseInt(t[c])}else{p=parseInt(c)}if(typeof l=="string"){var d=l.replace(/(le|be)$/,"");var h=null;if(/le$/.test(l)){h=n.LITTLE_ENDIAN}else if(/be$/.test(l)){h=n.BIG_ENDIAN}if(c=="*"){p=null}switch(d){case"uint8":r=this.readUint8Array(p);break;case"uint16":r=this.readUint16Array(p,h);break;case"uint32":r=this.readUint32Array(p,h);break;case"int8":r=this.readInt8Array(p);break;case"int16":r=this.readInt16Array(p,h);break;case"int32":r=this.readInt32Array(p,h);break;case"float32":r=this.readFloat32Array(p,h);break;case"float64":r=this.readFloat64Array(p,h);break;case"cstring":case"utf16string":case"string":if(p==null){r=[];while(!this.isEof()){u=this.readType(l,t);if(u==null)break;r.push(u)}}else{r=new Array(p);for(f=0;f<p;f++){r[f]=this.readType(l,t)}}break}}else{if(c=="*"){r=[];var m=this.buffer;while(true){var v=this.position;try{var g=this.readType(l,t);if(g==null){this.position=v;break}r.push(g)}catch(y){this.position=v;break}}}else{r=new Array(p);for(f=0;f<p;f++){u=this.readType(l,t);if(u==null)return null;r[f]=u}}}break}}if(i!=null){this.position=s+i}return r};n.prototype.writeStruct=function(e,t){for(var r=0;r<e.length;r+=2){var n=e[r+1];this.writeType(n,t[e[r]],t)}};n.prototype.writeType=function(e,t,r){var i;if(typeof e=="function"){return e(this,t)}else if(typeof e=="object"&&!(e instanceof Array)){return e.set(this,t,r)}var a=null;var s="ASCII";var o=this.position;if(typeof e=="string"&&/:/.test(e)){i=e.split(":");e=i[0];a=parseInt(i[1])}if(typeof e=="string"&&/,/.test(e)){i=e.split(",");e=i[0];s=parseInt(i[1])}switch(e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,n.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,n.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,n.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,n.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,n.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,n.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,n.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,n.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,n.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,n.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,n.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,n.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,a);break;case"string":this.writeString(t,s,a);break;case"u16string":this.writeUCS2String(t,this.endianness,a);break;case"u16stringle":this.writeUCS2String(t,n.LITTLE_ENDIAN,a);break;case"u16stringbe":this.writeUCS2String(t,n.BIG_ENDIAN,a);break;default:if(e.length==3){var f=e[1];for(var u=0;u<t.length;u++){this.writeType(f,t[u])}break}else{this.writeStruct(e,t);break}}if(a!=null){this.position=o;this._realloc(a);this.position=o+a}};var i=Math.pow(2,32);r.MAX_SIZE=i;n.prototype.readUint64=function(){return this.readUint32()*i+this.readUint32()};n.prototype.writeUint64=function(e){var t=Math.floor(e/i);this.writeUint32(t);this.writeUint32(e&4294967295)};n.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()};n.prototype.writeUint24=function(e){this.writeUint8((e&16711680)>>16);this.writeUint8((e&65280)>>8);this.writeUint8(e&255)};n.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e);this.writeUint32(t);this.seek(r)}},{}],224:[function(e,t,r){var n=e("./DataStream");var a=e("./descriptor");var s=e("./log");var o={ERR_NOT_ENOUGH_DATA:0,OK:1,boxCodes:["mdat","avcC","hvcC","ftyp","payl","vmhd","smhd","hmhd","dref","elst"],fullBoxCodes:["mvhd","tkhd","mdhd","hdlr","smhd","hmhd","nhmd","url ","urn ","ctts","cslg","stco","co64","stsc","stss","stsz","stz2","stts","stsh","mehd","trex","mfhd","tfhd","trun","tfdt","esds","subs","txtC"],containerBoxCodes:[["moov",["trak"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl"],["mvex",["trex"]],["moof",["traf"]],["traf",["trun"]],["vttc"],["tref"]],sampleEntryCodes:[{prefix:"Visual",types:["mp4v","avc1","avc2","avc3","avc4","avcp","drac","encv","mjp2","mvc1","mvc2","resv","s263","svc1","vc-1","hvc1","hev1"]
-},{prefix:"Audio",types:["mp4a","ac-3","alac","dra1","dtsc","dtse",,"dtsh","dtsl","ec-3","enca","g719","g726","m4ae","mlpa","raw ","samr","sawb","sawp","sevc","sqcp","ssmv","twos"]},{prefix:"Hint",types:["fdp ","m2ts","pm2t","prtp","rm2t","rrtp","rsrp","rtp ","sm2t","srtp"]},{prefix:"Metadata",types:["metx","mett","urim"]},{prefix:"Subtitle",types:["stpp","wvtt","sbtt","tx3g","stxt"]}],trackReferenceTypes:["scal"],initialize:function(){var e,t;var r;o.FullBox.prototype=new o.Box;o.ContainerBox.prototype=new o.Box;o.stsdBox.prototype=new o.FullBox;o.SampleEntry.prototype=new o.FullBox;o.TrackReferenceTypeBox.prototype=new o.Box;r=o.boxCodes.length;for(e=0;e<r;e++){o[o.boxCodes[e]+"Box"]=function(e){return function(t){o.Box.call(this,o.boxCodes[e],t)}}(e);o[o.boxCodes[e]+"Box"].prototype=new o.Box}r=o.fullBoxCodes.length;for(e=0;e<r;e++){o[o.fullBoxCodes[e]+"Box"]=function(e){return function(t){o.FullBox.call(this,o.fullBoxCodes[e],t)}}(e);o[o.fullBoxCodes[e]+"Box"].prototype=new o.FullBox}r=o.containerBoxCodes.length;for(e=0;e<r;e++){o[o.containerBoxCodes[e][0]+"Box"]=function(e,t){return function(r){o.ContainerBox.call(this,o.containerBoxCodes[e][0],r);if(t){this.subBoxNames=t;var n=t.length;for(var i=0;i<n;i++){this[t[i]+"s"]=[]}}}}(e,o.containerBoxCodes[e][1]);o[o.containerBoxCodes[e][0]+"Box"].prototype=new o.ContainerBox}r=o.sampleEntryCodes.length;for(t=0;t<r;t++){var n=o.sampleEntryCodes[t].prefix;var i=o.sampleEntryCodes[t].types;var a=i.length;o[n+"SampleEntry"]=function(e,t){o.SampleEntry.call(this,e,t)};o[n+"SampleEntry"].prototype=new o.SampleEntry;for(e=0;e<a;e++){o[i[e]+"Box"]=function(e,t){return function(r){o[o.sampleEntryCodes[e].prefix+"SampleEntry"].call(this,o.sampleEntryCodes[e].types[t],r)}}(t,e);o[i[e]+"Box"].prototype=new o[n+"SampleEntry"]}}r=o.trackReferenceTypes.length;for(e=0;e<r;e++){o[o.trackReferenceTypes[e]+"Box"]=function(e){return function(t){o.TrackReferenceTypeBox.call(this,o.trackReferenceTypes[e],t)}}(e);o[o.trackReferenceTypes[e]+"Box"].prototype=new o.Box}},Box:function(e,t){this.type=e;this.size=t},FullBox:function(e,t){o.Box.call(this,e,t);this.flags=0;this.version=0},ContainerBox:function(e,t){o.Box.call(this,e,t);this.boxes=[]},SampleEntry:function(e,t){o.Box.call(this,e,t);this.boxes=[]},TrackReferenceTypeBox:function(e,t){o.Box.call(this,e,t);this.track_ids=[]},stsdBox:function(e){o.FullBox.call(this,"stsd",e);this.entries=[]},parseOneBox:function(e,t){var r;var n=e.position;var i=0;if(e.byteLength-e.position<8){s.d("BoxParser","Not enough data in stream to parse the type and size of the box");return{code:o.ERR_NOT_ENOUGH_DATA}}var a=e.readUint32();var f=e.readString(4);s.d("BoxParser","Found box of type "+f+" and size "+a+" at position "+n+" in the current buffer ("+(e.buffer.fileStart+n)+" in the file)");i=8;if(a==1){if(e.byteLength-e.position<8){e.seek(n);s.w("BoxParser",'Not enough data in stream to parse the extended size of the "'+f+'" box');return{code:o.ERR_NOT_ENOUGH_DATA}}a=e.readUint64();i+=8}else if(a===0){throw"Unlimited box size not supported"}if(n+a>e.byteLength){e.seek(n);s.w("BoxParser",'Not enough data in stream to parse the entire "'+f+'" box');return{code:o.ERR_NOT_ENOUGH_DATA,type:f,size:a,hdr_size:i}}if(o[f+"Box"]){r=new o[f+"Box"](a-i)}else{if(t){r=new o.SampleEntry(f,a-i)}else{r=new o.Box(f,a-i)}}r.hdr_size=i;r.start=n;r.fileStart=n+e.buffer.fileStart;r.parse(e);e.seek(n+a);return{code:o.OK,box:r,size:a}}};t.exports=o;o.initialize();o.Box.prototype.parse=function(e){if(this.type!="mdat"){this.data=e.readUint8Array(this.size)}else{e.seek(this.start+this.size+this.hdr_size)}};o.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8();this.flags=e.readUint24();this.size-=4};o.ContainerBox.prototype.parse=function(e){var t;var r;var n;n=e.position;while(e.position<n+this.size){t=o.parseOneBox(e);r=t.box;this.boxes.push(r);if(this.subBoxNames&&this.subBoxNames.indexOf(r.type)!=-1){this[this.subBoxNames+"s"].push(r)}else{this[r.type]=r}}};o.SampleEntry.prototype.isVideo=function(){return false};o.SampleEntry.prototype.isAudio=function(){return false};o.SampleEntry.prototype.isSubtitle=function(){return false};o.SampleEntry.prototype.isMetadata=function(){return false};o.SampleEntry.prototype.isHint=function(){return false};o.SampleEntry.prototype.getCodec=function(){return this.type};o.SampleEntry.prototype.getWidth=function(){return""};o.SampleEntry.prototype.getHeight=function(){return""};o.SampleEntry.prototype.getChannelCount=function(){return""};o.SampleEntry.prototype.getSampleRate=function(){return""};o.SampleEntry.prototype.getSampleSize=function(){return""};o.SampleEntry.prototype.parseHeader=function(e){this.start=e.position;e.readUint8Array(6);this.data_reference_index=e.readUint16()};o.SampleEntry.prototype.parse=function(e){this.parseHeader(e);e.seek(this.start+this.size)};o.SampleEntry.prototype.parseFooter=function(e){var t;var r;while(e.position<this.start+this.size){t=o.parseOneBox(e,false);r=t.box;this.boxes.push(r);this[r.type]=r}};o.VisualSampleEntry.prototype.parse=function(e){this.parseHeader(e);e.readUint16();e.readUint16();e.readUint32Array(3);this.width=e.readUint16();this.height=e.readUint16();this.horizresolution=e.readUint32();this.vertresolution=e.readUint32();e.readUint32();this.frame_count=e.readUint16();this.compressorname=e.readString(32);this.depth=e.readUint16();e.readUint16();this.parseFooter(e)};o.VisualSampleEntry.prototype.isVideo=function(){return true};o.VisualSampleEntry.prototype.getWidth=function(){return this.width};o.VisualSampleEntry.prototype.getHeight=function(){return this.height};o.AudioSampleEntry.prototype.parse=function(e){this.parseHeader(e);e.readUint32Array(2);this.channel_count=e.readUint16();this.samplesize=e.readUint16();e.readUint16();e.readUint16();this.samplerate=e.readUint32()/(1<<16);this.parseFooter(e)};o.AudioSampleEntry.prototype.isAudio=function(){return true};o.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count};o.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate};o.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize};o.SubtitleSampleEntry.prototype.parse=function(e){this.parseHeader(e);this.parseFooter(e)};o.SubtitleSampleEntry.prototype.isSubtitle=function(){return true};o.MetadataSampleEntry.prototype.parse=function(e){this.parseHeader(e);this.parseFooter(e)};o.MetadataSampleEntry.prototype.isMetadata=function(){return true};o.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint8Array(this.size)};o.metxBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.namespace=e.readCString();this.schema_location=e.readCString();this.parseFooter(e)};o.mettBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.sbttBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.stxtBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.stppBox.prototype.parse=function(e){this.parseHeader(e);this.namespace=e.readCString();this.schema_location=e.readCString();this.auxiliary_mime_types=e.readCString();this.parseFooter(e)};o.tx3gBox.prototype.parse=function(e){this.parseHeader(e);this.displayFlags=e.readUint32();this.horizontal_justification=e.readInt8();this.vertical_justification=e.readInt8();this.bg_color_rgba=e.readUint8Array(4);this.box_record=e.readInt16Array(4);this.style_record=e.readUint8Array(12);this.parseFooter(e)};o.ftypBox.prototype.parse=function(e){this.major_brand=e.readString(4);this.minor_version=e.readUint32();this.size-=8;this.compatible_brands=[];var t=0;while(this.size>=4){this.compatible_brands[t]=e.readString(4);this.size-=4;t++}};o.mvhdBox.prototype.parse=function(e){this.flags=0;this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.rate=e.readUint32();this.volume=e.readUint16()>>8;e.readUint16();e.readUint32Array(2);this.matrix=e.readUint32Array(9);e.readUint32Array(6);this.next_track_id=e.readUint32()};o.TKHD_FLAG_ENABLED=1;o.TKHD_FLAG_IN_MOVIE=2;o.TKHD_FLAG_IN_PREVIEW=4;o.tkhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint32()}e.readUint32Array(2);this.layer=e.readInt16();this.alternate_group=e.readInt16();this.volume=e.readInt16()>>8;e.readUint16();this.matrix=e.readInt32Array(9);this.width=e.readUint32();this.height=e.readUint32()};o.mdhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.language=e.readUint16();var t=[];t[0]=this.language>>10&31;t[1]=this.language>>5&31;t[2]=this.language&31;this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96);e.readUint16()};o.hdlrBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version===0){e.readUint32();this.handler=e.readString(4);e.readUint32Array(3);this.name=e.readCString()}else{this.data=e.readUint8Array(size)}};o.stsdBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);r=e.readUint32();for(i=1;i<=r;i++){t=o.parseOneBox(e,true);this.entries.push(t.box)}};o.avcCBox.prototype.parse=function(e){var t;var r;var n;this.configurationVersion=e.readUint8();this.AVCProfileIndication=e.readUint8();this.profile_compatibility=e.readUint8();this.AVCLevelIndication=e.readUint8();this.lengthSizeMinusOne=e.readUint8()&3;r=e.readUint8()&31;this.size-=6;this.SPS=new Array(r);for(t=0;t<r;t++){n=e.readUint16();this.SPS[t]=e.readUint8Array(n);this.size-=2+n}r=e.readUint8();this.size--;this.PPS=new Array(r);for(t=0;t<r;t++){n=e.readUint16();this.PPS[t]=e.readUint8Array(n);this.size-=2+n}if(this.size>0){this.ext=e.readUint8Array(this.size)}};o.hvcCBox.prototype.parse=function(e){var t;var r;var n;var i;this.configurationVersion=e.readUint8();i=e.readUint8();this.general_profile_space=i>>6;this.general_tier_flag=(i&32)>>5;this.general_profile_idc=i&31;this.general_profile_compatibility=e.readUint32();this.general_constraint_indicator=e.readUint8Array(6);this.general_level_idc=e.readUint8();this.min_spatial_segmentation_idc=e.readUint16()&4095;this.parallelismType=e.readUint8()&3;this.chromaFormat=e.readUint8()&3;this.bitDepthLumaMinus8=e.readUint8()&7;this.bitDepthChromaMinus8=e.readUint8()&7;this.avgFrameRate=e.readUint16();i=e.readUint8();this.constantFrameRate=i>>6;this.numTemporalLayers=(i&13)>>3;this.temporalIdNested=(i&4)>>2;this.lengthSizeMinusOne=i&3;this.nalu_arrays=[];numOfArrays=e.readUint8();for(t=0;t<numOfArrays;t++){var a=[];this.nalu_arrays.push(a);i=e.readUint8();a.completeness=(i&128)>>7;a.nalu_type=i&63;numNalus=e.readUint16();for(j=0;j<numNalus;j++){var s={};a.push(s);n=e.readUint16();s.data=e.readUint8Array(n)}}};function f(e,t){var r=Number(e).toString(16);t=typeof t==="undefined"||t===null?t=2:t;while(r.length<t){r="0"+r}return r}o.avc1Box.prototype.getCodec=function(){var e=o.SampleEntry.prototype.getCodec.call(this);if(this.avcC){return e+"."+f(this.avcC.AVCProfileIndication)+""+f(this.avcC.profile_compatibility)+""+f(this.avcC.AVCLevelIndication)}else{return e}};o.hvc1Box.prototype.getCodec=function(){var e;var t=o.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){t+=".";switch(this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C";break}t+=this.hvcC.general_profile_idc;t+=".";var r=this.hvcC.general_profile_compatibility;var n=0;for(e=0;e<32;e++){n|=r&1;if(e==31)break;n<<=1;r>>=1}t+=f(n,0);t+=".";if(this.hvcC.general_tier_flag===0){t+="L"}else{t+="H"}t+=this.hvcC.general_level_idc;var i=false;var a="";for(e=5;e>=0;e--){if(this.hvcC.general_constraint_indicator[e]||i){a="."+f(this.hvcC.general_constraint_indicator[e],0)+a;i=true}}t+=a}return t};o.mp4aBox.prototype.getCodec=function(){var e=o.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI();var r=this.esds.esd.getAudioConfig();return e+"."+f(t)+(r?"."+r:"")}else{return e}};o.esdsBox.prototype.parse=function(e){this.parseFullHeader(e);this.data=e.readUint8Array(this.size);this.size=0;var t=new a;this.esd=t.parseOneDescriptor(new n(this.data.buffer,0,n.BIG_ENDIAN))};o.txtCBox.prototype.parse=function(e){this.parseFullHeader(e);this.config=e.readCString()};o.cttsBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.sample_counts=[];this.sample_offsets=[];if(this.version===0){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_offsets.push(e.readInt32())}}else if(this.version==1){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_offsets.push(e.readInt32())}}else{this.data=e.readUint8Array(this.size-4)}};o.cttsBox.prototype.unpack=function(e){var t,r,n;n=0;for(t=0;t<this.sample_counts.length;t++){for(r=0;r<this.sample_counts[t];r++){e[n].pts=e[n].dts+this.sample_offsets[t];n++}}};o.cslgBox.prototype.parse=function(e){var t;this.parseFullHeader(e);if(this.version===0){this.compositionToDTSShift=e.readInt32();this.leastDecodeToDisplayDelta=e.readInt32();this.greatestDecodeToDisplayDelta=e.readInt32();this.compositionStartTime=e.readInt32();this.compositionEndTime=e.readInt32()}else{this.data=e.readUint8Array(this.size-4)}};o.sttsBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.sample_counts=[];this.sample_deltas=[];if(this.version===0){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_deltas.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.sttsBox.prototype.unpack=function(e){var t,r,n;n=0;for(t=0;t<this.sample_counts.length;t++){for(r=0;r<this.sample_counts[t];r++){if(n===0){e[n].dts=0}else{e[n].dts=e[n-1].dts+this.sample_deltas[t]}n++}}};o.stssBox.prototype.parse=function(e){var t;this.parseFullHeader(e);t=e.readUint32();if(this.version===0){this.sample_numbers=e.readUint32Array(t)}else{this.data=e.readUint8Array(this.size-4)}};o.stshBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.shadowed_sample_numbers=[];this.sync_sample_numbers=[];if(this.version===0){for(r=0;r<t;r++){this.shadowed_sample_numbers.push(e.readUint32());this.sync_sample_numbers.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.stcoBox.prototype.parse=function(e){var t;this.parseFullHeader(e);t=e.readUint32();if(this.version===0){this.chunk_offsets=e.readUint32Array(t)}else{this.data=e.readUint8Array(this.size-4)}};o.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++){e[t].offset=this.chunk_offsets[t]}};o.co64Box.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.chunk_offsets=[];if(this.version===0){for(r=0;r<t;r++){this.chunk_offsets.push(e.readUint64())}}else{this.data=e.readUint8Array(this.size-4)}};o.stscBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.first_chunk=[];this.samples_per_chunk=[];this.sample_description_index=[];if(this.version===0){for(r=0;r<t;r++){this.first_chunk.push(e.readUint32());this.samples_per_chunk.push(e.readUint32());this.sample_description_index.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.stscBox.prototype.unpack=function(e){var t,r,n,i,a;i=0;a=0;for(t=0;t<this.first_chunk.length;t++){for(r=0;r<(t+1<this.first_chunk.length?this.first_chunk[t+1]:Infinity);r++){a++;for(n=0;n<this.samples_per_chunk[t];n++){if(e[i]){e[i].description_index=this.sample_description_index[t];e[i].chunk_index=a}else{return}i++}}}};o.stszBox.prototype.parse=function(e){var t;var r;var n;this.parseFullHeader(e);this.sample_sizes=[];if(this.version===0){r=e.readUint32();n=e.readUint32();if(r===0){this.sample_sizes=e.readUint32Array(n)}else{this.sample_sizes=[];for(t=0;t<n;t++){this.sample_sizes[t]=r}}}else{this.data=e.readUint8Array(this.size)}};o.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++){e[t].size=this.sample_sizes[t]}};o.mehdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.fragment_duration=e.readUint64()}else{this.fragment_duration=e.readUint32()}};o.trexBox.prototype.parse=function(e){this.parseFullHeader(e);this.track_id=e.readUint32();this.default_sample_description_index=e.readUint32();this.default_sample_duration=e.readUint32();this.default_sample_size=e.readUint32();this.default_sample_flags=e.readUint32()};o.mfhdBox.prototype.parse=function(e){this.parseFullHeader(e);this.sequence_number=e.readUint32()};o.TFHD_FLAG_BASE_DATA_OFFSET=1;o.TFHD_FLAG_SAMPLE_DESC=2;o.TFHD_FLAG_SAMPLE_DUR=8;o.TFHD_FLAG_SAMPLE_SIZE=16;o.TFHD_FLAG_SAMPLE_FLAGS=32;o.TFHD_FLAG_DUR_EMPTY=65536;o.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072;o.tfhdBox.prototype.parse=function(e){var t=0;this.parseFullHeader(e);this.track_id=e.readUint32();if(this.size>t&&this.flags&o.TFHD_FLAG_BASE_DATA_OFFSET){this.base_data_offset=e.readUint64();t+=8}else{this.base_data_offset=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_DESC){this.default_sample_description_index=e.readUint32();t+=4}else{this.default_sample_description_index=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_DUR){this.default_sample_duration=e.readUint32();t+=4}else{this.default_sample_duration=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_SIZE){this.default_sample_size=e.readUint32();t+=4}else{this.default_sample_size=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){this.default_sample_flags=e.readUint32();t+=4}else{this.default_sample_flags=0}};o.TRUN_FLAGS_DATA_OFFSET=1;o.TRUN_FLAGS_FIRST_FLAG=4;o.TRUN_FLAGS_DURATION=256;o.TRUN_FLAGS_SIZE=512;o.TRUN_FLAGS_FLAGS=1024;o.TRUN_FLAGS_CTS_OFFSET=2048;o.trunBox.prototype.parse=function(e){var t=0;this.parseFullHeader(e);this.sample_count=e.readUint32();t+=4;if(this.size>t&&this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.data_offset=e.readInt32();t+=4}else{this.data_offset=0}if(this.size>t&&this.flags&o.TRUN_FLAGS_FIRST_FLAG){this.first_sample_flags=e.readUint32();t+=4}else{this.first_sample_flags=0}this.sample_duration=[];this.sample_size=[];this.sample_flags=[];this.sample_composition_time_offset=[];if(this.size>t){for(var r=0;r<this.sample_count;r++){if(this.flags&o.TRUN_FLAGS_DURATION){this.sample_duration[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_SIZE){this.sample_size[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_FLAGS){this.sample_flags[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){if(this.version===0){this.sample_composition_time_offset[r]=e.readUint32()}else{this.sample_composition_time_offset[r]=e.readInt32()}}}}};o.tfdtBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.baseMediaDecodeTime=e.readUint64()}else{this.baseMediaDecodeTime=e.readUint32()}};o.paylBox.prototype.parse=function(e){this.text=e.readString(this.size)};o.subsBox.prototype.parse=function(e){var t,r;var n;var i;this.parseFullHeader(e);n=e.readUint32();this.samples=[];for(t=0;t<n;t++){var a={};this.samples[t]=a;a.sample_delta=e.readUint32();a.subsamples=[];i=e.readUint16();if(i>0){for(r=0;r<i;r++){var s={};a.subsamples.push(s);if(this.version==1){s.size=e.readUint32()}else{s.size=e.readUint16()}s.priority=e.readUint8();s.discardable=e.readUint8();s.reserved=e.readUint32()}}}};o.Box.prototype.writeHeader=function(e,t){this.size+=8;if(this.size>n.MAX_SIZE){this.size+=8}s.d("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.position+(t||""));if(this.size>n.MAX_SIZE){e.writeUint32(1)}else{this.sizePosition=e.position;e.writeUint32(this.size)}e.writeString(this.type,null,4);if(this.size>n.MAX_SIZE){e.writeUint64(this.size)}};o.FullBox.prototype.writeHeader=function(e){this.size+=4;o.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags);e.writeUint8(this.version);e.writeUint24(this.flags)};o.Box.prototype.write=function(e){if(this.type==="mdat"){if(this.data){this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}}else{this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}};o.ContainerBox.prototype.write=function(e){this.size=0;this.writeHeader(e);for(var t=0;t<this.boxes.length;t++){if(this.boxes[t]){this.boxes[t].write(e);this.size+=this.boxes[t].size}}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.TrackReferenceTypeBox.prototype.write=function(e){this.size=this.track_ids.length*4;this.writeHeader(e);e.writeUint32Array(this.track_ids)};o.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length;this.writeHeader(e);e.writeString(this.major_brand,null,4);e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++){e.writeString(this.compatible_brands[t],null,4)}};o.mvhdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=23*4+2*2;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.timescale);e.writeUint32(this.duration);e.writeUint32(this.rate);e.writeUint16(this.volume<<8);e.writeUint16(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32Array(this.matrix);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(this.next_track_id)};o.tkhdBox.prototype.write=function(e){this.version=0;this.size=4*18+2*4;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.track_id);e.writeUint32(0);e.writeUint32(this.duration);e.writeUint32(0);e.writeUint32(0);e.writeInt16(this.layer);e.writeInt16(this.alternate_group);e.writeInt16(this.volume<<8);e.writeUint16(0);e.writeInt32Array(this.matrix);e.writeUint32(this.width);e.writeUint32(this.height)};o.mdhdBox.prototype.write=function(e){this.size=4*4+2*2;this.flags=0;this.version=0;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.timescale);e.writeUint32(this.duration);e.writeUint16(this.language);e.writeUint16(0)};o.hdlrBox.prototype.write=function(e){this.size=5*4+this.name.length+1;this.version=0;this.flags=0;this.writeHeader(e);e.writeUint32(0);e.writeString(this.handler,null,4);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeCString(this.name)};o.stsdBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=0;this.writeHeader(e);e.writeUint32(this.entries.length);this.size+=4;for(t=0;t<this.entries.length;t++){this.entries[t].write(e);this.size+=this.entries[t].size}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.SampleEntry.prototype.writeHeader=function(e){this.size=8;o.Box.prototype.writeHeader.call(this,e);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint16(this.data_reference_index)};o.SampleEntry.prototype.writeFooter=function(e){for(var t=0;t<this.boxes.length;t++){this.boxes[t].write(e);this.size+=this.boxes[t].size}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.SampleEntry.prototype.write=function(e){this.writeHeader(e);this.writeFooter(e)};o.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e);this.size+=2*7+6*4+32;e.writeUint16(0);e.writeUint16(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint16(this.width-this.width%2);e.writeUint16(this.height-this.height%2);e.writeUint32(this.horizresolution);e.writeUint32(this.vertresolution);e.writeUint32(0);e.writeUint16(this.frame_count);e.writeString(this.compressorname,null,32);e.writeUint16(this.depth);e.writeInt16(-1);this.writeFooter(e)};o.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e);this.size+=2*4+3*4;e.writeUint32(0);e.writeUint32(0);e.writeUint16(this.channel_count);e.writeUint16(this.samplesize);e.writeUint16(0);e.writeUint16(0);e.writeUint32(this.samplerate<<16);this.writeFooter(e)};o.avcCBox.prototype.write=function(e){var t;this.size=7;for(t=0;t<this.SPS.length;t++){this.size+=2+this.SPS[t].length}for(t=0;t<this.PPS.length;t++){this.size+=2+this.PPS[t].length}if(this.ext){this.size+=this.ext.length}this.writeHeader(e);e.writeUint8(this.configurationVersion);e.writeUint8(this.AVCProfileIndication);e.writeUint8(this.profile_compatibility);e.writeUint8(this.AVCLevelIndication);e.writeUint8(this.lengthSizeMinusOne+(63<<2));e.writeUint8(this.SPS.length+(7<<5));for(t=0;t<this.SPS.length;t++){e.writeUint16(this.SPS[t].length);e.writeUint8Array(this.SPS[t])}e.writeUint8(this.PPS.length);for(t=0;t<this.PPS.length;t++){e.writeUint16(this.PPS[t].length);e.writeUint8Array(this.PPS[t])}if(this.ext){e.writeUint8Array(this.ext)}};o.cttsBox.prototype.write=function(e){var t;this.version=1;this.flags=0;this.size=4+8*this.sample_counts.length;this.writeHeader(e);e.writeUint32(this.sample_counts.length);for(t=0;t<this.sample_counts.length;t++){e.writeUint32(this.sample_counts[t]);e.writeInt32(this.sample_offsets[t])}};o.cslgBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4*5;this.writeHeader(e);e.writeInt32(this.compositionToDTSShift);e.writeInt32(this.leastDecodeToDisplayDelta);e.writeInt32(this.greatestDecodeToDisplayDelta);e.writeInt32(this.compositionStartTime);e.writeInt32(this.compositionEndTime)};o.sttsBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.sample_counts.length;this.writeHeader(e);e.writeUint32(this.sample_counts.length);for(t=0;t<this.sample_counts.length;t++){e.writeUint32(this.sample_counts[t]);e.writeUint32(this.sample_deltas[t])}};o.stssBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4+4*this.sample_numbers.length;this.writeHeader(e);e.writeUint32(this.sample_numbers.length);e.writeUint32Array(this.sample_numbers)};o.stshBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.shadowed_sample_numbers.length;this.writeHeader(e);e.writeUint32(this.shadowed_sample_numbers.length);for(t=0;t<this.shadowed_sample_numbers.length;t++){e.writeUint32(this.shadowed_sample_numbers[t]);e.writeUint32(this.sync_sample_numbers[t])}};o.stcoBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4+4*this.chunk_offsets.length;this.writeHeader(e);e.writeUint32(this.chunk_offsets.length);e.writeUint32Array(this.chunk_offsets)};o.co64Box.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.chunk_offsets.length;this.writeHeader(e);e.writeUint32(this.chunk_offsets.length);for(t=0;t<this.chunk_offsets.length;t++){e.writeUint64(this.chunk_offsets[t])}};o.stscBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+12*this.first_chunk.length;this.writeHeader(e);e.writeUint32(this.first_chunk.length);for(t=0;t<this.first_chunk.length;t++){e.writeUint32(this.first_chunk[t]);e.writeUint32(this.samples_per_chunk[t]);e.writeUint32(this.sample_description_index[t])}};o.stszBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=8+12*this.sample_sizes.length;this.writeHeader(e);e.writeUint32(0);e.writeUint32(this.sample_sizes.length);e.writeUint32Array(this.sample_sizes)};o.mehdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);e.writeUint32(this.fragment_duration)};o.trexBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4*5;this.writeHeader(e);e.writeUint32(this.track_id);e.writeUint32(this.default_sample_description_index);e.writeUint32(this.default_sample_duration);e.writeUint32(this.default_sample_size);e.writeUint32(this.default_sample_flags)};o.mfhdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);e.writeUint32(this.sequence_number)};o.tfhdBox.prototype.write=function(e){this.version=0;this.size=4;if(this.flags&o.TFHD_FLAG_BASE_OFFSET){this.size+=8}if(this.flags&o.TFHD_FLAG_SAMPLE_DESC){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_DUR){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_SIZE){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){this.size+=4}this.writeHeader(e);e.writeUint32(this.track_id);if(this.flags&o.TFHD_FLAG_BASE_OFFSET){e.writeUint64(this.base_data_offset)}if(this.flags&o.TFHD_FLAG_SAMPLE_DESC){e.writeUint32(this.default_sample_description_index)}if(this.flags&o.TFHD_FLAG_SAMPLE_DUR){e.writeUint32(this.default_sample_duration)}if(this.flags&o.TFHD_FLAG_SAMPLE_SIZE){e.writeUint32(this.default_sample_size)}if(this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){e.writeUint32(this.default_sample_flags)}};o.trunBox.prototype.write=function(e){this.version=0;this.size=4;if(this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.size+=4}if(this.flags&o.TRUN_FLAGS_FIRST_FLAG){this.size+=4}if(this.flags&o.TRUN_FLAGS_DURATION){this.size+=4*this.sample_duration.length}if(this.flags&o.TRUN_FLAGS_SIZE){this.size+=4*this.sample_size.length}if(this.flags&o.TRUN_FLAGS_FLAGS){this.size+=4*this.sample_flags.length}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){this.size+=4*this.sample_composition_time_offset.length}this.writeHeader(e);e.writeUint32(this.sample_count);if(this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.data_offset_position=e.position;e.writeInt32(this.data_offset)}if(this.flags&o.TRUN_FLAGS_FIRST_FLAG){e.writeUint32(this.first_sample_flags)}for(var t=0;t<this.sample_count;t++){if(this.flags&o.TRUN_FLAGS_DURATION){e.writeUint32(this.sample_duration[t])}if(this.flags&o.TRUN_FLAGS_SIZE){e.writeUint32(this.sample_size[t])}if(this.flags&o.TRUN_FLAGS_FLAGS){e.writeUint32(this.sample_flags[t])}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){if(this.version===0){e.writeUint32(this.sample_composition_time_offset[t])}else{e.writeInt32(this.sample_composition_time_offset[t])}}}};o.tfdtBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);if(this.version==1){e.writeUint64(this.baseMediaDecodeTime)}else{e.writeUint32(this.baseMediaDecodeTime)}}},{"./DataStream":223,"./descriptor":225,"./log":227}],225:[function(e,t,r){var n=e("./log");var i=function(){var e=3;var t=4;var r=5;var i=6;var a=[];a[e]="ES_Descriptor";a[t]="DecoderConfigDescriptor";a[r]="DecoderSpecificInfo";a[i]="SLConfigDescriptor";var s=this;var o={};this.parseOneDescriptor=function(e){var t=0;var r=0;var i;var s;var f;i=e.readUint8();t++;f=e.readUint8();t++;while(f&128){r=(f&127)<<7;f=e.readUint8();t++}r+=f&127;n.d("MPEG4DescriptorParser","Found "+(a[i]|"Descriptor "+i)+", size "+r+" at position "+e.position);if(a[i]){s=new o[a[i]](r)}else{s=new o.Descriptor(r)}s.parse(e);return s};o.Descriptor=function(e,t){this.tag=e;this.size=t;this.descs=[]};o.Descriptor.prototype.parse=function(e){this.data=e.readUint8Array(this.size)};o.Descriptor.prototype.findDescriptor=function(e){for(var t=0;t<this.descs.length;t++){if(this.descs[t].tag==e){return this.descs[t]}}return null};o.Descriptor.prototype.parseRemainingDescriptors=function(e){var t=e.position;while(e.position<t+this.size){var r=s.parseOneDescriptor(e);this.descs.push(r)}};o.ES_Descriptor=function(t){o.Descriptor.call(this,e,t)};o.ES_Descriptor.prototype=new o.Descriptor;o.ES_Descriptor.prototype.parse=function(e){this.ES_ID=e.readUint16();this.flags=e.readUint8();
-this.size-=3;if(this.flags&128){this.dependsOn_ES_ID=e.readUint16();this.size-=2}else{this.dependsOn_ES_ID=0}if(this.flags&64){var t=e.readUint8();this.URL=e.readString(t);this.size-=t+1}else{this.URL=null}if(this.flags&32){this.OCR_ES_ID=e.readUint16();this.size-=2}else{this.OCR_ES_ID=0}this.parseRemainingDescriptors(e)};o.ES_Descriptor.prototype.getOTI=function(e){var r=this.findDescriptor(t);if(r){return r.oti}else{return 0}};o.ES_Descriptor.prototype.getAudioConfig=function(e){var n=this.findDescriptor(t);if(!n)return null;var i=n.findDescriptor(r);if(i&&i.data){return(i.data[0]&248)>>3}else{return null}};o.DecoderConfigDescriptor=function(e){o.Descriptor.call(this,t,e)};o.DecoderConfigDescriptor.prototype=new o.Descriptor;o.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8();this.streamType=e.readUint8();this.bufferSize=e.readUint24();this.maxBitrate=e.readUint32();this.avgBitrate=e.readUint32();this.size-=13;this.parseRemainingDescriptors(e)};o.DecoderSpecificInfo=function(e){o.Descriptor.call(this,r,e)};o.DecoderSpecificInfo.prototype=new o.Descriptor;o.SLConfigDescriptor=function(e){o.Descriptor.call(this,i,e)};o.SLConfigDescriptor.prototype=new o.Descriptor;return this};t.exports=i},{"./log":227}],226:[function(e,t,r){var n=e("./box");var i=e("./DataStream");var a=e("./log");var s=function(e){this.stream=e;this.boxes=[];this.mdats=[];this.moofs=[];this.isProgressive=false;this.lastMoofIndex=0;this.lastBoxStartPosition=0;this.parsingMdat=null;this.moovStartFound=false;this.samplesDataSize=0;this.nextParsePosition=0};t.exports=s;s.prototype.mergeNextBuffer=function(){var e;if(this.stream.bufferIndex+1<this.stream.nextBuffers.length){e=this.stream.nextBuffers[this.stream.bufferIndex+1];if(e.fileStart===this.stream.buffer.fileStart+this.stream.buffer.byteLength){var t=this.stream.buffer.byteLength;var r=this.stream.buffer.usedBytes;var n=this.stream.buffer.fileStart;this.stream.nextBuffers[this.stream.bufferIndex]=ArrayBuffer.concat(this.stream.buffer,e);this.stream.buffer=this.stream.nextBuffers[this.stream.bufferIndex];this.stream.nextBuffers.splice(this.stream.bufferIndex+1,1);this.stream.buffer.usedBytes=r;this.stream.buffer.fileStart=n;a.d("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.stream.buffer.byteLength+")");return true}else{return false}}else{return false}};s.prototype.parse=function(){var e;var t;var r;a.d("ISOFile","Starting parsing with buffer #"+this.stream.bufferIndex+" (fileStart: "+this.stream.buffer.fileStart+" - Length: "+this.stream.buffer.byteLength+") from position "+this.lastBoxStartPosition+" ("+(this.stream.buffer.fileStart+this.lastBoxStartPosition)+" in the file)");this.stream.seek(this.lastBoxStartPosition);while(true){if(this.parsingMdat!==null){r=this.parsingMdat;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){a.d("ISOFile","Found 'mdat' end in buffer #"+this.stream.bufferIndex);this.parsingMdat=null;continue}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex);return}}else{this.lastBoxStartPosition=this.stream.position;t=n.parseOneBox(this.stream);if(t.code===n.ERR_NOT_ENOUGH_DATA){if(t.type==="mdat"){r=new n[t.type+"Box"](t.size-t.hdr_size);this.parsingMdat=r;this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+this.stream.position;r.hdr_size=t.hdr_size;this.stream.buffer.usedBytes+=t.hdr_size;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){this.parsingMdat=null;continue}else{if(!this.moovStartFound){this.nextParsePosition=r.fileStart+r.size+r.hdr_size}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex)}return}}else{if(t.type==="moov"){this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}}else if(t.type==="free"){e=this.reposition(false,this.stream.buffer.fileStart+this.stream.position+t.size);if(e){continue}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size;return}}merged=this.mergeNextBuffer();if(merged){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength;continue}else{if(!t.type){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{if(this.moovStartFound){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size}}return}}}else{r=t.box;this.boxes.push(r);switch(r.type){case"mdat":this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+r.start;break;case"moof":this.moofs.push(r);break;case"moov":this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}default:if(this[r.type]!==undefined){a.w("ISOFile","Duplicate Box of type: "+r.type+", overriding previous occurrence")}this[r.type]=r;break}if(r.type==="mdat"){this.stream.buffer.usedBytes+=r.hdr_size}else{this.stream.buffer.usedBytes+=t.size}}}}};s.prototype.reposition=function(e,t){var r;r=this.findPosition(e,t);if(r!==-1){this.stream.buffer=this.stream.nextBuffers[r];this.stream.bufferIndex=r;this.stream.position=t-this.stream.buffer.fileStart;a.d("ISOFile","Repositioning parser at buffer position: "+this.stream.position);return true}else{return false}};s.prototype.findPosition=function(e,t){var r;var n=null;var i=-1;if(e===true){r=0}else{r=this.stream.bufferIndex}while(r<this.stream.nextBuffers.length){n=this.stream.nextBuffers[r];if(n.fileStart<=t){i=r}else{break}r++}if(i!==-1){n=this.stream.nextBuffers[i];if(n.fileStart+n.byteLength>=t){a.d("ISOFile","Found position in existing buffer #"+i);return i}else{return-1}}else{return-1}};s.prototype.findEndContiguousBuf=function(e){var t;var r;var n;r=this.stream.nextBuffers[e];if(this.stream.nextBuffers.length>e+1){for(t=e+1;t<this.stream.nextBuffers.length;t++){n=this.stream.nextBuffers[t];if(n.fileStart===r.fileStart+r.byteLength){r=n}else{break}}}return r.fileStart+r.byteLength};s.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++){this.boxes[t].write(e)}};s.prototype.writeInitializationSegment=function(e){var t;var r;var i;var s;var o;a.d("ISOFile","Generating initialization segment");this.ftyp.write(e);if(this.moov.mvex){this.initial_duration=this.moov.mvex.mehd.fragment_duration;r=-1;for(t=0;t<this.moov.boxes.length;t++){o=this.moov.boxes[t];if(o===this.moov.mvex){r=t}}if(r>-1){this.moov.boxes.splice(r,1)}this.moov.mvex=null}this.moov.mvex=new n.mvexBox;this.moov.boxes.push(this.moov.mvex);this.moov.mvex.mehd=new n.mehdBox;this.moov.mvex.boxes.push(this.moov.mvex.mehd);this.moov.mvex.mehd.fragment_duration=this.initial_duration;for(t=0;t<this.moov.traks.length;t++){if(this.moov.traks[t].ignore)continue;s=new n.trexBox;this.moov.mvex.boxes.push(s);s.track_id=this.moov.traks[t].tkhd.track_id;s.default_sample_description_index=1;s.default_sample_duration=this.moov.traks[t].samples.length>0?this.moov.traks[t].samples[0].duration:0;s.default_sample_size=0;s.default_sample_flags=1<<16}this.moov.write(e)};s.prototype.resetTables=function(){var e;var t,r,n,i,a,s,o,f;this.initial_duration=this.moov.mvhd.duration;this.moov.mvhd.duration=0;for(e=0;e<this.moov.traks.length;e++){t=this.moov.traks[e];t.tkhd.duration=0;t.mdia.mdhd.duration=0;r=t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64;r.chunk_offsets=[];n=t.mdia.minf.stbl.stsc;n.first_chunk=[];n.samples_per_chunk=[];n.sample_description_index=[];i=t.mdia.minf.stbl.stsz;i.sample_sizes=[];a=t.mdia.minf.stbl.stts;a.sample_counts=[];a.sample_deltas=[];s=t.mdia.minf.stbl.ctts;if(s){s.sample_counts=[];s.sample_offsets=[]}o=t.mdia.minf.stbl.stss;if(o){o.sample_numbers=new Uint32Array(0)}f=t.mdia.minf.stbl.sdtp;var u=t.mdia.minf.stbl.boxes.indexOf(f);if(u!=-1)t.mdia.minf.stbl.boxes[u]=null}};s.prototype.buildSampleLists=function(){var e,t,r;var n,i,a,s,o,f,u,l,c;var p,d,h,m,v;var g,y,_,b,w,x;this.originalMvex=this.moov.mvex;for(e=0;e<this.moov.traks.length;e++){n=this.moov.traks[e];n.samples=[];i=n.mdia.minf.stbl.stco||n.mdia.minf.stbl.co64;a=n.mdia.minf.stbl.stsc;s=n.mdia.minf.stbl.stsz;o=n.mdia.minf.stbl.stts;f=n.mdia.minf.stbl.ctts;u=n.mdia.minf.stbl.stss;l=n.mdia.minf.stbl.stsd;c=n.mdia.minf.stbl.subs;g=-1;y=-1;_=-1;b=-1;w=0;subs_entry_index=0;last_subs_sample_index=0;for(t=0;t<s.sample_sizes.length;t++){var k={};k.number=t;k.track_id=n.tkhd.track_id;k.timescale=n.mdia.mdhd.timescale;n.samples[t]=k;k.size=s.sample_sizes[t];if(t===0){d=1;p=0;k.chunk_index=d;k.chunk_run_index=p;v=a.samples_per_chunk[p];m=0;if(p+1<a.first_chunk.length){h=a.first_chunk[p+1]-1}else{h=Infinity}}else{if(t<v){k.chunk_index=d;k.chunk_run_index=p}else{d++;k.chunk_index=d;m=0;if(d<=h){}else{p++;if(p+1<a.first_chunk.length){h=a.first_chunk[p+1]-1}else{h=Infinity}}k.chunk_run_index=p;v+=a.samples_per_chunk[p]}}k.description=l.entries[a.sample_description_index[k.chunk_run_index]-1];k.offset=i.chunk_offsets[k.chunk_index-1]+m;m+=k.size;if(t>g){y++;if(g<0){g=0}g+=o.sample_counts[y]}if(t>0){n.samples[t-1].duration=o.sample_deltas[y];k.dts=n.samples[t-1].dts+n.samples[t-1].duration}else{k.dts=0}if(f){if(t>_){b++;_+=f.sample_counts[b]}k.cts=n.samples[t].dts+f.sample_offsets[b]}else{k.cts=k.dts}if(u){if(t==u.sample_numbers[w]-1){k.is_rap=true;w++}else{k.is_rap=false}}else{k.is_rap=true}if(c){if(c.samples[subs_entry_index].sample_delta+last_subs_sample_index==t){k.subsamples=c.samples[subs_entry_index].subsamples;last_subs_sample_index+=c.samples[subs_entry_index].sample_delta}}}if(t>0)n.samples[t-1].duration=n.mdia.mdhd.duration-n.samples[t-1].dts}};s.prototype.updateSampleLists=function(){var e,t,r;var i,a,s,o;var f;var u,l,c,p,d;var h;while(this.lastMoofIndex<this.moofs.length){u=this.moofs[this.lastMoofIndex];this.lastMoofIndex++;if(u.type=="moof"){l=u;for(e=0;e<l.trafs.length;e++){c=l.trafs[e];p=this.getTrackById(c.tfhd.track_id);d=this.getTrexById(c.tfhd.track_id);if(c.tfhd.flags&n.TFHD_FLAG_SAMPLE_DESC){i=c.tfhd.default_sample_description_index}else{i=d.default_sample_description_index}if(c.tfhd.flags&n.TFHD_FLAG_SAMPLE_DUR){a=c.tfhd.default_sample_duration}else{a=d.default_sample_duration}if(c.tfhd.flags&n.TFHD_FLAG_SAMPLE_SIZE){s=c.tfhd.default_sample_size}else{s=d.default_sample_size}if(c.tfhd.flags&n.TFHD_FLAG_SAMPLE_FLAGS){o=c.tfhd.default_sample_flags}else{o=d.default_sample_flags}for(t=0;t<c.truns.length;t++){var m=c.truns[t];for(r=0;r<m.sample_count;r++){h={};c.first_sample_index=p.samples.length;p.samples.push(h);h.track_id=p.tkhd.track_id;h.timescale=p.mdia.mdhd.timescale;h.description=p.mdia.minf.stbl.stsd.entries[i-1];h.size=s;if(m.flags&n.TRUN_FLAGS_SIZE){h.size=m.sample_size[r]}h.duration=a;if(m.flags&n.TRUN_FLAGS_DURATION){h.duration=m.sample_duration[r]}if(p.first_traf_merged||r>0){h.dts=p.samples[p.samples.length-2].dts+p.samples[p.samples.length-2].duration}else{if(c.tfdt){h.dts=c.tfdt.baseMediaDecodeTime}else{h.dts=0}p.first_traf_merged=true}h.cts=h.dts;if(m.flags&n.TRUN_FLAGS_CTS_OFFSET){h.cts=h.dts+m.sample_composition_time_offset[r]}sample_flags=o;if(m.flags&n.TRUN_FLAGS_FLAGS){sample_flags=m.sample_flags[r]}else if(r===0&&m.flags&n.TRUN_FLAGS_FIRST_FLAG){sample_flags=m.first_sample_flags}h.is_rap=sample_flags>>16&1?false:true;var v=c.tfhd.flags&n.TFHD_FLAG_BASE_DATA_OFFSET?true:false;var g=c.tfhd.flags&n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF?true:false;var y=m.flags&n.TRUN_FLAGS_DATA_OFFSET?true:false;var _=0;if(!v){if(!g){if(t===0){_=l.fileStart}else{_=f}}else{_=l.fileStart}}else{_=c.tfhd.base_data_offset}if(t===0&&r===0){if(y){h.offset=_+m.data_offset}else{h.offset=_}}else{h.offset=f}f=h.offset+h.size}}if(c.subs){var b=c.first_sample_index;for(t=0;t<c.subs.samples.length;t++){b+=c.subs.samples[t].sample_delta;h=p.samples[b-1];h.subsamples=c.subs.samples[t].subsamples}}}}}};s.prototype.getCodecs=function(){var e;var t="";for(e=0;e<this.moov.traks.length;e++){var r=this.moov.traks[e];if(e>0){t+=","}t+=r.mdia.minf.stbl.stsd.entries[0].getCodec()}return t};s.prototype.getTrexById=function(e){var t;if(!this.originalMvex)return null;for(t=0;t<this.originalMvex.trexs.length;t++){var r=this.originalMvex.trexs[t];if(r.track_id==e)return r}return null};s.prototype.getTrackById=function(e){for(var t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];if(r.tkhd.track_id==e)return r}return null};s.prototype.getSample=function(e,t){var r;var n;var s=e.samples[t];if(!this.moov){return null}if(!s.data){s.data=new Uint8Array(s.size);s.alreadyRead=0;this.samplesDataSize+=s.size;a.d("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+s.size+" (total: "+this.samplesDataSize+")")}else if(s.alreadyRead==s.size){return s}for(n=0;n<this.stream.nextBuffers.length;n++){r=this.stream.nextBuffers[n];if(s.offset+s.alreadyRead>=r.fileStart&&s.offset+s.alreadyRead<r.fileStart+r.byteLength){var o=r.byteLength-(s.offset+s.alreadyRead-r.fileStart);if(s.size-s.alreadyRead<=o){a.d("ISOFile","Getting sample #"+t+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" size: "+(s.size-s.alreadyRead)+")");i.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,s.size-s.alreadyRead);s.alreadyRead=s.size;r.usedBytes+=s.size-s.alreadyRead;if(r.usedBytes===r.byteLength){this.stream.nextBuffers.splice(n,1);n--}return s}else{a.d("ISOFile","Getting sample data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" size: "+o+")");i.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,o);s.alreadyRead+=o;r.usedBytes+=o;if(r.usedBytes===r.byteLength){this.stream.nextBuffers.splice(n,1);n--}}}}return null};s.prototype.releaseSample=function(e,t){var r=e.samples[t];r.data=null;this.samplesDataSize-=r.size;return r.size}},{"./DataStream":223,"./box":224,"./log":227}],227:[function(e,t,r){var n=function(){var e=new Date;var t=4;var r=3;var i=2;var a=1;var s=t;var o={setLogLevel:function(e){if(e==this.d)s=a;else if(e==this.i)s=i;else if(e==this.w)s=r;else if(e==this.e)s=t;else s=t},d:function(t,r){if(a>=s){console.debug("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},i:function(t,r){if(i>=s){console.info("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},w:function(t,i){if(r>=s){console.warn("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",i)}},e:function(r,i){if(t>=s){console.error("["+n.getDurationString(new Date-e,1e3)+"]","["+r+"]",i)}}};return o}();t.exports=n;n.getDurationString=function(e,t){function r(e,t){var r=""+e;var n=r.split(".");while(n[0].length<t){n[0]="0"+n[0]}return n.join(".")}var n=t||1;var i=e/n;var a=Math.floor(i/3600);i-=a*3600;var s=Math.floor(i/60);i-=s*60;var o=i*1e3;i=Math.floor(i);o-=i*1e3;o=Math.floor(o);return""+a+":"+r(s,2)+":"+r(i,2)+"."+r(o,3)};n.printRanges=function(e){var t=e.length;if(t>0){var r="";for(var i=0;i<t;i++){if(i>0)r+=",";r+="["+n.getDurationString(e.start(i))+","+n.getDurationString(e.end(i))+"]"}return r}else{return"(empty)"}}},{}],228:[function(e,t,r){var n=e("./box");var a=e("./DataStream");var s=e("./isofile");var o=e("./log");var f=function(){this.inputStream=null;this.nextBuffers=[];this.inputIsoFile=null;this.onMoovStart=null;this.moovStartSent=false;this.onReady=null;this.readySent=false;this.onSegment=null;this.onSamples=null;this.onError=null;this.sampleListBuilt=false;this.fragmentedTracks=[];this.extractedTracks=[];this.isFragmentationStarted=false;this.nextMoofNumber=0};t.exports=f;f.prototype.setSegmentOptions=function(e,t,r){var n=this.inputIsoFile.getTrackById(e);if(n){var i={};this.fragmentedTracks.push(i);i.id=e;i.user=t;i.trak=n;n.nextSample=0;i.segmentStream=null;i.nb_samples=1e3;i.rapAlignement=true;if(r){if(r.nbSamples)i.nb_samples=r.nbSamples;if(r.rapAlignement)i.rapAlignement=r.rapAlignement}}};f.prototype.unsetSegmentOptions=function(e){var t=-1;for(var r=0;r<this.fragmentedTracks.length;r++){var n=this.fragmentedTracks[r];if(n.id==e){t=r}}if(t>-1){this.fragmentedTracks.splice(t,1)}};f.prototype.setExtractionOptions=function(e,t,r){var n=this.inputIsoFile.getTrackById(e);if(n){var i={};this.extractedTracks.push(i);i.id=e;i.user=t;i.trak=n;n.nextSample=0;i.nb_samples=1e3;i.samples=[];if(r){if(r.nbSamples)i.nb_samples=r.nbSamples}}};f.prototype.unsetExtractionOptions=function(e){var t=-1;for(var r=0;r<this.extractedTracks.length;r++){var n=this.extractedTracks[r];if(n.id==e){t=r}}if(t>-1){this.extractedTracks.splice(t,1)}};f.prototype.createSingleSampleMoof=function(e){var t=new n.moofBox;var r=new n.mfhdBox;r.sequence_number=this.nextMoofNumber;this.nextMoofNumber++;t.boxes.push(r);var i=new n.trafBox;t.boxes.push(i);var a=new n.tfhdBox;i.boxes.push(a);a.track_id=e.track_id;a.flags=n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF;var s=new n.tfdtBox;i.boxes.push(s);s.baseMediaDecodeTime=e.dts;var o=new n.trunBox;i.boxes.push(o);t.trun=o;o.flags=n.TRUN_FLAGS_DATA_OFFSET|n.TRUN_FLAGS_DURATION|n.TRUN_FLAGS_SIZE|n.TRUN_FLAGS_FLAGS|n.TRUN_FLAGS_CTS_OFFSET;o.data_offset=0;o.first_sample_flags=0;o.sample_count=1;o.sample_duration=[];o.sample_duration[0]=e.duration;o.sample_size=[];o.sample_size[0]=e.size;o.sample_flags=[];o.sample_flags[0]=0;o.sample_composition_time_offset=[];o.sample_composition_time_offset[0]=e.cts-e.dts;return t};f.prototype.createFragment=function(e,t,r,i){var s=this.inputIsoFile.getTrackById(t);var f=this.inputIsoFile.getSample(s,r);if(f==null){if(this.nextSeekPosition){this.nextSeekPosition=Math.min(s.samples[r].offset,this.nextSeekPosition)}else{this.nextSeekPosition=s.samples[r].offset}return null}var u=i||new a;u.endianness=a.BIG_ENDIAN;var l=this.createSingleSampleMoof(f);l.write(u);l.trun.data_offset=l.size+8;o.d("BoxWriter","Adjusting data_offset with new value "+l.trun.data_offset);u.adjustUint32(l.trun.data_offset_position,l.trun.data_offset);var c=new n.mdatBox;c.data=f.data;c.write(u);return u};ArrayBuffer.concat=function(e,t){o.d("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);r.set(new Uint8Array(e),0);r.set(new Uint8Array(t),e.byteLength);return r.buffer};f.prototype.reduceBuffer=function(e,t,r){var n;n=new Uint8Array(r);n.set(new Uint8Array(e,t,r));n.buffer.fileStart=e.fileStart+t;n.buffer.usedBytes=0;return n.buffer};f.prototype.insertBuffer=function(e){var t=true;for(var r=0;r<this.nextBuffers.length;r++){var n=this.nextBuffers[r];if(e.fileStart<=n.fileStart){if(e.fileStart===n.fileStart){if(e.byteLength>n.byteLength){this.nextBuffers.splice(r,1);r--;continue}else{o.w("MP4Box","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}}else{if(e.fileStart+e.byteLength<=n.fileStart){}else{e=this.reduceBuffer(e,0,n.fileStart-e.fileStart)}o.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.splice(r,0,e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}t=false;break}else if(e.fileStart<n.fileStart+n.byteLength){var i=n.fileStart+n.byteLength-e.fileStart;var a=e.byteLength-i;if(a>0){e=this.reduceBuffer(e,i,a)}else{t=false;break}}}if(t){o.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.push(e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}};f.prototype.processSamples=function(){var e;var t;if(this.isFragmentationStarted&&this.onSegment!==null){for(e=0;e<this.fragmentedTracks.length;e++){var r=this.fragmentedTracks[e];t=r.trak;while(t.nextSample<t.samples.length){o.d("MP4Box","Creating media fragment on track #"+r.id+" for sample "+t.nextSample);var n=this.createFragment(this.inputIsoFile,r.id,t.nextSample,r.segmentStream);if(n){r.segmentStream=n;t.nextSample++}else{break}if(t.nextSample%r.nb_samples===0||t.nextSample>=t.samples.length){o.i("MP4Box","Sending fragmented data on track #"+r.id+" for samples ["+(t.nextSample-r.nb_samples)+","+(t.nextSample-1)+"]");if(this.onSegment){this.onSegment(r.id,r.user,r.segmentStream.buffer,t.nextSample)}r.segmentStream=null;if(r!==this.fragmentedTracks[e]){break}}}}}if(this.onSamples!==null){for(e=0;e<this.extractedTracks.length;e++){var i=this.extractedTracks[e];t=i.trak;while(t.nextSample<t.samples.length){o.d("MP4Box","Exporting on track #"+i.id+" sample #"+t.nextSample);var a=this.inputIsoFile.getSample(t,t.nextSample);if(a){t.nextSample++;i.samples.push(a)}else{return}if(t.nextSample%i.nb_samples===0||t.nextSample>=t.samples.length){o.d("MP4Box","Sending samples on track #"+i.id+" for sample "+t.nextSample);if(this.onSamples){this.onSamples(i.id,i.user,i.samples)}i.samples=[];if(i!==this.extractedTracks[e]){break}}}}}};f.prototype.appendBuffer=function(e){var t;var r;if(e===null||e===undefined){throw"Buffer must be defined and non empty"}if(e.fileStart===undefined){throw"Buffer must have a fileStart property"}if(e.byteLength===0){o.w("MP4Box","Ignoring empty buffer (fileStart: "+e.fileStart+")");return}e.usedBytes=0;this.insertBuffer(e);if(!this.inputStream){if(this.nextBuffers.length>0){r=this.nextBuffers[0];if(r.fileStart===0){this.inputStream=new a(r,0,a.BIG_ENDIAN);this.inputStream.nextBuffers=this.nextBuffers;this.inputStream.bufferIndex=0}else{o.w("MP4Box","The first buffer should have a fileStart of 0");return}}else{o.w("MP4Box","No buffer to start parsing from");return}}if(!this.inputIsoFile){this.inputIsoFile=new s(this.inputStream)}this.inputIsoFile.parse();if(this.inputIsoFile.moovStartFound&&!this.moovStartSent){this.moovStartSent=true;if(this.onMoovStart)this.onMoovStart()}if(this.inputIsoFile.moov){if(!this.sampleListBuilt){this.inputIsoFile.buildSampleLists();this.sampleListBuilt=true}this.inputIsoFile.updateSampleLists();if(this.onReady&&!this.readySent){var n=this.getInfo();this.readySent=true;this.onReady(n)}this.processSamples();if(this.nextSeekPosition){t=this.nextSeekPosition;this.nextSeekPosition=undefined}else{t=this.inputIsoFile.nextParsePosition}var i=this.inputIsoFile.findPosition(true,t);if(i!==-1){t=this.inputIsoFile.findEndContiguousBuf(i)}o.i("MP4Box","Next buffer to fetch should have a fileStart position of "+t);return t}else{if(this.inputIsoFile!==null){return this.inputIsoFile.nextParsePosition}else{return 0}}};f.prototype.getInfo=function(){var e={};var t;var r;var n;var a=new Date(4,0,1,0,0,0,0).getTime();e.duration=this.inputIsoFile.moov.mvhd.duration;e.timescale=this.inputIsoFile.moov.mvhd.timescale;e.isFragmented=this.inputIsoFile.moov.mvex!=null;if(e.isFragmented&&this.inputIsoFile.moov.mvex.mehd){e.fragment_duration=this.inputIsoFile.moov.mvex.mehd.fragment_duration}else{e.fragment_duration=0}e.isProgressive=this.inputIsoFile.isProgressive;e.hasIOD=this.inputIsoFile.moov.iods!=null;e.brands=[];e.brands.push(this.inputIsoFile.ftyp.major_brand);e.brands=e.brands.concat(this.inputIsoFile.ftyp.compatible_brands);e.created=new Date(a+this.inputIsoFile.moov.mvhd.creation_time*1e3);e.modified=new Date(a+this.inputIsoFile.moov.mvhd.modification_time*1e3);e.tracks=[];e.audioTracks=[];e.videoTracks=[];e.subtitleTracks=[];e.metadataTracks=[];e.hintTracks=[];e.otherTracks=[];for(i=0;i<this.inputIsoFile.moov.traks.length;i++){t=this.inputIsoFile.moov.traks[i];n=t.mdia.minf.stbl.stsd.entries[0];r={};e.tracks.push(r);r.id=t.tkhd.track_id;r.references=[];if(t.tref){for(j=0;j<t.tref.boxes.length;j++){ref={};r.references.push(ref);ref.type=t.tref.boxes[j].type;ref.track_ids=t.tref.boxes[j].track_ids}}r.created=new Date(a+t.tkhd.creation_time*1e3);r.modified=new Date(a+t.tkhd.modification_time*1e3);r.movie_duration=t.tkhd.duration;r.layer=t.tkhd.layer;r.alternate_group=t.tkhd.alternate_group;r.volume=t.tkhd.volume;r.matrix=t.tkhd.matrix;r.track_width=t.tkhd.width/(1<<16);r.track_height=t.tkhd.height/(1<<16);r.timescale=t.mdia.mdhd.timescale;r.duration=t.mdia.mdhd.duration;r.codec=n.getCodec();r.language=t.mdia.mdhd.languageString;r.nb_samples=t.samples.length;r.size=0;for(j=0;j<r.nb_samples;j++){r.size+=t.samples[j].size}r.bitrate=r.size*8*r.timescale/r.duration;if(n.isAudio()){e.audioTracks.push(r);r.audio={};r.audio.sample_rate=n.getSampleRate();r.audio.channel_count=n.getChannelCount();r.audio.sample_size=n.getSampleSize()}else if(n.isVideo()){e.videoTracks.push(r);r.video={};r.video.width=n.getWidth();r.video.height=n.getHeight()}else if(n.isSubtitle()){e.subtitleTracks.push(r)}else if(n.isHint()){e.hintTracks.push(r)}else if(n.isMetadata()){e.metadataTracks.push(r)}else{e.otherTracks.push(r)}}return e};f.prototype.getInitializationSegment=function(){var e=new a;e.endianness=a.BIG_ENDIAN;this.inputIsoFile.writeInitializationSegment(e);return e.buffer};f.prototype.writeFile=function(){var e=new a;e.endianness=a.BIG_ENDIAN;this.inputIsoFile.write(e);return e.buffer};f.prototype.initializeSegmentation=function(){var e;var t;var r;var n;var i;if(this.onSegment===null){o.w("MP4Box","No segmentation callback set!")}if(!this.isFragmentationStarted){this.isFragmentationStarted=true;this.nextMoofNumber=0;this.inputIsoFile.resetTables()}n=[];for(e=0;e<this.fragmentedTracks.length;e++){for(t=0;t<this.inputIsoFile.moov.boxes.length;t++){r=this.inputIsoFile.moov.boxes[t];if(r&&r.type==="trak"){this.inputIsoFile.moov.boxes[t].ignore=true;this.inputIsoFile.moov.boxes[t]=null}}i=this.inputIsoFile.getTrackById(this.fragmentedTracks[e].id);delete i.ignore;for(t=0;t<this.inputIsoFile.moov.boxes.length;t++){r=this.inputIsoFile.moov.boxes[t];if(r==null){this.inputIsoFile.moov.boxes[t]=i;break}}seg={};seg.id=i.tkhd.track_id;seg.user=this.fragmentedTracks[e].user;seg.buffer=this.getInitializationSegment();n.push(seg)}return n};f.prototype.releaseUsedSamples=function(e,t){var r=0;var n=this.inputIsoFile.getTrackById(e);if(!n.lastValidSample)n.lastValidSample=0;for(var i=n.lastValidSample;i<t;i++){r+=this.inputIsoFile.releaseSample(n,i)}o.d("MP4Box","Track #"+e+" released samples up to "+t+" (total size: "+r+", remaining: "+this.inputIsoFile.samplesDataSize+")");n.lastValidSample=t};f.prototype.flush=function(){o.i("MP4Box","Flushing remaining samples");this.inputIsoFile.updateSampleLists();this.processSamples()};f.prototype.seekTrack=function(e,t,r){var n;var i;var a=Infinity;var s=0;var f=Infinity;var u=0;var l=0;var c;for(n=0;n<r.samples.length;n++){i=r.samples[n];if(n===0){f=i.offset;l=0;c=i.timescale}else if(i.cts>e*i.timescale){f=r.samples[n-1].offset;l=n-1;break}if(t&&i.is_rap){a=i.offset;s=i.cts;u=n}}if(t){r.nextSample=u;o.i("MP4Box","Seeking to RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(s,c)+" and offset: "+a);return{offset:a,time:s/c}}else{r.nextSample=l;o.i("MP4Box","Seeking to non-RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(e)+" and offset: "+a);return{offset:f,time:e}}};f.prototype.seek=function(e,t){var r=this.inputIsoFile.moov;var n;var i;var a;var s={offset:Infinity,time:Infinity};if(!this.inputIsoFile.moov){throw"Cannot seek: moov not received!"}else{for(a=0;a<r.traks.length;a++){n=r.traks[a];i=this.seekTrack(e,t,n);if(i.offset<s.offset){s.offset=i.offset}if(i.time<s.time){s.time=i.time}}if(s.offset===Infinity){s={offset:this.inputIsoFile.nextParsePosition,time:0}}else{var f=this.inputIsoFile.findPosition(true,s.offset);if(f!==-1){s.offset=this.inputIsoFile.findEndContiguousBuf(f)}}o.i("MP4Box","Seeking at time "+o.getDurationString(s.time,1)+" needs a buffer with a fileStart position of "+s.offset);return s}}},{"./DataStream":223,"./box":224,"./isofile":226,"./log":227}],229:[function(e,t,r){var n=e("debug")("videostream");var i=e("mp4box");var a=.01;var s=60;t.exports=function(e,t,r){r=r||{};var f=r.debugTrack||-1;var u=[];function l(){t.addEventListener("waiting",x);t.addEventListener("timeupdate",E)}l();var c=false;function p(e){c=true;t.removeEventListener("waiting",x);t.removeEventListener("timeupdate",E);if(h.readyState==="open")h.endOfStream(e)}function d(e){var r=e.buffer.buffered;var i=t.currentTime;var o=-1;for(var f=0;f<r.length;f++){var u=r.start(f);var l=r.end(f)+a;if(u>i){break}else if(o>=0||i<=l){o=l}}var c=o-i;if(c<0)c=0;n("Buffer length: %f",c);return c<=s}var h=new MediaSource;h.addEventListener("sourceopen",function(){w(0)});t.src=window.URL.createObjectURL(h);var m=new i;m.onError=function(e){n("MP4Box error: %s",e.message);if(b){b()}if(h.readyState==="open"){p("decode")}};var v=false;var g={};m.onReady=function(e){n("MP4 info: %o",e);e.tracks.forEach(function(e){var t;if(e.video){t="video/mp4"}else if(e.audio){t="audio/mp4"}else{return}t+='; codecs="'+e.codec+'"';if(MediaSource.isTypeSupported(t)){var r=h.addSourceBuffer(t);var n={buffer:r,arrayBuffers:[],meta:e,ended:false};r.addEventListener("updateend",A.bind(null,n));m.setSegmentOptions(e.id,null,{nbSamples:e.video?1:100});g[e.id]=n}});if(Object.keys(g).length===0){p("decode");return}var t=m.initializeSegmentation();t.forEach(function(e){S(g[e.id],e.buffer);if(e.id===f){o("init-track-"+f+".mp4",[e.buffer]);u.push(e.buffer)}});v=true};m.onSegment=function(e,t,r,n){var i=g[e];S(i,r,n===i.meta.nb_samples);if(e===f&&u){u.push(r);if(n>1e3){o("track-"+f+".mp4",u);u=null}}};var y;var _=null;var b=null;function w(t){if(t===e.length){m.flush();return}if(_&&t===y){var r=_;setTimeout(function(){if(_===r)_.resume()});return}if(_){_.destroy();b()}y=t;var i={start:y,end:e.length-1};_=e.createReadStream(i);function a(e){_.pause();var t=e.toArrayBuffer();t.fileStart=y;y+=t.byteLength;var r;try{r=m.appendBuffer(t)}catch(i){n("MP4Box threw exception: %s",i.message);if(h.readyState==="open"){p("decode")}_.destroy();b();return}w(r)}_.on("data",a);function s(){b();w(y)}_.on("end",s);function o(e){n("Stream error: %s",e.message);if(h.readyState==="open"){p("network")}}_.on("error",o);b=function(){_.removeListener("data",a);_.removeListener("end",s);_.removeListener("error",o);_=null;b=null}}function x(){if(v){k(t.currentTime)}}function k(e){if(c)l();var t=m.seek(e,true);n("Seeking to time: %d",e);n("Seeked file offset: %d",t.offset);w(t.offset)}function S(e,t,r){e.arrayBuffers.push({buffer:t,ended:r||false});A(e)}function E(){Object.keys(g).forEach(function(e){var t=g[e];if(t.blocked){A(t)}})}function A(e){if(e.buffer.updating)return;e.blocked=!d(e);if(e.blocked)return;if(e.arrayBuffers.length===0)return;var t=e.arrayBuffers.shift();var r=false;try{e.buffer.appendBuffer(t.buffer);e.ended=t.ended;r=true}catch(i){n("SourceBuffer error: %s",i.message);p("decode");return}if(r){U()}}function U(){if(h.readyState!=="open"){return}var e=Object.keys(g).every(function(e){var t=g[e];return t.ended&&!t.buffer.updating});if(e){p()}}};function o(e,t){var r=new Blob(t);var n=URL.createObjectURL(r);var i=document.createElement("a");i.setAttribute("href",n);i.setAttribute("download",e);i.click()}},{debug:202,mp4box:228}],230:[function(e,t,r){arguments[4][14][0].apply(r,arguments)},{dup:14}],231:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.56.0",author:{name:"Feross Aboukhadijeh",email:"feross@feross.org",url:"http://feross.org/"},bin:{webtorrent:"./bin/cmd.js"},browser:{"./lib/fs-storage":false,"./lib/server":false,"bittorrent-dht/client":false,"load-ip-set":false,ut_pex:false},bugs:{url:"https://github.com/feross/webtorrent/issues"},dependencies:{"addr-to-ip-port":"^1.0.1",bitfield:"^1.0.2","bittorrent-dht":"^3.0.0","bittorrent-swarm":"^5.0.0","block-stream2":"^1.0.0",clivas:"^0.2.0","create-torrent":"^3.4.0",debug:"^2.1.0",dezalgo:"^1.0.1","end-of-stream":"^1.0.0",executable:"^1.1.0",hat:"0.0.3",inherits:"^2.0.1",inquirer:"^0.8.0","load-ip-set":"^1.0.3",mime:"^1.2.11",minimist:"^1.1.0",mkdirp:"^0.5.0",moment:"^2.8.3",multistream:"^1.4.2","network-address":"^1.0.0",once:"^1.3.1","parse-torrent":"^5.1.0","pretty-bytes":"^2.0.1",pump:"^1.0.0","random-access-file":"^0.3.1","random-iterate":"^1.0.1","range-parser":"^1.0.2","re-emitter":"^1.0.0",rimraf:"^2.2.5","run-parallel":"^1.0.0","simple-sha1":"^2.0.0",speedometer:"^0.1.2",thunky:"^0.1.0","torrent-discovery":"^3.0.0",uniq:"^1.0.1",ut_metadata:"^2.1.0",ut_pex:"^1.0.1",videostream:"^1.1.4","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"},devDependencies:{"bittorrent-tracker":"^6.0.0",brfs:"^1.2.0",browserify:"^11.0.0",finalhandler:"^0.4.0","run-auto":"^1.0.0","serve-static":"^1.9.3","simple-get":"^1.0.0",
-standard:"^4.0.1",tape:"^4.0.0","uglify-js":"^2.4.15",zelda:"^2.0.0",zuul:"^3.0.0"},homepage:"http://webtorrent.io",keywords:["torrent","bittorrent","bittorrent client","streaming","download","webrtc","webrtc data","webtorrent","mad science"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3","chromecast-js":"^0.1.4",nodebmc:"0.0.5"},repository:{type:"git",url:"git://github.com/feross/webtorrent.git"},scripts:{build:"browserify -s WebTorrent -e ./ | uglifyjs -m > webtorrent.min.js","build-debug":"browserify -s WebTorrent -e ./ > webtorrent.debug.js",size:"npm run build && cat webtorrent.min.js | gzip | wc -c",test:"standard && node ./bin/test.js","test-browser":"zuul -- test/basic.js","test-browser-local":"zuul --local -- test/basic.js","test-node":"tape test/*.js"}}},{}],232:[function(e,t,r){(function(r,n,i){t.exports=k;var a=e("create-torrent");var s=e("debug")("webtorrent");var o=e("bittorrent-dht/client");var f=e("events").EventEmitter;var u=e("xtend");var l=e("hat");var c=e("inherits");var p=e("load-ip-set");var d=e("run-parallel");var h=e("parse-torrent");var m=e("speedometer");var v=e("zero-fill");var g=e("path");var y=e("./lib/fs-storage");var _=e("./lib/storage");var b=e("./lib/torrent");c(k,f);var w=e("./package.json").version;var x=w.match(/([0-9]+)/g).slice(0,2).map(v(2)).join("");function k(e){var t=this;if(!(t instanceof k))return new k(e);if(!e)e={};f.call(t);if(!s.enabled)t.setMaxListeners(0);t.destroyed=false;t.torrentPort=e.torrentPort||0;t.tracker=e.tracker!==undefined?e.tracker:true;t._rtcConfig=e.rtcConfig;t._wrtc=e.wrtc||n.WRTC;t.torrents=[];t.downloadSpeed=m();t.uploadSpeed=m();t.storage=typeof e.storage==="function"?e.storage:e.storage!==false&&typeof y==="function"?y:_;t.peerId=e.peerId===undefined?new i("-WW"+x+"-"+l(48),"utf8"):typeof e.peerId==="string"?new i(e.peerId,"hex"):e.peerId;t.peerIdHex=t.peerId.toString("hex");t.nodeId=e.nodeId===undefined?new i(l(160),"hex"):typeof e.nodeId==="string"?new i(e.nodeId,"hex"):e.nodeId;t.nodeIdHex=t.nodeId.toString("hex");if(e.dht!==false&&typeof o==="function"){t.dht=new o(u({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}s("new webtorrent (peerId %s, nodeId %s)",t.peerIdHex,t.nodeIdHex);if(typeof p==="function"){p(e.blocklist,{headers:{"user-agent":"WebTorrent (http://webtorrent.io)"}},function(e,r){if(e)return t.error("failed to load blocklist: "+e.message);t.blocked=r;a()})}else r.nextTick(a);function a(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(k.prototype,"ratio",{get:function(){var e=this;var t=e.torrents.reduce(function(e,t){return e+t.uploaded},0);var r=e.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return t/r}});k.prototype.get=function(e){var t=this;if(e instanceof b)return e;var r;try{r=h(e)}catch(n){return null}if(!r.infoHash)throw new Error("Invalid torrent identifier");for(var i=0,a=t.torrents.length;i<a;i++){var s=t.torrents[i];if(s.infoHash===r.infoHash)return s}return 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o(e){if(r.isBuffer(e)){e=n.decode(e)}c(e.info,"info");c(e.info["name.utf-8"]||e.info.name,"info.name");c(e.info["piece length"],"info['piece length']");c(e.info.pieces,"info.pieces");if(e.info.files){e.info.files.forEach(function(e){c(typeof e.length==="number","info.files[0].length");c(e["path.utf-8"]||e.path,"info.files[0].path")})}else{c(typeof e.info.length==="number","info.length")}var t={};t.info=e.info;t.infoBuffer=n.encode(e.info);t.infoHash=a.sync(t.infoBuffer);t.name=(e.info["name.utf-8"]||e.info.name).toString();if(e.info.private!==undefined)t.private=!!e.info.private;if(e["creation date"])t.created=new Date(e["creation date"]*1e3);if(e["created by"])t.createdBy=e["created by"].toString();if(r.isBuffer(e.comment))t.comment=e.comment.toString();t.announce=[];if(e["announce-list"]){e["announce-list"].forEach(function(e){e.forEach(function(e){t.announce.push(e.toString())})})}else if(e.announce){t.announce.push(e.announce.toString())}s(t.announce);if(r.isBuffer(e["url-list"])){e["url-list"]=e["url-list"].length>0?[e["url-list"]]:[]}t.urlList=(e["url-list"]||[]).map(function(e){return e.toString()});var o=e.info.files||[e.info];t.files=o.map(function(e,r){var n=[].concat(t.name,e["path.utf-8"]||e.path||[]).map(function(e){return e.toString()});return{path:i.join.apply(null,[i.sep].concat(n)).slice(1),name:n[n.length-1],length:e.length,offset:o.slice(0,r).reduce(u,0)}});t.length=o.reduce(u,0);var f=t.files[t.files.length-1];t.pieceLength=e.info["piece length"];t.lastPieceLength=(f.offset+f.length)%t.pieceLength||t.pieceLength;t.pieces=l(e.info.pieces);return t}function f(e){var t={info:e.info};t["announce-list"]=e.announce.map(function(e){if(!t.announce)t.announce=e;e=new r(e,"utf8");return[e]});if(e.created){t["creation date"]=e.created.getTime()/1e3|0}if(e.urlList){t["url-list"]=e.urlList}return n.encode(t)}function u(e,t){return e+t.length}function l(e){var t=[];for(var r=0;r<e.length;r+=20){t.push(e.slice(r,r+20).toString("hex"))}return t}function c(e,t){if(!e)throw new Error("Torrent is missing required field: "+t)}}).call(this,e("buffer").Buffer)},{bencode:87,buffer:164,path:171,"simple-sha1":91,uniq:93}],87:[function(e,t,r){arguments[4][3][0].apply(r,arguments)},{"./lib/decode":88,"./lib/encode":90,dup:3}],88:[function(e,t,r){arguments[4][4][0].apply(r,arguments)},{"./dict":89,buffer:164,dup:4}],89:[function(e,t,r){arguments[4][5][0].apply(r,arguments)},{dup:5}],90:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:164,dup:6}],91:[function(e,t,r){
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r,i,a;if(Array.isArray(e)){r=[];i=e.length}else{a=Object.keys(e);r={};i=a.length}function s(e,n,a){r[e]=a;if(--i===0||n){if(t)t(n,r);t=null}}if(!i){if(t)t(null,r);t=null}else if(a){a.forEach(function(t){e[t](s.bind(undefined,t))})}else{e.forEach(function(e,t){e(s.bind(undefined,t))})}}},{dezalgo:101}],101:[function(e,t,r){arguments[4][23][0].apply(r,arguments)},{asap:102,dup:23,wrappy:104}],102:[function(e,t,r){arguments[4][24][0].apply(r,arguments)},{"./raw":103,dup:24}],103:[function(e,t,r){arguments[4][25][0].apply(r,arguments)},{dup:25}],104:[function(e,t,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],105:[function(e,t,r){(function(r){t.exports=u;var n=e("http");var i=e("https");var a=e("once");var s=e("url");var o=e("unzip-response");var f=e("object-assign");function u(e,t){e=typeof e==="string"?{url:e}:f({},e);t=a(t);if(e.url)l(e);if(e.headers==null)e.headers={};if(e.maxRedirects==null)e.maxRedirects=10;var r=e.body;e.body=undefined;if(r&&!e.method)e.method="POST";var s=Object.keys(e.headers).some(function(e){return e.toLowerCase()==="accept-encoding"});if(!s)e.headers["accept-encoding"]="gzip, deflate";var c=e.protocol==="https:"?i:n;var p=c.request(e,function(r){if(r.statusCode>=300&&r.statusCode<400&&"location"in r.headers){e.url=r.headers.location;l(e);r.resume();e.maxRedirects-=1;if(e.maxRedirects>0)u(e,t);else t(new Error("too many redirects"));return}t(null,typeof o==="function"?o(r):r)});p.on("error",t);p.end(r);return p}t.exports.concat=function(e,t){return u(e,function(e,n){if(e)return t(e);var i=[];n.on("data",function(e){i.push(e)});n.on("end",function(){t(null,r.concat(i),n)})})};["get","post","put","patch","head","delete"].forEach(function(e){t.exports[e]=function(t,r){if(typeof t==="string")t={url:t};t.method=e.toUpperCase();return u(t,r)}});function l(e){var t=s.parse(e.url);if(t.hostname)e.hostname=t.hostname;if(t.port)e.port=t.port;if(t.protocol)e.protocol=t.protocol;e.path=t.path;delete e.url}}).call(this,e("buffer").Buffer)},{buffer:164,http:191,https:169,"object-assign":106,once:108,"unzip-response":163,url:201}],106:[function(e,t,r){"use strict";var n=Object.prototype.propertyIsEnumerable;function i(e){if(e==null){throw new TypeError("Object.assign cannot be called with null or undefined")}return Object(e)}function a(e){var t=Object.getOwnPropertyNames(e);if(Object.getOwnPropertySymbols){t=t.concat(Object.getOwnPropertySymbols(e))}return t.filter(function(t){return n.call(e,t)})}t.exports=Object.assign||function(e,t){var r;var n;var s=i(e);for(var o=1;o<arguments.length;o++){r=arguments[o];n=a(Object(r));for(var f=0;f<n.length;f++){s[n[f]]=r[n[f]]}}return s}},{}],107:[function(e,t,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],108:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40,wrappy:107}],109:[function(e,t,r){(function(r){t.exports=c;var n=e("debug")("simple-peer");var i=e("get-browser-rtc");var a=e("hat");var s=e("inherits");var o=e("is-typedarray");var f=e("once");var u=e("stream");var l=e("typedarray-to-buffer");s(c,u.Duplex);function c(e){var t=this;if(!(t instanceof c))return new c(e);t._debug("new peer %o",e);if(!e)e={};e.allowHalfOpen=false;if(e.highWaterMark==null)e.highWaterMark=1024*1024;u.Duplex.call(t,e);t.initiator=e.initiator||false;t.channelConfig=e.channelConfig||c.channelConfig;t.channelName=e.channelName||a(160);if(!e.initiator)t.channelName=null;t.config=e.config||c.config;t.constraints=e.constraints||c.constraints;t.reconnectTimer=e.reconnectTimer||0;t.sdpTransform=e.sdpTransform||function(e){return e};t.stream=e.stream||false;t.trickle=e.trickle!==undefined?e.trickle:true;t.destroyed=false;t.connected=false;t.remoteAddress=undefined;t.remoteFamily=undefined;t.remotePort=undefined;t.localAddress=undefined;t.localPort=undefined;t._wrtc=e.wrtc||i();if(!t._wrtc){if(typeof window==="undefined"){throw new Error("No WebRTC support: Specify `opts.wrtc` option in this environment")}else{throw new Error("No WebRTC support: Not a supported browser")}}t._maxBufferedAmount=e.highWaterMark;t._pcReady=false;t._channelReady=false;t._iceComplete=false;t._channel=null;t._pendingCandidates=[];t._chunk=null;t._cb=null;t._interval=null;t._reconnectTimeout=null;t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints);t._pc.oniceconnectionstatechange=t._onIceConnectionStateChange.bind(t);t._pc.onsignalingstatechange=t._onSignalingStateChange.bind(t);t._pc.onicecandidate=t._onIceCandidate.bind(t);if(t.stream)t._pc.addStream(t.stream);t._pc.onaddstream=t._onAddStream.bind(t);if(t.initiator){t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)});t._pc.onnegotiationneeded=f(t._createOffer.bind(t));if(typeof window==="undefined"||!window.webkitRTCPeerConnection){t._pc.onnegotiationneeded()}}else{t._pc.ondatachannel=t._setupData.bind(t)}t.on("finish",function(){if(t.connected){setTimeout(function(){t._destroy()},100)}else{t.once("connect",function(){setTimeout(function(){t._destroy()},100)})}})}c.WEBRTC_SUPPORT=!!i();c.config={iceServers:[{url:"stun:23.21.150.121",urls:"stun:23.21.150.121"}]};c.constraints={};c.channelConfig={};Object.defineProperty(c.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}});c.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}};c.prototype.signal=function(e){var t=this;if(t.destroyed)throw new Error("cannot signal after peer is destroyed");if(typeof e==="string"){try{e=JSON.parse(e)}catch(r){e={}}}t._debug("signal()");function n(e){try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e),p,t._onError.bind(t))}catch(r){t._destroy(new Error("error adding candidate: "+r.message))}}if(e.sdp){t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){if(t.destroyed)return;if(t._pc.remoteDescription.type==="offer")t._createAnswer();t._pendingCandidates.forEach(n);t._pendingCandidates=[]},t._onError.bind(t))}if(e.candidate){if(t._pc.remoteDescription)n(e.candidate);else t._pendingCandidates.push(e.candidate)}if(!e.sdp&&!e.candidate){t._destroy(new Error("signal() called with invalid signal data"))}};c.prototype.send=function(e){var t=this;if(!o.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}if(r.isBuffer(e)&&!o.strict(e)){e=new Uint8Array(e)}var n=e.length||e.byteLength||e.size;t._channel.send(e);t._debug("write: %d bytes",n)};c.prototype.destroy=function(e){var t=this;t._destroy(null,e)};c.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);r._debug("destroy (error: %s)",e&&e.message);r.readable=r.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.destroyed=true;r.connected=false;r._pcReady=false;r._channelReady=false;r._chunk=null;r._cb=null;clearInterval(r._interval);clearTimeout(r._reconnectTimeout);if(r._pc){try{r._pc.close()}catch(e){}r._pc.oniceconnectionstatechange=null;r._pc.onsignalingstatechange=null;r._pc.onicecandidate=null}if(r._channel){try{r._channel.close()}catch(e){}r._channel.onmessage=null;r._channel.onopen=null;r._channel.onclose=null}r._pc=null;r._channel=null;if(e)r.emit("error",e);r.emit("close")};c.prototype._setupData=function(e){var t=this;t._channel=e.channel;t.channelName=t._channel.label;t._channel.binaryType="arraybuffer";t._channel.onmessage=t._onChannelMessage.bind(t);t._channel.onopen=t._onChannelOpen.bind(t);t._channel.onclose=t._onChannelClose.bind(t)};c.prototype._read=function(){};c.prototype._write=function(e,t,r){var n=this;if(n.destroyed)return r(new Error("cannot write after peer is destroyed"));if(n.connected){try{n.send(e)}catch(i){return n._onError(i)}if(n._channel.bufferedAmount>n._maxBufferedAmount){n._debug("start backpressure: bufferedAmount %d",n._channel.bufferedAmount);n._cb=r}else{r(null)}}else{n._debug("write before connect");n._chunk=e;n._cb=r}};c.prototype._createOffer=function(){var e=this;if(e.destroyed)return;e._pc.createOffer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.offerConstraints)};c.prototype._createAnswer=function(){var e=this;if(e.destroyed)return;e._pc.createAnswer(function(t){if(e.destroyed)return;t.sdp=e.sdpTransform(t.sdp);e._pc.setLocalDescription(t,p,e._onError.bind(e));var r=function(){var r=e._pc.localDescription||t;e._debug("signal");e.emit("signal",{type:r.type,sdp:r.sdp})};if(e.trickle||e._iceComplete)r();else e.once("_iceComplete",r)},e._onError.bind(e),e.answerConstraints)};c.prototype._onIceConnectionStateChange=function(){var e=this;if(e.destroyed)return;var t=e._pc.iceGatheringState;var r=e._pc.iceConnectionState;e._debug("iceConnectionStateChange %s %s",t,r);e.emit("iceConnectionStateChange",t,r);if(r==="connected"||r==="completed"){clearTimeout(e._reconnectTimeout);e._pcReady=true;e._maybeReady()}if(r==="disconnected"){if(e.reconnectTimer){clearTimeout(e._reconnectTimeout);e._reconnectTimeout=setTimeout(function(){e._destroy()},e.reconnectTimer)}else{e._destroy()}}if(r==="closed"){e._destroy()}};c.prototype._maybeReady=function(){var e=this;e._debug("maybeReady pc %s channel %s",e._pcReady,e._channelReady);if(e.connected||e._connecting||!e._pcReady||!e._channelReady)return;e._connecting=true;if(typeof window!=="undefined"&&!!window.mozRTCPeerConnection){e._pc.getStats(null,function(e){var r=[];e.forEach(function(e){r.push(e)});t(r)},e._onError.bind(e))}else{e._pc.getStats(function(e){var r=[];e.result().forEach(function(e){var t={};e.names().forEach(function(r){t[r]=e.stat(r)});t.id=e.id;t.type=e.type;t.timestamp=e.timestamp;r.push(t)});t(r)})}function t(t){t.forEach(function(t){if(t.type==="remotecandidate"){e.remoteAddress=t.ipAddress;e.remotePort=Number(t.portNumber);e.remoteFamily="IPv4";e._debug("connect remote: %s:%s (%s)",e.remoteAddress,e.remotePort,e.remoteFamily)}else if(t.type==="localcandidate"&&t.candidateType==="host"){e.localAddress=t.ipAddress;e.localPort=Number(t.portNumber);e._debug("connect local: %s:%s",e.localAddress,e.localPort)}});e._connecting=false;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(r){return e._onError(r)}e._chunk=null;e._debug('sent chunk from "write before connect"');var n=e._cb;e._cb=null;n(null)}e._interval=setInterval(function(){if(!e._cb||!e._channel||e._channel.bufferedAmount>e._maxBufferedAmount)return;e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref();e._debug("connect");e.emit("connect")}};c.prototype._onSignalingStateChange=function(){var e=this;if(e.destroyed)return;e._debug("signalingStateChange %s",e._pc.signalingState);e.emit("signalingStateChange",e._pc.signalingState)};c.prototype._onIceCandidate=function(e){var t=this;if(t.destroyed)return;if(e.candidate&&t.trickle){t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}})}else if(!e.candidate){t._iceComplete=true;t.emit("_iceComplete")}};c.prototype._onChannelMessage=function(e){var t=this;if(t.destroyed)return;var r=e.data;t._debug("read: %d bytes",r.byteLength||r.length);if(r instanceof ArrayBuffer){r=l(new Uint8Array(r));t.push(r)}else{try{r=JSON.parse(r)}catch(n){}t.emit("data",r)}};c.prototype._onChannelOpen=function(){var e=this;if(e.connected||e.destroyed)return;e._debug("on channel open");e._channelReady=true;e._maybeReady()};c.prototype._onChannelClose=function(){var e=this;if(e.destroyed)return;e._debug("on channel close");e._destroy()};c.prototype._onAddStream=function(e){var t=this;if(t.destroyed)return;t._debug("on add stream");t.emit("stream",e.stream)};c.prototype._onError=function(e){var t=this;if(t.destroyed)return;t._debug("error %s",e.message||e);t._destroy(e)};c.prototype._debug=function(){var e=this;var t=[].slice.call(arguments);var r=e.channelName&&e.channelName.substring(0,7);t[0]="["+r+"] "+t[0];n.apply(null,t)};function p(){}}).call(this,e("buffer").Buffer)},{buffer:164,debug:110,"get-browser-rtc":113,hat:114,inherits:115,"is-typedarray":116,once:118,stream:190,"typedarray-to-buffer":131}],110:[function(e,t,r){arguments[4][8][0].apply(r,arguments)},{"./debug":111,dup:8}],111:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{dup:9,ms:112}],112:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{dup:10}],113:[function(e,t,r){t.exports=function n(){if(typeof window==="undefined")return null;var e={RTCPeerConnection:window.mozRTCPeerConnection||window.RTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.mozRTCSessionDescription||window.RTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.mozRTCIceCandidate||window.RTCIceCandidate||window.webkitRTCIceCandidate};if(!e.RTCPeerConnection)return null;return e}},{}],114:[function(e,t,r){arguments[4][11][0].apply(r,arguments)},{dup:11}],115:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],116:[function(e,t,r){arguments[4][66][0].apply(r,arguments)},{dup:66}],117:[function(e,t,r){arguments[4][26][0].apply(r,arguments)},{dup:26}],118:[function(e,t,r){arguments[4][40][0].apply(r,arguments)},{dup:40,wrappy:117}],119:[function(e,t,r){(function(r){t.exports=l;var n=e("debug")("simple-websocket");var i=e("inherits");var a=e("is-typedarray");var s=e("stream");var o=e("typedarray-to-buffer");var f=e("ws");var u=typeof window!=="undefined"?window.WebSocket:f;i(l,s.Duplex);function l(e,t){var r=this;if(!(r instanceof l))return new l(e,t);if(!t)t={};n("new websocket: %s %o",e,t);t.allowHalfOpen=false;if(t.highWaterMark==null)t.highWaterMark=1024*1024;s.Duplex.call(r,t);r.url=e;r.connected=false;r.destroyed=false;r._maxBufferedAmount=t.highWaterMark;r._chunk=null;r._cb=null;r._interval=null;r._ws=new u(r.url);r._ws.binaryType="arraybuffer";r._ws.onopen=r._onOpen.bind(r);r._ws.onmessage=r._onMessage.bind(r);r._ws.onclose=r._onClose.bind(r);r._ws.onerror=function(){r._onError(new Error("connection error to "+r.url))};r.on("finish",function(){if(r.connected){setTimeout(function(){r._destroy()},100)}else{r.once("connect",function(){setTimeout(function(){r._destroy()},100)})}})}l.prototype.send=function(e){var t=this;if(!a.strict(e)&&!(e instanceof ArrayBuffer)&&!r.isBuffer(e)&&typeof e!=="string"&&(typeof Blob==="undefined"||!(e instanceof Blob))){e=JSON.stringify(e)}var i=e.length||e.byteLength||e.size;t._ws.send(e);n("write: %d bytes",i)};l.prototype.destroy=function(e){var t=this;t._destroy(null,e)};l.prototype._destroy=function(e,t){var r=this;if(r.destroyed)return;if(t)r.once("close",t);n("destroy (error: %s)",e&&e.message);this.readable=this.writable=false;if(!r._readableState.ended)r.push(null);if(!r._writableState.finished)r.end();r.connected=false;r.destroyed=true;clearInterval(r._interval);r._interval=null;r._chunk=null;r._cb=null;if(r._ws){var i=r._ws;var a=function(){i.onclose=null;r.emit("close")};if(i.readyState===u.CLOSED){a()}else{try{i.onclose=a;i.close()}catch(e){a()}}i.onopen=null;i.onmessage=null;i.onerror=null}r._ws=null;if(e)r.emit("error",e)};l.prototype._read=function(){};l.prototype._write=function(e,t,r){var i=this;if(i.destroyed)return r(new Error("cannot write after socket is destroyed"));if(i.connected){try{i.send(e)}catch(a){return i._onError(a)}if(typeof f!=="function"&&i._ws.bufferedAmount>i._maxBufferedAmount){n("start backpressure: bufferedAmount %d",i._ws.bufferedAmount);i._cb=r}else{r(null)}}else{n("write before connect");i._chunk=e;i._cb=r}};l.prototype._onMessage=function(e){var t=this;if(t.destroyed)return;var i=e.data;n("read: %d bytes",i.byteLength||i.length);if(i instanceof ArrayBuffer){i=o(new Uint8Array(i));t.push(i)}else if(r.isBuffer(i)){t.push(i)}else{try{i=JSON.parse(i)}catch(a){}t.emit("data",i)}};l.prototype._onOpen=function(){var e=this;if(e.connected||e.destroyed)return;e.connected=true;if(e._chunk){try{e.send(e._chunk)}catch(t){return e._onError(t)}e._chunk=null;n('sent chunk from "write before connect"');var r=e._cb;e._cb=null;r(null)}if(typeof f!=="function"){e._interval=setInterval(function(){if(!e._cb||!e._ws||e._ws.bufferedAmount>e._maxBufferedAmount){return}n("ending backpressure: bufferedAmount %d",e._ws.bufferedAmount);var t=e._cb;e._cb=null;t(null)},150);if(e._interval.unref)e._interval.unref()}n("connect");e.emit("connect")};l.prototype._onClose=function(){var e=this;if(e.destroyed)return;n("on close");e._destroy()};l.prototype._onError=function(e){var t=this;if(t.destroyed)return;n("error: %s",e.message||e);t._destroy(e)}}).call(this,e("buffer").Buffer)},{buffer:164,debug:120,inherits:123,"is-typedarray":124,stream:190,"typedarray-to-buffer":131,ws:163}],120:[function(e,t,r){arguments[4][8][0].apply(r,arguments)},{"./debug":121,dup:8}],121:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{dup:9,ms:122}],122:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{dup:10}],123:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],124:[function(e,t,r){arguments[4][66][0].apply(r,arguments)},{dup:66}],125:[function(e,t,r){(function(r,n){t.exports=p;var i=e("debug")("torrent-discovery");var a=e("bittorrent-dht/client");var s=e("events").EventEmitter;var o=e("xtend/mutable");var f=e("inherits");var u=e("run-parallel");var l=e("re-emitter");var c=e("bittorrent-tracker/client");f(p,s);function p(e){var t=this;if(!(t instanceof p))return new p(e);s.call(t);o(t,{announce:[],dht:typeof a==="function",rtcConfig:null,peerId:null,port:0,tracker:true,wrtc:null},e);t.infoHash=null;t.infoHashHex=null;t.torrent=null;t._externalDHT=typeof t.dht==="object";t._performedDHTLookup=false;if(!t.peerId)throw new Error("peerId required");if(!r.browser&&!t.port)throw new Error("port required");if(t.dht)t._createDHT(t.dhtPort)}p.prototype.setTorrent=function(e){var t=this;if(!t.infoHash&&n.isBuffer(e)||typeof e==="string"){t.infoHash=typeof e==="string"?new n(e,"hex"):e}else if(!t.torrent&&e&&e.infoHash){t.torrent=e;t.infoHash=typeof e.infoHash==="string"?new n(e.infoHash,"hex"):e.infoHash}else{return}t.infoHashHex=t.infoHash.toString("hex");i("setTorrent %s",t.infoHashHex);if(t.tracker&&t.tracker!==true){t.tracker.torrentLength=e.length}else{t._createTracker()}if(t.dht){if(t.dht.ready)t._dhtLookupAndAnnounce();else t.dht.on("ready",t._dhtLookupAndAnnounce.bind(t))}};p.prototype.stop=function(e){var t=this;var r=[];if(t.tracker&&t.tracker!==true){t.tracker.stop();r.push(function(e){t.tracker.destroy(e)})}if(!t._externalDHT&&t.dht&&t.dht!==true){r.push(function(e){t.dht.destroy(e)})}u(r,e)};p.prototype._createDHT=function(e){var t=this;if(!t._externalDHT)t.dht=new a;l(t.dht,t,["error","warning"]);t.dht.on("peer",function(e,r){if(r===t.infoHashHex)t.emit("peer",e)});if(!t._externalDHT)t.dht.listen(e)};p.prototype._createTracker=function(){var e=this;if(!e.tracker)return;var t=e.torrent||{infoHash:e.infoHashHex,announce:e.announce};var r={rtcConfig:e.rtcConfig,wrtc:e.wrtc};e.tracker=new c(e.peerId,e.port,t,r);l(e.tracker,e,["peer","warning","error"]);e.tracker.on("update",function(t){e.emit("trackerAnnounce",t)});e.tracker.start()};p.prototype._dhtLookupAndAnnounce=function(){var e=this;if(e._performedDHTLookup)return;e._performedDHTLookup=true;i("dht lookup");e.dht.lookup(e.infoHash,function(t){if(t||!e.port)return;i("dht announce");e.dht.announce(e.infoHash,e.port,function(){i("dht announce complete");e.emit("dhtAnnounce")})})}}).call(this,e("_process"),e("buffer").Buffer)},{_process:172,"bittorrent-dht/client":163,"bittorrent-tracker/client":29,buffer:164,debug:126,events:168,inherits:129,"re-emitter":99,"run-parallel":100,"xtend/mutable":130}],126:[function(e,t,r){arguments[4][8][0].apply(r,arguments)},{"./debug":127,dup:8}],127:[function(e,t,r){arguments[4][9][0].apply(r,arguments)},{dup:9,ms:128}],128:[function(e,t,r){arguments[4][10][0].apply(r,arguments)},{dup:10}],129:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],130:[function(e,t,r){arguments[4][42][0].apply(r,arguments)},{dup:42}],131:[function(e,t,r){arguments[4][65][0].apply(r,arguments)},{buffer:164,dup:65,"is-typedarray":132}],132:[function(e,t,r){arguments[4][66][0].apply(r,arguments)},{dup:66}],133:[function(e,t,r){(function(r){var n=e("bencode");var i=e("bitfield");var a=e("events").EventEmitter;var s=e("inherits");var o=e("simple-sha1");var f=1e7;var u=1e3;var l=16*1024;t.exports=function(e){s(t,a);function t(t){a.call(this);this._wire=t;this._metadataComplete=false;this._metadataSize=null;this._remainingRejects=null;this._fetching=false;this._bitfield=new i(0,{grow:u});if(r.isBuffer(e)){this.setMetadata(e)}}t.prototype.name="ut_metadata";t.prototype.onHandshake=function(e,t,r){this._infoHash=e;this._infoHashHex=e.toString("hex")};t.prototype.onExtendedHandshake=function(e){if(!e.m||!e.m.ut_metadata){return this.emit("warning",new Error("Peer does not support ut_metadata"))}if(!e.metadata_size){return this.emit("warning",new Error("Peer does not have metadata"))}if(e.metadata_size>f){return this.emit("warning",new Error("Peer gave maliciously large metadata size"))}this._metadataSize=e.metadata_size;this._numPieces=Math.ceil(this._metadataSize/l);this._remainingRejects=this._numPieces*2;if(this._fetching){this._requestPieces()}};t.prototype.onMessage=function(e){var t,r;try{var i=e.toString();var a=i.indexOf("ee")+2;t=n.decode(i.substring(0,a));r=e.slice(a)}catch(s){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,r,t.total_size);break;case 2:this._onReject(t.piece);break}};t.prototype.fetch=function(){if(this._metadataComplete){return}this._fetching=true;if(this._metadataSize){this._requestPieces()}};t.prototype.cancel=function(){this._fetching=false};t.prototype.setMetadata=function(e){if(this._metadataComplete)return true;try{var t=n.decode(e).info;if(t){e=n.encode(t)}}catch(r){}if(this._infoHashHex&&this._infoHashHex!==o.sync(e)){return false}this.cancel();this.metadata=e;this._metadataComplete=true;this._metadataSize=this.metadata.length;this._wire.extendedHandshake.metadata_size=this._metadataSize;this.emit("metadata",n.encode({info:n.decode(this.metadata)}));return true};t.prototype._send=function(e,t){var i=n.encode(e);if(r.isBuffer(t)){i=r.concat([i,t])}this._wire.extended("ut_metadata",i)};t.prototype._request=function(e){this._send({msg_type:0,piece:e})};t.prototype._data=function(e,t,r){var n={msg_type:1,piece:e};if(typeof r==="number"){n.total_size=r}this._send(n,t)};t.prototype._reject=function(e){this._send({msg_type:2,piece:e})};t.prototype._onRequest=function(e){if(!this._metadataComplete){this._reject(e);return}var t=e*l;var r=t+l;if(r>this._metadataSize){r=this._metadataSize}var n=this.metadata.slice(t,r);this._data(e,n,this._metadataSize)};t.prototype._onData=function(e,t,r){if(t.length>l){return}t.copy(this.metadata,e*l);this._bitfield.set(e);this._checkDone()};t.prototype._onReject=function(e){if(this._remainingRejects>0&&this._fetching){this._request(e);this._remainingRejects-=1}else{this.emit("warning",new Error('Peer sent "reject" too much'))}};t.prototype._requestPieces=function(){this.metadata=new r(this._metadataSize);for(var e=0;e<this._numPieces;e++){this._request(e)}};t.prototype._checkDone=function(){var e=true;for(var t=0;t<this._numPieces;t++){if(!this._bitfield.get(t)){e=false;break}}if(!e)return;var r=this.setMetadata(this.metadata);if(!r){this._failedMetadata()}};t.prototype._failedMetadata=function(){this._bitfield=new i(0,{grow:u});this._remainingRejects-=this._numPieces;if(this._remainingRejects>0){this._requestPieces()}else{this.emit("warning",new Error("Peer sent invalid metadata"))}};return t}}).call(this,e("buffer").Buffer)},{bencode:134,bitfield:138,buffer:164,events:168,inherits:139,"simple-sha1":140}],134:[function(e,t,r){arguments[4][3][0].apply(r,arguments)},{"./lib/decode":135,"./lib/encode":137,dup:3}],135:[function(e,t,r){arguments[4][4][0].apply(r,arguments)},{"./dict":136,buffer:164,dup:4}],136:[function(e,t,r){arguments[4][5][0].apply(r,arguments)},{dup:5}],137:[function(e,t,r){arguments[4][6][0].apply(r,arguments)},{buffer:164,dup:6}],138:[function(e,t,r){arguments[4][7][0].apply(r,arguments)},{buffer:164,dup:7}],139:[function(e,t,r){arguments[4][12][0].apply(r,arguments)},{dup:12}],140:[function(e,t,r){arguments[4][77][0].apply(r,arguments)},{dup:77,rusha:141}],141:[function(e,t,r){arguments[4][78][0].apply(r,arguments)},{dup:78}],142:[function(e,t,r){var n=e("debug")("webtorrent:append-to");var i=e("dezalgo");var a=e("./media-stream");var s=e("path");var o=e("videostream");var f=[".mp4",".m4v",".m4a"];var u=[".mp4",".m4v",".webm"];var l=[".m4a",".mp3"];var c=u.concat(l);var p=[".wav",".aac",".ogg",".oga"];var d=[".jpg",".png",".gif",".bmp"];var h=[".css",".html",".js",".md",".pdf",".txt"];var m=typeof window!=="undefined"&&window.MediaSource;t.exports=function v(e,t,r){r=i(r||function(){});var l;var v=s.extname(e.name).toLowerCase();var g=0;if(t&&(t.nodeName==="VIDEO"||t.nodeName==="AUDIO")){throw new Error("Invalid video/audio node argument. Argument must be root element that "+"video/audio tag will be appended to.")}if(c.indexOf(v)>=0)y();else if(p.indexOf(v)>=0)b();else if(d.indexOf(v)>=0)w();else if(h.indexOf(v)>=0)x();else r(new Error('Unsupported file type "'+v+'": Cannot append to DOM'));function y(){if(!m){return r(new Error("Video/audio streaming is not supported in your browser. You can still share "+"or download "+e.name+" (once it's fully downloaded). Use Chrome for "+"MediaSource support."))}var i=u.indexOf(v)>=0?"video":"audio";if(f.indexOf(v)>=0)s();else c();function s(){n("Use `videostream` package for "+e.name);y();l.addEventListener("error",d);l.addEventListener("playing",_);o(e,l)}function c(){n("Use MediaSource API for "+e.name);y();l.addEventListener("error",h);l.addEventListener("playing",_);e.createReadStream().pipe(new a(l,{extname:v}));if(g)l.currentTime=g}function p(){n("Use Blob URL for "+e.name);y();l.addEventListener("error",k);l.addEventListener("playing",_);e.getBlobURL(function(e,t){if(e)return k(e);l.src=t;if(g)l.currentTime=g})}function d(e){n("videostream error: fallback to MediaSource API: %o",e.message||e);l.removeEventListener("error",d);l.removeEventListener("playing",_);c()}function h(e){n("MediaSource API error: fallback to Blob URL: %o",e.message||e);l.removeEventListener("error",h);l.removeEventListener("playing",_);p()}function y(e){if(!l){l=document.createElement(i);l.controls=true;l.autoplay=true;l.play();l.addEventListener("progress",function(){g=l.currentTime});t.appendChild(l)}}}function _(){l.removeEventListener("playing",_);r(null,l)}function b(){l=document.createElement("audio");l.controls=true;l.autoplay=true;t.appendChild(l);e.getBlobURL(function(e,t){if(e)return k(e);l.addEventListener("error",k);l.addEventListener("playing",_);l.src=t;l.play()})}function w(){e.getBlobURL(function(n,i){if(n)return k(n);l=document.createElement("img");l.src=i;l.alt=e.name;t.appendChild(l);r(null)})}function x(){e.getBlobURL(function(e,n){if(e)return k(e);l=document.createElement("iframe");l.src=n;if(v!==".pdf")l.sandbox="allow-forms allow-scripts";t.appendChild(l);r(null)})}function k(t){if(l)l.remove();t.message='Error appending file "'+e.name+'" to DOM: '+t.message;n(t.message);if(r)r(t)}}},{"./media-stream":144,debug:202,dezalgo:205,path:171,videostream:229}],143:[function(e,t,r){t.exports=s;var n=e("debug")("webtorrent:file-stream");var i=e("inherits");var a=e("stream");i(s,a.Readable);function s(e,t){var r=this;if(!(r instanceof s))return new s(e,t);a.Readable.call(r,t);n("new filestream %s",JSON.stringify(t));if(!t)t={};if(!t.start)t.start=0;if(!t.end)t.end=e.length-1;r.destroyed=false;r.length=t.end-t.start+1;var i=t.start+e.offset;var o=t.pieceLength;r.startPiece=i/o|0;r.endPiece=(t.end+e.offset)/o|0;r._storage=e.storage;r._piece=r.startPiece;r._missing=r.length;r._reading=false;r._notifying=false;r._criticalLength=Math.min(1024*1024/o|0,2);r._offset=i-r.startPiece*o}s.prototype._read=function(){var e=this;n("_read");if(e._reading)return;e._reading=true;e.notify()};s.prototype.notify=function(){var e=this;n("notify");if(!e._reading||e._missing===0)return;if(!e._storage.bitfield.get(e._piece)){return e._storage.emit("critical",e._piece,e._piece+e._criticalLength)}if(e._notifying)return;e._notifying=true;var t=e._piece;e._storage.read(e._piece++,function(r,i){e._notifying=false;if(e.destroyed)return;if(r){e._storage.emit("error",r);return e.destroy(r)}n("read %s (length %s) (err %s)",t,i.length,r&&r.message);if(e._offset){i=i.slice(e._offset);e._offset=0}if(e._missing<i.length){i=i.slice(0,e._missing)}e._missing-=i.length;n("pushing buffer of length %s",i.length);e._reading=false;e.push(i);if(e._missing===0)e.push(null)})};s.prototype.destroy=function(){var e=this;if(e.destroyed)return;e.destroyed=true;e._storage.emit("deselect",e.startPiece,e.endPiece,true)}},{debug:202,inherits:211,stream:190}],144:[function(e,t,r){t.exports=o;var n=e("debug")("webtorrent:media-source-stream");var i=e("inherits");var a=e("stream");var s=typeof window!=="undefined"&&window.MediaSource;i(o,a.Writable);function o(e,t){var r=this;if(!(r instanceof o))return new o(e,t);a.Writable.call(r,t);if(!s)throw new Error("web browser lacks MediaSource support");if(!t)t={};n("new MediaSourceStream %s %s",e,JSON.stringify(t));r._elem=e;
+r._mediaSource=new s;r._sourceBuffer=null;r._cb=null;r._type=t.type||f(t.extname);if(!r._type)throw new Error("missing `opts.type` or `opts.extname` options");r._elem.src=window.URL.createObjectURL(r._mediaSource);r._mediaSource.addEventListener("sourceopen",function(){if(s.isTypeSupported(r._type)){r._sourceBuffer=r._mediaSource.addSourceBuffer(r._type);r._sourceBuffer.addEventListener("updateend",r._flow.bind(r));r._flow()}else{r._mediaSource.endOfStream("decode")}});r.on("finish",function(){n("finish");r._mediaSource.endOfStream()});window.vs=r}o.prototype._write=function(e,t,r){var i=this;if(!i._sourceBuffer){i._cb=function(n){if(n)return r(n);i._write(e,t,r)};return}if(i._sourceBuffer.updating){return r(new Error("Cannot append buffer while source buffer updating"))}i._sourceBuffer.appendBuffer(e);n("appendBuffer %s",e.length);i._cb=r};o.prototype._flow=function(){var e=this;n("flow");if(e._cb){e._cb(null)}};function f(e){if(!e)return null;if(e[0]!==".")e="."+e;return{".m4a":'audio/mp4; codecs="mp4a.40.5"',".m4v":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".mp3":"audio/mpeg",".mp4":'video/mp4; codecs="avc1.640029, mp4a.40.5"',".webm":'video/webm; codecs="vorbis, vp8"'}[e]}},{debug:202,inherits:211,stream:190}],145:[function(e,t,r){t.exports={".aac":"audio/aac",".css":"text/css",".html":"text/html",".js":"application/javascript",".m4a":"audio/mp4",".md":"text/x-markdown",".mp3":"audio/mpeg",".mp4":"video/mp4",".oga":"audio/ogg",".ogg":"audio/ogg",".pdf":"application/pdf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm"}},{}],146:[function(e,t,r){t.exports=n;function n(e,t){var r=this;r.pieces=[];r.swarm=e;r.numPieces=t;function n(e){e.on("have",function(e){r.pieces[e]+=1});e.on("bitfield",function(){r.recalculate()});e.on("close",function(){for(var t=0;t<r.numPieces;++t){r.pieces[t]-=e.peerPieces.get(t)}})}r.swarm.wires.forEach(n);r.swarm.on("wire",function(e){r.recalculate();n(e)});r.recalculate()}n.prototype.recalculate=function(){var e=this;for(var t=0;t<e.numPieces;++t){e.pieces[t]=0}e.swarm.wires.forEach(function(t){for(var r=0;r<e.numPieces;++r){e.pieces[r]+=t.peerPieces.get(r)}})};n.prototype.getRarestPiece=function(e){var t=this;var r=[];var n=Infinity;e=e||function(){return true};for(var i=0;i<t.numPieces;++i){if(!e(i))continue;var a=t.pieces[i];if(a===n){r.push(i)}else if(a<n){r=[i];n=a}}if(r.length>0){return r[Math.random()*r.length|0]}else{return-1}}},{}],147:[function(e,t,r){t.exports=u;var n=e("debug")("webtorrent:server");var i=e("http");var a=e("mime");var s=e("pump");var o=e("range-parser");var f=e("url");function u(e,t){var r=i.createServer(t);var u=[];r.on("connection",function(e){e.setTimeout(36e6);u.push(e);e.on("close",function(){var t=u.indexOf(e);if(t>=0)u.splice(t,1)})});r.destroy=function(e){u.forEach(function(e){e.destroy()});r.close(e)};r.on("request",function(t,r){n("onRequest");if(t.method==="OPTIONS"&&t.headers["access-control-request-headers"]){r.setHeader("Access-Control-Allow-Methods","POST, GET, OPTIONS");r.setHeader("Access-Control-Allow-Headers",t.headers["access-control-request-headers"]);r.setHeader("Access-Control-Max-Age","1728000");return r.end()}if(t.headers.origin){r.setHeader("Access-Control-Allow-Origin",t.headers.origin)}var i=f.parse(t.url).pathname;if(i==="/favicon.ico")return r.end();if(e.ready)u();else e.once("ready",u);function u(){if(i==="/"){r.setHeader("Content-Type","text/html");var f=e.files.map(function(e,t){return'<li><a href="/'+t+'">'+e.name+"</a></li>"}).join("<br>");return r.end("<h1>WebTorrent</h1><ol>"+f+"</ol>")}var u=Number(i.slice(1));if(Number.isNaN(u)||u>=e.files.length){r.statusCode=404;return r.end("404 Not Found")}var l=e.files[u];r.setHeader("Accept-Ranges","bytes");r.setHeader("Content-Type",a.lookup(l.name));r.statusCode=200;r.setHeader("transferMode.dlna.org","Streaming");r.setHeader("contentFeatures.dlna.org","DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000");var c;if(t.headers.range){r.statusCode=206;c=o(l.length,t.headers.range)[0];n("range %s",JSON.stringify(c));r.setHeader("Content-Range","bytes "+c.start+"-"+c.end+"/"+l.length);r.setHeader("Content-Length",c.end-c.start+1)}else{r.setHeader("Content-Length",l.length)}if(t.method==="HEAD")r.end();s(l.createReadStream(c),r)}});return r}},{debug:202,http:191,mime:212,pump:216,"range-parser":218,url:201}],148:[function(e,t,r){(function(n,i){t.exports=r=A;var a=e("./append-to");var s=e("bitfield");var o=e("block-stream2");var f=e("debug")("webtorrent:storage");var u=e("dezalgo");var l=e("end-of-stream");var c=e("events").EventEmitter;var p=e("./file-stream");var d=e("inherits");var h=e("./mime.json");var m=e("multistream");var v=e("once");var g=e("path");var y=e("simple-sha1");var _=16*1024;var b=r.BLOCK_BLANK=0;var w=r.BLOCK_RESERVED=1;var x=r.BLOCK_WRITTEN=2;function k(){}d(S,c);function S(e,t,r,n){var i=this;c.call(i);if(!f.enabled)i.setMaxListeners(0);i.index=e;i.hash=t;i.noVerify=!!n;if(typeof r==="number"){i.buffer=null;i.length=r}else{i.buffer=r;i.length=r.length}i._reset()}S.prototype.readBlock=function(e,t,r){var n=this;r=u(r);if(!n.buffer||!n._verifyOffset(e)){return r(new Error("invalid block offset "+e))}r(null,n.buffer.slice(e,e+t))};S.prototype.writeBlock=function(e,t,r){var n=this;r=u(r);if(!n._verifyOffset(e)||!n._verifyBlock(e,t)){return r(new Error("invalid block "+e+":"+t.length))}n._lazyAllocBuffer();var i=e/_;if(n.blocks[i]===x){return r(null)}t.copy(n.buffer,e);n.blocks[i]=x;n.blocksWritten+=1;if(n.blocksWritten===n.blocks.length){n.verify()}r(null)};S.prototype.reserveBlock=function(e){var t=this;var r=t.blocks.length;for(var n=0;n<r;n++){if(t.blocks[n]&&!e||t.blocks[n]===x){continue}t.blocks[n]=w;return{offset:n*_,length:n===r-1?t.length-n*_:_}}return null};S.prototype.cancelBlock=function(e){var t=this;if(!t._verifyOffset(e)){return false}var r=e/_;if(t.blocks[r]===w){t.blocks[r]=b}return true};S.prototype._reset=function(){var e=this;e.verified=false;e.blocks=new i(Math.ceil(e.length/_));if(!n.browser)e.blocks.fill(0);e.blocksWritten=0};S.prototype.verify=function(e){var t=this;if(!e)e=t.buffer;if(t.verified||!e){return}if(t.noVerify){t.verified=true;r();return}y(e,function(e){t.verified=e===t.hash;r()});function r(){if(t.verified){t.emit("done")}else{t.emit("warning",new Error("piece "+t.index+" failed verification"));t._reset()}}};S.prototype._verifyOffset=function(e){var t=this;if(e%_===0){return true}else{t.emit("warning",new Error("invalid block offset "+e+", not multiple of "+_));return false}};S.prototype._verifyBlock=function(e,t){var r=this;if(t.length===_){return true}else if(t.length===r.length-e&&r.length-e<_){return true}else{r.emit("warning",new Error("invalid block size "+t.length));return false}};S.prototype._lazyAllocBuffer=function(){var e=this;if(!e.buffer)e.buffer=new i(e.length)};d(E,c);function E(e,t,r,n){var i=this;c.call(i);if(!f.enabled)i.setMaxListeners(0);i.storage=e;i.name=t.name;i.path=t.path;i.length=t.length;i.offset=t.offset;i.pieces=r;i.pieceLength=n;i.done=false;i._blobUrl=null;i._blobUrlPending=false;i.pieces.forEach(function(e){e.on("done",function(){i._checkDone()})});i._checkDone()}E.prototype.select=function(){var e=this;if(e.pieces.length>0){var t=e.pieces[0].index;var r=e.pieces[e.pieces.length-1].index;e.storage.emit("select",t,r,false)}};E.prototype.deselect=function(){var e=this;if(e.pieces.length>0){var t=e.pieces[0].index;var r=e.pieces[e.pieces.length-1].index;e.storage.emit("deselect",t,r,false)}};E.prototype.createReadStream=function(e){var t=this;if(!e)e={};if(e.pieceLength==null)e.pieceLength=t.pieceLength;var r=new p(t,e);t.storage.emit("select",r.startPiece,r.endPiece,true,r.notify.bind(r));l(r,function(){t.storage.emit("deselect",r.startPiece,r.endPiece,true)});return r};E.prototype.getBuffer=function(e){var t=this;e=u(v(e));var r;if(t.storage.buffer){var n=function(){r=t.storage.buffer.slice(t.offset,t.offset+t.length);e(null,r)};if(t.done)n();else t.once("done",n)}else{r=new i(t.length);var a=0;t.createReadStream().on("data",function(e){e.copy(r,a);a+=e.length}).on("end",function(){e(null,r)}).on("error",e)}};E.prototype.appendTo=function(e,t){var r=this;if(typeof window==="undefined")throw new Error("browser-only method");if(typeof e==="string")e=document.querySelector(e);a(r,e,t)};E.prototype.getBlobURL=function(e){var t=this;if(typeof window==="undefined")throw new Error("browser-only method");e=u(e);if(t._blobUrl)return e(null,t._blobUrl);if(t._blobUrlPending)return t.once("_blobUrl",e);t._blobUrlPending=true;t.getBuffer(function(r,n){t._blobUrlPending=false;if(r){e(r);t.emit("_blobUrl",r);return}var i=h[g.extname(t.name).toLowerCase()];var a=i?new window.Blob([n],{type:i}):new window.Blob([n]);t._blobUrl=window.URL.createObjectURL(a);e(null,t._blobUrl);t.emit("_blobUrl",null,t._blobUrl)})};E.prototype._checkDone=function(){var e=this;e.done=e.pieces.every(function(e){return e.verified});if(e.done){n.nextTick(function(){e.emit("done")})}};d(A,c);function A(e,t){var r=this;c.call(r);if(!f.enabled)r.setMaxListeners(0);if(!t)t={};r.bitfield=new s(e.pieces.length);r.done=false;r.closed=false;r.readonly=true;if(!t.nobuffer){r.buffer=new i(e.length)}var n=r.pieceLength=e.pieceLength;var a=e.lastPieceLength;var o=e.pieces.length;r.pieces=e.pieces.map(function(e,i){var s=i*n;var f=s+(i===o-1?a:n);var u=r.buffer?r.buffer.slice(s,f):f-s;var l=new S(i,e,u,!!t.noVerify);l.on("done",r._onPieceDone.bind(r,l));return l});r.files=e.files.map(function(e){var t=e.offset;var i=t+e.length-1;var a=t/n|0;var s=i/n|0;var o=r.pieces.slice(a,s+1);var f=new E(r,e,o,n);f.on("done",r._onFileDone.bind(r,f));return f})}A.BLOCK_LENGTH=_;A.prototype.load=function(e,t){var r=this;if(!Array.isArray(e))e=[e];t=v(t||function(){});var n=0;var i=new m(e);var a=new o(r.pieceLength,{zeroPadding:false});i.on("error",f);r.once("done",u);i.pipe(a).on("data",s).on("error",f);function s(e){var t=n;n+=1;var i=0;var a=new o(_,{zeroPadding:false});a.on("data",s);a.on("end",f);function s(e){var n=i*_;i+=1;r.writeBlock(t,n,e)}function f(){u()}function u(){a.removeListener("data",s);a.removeListener("end",f)}a.end(e)}function f(e){l();t(e)}function u(){l();t(null)}function l(){i.removeListener("error",f);a.removeListener("data",s);a.removeListener("error",f);r.removeListener("done",u)}};Object.defineProperty(A.prototype,"downloaded",{get:function(){var e=this;return e.pieces.reduce(function(e,t){return e+(t.verified?t.length:t.blocksWritten*_)},0)}});Object.defineProperty(A.prototype,"numMissing",{get:function(){var e=this;var t=e.pieces.length;for(var r=0,n=e.pieces.length;r<n;r++){t-=e.bitfield.get(r)}return t}});A.prototype.readBlock=function(e,t,r,n){var i=this;n=u(n);var a=i.pieces[e];if(!a)return n(new Error("invalid piece index "+e));a.readBlock(t,r,n)};A.prototype.writeBlock=function(e,t,r,n){var i=this;if(!n)n=k;n=u(n);if(i.readonly)return n(new Error("cannot write to readonly storage"));var a=i.pieces[e];if(!a)return n(new Error("invalid piece index "+e));a.writeBlock(t,r,n)};A.prototype.read=function(e,t,r,n){var a=this;if(typeof t==="function"){n=r;r=t;t=null}r=u(r);var s=a.pieces[e];if(!s){return r(new Error("invalid piece index "+e))}if(!s.verified&&!n){return r(new Error("Storage.read called on incomplete piece "+e))}var o=0;var f=s.length;if(t){o=t.offset||0;f=t.length||f}if(s.buffer){return r(null,s.buffer.slice(o,o+f))}var l=[];function c(){if(f<=0)return r(null,i.concat(l));var t=o;var n=Math.min(_,f);o+=n;f-=n;a.readBlock(e,t,n,function(e,t){if(e)return r(e);l.push(t);c()})}c()};A.prototype.reserveBlock=function(e,t){var r=this;var n=r.pieces[e];if(!n)return null;return n.reserveBlock(t)};A.prototype.cancelBlock=function(e,t){var r=this;var n=r.pieces[e];if(!n)return false;return n.cancelBlock(t)};A.prototype.remove=function(e){if(e)u(e)(null)};A.prototype.close=function(e){var t=this;t.closed=true;if(e)u(e)(null)};A.prototype._onPieceDone=function(e){var t=this;t.bitfield.set(e.index);f("piece done "+e.index+" ("+t.numMissing+" still missing)");t.emit("piece",e)};A.prototype._onFileDone=function(e){var t=this;f("file done "+e.name);t.emit("file",e);t._checkDone()};A.prototype._checkDone=function(){var e=this;if(!e.done&&e.files.every(function(e){return e.done})){e.done=true;e.emit("done")}}}).call(this,e("_process"),e("buffer").Buffer)},{"./append-to":142,"./file-stream":143,"./mime.json":145,_process:172,bitfield:150,"block-stream2":151,buffer:164,debug:202,dezalgo:205,"end-of-stream":209,events:168,inherits:211,multistream:84,once:215,path:171,"simple-sha1":219}],149:[function(e,t,r){(function(r,n){t.exports=L;var i=e("addr-to-ip-port");var a=e("create-torrent");var s=e("debug")("webtorrent:torrent");var o=e("torrent-discovery");var f=e("events").EventEmitter;var u=e("inherits");var l=e("run-parallel");var c=e("parse-torrent");var p=e("random-iterate");var d=e("re-emitter");var h=e("bittorrent-swarm");var m=e("uniq");var v=e("ut_metadata");var g=e("ut_pex");var y=e("./rarity-map");var _=e("./server");var b=e("./storage");var w=128*1024;var x=3e4;var k=5e3;var S=3*b.BLOCK_LENGTH;var E=.5;var A=1;var U=1e4;var T=2;function I(){}u(L,f);function L(e,t){var r=this;f.call(r);if(!s.enabled)r.setMaxListeners(0);s("new torrent");r.opts=t;r.client=t.client;r.hotswapEnabled="hotswap"in t?t.hotswap:true;r.verify=t.verify;r.chokeTimeout=t.chokeTimeout||k;r.pieceTimeout=t.pieceTimeout||x;r.strategy=t.strategy||"sequential";r._rechokeNumSlots=t.uploads===false||t.uploads===0?0:+t.uploads||10;r._rechokeOptimisticWire=null;r._rechokeOptimisticTime=0;r._rechokeIntervalId=null;r.infoHash=null;r.ready=false;r.destroyed=false;r.files=[];r.metadata=null;r.parsedTorrent=null;r.storage=null;r.numBlockedPeers=0;r._amInterested=false;r._selections=[];r._critical=[];r._storageImpl=t.storage||b;this._torrentFileURL=null;r._servers=[];if(e)r._onTorrentId(e)}Object.defineProperty(L.prototype,"length",{get:function(){return this.parsedTorrent&&this.parsedTorrent.length||0}});Object.defineProperty(L.prototype,"timeRemaining",{get:function(){if(this.swarm.downloadSpeed()===0)return Infinity;else return(this.length-this.downloaded)/this.swarm.downloadSpeed()*1e3}});Object.defineProperty(L.prototype,"progress",{get:function(){return this.parsedTorrent&&this.downloaded/this.parsedTorrent.length||0}});Object.defineProperty(L.prototype,"downloaded",{get:function(){return this.storage&&this.storage.downloaded||0}});Object.defineProperty(L.prototype,"uploaded",{get:function(){return this.swarm.uploaded}});Object.defineProperty(L.prototype,"ratio",{get:function(){return this.uploaded&&this.downloaded/this.uploaded||0}});Object.defineProperty(L.prototype,"magnetURI",{get:function(){return c.toMagnetURI(this.parsedTorrent)}});Object.defineProperty(L.prototype,"torrentFile",{get:function(){return c.toTorrentFile(this.parsedTorrent)}});Object.defineProperty(L.prototype,"torrentFileURL",{get:function(){if(typeof window==="undefined")throw new Error("browser-only property");if(this._torrentFileURL)return this._torrentFileURL;this._torrentFileURL=window.URL.createObjectURL(new window.Blob([this.torrentFile],{type:"application/x-bittorrent"}));return this._torrentFileURL}});Object.defineProperty(L.prototype,"numPeers",{get:function(){return this.swarm?this.swarm.numPeers:0}});L.prototype.downloadSpeed=function(){return this.swarm?this.swarm.downloadSpeed():0};L.prototype.uploadSpeed=function(){return this.swarm?this.swarm.uploadSpeed():0};L.prototype._onTorrentId=function(e){var t=this;if(t.destroyed)return;var r=e&&e.parsedTorrent;if(r){t._onParsedTorrent(r)}else{c.remote(e,function(e,r){if(t.destroyed)return;if(e)return t._onError(e);t._onParsedTorrent(r)})}};L.prototype._onParsedTorrent=function(e){var t=this;if(t.destroyed)return;t.parsedTorrent=e;t.infoHash=e.infoHash;if(!t.infoHash){return t._onError(new Error("Malformed torrent data: Missing info hash."))}if(t.parsedTorrent.name)t.name=t.parsedTorrent.name;if(t.opts.announce){t.parsedTorrent.announce=t.parsedTorrent.announce.concat(t.opts.announce)}if(n.WEBTORRENT_ANNOUNCE){t.parsedTorrent.announce=t.parsedTorrent.announce.concat(n.WEBTORRENT_ANNOUNCE)}if(t.parsedTorrent.announce.length===0){t.parsedTorrent.announce=a.announceList.map(function(e){return e[0]})}m(t.parsedTorrent.announce);t.swarm=new h(t.infoHash,t.client.peerId,{handshake:{dht:!!t.client.dht}});t.swarm.on("error",t._onError.bind(t));t.swarm.on("wire",t._onWire.bind(t));t.swarm.on("download",function(e){t.client.downloadSpeed(e);t.client.emit("download",e);t.emit("download",e)});t.swarm.on("upload",function(e){t.client.uploadSpeed(e);t.client.emit("upload",e);t.emit("upload",e)});t.swarm.listen(t.client.torrentPort,t._onSwarmListening.bind(t));r.nextTick(function(){if(t.destroyed)return;t.emit("infoHash",t.infoHash)})};L.prototype._onSwarmListening=function(){var e=this;if(e.destroyed)return;if(e.swarm.server)e.client.torrentPort=e.swarm.address().port;e.discovery=new o({announce:e.parsedTorrent.announce,dht:e.client.dht,tracker:e.client.tracker,peerId:e.client.peerId,port:e.client.torrentPort,rtcConfig:e.client._rtcConfig,wrtc:e.client._wrtc});e.discovery.on("error",e._onError.bind(e));e.discovery.setTorrent(e.infoHash);e.discovery.on("peer",e.addPeer.bind(e));d(e.discovery,e,["trackerAnnounce","dhtAnnounce","warning"]);if(e.parsedTorrent.info)e._onMetadata(e.parsedTorrent);e.emit("listening",e.client.torrentPort)};L.prototype._onMetadata=function(e){var t=this;if(t.metadata||t.destroyed)return;s("got metadata");if(e&&e.infoHash){t.metadata=c.toTorrentFile(e);t.parsedTorrent=e}else{t.metadata=e;var n=t.parsedTorrent.announce;var i=t.parsedTorrent.urlList;try{t.parsedTorrent=c(t.metadata)}catch(a){return t._onError(a)}t.parsedTorrent.announce=n;t.parsedTorrent.urlList=i}t.name=t.parsedTorrent.name;t.discovery.setTorrent(t.parsedTorrent);if(t.parsedTorrent.urlList){t.parsedTorrent.urlList.forEach(t.addWebSeed.bind(t))}t.rarityMap=new y(t.swarm,t.parsedTorrent.pieces.length);t.storage=new t._storageImpl(t.parsedTorrent,t.opts);t.storage.on("piece",t._onStoragePiece.bind(t));t.storage.on("file",function(e){t.emit("file",e)});t._reservations=t.storage.pieces.map(function(){return[]});t.storage.on("done",function(){if(t.discovery.tracker)t.discovery.tracker.complete();s("torrent "+t.infoHash+" done");t.emit("done")});t.storage.on("select",t.select.bind(t));t.storage.on("deselect",t.deselect.bind(t));t.storage.on("critical",t.critical.bind(t));t.storage.files.forEach(function(e){t.files.push(e)});t.swarm.wires.forEach(function(e){if(e.ut_metadata)e.ut_metadata.setMetadata(t.metadata);t._onWireWithMetadata(e)});if(t.verify){r.nextTick(function(){s("verifying existing torrent data");var e=0;var r=0;l(t.storage.pieces.map(function(n){return function(i){t.storage.read(n.index,function(a,o){e+=1;t.emit("verifying",{percentDone:100*e/t.storage.pieces.length,percentVerified:100*r/t.storage.pieces.length});if(!a&&o){n.verify(o);r+=n.verified;s("piece "+(n.verified?"verified":"invalid")+" "+n.index)}i()},true)}}),t._onStorage.bind(t))})}else{r.nextTick(t._onStorage.bind(t))}r.nextTick(function(){t.emit("metadata")})};L.prototype.destroy=function(e){var t=this;if(t.destroyed)return;t.destroyed=true;s("destroy");t.client.remove(t);if(t._rechokeIntervalId){clearInterval(t._rechokeIntervalId);t._rechokeIntervalId=null}t.files.forEach(function(e){if(e._blobURL)window.URL.revokeObjectURL(e._blobURL)});if(t._torrentFileURL)window.URL.revokeObjectURL(t._torrentFileURL);var r=[];t._servers.forEach(function(e){r.push(function(t){e.destroy(t)})});if(t.swarm)r.push(function(e){t.swarm.destroy(e)});if(t.discovery)r.push(function(e){t.discovery.stop(e)});if(t.storage)r.push(function(e){t.storage.close(e)});l(r,e)};L.prototype.addPeer=function(e){var t=this;function r(){t.swarm.addPeer(e);t.emit("peer",e)}if(typeof e==="string"&&t.client.blocked&&t.client.blocked.contains(i(e)[0])){t.numBlockedPeers+=1;t.emit("blockedPeer",e);return false}else{if(t.swarm)r();else t.once("listening",r);return true}};L.prototype.addWebSeed=function(e){var t=this;t.swarm.addWebSeed(e,t.parsedTorrent)};L.prototype.select=function(e,t,r,n){var i=this;if(e>t||e<0||t>=i.storage.pieces.length){throw new Error("invalid selection ",e,":",t)}r=Number(r)||0;s("select %s-%s (priority %s)",e,t,r);i._selections.push({from:e,to:t,offset:0,priority:r,notify:n||I});i._selections.sort(function(e,t){return t.priority-e.priority});i._updateSelections()};L.prototype.deselect=function(e,t,r){var n=this;r=Number(r)||0;s("deselect %s-%s (priority %s)",e,t,r);for(var i=0;i<n._selections.length;++i){var a=n._selections[i];if(a.from===e&&a.to===t&&a.priority===r){n._selections.splice(i--,1);break}}n._updateSelections()};L.prototype.critical=function(e,t){var r=this;s("critical %s-%s",e,t);for(var n=e;n<=t;++n){r._critical[n]=true}r._updateSelections()};L.prototype._onWire=function(e,t){var r=this;s("got wire (%s)",t||"Unknown");if(t){var n=i(t);e.remoteAddress=n[0];e.remotePort=n[1]}if(e.peerExtensions.dht&&r.client.dht&&r.client.dht.listening){e.on("port",function(t){if(!e.remoteAddress){s("ignoring port from peer with no address");return}s("port: %s (from %s)",t,e.remoteAddress+":"+e.remotePort);r.client.dht.addNode(e.remoteAddress+":"+t)});e.port(r.client.dht.address().port)}e.on("timeout",function(){s("wire timeout (%s)",t);e.destroy()});e.setTimeout(r.pieceTimeout,true);e.setKeepAlive(true);e.use(v(r.metadata));if(!r.metadata){e.ut_metadata.on("metadata",function(e){s("got metadata via ut_metadata");r._onMetadata(e)});e.ut_metadata.fetch()}if(typeof g==="function"){e.use(g());e.ut_pex.on("peer",function(e){s("ut_pex: got peer: %s (from %s)",e,t);r.addPeer(e)});e.ut_pex.on("dropped",function(e){var n=r.swarm._peers[e];if(n&&!n.connected){s("ut_pex: dropped peer: %s (from %s)",e,t);r.swarm.removePeer(e)}})}r.emit("wire",e,t);if(r.metadata){r._onWireWithMetadata(e)}};L.prototype._onWireWithMetadata=function(e){var t=this;var r=null;var n=t.chokeTimeout;function i(){if(t.destroyed||e.destroyed)return;if(t.swarm.numQueued>2*(t.swarm.numConns-t.swarm.numPeers)&&e.amInterested){e.destroy()}else{r=setTimeout(i,n);if(r.unref)r.unref()}}var a=0;function o(){if(e.peerPieces.length!==t.storage.pieces.length)return;for(;a<t.storage.pieces.length;++a){if(!e.peerPieces.get(a))return}e.isSeeder=true;e.choke()}e.on("bitfield",function(){o();t._update()});e.on("have",function(){o();t._update()});e.once("interested",function(){e.unchoke()});e.on("close",function(){clearTimeout(r)});e.on("choke",function(){clearTimeout(r);r=setTimeout(i,n);if(r.unref)r.unref()});e.on("unchoke",function(){clearTimeout(r);t._update()});e.on("request",function(r,n,i,a){if(i>w){s("got invalid block size request %s (from %s)",i,e.remoteAddress+":"+e.remotePort);return e.destroy()}t.storage.readBlock(r,n,i,a)});e.bitfield(t.storage.bitfield);e.interested();r=setTimeout(i,n);if(r.unref)r.unref();e.isSeeder=false;o()};L.prototype._onStorage=function(){var e=this;if(e.destroyed)return;s("on storage");e.storage.readonly=false;e.select(0,e.storage.pieces.length-1,false);e._rechokeIntervalId=setInterval(e._rechoke.bind(e),U);if(e._rechokeIntervalId.unref)e._rechokeIntervalId.unref();r.nextTick(function(){e.ready=true;e.emit("ready")})};L.prototype._onStoragePiece=function(e){var t=this;s("piece done %s",e.index);t._reservations[e.index]=null;t.swarm.wires.forEach(function(t){t.have(e.index)});t._gcSelections()};L.prototype._updateSelections=function(){var e=this;if(!e.swarm||e.destroyed)return;if(!e.metadata)return e.once("metadata",e._updateSelections.bind(e));r.nextTick(e._gcSelections.bind(e));e._updateInterest();e._update()};L.prototype._gcSelections=function(){var e=this;for(var t=0;t<e._selections.length;t++){var r=e._selections[t];var n=r.offset;while(e.storage.bitfield.get(r.from+r.offset)&&r.from+r.offset<r.to){r.offset++}if(n!==r.offset)r.notify();if(r.to!==r.from+r.offset)continue;if(!e.storage.bitfield.get(r.from+r.offset))continue;e._selections.splice(t--,1);r.notify();e._updateInterest()}if(!e._selections.length)e.emit("idle")};L.prototype._updateInterest=function(){var e=this;var t=e._amInterested;e._amInterested=!!e._selections.length;e.swarm.wires.forEach(function(t){if(e._amInterested)t.interested();else t.uninterested()});if(t===e._amInterested)return;if(e._amInterested)e.emit("interested");else e.emit("uninterested")};L.prototype._update=function(){var e=this;if(e.destroyed)return;var t=p(e.swarm.wires);var r;while(r=t()){e._updateWire(r)}};L.prototype._updateWire=function(e){var t=this;if(e.peerChoking)return;if(!e.downloaded)return a();var r=B(e,E);if(e.requests.length>=r)return;var n=B(e,A);f(false)||f(true);function i(t,r,n,i){return function(a){return a>=t&&a<=r&&!(a in n)&&e.peerPieces.get(a)&&(!i||i(a))}}function a(){if(e.requests.length)return;for(var r=t._selections.length;r--;){var n=t._selections[r];var a;if(t.strategy==="rarest"){var s=n.from+n.offset;var o=n.to;var f=o-s+1;var u={};var l=0;var c=i(s,o,u);while(l<f){a=t.rarityMap.getRarestPiece(c);if(a<0)break;if(t._request(e,a,false))return;u[a]=true;l+=1}}else{for(a=n.to;a>=n.from+n.offset;--a){if(!e.peerPieces.get(a))continue;if(t._request(e,a,false))return}}}}function s(){var r=e.downloadSpeed()||1;if(r>S)return function(){return true};var n=Math.max(1,e.requests.length)*b.BLOCK_LENGTH/r;var i=10;var a=0;return function(e){if(!i||t.storage.bitfield.get(e))return true;var s=t.storage.pieces[e];var o=s.blocks.length-s.blocksWritten;for(;a<t.swarm.wires.length;a++){var f=t.swarm.wires[a];var u=f.downloadSpeed();if(u<S)continue;if(u<=r)continue;if(!f.peerPieces.get(e))continue;if((o-=u*n)>0)continue;i--;return false}return true}}function o(e){var r=e;for(var n=e;n<t._selections.length&&t._selections[n].priority;n++){r=n}var i=t._selections[e];t._selections[e]=t._selections[r];t._selections[r]=i}function f(r){if(e.requests.length>=n)return true;var a=s();for(var f=0;f<t._selections.length;f++){var u=t._selections[f];var l;if(t.strategy==="rarest"){var c=u.from+u.offset;var p=u.to;var d=p-c+1;var h={};var m=0;var v=i(c,p,h,a);while(m<d){l=t.rarityMap.getRarestPiece(v);if(l<0)break;while(t._request(e,l,t._critical[l]||r)){}if(e.requests.length<n){h[l]=true;m++;continue}if(u.priority)o(f);return true}}else{for(l=u.from+u.offset;l<=u.to;l++){if(!e.peerPieces.get(l)||!a(l))continue;while(t._request(e,l,t._critical[l]||r)){}if(e.requests.length<n)continue;if(u.priority)o(f);return true}}}return false}};L.prototype._rechoke=function(){var e=this;if(e._rechokeOptimisticTime>0)e._rechokeOptimisticTime-=1;else e._rechokeOptimisticWire=null;var t=[];e.swarm.wires.forEach(function(r){if(!r.isSeeder&&r!==e._rechokeOptimisticWire){t.push({wire:r,downloadSpeed:r.downloadSpeed(),uploadSpeed:r.uploadSpeed(),salt:Math.random(),isChoked:true})}});t.sort(s);var r=0;var n=0;for(;n<t.length&&r<e._rechokeNumSlots;++n){t[n].isChoked=false;if(t[n].wire.peerInterested)r+=1}if(!e._rechokeOptimisticWire&&n<t.length&&e._rechokeNumSlots){var i=t.slice(n).filter(function(e){return e.wire.peerInterested});var a=i[C(i.length)];if(a){a.isChoked=false;e._rechokeOptimisticWire=a.wire;e._rechokeOptimisticTime=T}}t.forEach(function(e){if(e.wire.amChoking!==e.isChoked){if(e.isChoked)e.wire.choke();else e.wire.unchoke()}});function s(e,t){if(e.downloadSpeed!==t.downloadSpeed){return t.downloadSpeed-e.downloadSpeed}if(e.uploadSpeed!==t.uploadSpeed){return t.uploadSpeed-e.uploadSpeed}if(e.wire.amChoking!==t.wire.amChoking){return e.wire.amChoking?1:-1}return e.salt-t.salt}};L.prototype._hotswap=function(e,t){var r=this;if(!r.hotswapEnabled)return false;var n=e.downloadSpeed();if(n<b.BLOCK_LENGTH)return false;if(!r._reservations[t])return false;var i=r._reservations[t];if(!i){return false}var a=Infinity;var s;var o;for(o=0;o<i.length;o++){var f=i[o];if(!f||f===e)continue;var u=f.downloadSpeed();if(u>=S)continue;if(2*u>n||u>a)continue;s=f;a=u}if(!s)return false;for(o=0;o<i.length;o++){if(i[o]===s)i[o]=null}for(o=0;o<s.requests.length;o++){var l=s.requests[o];if(l.piece!==t)continue;r.storage.cancelBlock(t,l.offset)}r.emit("hotswap",s,e,t);return true};L.prototype._request=function(e,t,n){var i=this;var a=e.requests.length;if(i.storage.bitfield.get(t))return false;var o=B(e,A);if(a>=o)return false;var f=e.requests.length===0&&i.storage.numMissing<30;var u=i.storage.reserveBlock(t,f);if(!u&&!f&&n&&i._hotswap(e,t)){u=i.storage.reserveBlock(t,false)}if(!u)return false;var l=i._reservations[t];if(!l){l=i._reservations[t]=[]}var c=l.indexOf(null);if(c===-1)c=l.length;l[c]=e;function 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l(i,s,o,function(e){if(!r)r=e;if(e)n.forEach(c);if(s)return;n.forEach(c);t(r)})});return e.reduce(p)};t.exports=d},{"end-of-stream":209,fs:162,once:215}],217:[function(e,t,r){var n=function(e){var t=0;return function(){if(t===e.length)return null;var r=e.length-t;var n=Math.random()*r|0;var i=e[t+n];var a=e[t];e[t]=i;e[t+n]=a;t++;return i}};t.exports=n},{}],218:[function(e,t,r){t.exports=function(e,t){var r=true;var n=t.indexOf("=");if(-1==n)return-2;var i=t.slice(n+1).split(",").map(function(t){var t=t.split("-"),n=parseInt(t[0],10),i=parseInt(t[1],10);if(isNaN(n)){n=e-i;i=e-1}else if(isNaN(i)){i=e-1}if(i>e-1)i=e-1;if(isNaN(n)||isNaN(i)||n>i||n<0)r=false;return{start:n,end:i}});i.type=t.slice(0,n);return r?i:-1}},{}],219:[function(e,t,r){arguments[4][77][0].apply(r,arguments)},{dup:77,rusha:220}],220:[function(e,t,r){arguments[4][78][0].apply(r,arguments)},{dup:78}],221:[function(e,t,r){arguments[4][13][0].apply(r,arguments)},{dup:13}],222:[function(e,t,r){arguments[4][41][0].apply(r,arguments)},{dup:41}],223:[function(e,t,r){var n=function(e,t,r){this._byteOffset=t||0;if(e instanceof ArrayBuffer){this.buffer=e}else if(typeof e=="object"){this.dataView=e;if(t){this._byteOffset+=t}}else{this.buffer=new ArrayBuffer(e||0)}this.position=0;this.endianness=r==null?n.LITTLE_ENDIAN:r};t.exports=n;n.prototype={};n.prototype.save=function(e){var t=new Blob([this.buffer]);var r=window.webkitURL||window.URL;if(r&&r.createObjectURL){var n=r.createObjectURL(t);var i=document.createElement("a");i.setAttribute("href",n);i.setAttribute("download",e);i.click();r.revokeObjectURL(n)}else{throw"DataStream.save: Can't create object URL."}};n.BIG_ENDIAN=false;n.LITTLE_ENDIAN=true;n.prototype._dynamicSize=true;Object.defineProperty(n.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){if(!e){this._trimAlloc()}this._dynamicSize=e}});n.prototype._byteLength=0;Object.defineProperty(n.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}});Object.defineProperty(n.prototype,"buffer",{get:function(){this._trimAlloc();return this._buffer},set:function(e){this._buffer=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(n.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._buffer.byteLength}});Object.defineProperty(n.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset;this._buffer=e.buffer;this._dataView=new DataView(this._buffer,this._byteOffset);this._byteLength=this._byteOffset+e.byteLength}});n.prototype._realloc=function(e){if(!this._dynamicSize){return}var t=this._byteOffset+this.position+e;var r=this._buffer.byteLength;if(t<=r){if(t>this._byteLength){this._byteLength=t}return}if(r<1){r=1}while(t>r){r*=2}var n=new ArrayBuffer(r);var i=new Uint8Array(this._buffer);var a=new Uint8Array(n,0,i.length);a.set(i);this.buffer=n;this._byteLength=t};n.prototype._trimAlloc=function(){if(this._byteLength==this._buffer.byteLength){return}var e=new ArrayBuffer(this._byteLength);var t=new Uint8Array(e);var r=new Uint8Array(this._buffer,0,t.length);t.set(r);this.buffer=e};n.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e);var r=new Uint8Array(t);var n=new Uint8Array(this._buffer,e,r.length);r.set(n);this.buffer=t;this.position-=e};n.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t};n.prototype.isEof=function(){return this.position>=this._byteLength};n.prototype.mapInt32Array=function(e,t){this._realloc(e*4);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.mapInt16Array=function(e,t){this._realloc(e*2);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};n.prototype.mapInt8Array=function(e){this._realloc(e*1);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};n.prototype.mapUint32Array=function(e,t){this._realloc(e*4);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.mapUint16Array=function(e,t){this._realloc(e*2);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*2;return r};n.prototype.mapUint8Array=function(e){this._realloc(e*1);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);this.position+=e*1;return t};n.prototype.mapFloat64Array=function(e,t){this._realloc(e*8);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*8;return r};n.prototype.mapFloat32Array=function(e,t){this._realloc(e*4);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);n.arrayToNative(r,t==null?this.endianness:t);this.position+=e*4;return r};n.prototype.readInt32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Int32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readInt16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Int16Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readInt8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Int8Array(e);n.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};n.prototype.readUint32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Uint32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readUint16Array=function(e,t){e=e==null?this.byteLength-this.position/2:e;var r=new Uint16Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readUint8Array=function(e){e=e==null?this.byteLength-this.position:e;var t=new Uint8Array(e);n.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT);this.position+=t.byteLength;return t};n.prototype.readFloat64Array=function(e,t){e=e==null?this.byteLength-this.position/8:e;var r=new Float64Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.readFloat32Array=function(e,t){e=e==null?this.byteLength-this.position/4:e;var r=new Float32Array(e);n.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT);n.arrayToNative(r,t==null?this.endianness:t);this.position+=r.byteLength;return r};n.prototype.writeInt32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeInt32(e[r],t)}}};n.prototype.writeInt16Array=function(e,t){this._realloc(e.length*2);if(e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt16Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeInt16(e[r],t)}}};n.prototype.writeInt8Array=function(e){this._realloc(e.length*1);if(e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapInt8Array(e.length)}else{for(var t=0;t<e.length;t++){this.writeInt8(e[t])}}};n.prototype.writeUint32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeUint32(e[r],t)}}};n.prototype.writeUint16Array=function(e,t){this._realloc(e.length*2);if(e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint16Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeUint16(e[r],t)}}};n.prototype.writeUint8Array=function(e){this._realloc(e.length*1);if(e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapUint8Array(e.length)}else{for(var t=0;t<e.length;t++){this.writeUint8(e[t])}}};n.prototype.writeFloat64Array=function(e,t){this._realloc(e.length*8);if(e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapFloat64Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeFloat64(e[r],t)}}};n.prototype.writeFloat32Array=function(e,t){this._realloc(e.length*4);if(e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0){n.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength);this.mapFloat32Array(e.length,t)}else{for(var r=0;r<e.length;r++){this.writeFloat32(e[r],t)}}};n.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,e==null?this.endianness:e);this.position+=4;return t};n.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,e==null?this.endianness:e);this.position+=2;return t};n.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);this.position+=1;return e};n.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,e==null?this.endianness:e);this.position+=4;return t};n.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,e==null?this.endianness:e);this.position+=2;return t};n.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);this.position+=1;return e};n.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,e==null?this.endianness:e);this.position+=4;return t};n.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,e==null?this.endianness:e);this.position+=8;return t};n.prototype.writeInt32=function(e,t){this._realloc(4);this._dataView.setInt32(this.position,e,t==null?this.endianness:t);this.position+=4};n.prototype.writeInt16=function(e,t){this._realloc(2);this._dataView.setInt16(this.position,e,t==null?this.endianness:t);this.position+=2};n.prototype.writeInt8=function(e){this._realloc(1);this._dataView.setInt8(this.position,e);this.position+=1};n.prototype.writeUint32=function(e,t){this._realloc(4);this._dataView.setUint32(this.position,e,t==null?this.endianness:t);this.position+=4};n.prototype.writeUint16=function(e,t){this._realloc(2);this._dataView.setUint16(this.position,e,t==null?this.endianness:t);this.position+=2};n.prototype.writeUint8=function(e){this._realloc(1);this._dataView.setUint8(this.position,e);this.position+=1};n.prototype.writeFloat32=function(e,t){this._realloc(4);this._dataView.setFloat32(this.position,e,t==null?this.endianness:t);this.position+=4};n.prototype.writeFloat64=function(e,t){this._realloc(8);this._dataView.setFloat64(this.position,e,t==null?this.endianness:t);this.position+=8};n.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0;n.memcpy=function(e,t,r,n,i){var a=new Uint8Array(e,t,i);var s=new Uint8Array(r,n,i);a.set(s)};n.arrayToNative=function(e,t){if(t==this.endianness){return e}else{return this.flipArrayEndianness(e)}};n.nativeToEndian=function(e,t){if(this.endianness==t){return e}else{return this.flipArrayEndianness(e)}};n.flipArrayEndianness=function(e){var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength);for(var r=0;r<e.byteLength;r+=e.BYTES_PER_ELEMENT){for(var n=r+e.BYTES_PER_ELEMENT-1,i=r;n>i;n--,i++){var a=t[i];t[i]=t[n];t[n]=a}}return e};n.prototype.failurePosition=0;n.prototype.readStruct=function(e){var t={},r,n,i;var a=this.position;for(var s=0;s<e.length;s+=2){r=e[s+1];n=this.readType(r,t);if(n==null){if(this.failurePosition===0){this.failurePosition=this.position}this.position=a;return null}t[e[s]]=n}return t};n.prototype.readUCS2String=function(e,t){return String.fromCharCode.apply(null,this.readUint16Array(e,t))};n.prototype.writeUCS2String=function(e,t,r){if(r==null){r=e.length}for(var n=0;n<e.length&&n<r;n++){this.writeUint16(e.charCodeAt(n),t)}for(;n<r;n++){this.writeUint16(0)}};n.prototype.readString=function(e,t){if(t==null||t=="ASCII"){return String.fromCharCode.apply(null,this.mapUint8Array(e==null?this.byteLength-this.position:e))}else{return new TextDecoder(t).decode(this.mapUint8Array(e))}};n.prototype.writeString=function(e,t,r){var n=0;if(t==null||t=="ASCII"){if(r!=null){var i=Math.min(e.length,r);for(n=0;n<i;n++){this.writeUint8(e.charCodeAt(n))}for(;n<r;n++){this.writeUint8(0)}}else{for(n=0;n<e.length;n++){this.writeUint8(e.charCodeAt(n))}}}else{this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,r)))}};n.prototype.readCString=function(e){var t=this.byteLength-this.position;var r=new Uint8Array(this._buffer,this._byteOffset+this.position);var n=t;if(e!=null){n=Math.min(e,t)}for(var i=0;i<n&&r[i]!==0;i++);var a=String.fromCharCode.apply(null,this.mapUint8Array(i));if(e!=null){this.position+=n-i}else if(i!=t){this.position+=1}return a};n.prototype.writeCString=function(e,t){var r=0;if(t!=null){var n=Math.min(e.length,t);for(r=0;r<n;r++){this.writeUint8(e.charCodeAt(r))}for(;r<t;r++){this.writeUint8(0)}}else{for(r=0;r<e.length;r++){this.writeUint8(e.charCodeAt(r))}this.writeUint8(0)}};n.prototype.readType=function(e,t){if(typeof e=="function"){return e(this,t)}else if(typeof e=="object"&&!(e instanceof Array)){return e.get(this,t)}else if(e instanceof Array&&e.length!=3){return this.readStruct(e,t)}var r=null;var i=null;var a="ASCII";var s=this.position;var o;var f;var u;if(typeof e=="string"&&/:/.test(e)){o=e.split(":");e=o[0];i=parseInt(o[1])}if(typeof e=="string"&&/,/.test(e)){o=e.split(",");e=o[0];a=parseInt(o[1])}switch(e){case"uint8":r=this.readUint8();break;case"int8":r=this.readInt8();break;case"uint16":r=this.readUint16(this.endianness);break;case"int16":r=this.readInt16(this.endianness);break;case"uint32":r=this.readUint32(this.endianness);break;case"int32":r=this.readInt32(this.endianness);break;case"float32":r=this.readFloat32(this.endianness);break;case"float64":r=this.readFloat64(this.endianness);break;case"uint16be":r=this.readUint16(n.BIG_ENDIAN);break;case"int16be":r=this.readInt16(n.BIG_ENDIAN);break;case"uint32be":r=this.readUint32(n.BIG_ENDIAN);break;case"int32be":r=this.readInt32(n.BIG_ENDIAN);break;case"float32be":r=this.readFloat32(n.BIG_ENDIAN);break;case"float64be":r=this.readFloat64(n.BIG_ENDIAN);break;case"uint16le":r=this.readUint16(n.LITTLE_ENDIAN);break;case"int16le":r=this.readInt16(n.LITTLE_ENDIAN);break;case"uint32le":r=this.readUint32(n.LITTLE_ENDIAN);break;case"int32le":r=this.readInt32(n.LITTLE_ENDIAN);break;case"float32le":r=this.readFloat32(n.LITTLE_ENDIAN);break;case"float64le":r=this.readFloat64(n.LITTLE_ENDIAN);break;case"cstring":r=this.readCString(i);break;case"string":r=this.readString(i,a);break;case"u16string":r=this.readUCS2String(i,this.endianness);break;case"u16stringle":r=this.readUCS2String(i,n.LITTLE_ENDIAN);break;case"u16stringbe":r=this.readUCS2String(i,n.BIG_ENDIAN);break;default:if(e.length==3){var l=e[1];var c=e[2];var p=0;if(typeof c=="function"){p=c(t,this,e)}else if(typeof c=="string"&&t[c]!=null){p=parseInt(t[c])}else{p=parseInt(c)}if(typeof l=="string"){var d=l.replace(/(le|be)$/,"");var h=null;if(/le$/.test(l)){h=n.LITTLE_ENDIAN}else if(/be$/.test(l)){h=n.BIG_ENDIAN}if(c=="*"){p=null}switch(d){case"uint8":r=this.readUint8Array(p);break;case"uint16":r=this.readUint16Array(p,h);break;case"uint32":r=this.readUint32Array(p,h);break;case"int8":r=this.readInt8Array(p);break;case"int16":r=this.readInt16Array(p,h);break;case"int32":r=this.readInt32Array(p,h);break;case"float32":r=this.readFloat32Array(p,h);break;case"float64":r=this.readFloat64Array(p,h);break;case"cstring":case"utf16string":case"string":if(p==null){r=[];while(!this.isEof()){u=this.readType(l,t);if(u==null)break;r.push(u)}}else{r=new Array(p);for(f=0;f<p;f++){r[f]=this.readType(l,t)}}break}}else{if(c=="*"){r=[];var m=this.buffer;while(true){var v=this.position;try{var g=this.readType(l,t);if(g==null){this.position=v;break}r.push(g)}catch(y){this.position=v;break}}}else{r=new Array(p);for(f=0;f<p;f++){u=this.readType(l,t);if(u==null)return null;r[f]=u}}}break}}if(i!=null){this.position=s+i}return r};n.prototype.writeStruct=function(e,t){for(var r=0;r<e.length;r+=2){var n=e[r+1];this.writeType(n,t[e[r]],t)}};n.prototype.writeType=function(e,t,r){var i;if(typeof e=="function"){return e(this,t)}else if(typeof e=="object"&&!(e instanceof Array)){return e.set(this,t,r)}var a=null;var s="ASCII";var o=this.position;if(typeof e=="string"&&/:/.test(e)){i=e.split(":");e=i[0];a=parseInt(i[1])}if(typeof e=="string"&&/,/.test(e)){i=e.split(",");e=i[0];s=parseInt(i[1])}switch(e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,n.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,n.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,n.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,n.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,n.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,n.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,n.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,n.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,n.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,n.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,n.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,n.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,a);break;case"string":this.writeString(t,s,a);break;case"u16string":this.writeUCS2String(t,this.endianness,a);break;case"u16stringle":this.writeUCS2String(t,n.LITTLE_ENDIAN,a);break;case"u16stringbe":this.writeUCS2String(t,n.BIG_ENDIAN,a);break;default:if(e.length==3){var f=e[1];for(var u=0;u<t.length;u++){this.writeType(f,t[u])}break}else{this.writeStruct(e,t);break}}if(a!=null){this.position=o;this._realloc(a);this.position=o+a}};var i=Math.pow(2,32);r.MAX_SIZE=i;n.prototype.readUint64=function(){return this.readUint32()*i+this.readUint32()};n.prototype.writeUint64=function(e){var t=Math.floor(e/i);this.writeUint32(t);this.writeUint32(e&4294967295)};n.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()};n.prototype.writeUint24=function(e){this.writeUint8((e&16711680)>>16);this.writeUint8((e&65280)>>8);this.writeUint8(e&255)};n.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e);this.writeUint32(t);this.seek(r)}},{}],224:[function(e,t,r){var n=e("./DataStream");var a=e("./descriptor");var s=e("./log");var o={ERR_NOT_ENOUGH_DATA:0,OK:1,boxCodes:["mdat","avcC","hvcC","ftyp","payl","vmhd","smhd","hmhd","dref","elst"],fullBoxCodes:["mvhd","tkhd","mdhd","hdlr","smhd","hmhd","nhmd","url ","urn ","ctts","cslg","stco","co64","stsc","stss","stsz","stz2","stts","stsh","mehd","trex","mfhd","tfhd","trun","tfdt","esds","subs","txtC"],containerBoxCodes:[["moov",["trak"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl"],["mvex",["trex"]],["moof",["traf"]],["traf",["trun"]],["vttc"],["tref"]],
+sampleEntryCodes:[{prefix:"Visual",types:["mp4v","avc1","avc2","avc3","avc4","avcp","drac","encv","mjp2","mvc1","mvc2","resv","s263","svc1","vc-1","hvc1","hev1"]},{prefix:"Audio",types:["mp4a","ac-3","alac","dra1","dtsc","dtse",,"dtsh","dtsl","ec-3","enca","g719","g726","m4ae","mlpa","raw ","samr","sawb","sawp","sevc","sqcp","ssmv","twos"]},{prefix:"Hint",types:["fdp ","m2ts","pm2t","prtp","rm2t","rrtp","rsrp","rtp ","sm2t","srtp"]},{prefix:"Metadata",types:["metx","mett","urim"]},{prefix:"Subtitle",types:["stpp","wvtt","sbtt","tx3g","stxt"]}],trackReferenceTypes:["scal"],initialize:function(){var e,t;var r;o.FullBox.prototype=new o.Box;o.ContainerBox.prototype=new o.Box;o.stsdBox.prototype=new o.FullBox;o.SampleEntry.prototype=new o.FullBox;o.TrackReferenceTypeBox.prototype=new o.Box;r=o.boxCodes.length;for(e=0;e<r;e++){o[o.boxCodes[e]+"Box"]=function(e){return function(t){o.Box.call(this,o.boxCodes[e],t)}}(e);o[o.boxCodes[e]+"Box"].prototype=new o.Box}r=o.fullBoxCodes.length;for(e=0;e<r;e++){o[o.fullBoxCodes[e]+"Box"]=function(e){return function(t){o.FullBox.call(this,o.fullBoxCodes[e],t)}}(e);o[o.fullBoxCodes[e]+"Box"].prototype=new o.FullBox}r=o.containerBoxCodes.length;for(e=0;e<r;e++){o[o.containerBoxCodes[e][0]+"Box"]=function(e,t){return function(r){o.ContainerBox.call(this,o.containerBoxCodes[e][0],r);if(t){this.subBoxNames=t;var n=t.length;for(var i=0;i<n;i++){this[t[i]+"s"]=[]}}}}(e,o.containerBoxCodes[e][1]);o[o.containerBoxCodes[e][0]+"Box"].prototype=new o.ContainerBox}r=o.sampleEntryCodes.length;for(t=0;t<r;t++){var n=o.sampleEntryCodes[t].prefix;var i=o.sampleEntryCodes[t].types;var a=i.length;o[n+"SampleEntry"]=function(e,t){o.SampleEntry.call(this,e,t)};o[n+"SampleEntry"].prototype=new o.SampleEntry;for(e=0;e<a;e++){o[i[e]+"Box"]=function(e,t){return function(r){o[o.sampleEntryCodes[e].prefix+"SampleEntry"].call(this,o.sampleEntryCodes[e].types[t],r)}}(t,e);o[i[e]+"Box"].prototype=new o[n+"SampleEntry"]}}r=o.trackReferenceTypes.length;for(e=0;e<r;e++){o[o.trackReferenceTypes[e]+"Box"]=function(e){return function(t){o.TrackReferenceTypeBox.call(this,o.trackReferenceTypes[e],t)}}(e);o[o.trackReferenceTypes[e]+"Box"].prototype=new o.Box}},Box:function(e,t){this.type=e;this.size=t},FullBox:function(e,t){o.Box.call(this,e,t);this.flags=0;this.version=0},ContainerBox:function(e,t){o.Box.call(this,e,t);this.boxes=[]},SampleEntry:function(e,t){o.Box.call(this,e,t);this.boxes=[]},TrackReferenceTypeBox:function(e,t){o.Box.call(this,e,t);this.track_ids=[]},stsdBox:function(e){o.FullBox.call(this,"stsd",e);this.entries=[]},parseOneBox:function(e,t){var r;var n=e.position;var i=0;if(e.byteLength-e.position<8){s.d("BoxParser","Not enough data in stream to parse the type and size of the box");return{code:o.ERR_NOT_ENOUGH_DATA}}var a=e.readUint32();var f=e.readString(4);s.d("BoxParser","Found box of type "+f+" and size "+a+" at position "+n+" in the current buffer ("+(e.buffer.fileStart+n)+" in the file)");i=8;if(a==1){if(e.byteLength-e.position<8){e.seek(n);s.w("BoxParser",'Not enough data in stream to parse the extended size of the "'+f+'" box');return{code:o.ERR_NOT_ENOUGH_DATA}}a=e.readUint64();i+=8}else if(a===0){throw"Unlimited box size not supported"}if(n+a>e.byteLength){e.seek(n);s.w("BoxParser",'Not enough data in stream to parse the entire "'+f+'" box');return{code:o.ERR_NOT_ENOUGH_DATA,type:f,size:a,hdr_size:i}}if(o[f+"Box"]){r=new o[f+"Box"](a-i)}else{if(t){r=new o.SampleEntry(f,a-i)}else{r=new o.Box(f,a-i)}}r.hdr_size=i;r.start=n;r.fileStart=n+e.buffer.fileStart;r.parse(e);e.seek(n+a);return{code:o.OK,box:r,size:a}}};t.exports=o;o.initialize();o.Box.prototype.parse=function(e){if(this.type!="mdat"){this.data=e.readUint8Array(this.size)}else{e.seek(this.start+this.size+this.hdr_size)}};o.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8();this.flags=e.readUint24();this.size-=4};o.ContainerBox.prototype.parse=function(e){var t;var r;var n;n=e.position;while(e.position<n+this.size){t=o.parseOneBox(e);r=t.box;this.boxes.push(r);if(this.subBoxNames&&this.subBoxNames.indexOf(r.type)!=-1){this[this.subBoxNames+"s"].push(r)}else{this[r.type]=r}}};o.SampleEntry.prototype.isVideo=function(){return false};o.SampleEntry.prototype.isAudio=function(){return false};o.SampleEntry.prototype.isSubtitle=function(){return false};o.SampleEntry.prototype.isMetadata=function(){return false};o.SampleEntry.prototype.isHint=function(){return false};o.SampleEntry.prototype.getCodec=function(){return this.type};o.SampleEntry.prototype.getWidth=function(){return""};o.SampleEntry.prototype.getHeight=function(){return""};o.SampleEntry.prototype.getChannelCount=function(){return""};o.SampleEntry.prototype.getSampleRate=function(){return""};o.SampleEntry.prototype.getSampleSize=function(){return""};o.SampleEntry.prototype.parseHeader=function(e){this.start=e.position;e.readUint8Array(6);this.data_reference_index=e.readUint16()};o.SampleEntry.prototype.parse=function(e){this.parseHeader(e);e.seek(this.start+this.size)};o.SampleEntry.prototype.parseFooter=function(e){var t;var r;while(e.position<this.start+this.size){t=o.parseOneBox(e,false);r=t.box;this.boxes.push(r);this[r.type]=r}};o.VisualSampleEntry.prototype.parse=function(e){this.parseHeader(e);e.readUint16();e.readUint16();e.readUint32Array(3);this.width=e.readUint16();this.height=e.readUint16();this.horizresolution=e.readUint32();this.vertresolution=e.readUint32();e.readUint32();this.frame_count=e.readUint16();this.compressorname=e.readString(32);this.depth=e.readUint16();e.readUint16();this.parseFooter(e)};o.VisualSampleEntry.prototype.isVideo=function(){return true};o.VisualSampleEntry.prototype.getWidth=function(){return this.width};o.VisualSampleEntry.prototype.getHeight=function(){return this.height};o.AudioSampleEntry.prototype.parse=function(e){this.parseHeader(e);e.readUint32Array(2);this.channel_count=e.readUint16();this.samplesize=e.readUint16();e.readUint16();e.readUint16();this.samplerate=e.readUint32()/(1<<16);this.parseFooter(e)};o.AudioSampleEntry.prototype.isAudio=function(){return true};o.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count};o.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate};o.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize};o.SubtitleSampleEntry.prototype.parse=function(e){this.parseHeader(e);this.parseFooter(e)};o.SubtitleSampleEntry.prototype.isSubtitle=function(){return true};o.MetadataSampleEntry.prototype.parse=function(e){this.parseHeader(e);this.parseFooter(e)};o.MetadataSampleEntry.prototype.isMetadata=function(){return true};o.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint8Array(this.size)};o.metxBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.namespace=e.readCString();this.schema_location=e.readCString();this.parseFooter(e)};o.mettBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.sbttBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.stxtBox.prototype.parse=function(e){this.parseHeader(e);this.content_encoding=e.readCString();this.mime_format=e.readCString();this.parseFooter(e)};o.stppBox.prototype.parse=function(e){this.parseHeader(e);this.namespace=e.readCString();this.schema_location=e.readCString();this.auxiliary_mime_types=e.readCString();this.parseFooter(e)};o.tx3gBox.prototype.parse=function(e){this.parseHeader(e);this.displayFlags=e.readUint32();this.horizontal_justification=e.readInt8();this.vertical_justification=e.readInt8();this.bg_color_rgba=e.readUint8Array(4);this.box_record=e.readInt16Array(4);this.style_record=e.readUint8Array(12);this.parseFooter(e)};o.ftypBox.prototype.parse=function(e){this.major_brand=e.readString(4);this.minor_version=e.readUint32();this.size-=8;this.compatible_brands=[];var t=0;while(this.size>=4){this.compatible_brands[t]=e.readString(4);this.size-=4;t++}};o.mvhdBox.prototype.parse=function(e){this.flags=0;this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.rate=e.readUint32();this.volume=e.readUint16()>>8;e.readUint16();e.readUint32Array(2);this.matrix=e.readUint32Array(9);e.readUint32Array(6);this.next_track_id=e.readUint32()};o.TKHD_FLAG_ENABLED=1;o.TKHD_FLAG_IN_MOVIE=2;o.TKHD_FLAG_IN_PREVIEW=4;o.tkhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.track_id=e.readUint32();e.readUint32();this.duration=e.readUint32()}e.readUint32Array(2);this.layer=e.readInt16();this.alternate_group=e.readInt16();this.volume=e.readInt16()>>8;e.readUint16();this.matrix=e.readInt32Array(9);this.width=e.readUint32();this.height=e.readUint32()};o.mdhdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.creation_time=e.readUint64();this.modification_time=e.readUint64();this.timescale=e.readUint32();this.duration=e.readUint64()}else{this.creation_time=e.readUint32();this.modification_time=e.readUint32();this.timescale=e.readUint32();this.duration=e.readUint32()}this.language=e.readUint16();var t=[];t[0]=this.language>>10&31;t[1]=this.language>>5&31;t[2]=this.language&31;this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96);e.readUint16()};o.hdlrBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version===0){e.readUint32();this.handler=e.readString(4);e.readUint32Array(3);this.name=e.readCString()}else{this.data=e.readUint8Array(size)}};o.stsdBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);r=e.readUint32();for(i=1;i<=r;i++){t=o.parseOneBox(e,true);this.entries.push(t.box)}};o.avcCBox.prototype.parse=function(e){var t;var r;var n;this.configurationVersion=e.readUint8();this.AVCProfileIndication=e.readUint8();this.profile_compatibility=e.readUint8();this.AVCLevelIndication=e.readUint8();this.lengthSizeMinusOne=e.readUint8()&3;r=e.readUint8()&31;this.size-=6;this.SPS=new Array(r);for(t=0;t<r;t++){n=e.readUint16();this.SPS[t]=e.readUint8Array(n);this.size-=2+n}r=e.readUint8();this.size--;this.PPS=new Array(r);for(t=0;t<r;t++){n=e.readUint16();this.PPS[t]=e.readUint8Array(n);this.size-=2+n}if(this.size>0){this.ext=e.readUint8Array(this.size)}};o.hvcCBox.prototype.parse=function(e){var t;var r;var n;var i;this.configurationVersion=e.readUint8();i=e.readUint8();this.general_profile_space=i>>6;this.general_tier_flag=(i&32)>>5;this.general_profile_idc=i&31;this.general_profile_compatibility=e.readUint32();this.general_constraint_indicator=e.readUint8Array(6);this.general_level_idc=e.readUint8();this.min_spatial_segmentation_idc=e.readUint16()&4095;this.parallelismType=e.readUint8()&3;this.chromaFormat=e.readUint8()&3;this.bitDepthLumaMinus8=e.readUint8()&7;this.bitDepthChromaMinus8=e.readUint8()&7;this.avgFrameRate=e.readUint16();i=e.readUint8();this.constantFrameRate=i>>6;this.numTemporalLayers=(i&13)>>3;this.temporalIdNested=(i&4)>>2;this.lengthSizeMinusOne=i&3;this.nalu_arrays=[];numOfArrays=e.readUint8();for(t=0;t<numOfArrays;t++){var a=[];this.nalu_arrays.push(a);i=e.readUint8();a.completeness=(i&128)>>7;a.nalu_type=i&63;numNalus=e.readUint16();for(j=0;j<numNalus;j++){var s={};a.push(s);n=e.readUint16();s.data=e.readUint8Array(n)}}};function f(e,t){var r=Number(e).toString(16);t=typeof t==="undefined"||t===null?t=2:t;while(r.length<t){r="0"+r}return r}o.avc1Box.prototype.getCodec=function(){var e=o.SampleEntry.prototype.getCodec.call(this);if(this.avcC){return e+"."+f(this.avcC.AVCProfileIndication)+""+f(this.avcC.profile_compatibility)+""+f(this.avcC.AVCLevelIndication)}else{return e}};o.hvc1Box.prototype.getCodec=function(){var e;var t=o.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){t+=".";switch(this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C";break}t+=this.hvcC.general_profile_idc;t+=".";var r=this.hvcC.general_profile_compatibility;var n=0;for(e=0;e<32;e++){n|=r&1;if(e==31)break;n<<=1;r>>=1}t+=f(n,0);t+=".";if(this.hvcC.general_tier_flag===0){t+="L"}else{t+="H"}t+=this.hvcC.general_level_idc;var i=false;var a="";for(e=5;e>=0;e--){if(this.hvcC.general_constraint_indicator[e]||i){a="."+f(this.hvcC.general_constraint_indicator[e],0)+a;i=true}}t+=a}return t};o.mp4aBox.prototype.getCodec=function(){var e=o.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI();var r=this.esds.esd.getAudioConfig();return e+"."+f(t)+(r?"."+r:"")}else{return e}};o.esdsBox.prototype.parse=function(e){this.parseFullHeader(e);this.data=e.readUint8Array(this.size);this.size=0;var t=new a;this.esd=t.parseOneDescriptor(new n(this.data.buffer,0,n.BIG_ENDIAN))};o.txtCBox.prototype.parse=function(e){this.parseFullHeader(e);this.config=e.readCString()};o.cttsBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.sample_counts=[];this.sample_offsets=[];if(this.version===0){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_offsets.push(e.readInt32())}}else if(this.version==1){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_offsets.push(e.readInt32())}}else{this.data=e.readUint8Array(this.size-4)}};o.cttsBox.prototype.unpack=function(e){var t,r,n;n=0;for(t=0;t<this.sample_counts.length;t++){for(r=0;r<this.sample_counts[t];r++){e[n].pts=e[n].dts+this.sample_offsets[t];n++}}};o.cslgBox.prototype.parse=function(e){var t;this.parseFullHeader(e);if(this.version===0){this.compositionToDTSShift=e.readInt32();this.leastDecodeToDisplayDelta=e.readInt32();this.greatestDecodeToDisplayDelta=e.readInt32();this.compositionStartTime=e.readInt32();this.compositionEndTime=e.readInt32()}else{this.data=e.readUint8Array(this.size-4)}};o.sttsBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.sample_counts=[];this.sample_deltas=[];if(this.version===0){for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());this.sample_deltas.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.sttsBox.prototype.unpack=function(e){var t,r,n;n=0;for(t=0;t<this.sample_counts.length;t++){for(r=0;r<this.sample_counts[t];r++){if(n===0){e[n].dts=0}else{e[n].dts=e[n-1].dts+this.sample_deltas[t]}n++}}};o.stssBox.prototype.parse=function(e){var t;this.parseFullHeader(e);t=e.readUint32();if(this.version===0){this.sample_numbers=e.readUint32Array(t)}else{this.data=e.readUint8Array(this.size-4)}};o.stshBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.shadowed_sample_numbers=[];this.sync_sample_numbers=[];if(this.version===0){for(r=0;r<t;r++){this.shadowed_sample_numbers.push(e.readUint32());this.sync_sample_numbers.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.stcoBox.prototype.parse=function(e){var t;this.parseFullHeader(e);t=e.readUint32();if(this.version===0){this.chunk_offsets=e.readUint32Array(t)}else{this.data=e.readUint8Array(this.size-4)}};o.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++){e[t].offset=this.chunk_offsets[t]}};o.co64Box.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.chunk_offsets=[];if(this.version===0){for(r=0;r<t;r++){this.chunk_offsets.push(e.readUint64())}}else{this.data=e.readUint8Array(this.size-4)}};o.stscBox.prototype.parse=function(e){var t;var r;this.parseFullHeader(e);t=e.readUint32();this.first_chunk=[];this.samples_per_chunk=[];this.sample_description_index=[];if(this.version===0){for(r=0;r<t;r++){this.first_chunk.push(e.readUint32());this.samples_per_chunk.push(e.readUint32());this.sample_description_index.push(e.readUint32())}}else{this.data=e.readUint8Array(this.size-4)}};o.stscBox.prototype.unpack=function(e){var t,r,n,i,a;i=0;a=0;for(t=0;t<this.first_chunk.length;t++){for(r=0;r<(t+1<this.first_chunk.length?this.first_chunk[t+1]:Infinity);r++){a++;for(n=0;n<this.samples_per_chunk[t];n++){if(e[i]){e[i].description_index=this.sample_description_index[t];e[i].chunk_index=a}else{return}i++}}}};o.stszBox.prototype.parse=function(e){var t;var r;var n;this.parseFullHeader(e);this.sample_sizes=[];if(this.version===0){r=e.readUint32();n=e.readUint32();if(r===0){this.sample_sizes=e.readUint32Array(n)}else{this.sample_sizes=[];for(t=0;t<n;t++){this.sample_sizes[t]=r}}}else{this.data=e.readUint8Array(this.size)}};o.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++){e[t].size=this.sample_sizes[t]}};o.mehdBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.fragment_duration=e.readUint64()}else{this.fragment_duration=e.readUint32()}};o.trexBox.prototype.parse=function(e){this.parseFullHeader(e);this.track_id=e.readUint32();this.default_sample_description_index=e.readUint32();this.default_sample_duration=e.readUint32();this.default_sample_size=e.readUint32();this.default_sample_flags=e.readUint32()};o.mfhdBox.prototype.parse=function(e){this.parseFullHeader(e);this.sequence_number=e.readUint32()};o.TFHD_FLAG_BASE_DATA_OFFSET=1;o.TFHD_FLAG_SAMPLE_DESC=2;o.TFHD_FLAG_SAMPLE_DUR=8;o.TFHD_FLAG_SAMPLE_SIZE=16;o.TFHD_FLAG_SAMPLE_FLAGS=32;o.TFHD_FLAG_DUR_EMPTY=65536;o.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072;o.tfhdBox.prototype.parse=function(e){var t=0;this.parseFullHeader(e);this.track_id=e.readUint32();if(this.size>t&&this.flags&o.TFHD_FLAG_BASE_DATA_OFFSET){this.base_data_offset=e.readUint64();t+=8}else{this.base_data_offset=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_DESC){this.default_sample_description_index=e.readUint32();t+=4}else{this.default_sample_description_index=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_DUR){this.default_sample_duration=e.readUint32();t+=4}else{this.default_sample_duration=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_SIZE){this.default_sample_size=e.readUint32();t+=4}else{this.default_sample_size=0}if(this.size>t&&this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){this.default_sample_flags=e.readUint32();t+=4}else{this.default_sample_flags=0}};o.TRUN_FLAGS_DATA_OFFSET=1;o.TRUN_FLAGS_FIRST_FLAG=4;o.TRUN_FLAGS_DURATION=256;o.TRUN_FLAGS_SIZE=512;o.TRUN_FLAGS_FLAGS=1024;o.TRUN_FLAGS_CTS_OFFSET=2048;o.trunBox.prototype.parse=function(e){var t=0;this.parseFullHeader(e);this.sample_count=e.readUint32();t+=4;if(this.size>t&&this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.data_offset=e.readInt32();t+=4}else{this.data_offset=0}if(this.size>t&&this.flags&o.TRUN_FLAGS_FIRST_FLAG){this.first_sample_flags=e.readUint32();t+=4}else{this.first_sample_flags=0}this.sample_duration=[];this.sample_size=[];this.sample_flags=[];this.sample_composition_time_offset=[];if(this.size>t){for(var r=0;r<this.sample_count;r++){if(this.flags&o.TRUN_FLAGS_DURATION){this.sample_duration[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_SIZE){this.sample_size[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_FLAGS){this.sample_flags[r]=e.readUint32()}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){if(this.version===0){this.sample_composition_time_offset[r]=e.readUint32()}else{this.sample_composition_time_offset[r]=e.readInt32()}}}}};o.tfdtBox.prototype.parse=function(e){this.parseFullHeader(e);if(this.version==1){this.baseMediaDecodeTime=e.readUint64()}else{this.baseMediaDecodeTime=e.readUint32()}};o.paylBox.prototype.parse=function(e){this.text=e.readString(this.size)};o.subsBox.prototype.parse=function(e){var t,r;var n;var i;this.parseFullHeader(e);n=e.readUint32();this.samples=[];for(t=0;t<n;t++){var a={};this.samples[t]=a;a.sample_delta=e.readUint32();a.subsamples=[];i=e.readUint16();if(i>0){for(r=0;r<i;r++){var s={};a.subsamples.push(s);if(this.version==1){s.size=e.readUint32()}else{s.size=e.readUint16()}s.priority=e.readUint8();s.discardable=e.readUint8();s.reserved=e.readUint32()}}}};o.Box.prototype.writeHeader=function(e,t){this.size+=8;if(this.size>n.MAX_SIZE){this.size+=8}s.d("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.position+(t||""));if(this.size>n.MAX_SIZE){e.writeUint32(1)}else{this.sizePosition=e.position;e.writeUint32(this.size)}e.writeString(this.type,null,4);if(this.size>n.MAX_SIZE){e.writeUint64(this.size)}};o.FullBox.prototype.writeHeader=function(e){this.size+=4;o.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags);e.writeUint8(this.version);e.writeUint24(this.flags)};o.Box.prototype.write=function(e){if(this.type==="mdat"){if(this.data){this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}}else{this.size=this.data.length;this.writeHeader(e);e.writeUint8Array(this.data)}};o.ContainerBox.prototype.write=function(e){this.size=0;this.writeHeader(e);for(var t=0;t<this.boxes.length;t++){if(this.boxes[t]){this.boxes[t].write(e);this.size+=this.boxes[t].size}}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.TrackReferenceTypeBox.prototype.write=function(e){this.size=this.track_ids.length*4;this.writeHeader(e);e.writeUint32Array(this.track_ids)};o.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length;this.writeHeader(e);e.writeString(this.major_brand,null,4);e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++){e.writeString(this.compatible_brands[t],null,4)}};o.mvhdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=23*4+2*2;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.timescale);e.writeUint32(this.duration);e.writeUint32(this.rate);e.writeUint16(this.volume<<8);e.writeUint16(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32Array(this.matrix);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(this.next_track_id)};o.tkhdBox.prototype.write=function(e){this.version=0;this.size=4*18+2*4;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.track_id);e.writeUint32(0);e.writeUint32(this.duration);e.writeUint32(0);e.writeUint32(0);e.writeInt16(this.layer);e.writeInt16(this.alternate_group);e.writeInt16(this.volume<<8);e.writeUint16(0);e.writeInt32Array(this.matrix);e.writeUint32(this.width);e.writeUint32(this.height)};o.mdhdBox.prototype.write=function(e){this.size=4*4+2*2;this.flags=0;this.version=0;this.writeHeader(e);e.writeUint32(this.creation_time);e.writeUint32(this.modification_time);e.writeUint32(this.timescale);e.writeUint32(this.duration);e.writeUint16(this.language);e.writeUint16(0)};o.hdlrBox.prototype.write=function(e){this.size=5*4+this.name.length+1;this.version=0;this.flags=0;this.writeHeader(e);e.writeUint32(0);e.writeString(this.handler,null,4);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeCString(this.name)};o.stsdBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=0;this.writeHeader(e);e.writeUint32(this.entries.length);this.size+=4;for(t=0;t<this.entries.length;t++){this.entries[t].write(e);this.size+=this.entries[t].size}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.SampleEntry.prototype.writeHeader=function(e){this.size=8;o.Box.prototype.writeHeader.call(this,e);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint8(0);e.writeUint16(this.data_reference_index)};o.SampleEntry.prototype.writeFooter=function(e){for(var t=0;t<this.boxes.length;t++){this.boxes[t].write(e);this.size+=this.boxes[t].size}s.d("BoxWriter","Adjusting box "+this.type+" with new size "+this.size);e.adjustUint32(this.sizePosition,this.size)};o.SampleEntry.prototype.write=function(e){this.writeHeader(e);this.writeFooter(e)};o.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e);this.size+=2*7+6*4+32;e.writeUint16(0);e.writeUint16(0);e.writeUint32(0);e.writeUint32(0);e.writeUint32(0);e.writeUint16(this.width-this.width%2);e.writeUint16(this.height-this.height%2);e.writeUint32(this.horizresolution);e.writeUint32(this.vertresolution);e.writeUint32(0);e.writeUint16(this.frame_count);e.writeString(this.compressorname,null,32);e.writeUint16(this.depth);e.writeInt16(-1);this.writeFooter(e)};o.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e);this.size+=2*4+3*4;e.writeUint32(0);e.writeUint32(0);e.writeUint16(this.channel_count);e.writeUint16(this.samplesize);e.writeUint16(0);e.writeUint16(0);e.writeUint32(this.samplerate<<16);this.writeFooter(e)};o.avcCBox.prototype.write=function(e){var t;this.size=7;for(t=0;t<this.SPS.length;t++){this.size+=2+this.SPS[t].length}for(t=0;t<this.PPS.length;t++){this.size+=2+this.PPS[t].length}if(this.ext){this.size+=this.ext.length}this.writeHeader(e);e.writeUint8(this.configurationVersion);e.writeUint8(this.AVCProfileIndication);e.writeUint8(this.profile_compatibility);e.writeUint8(this.AVCLevelIndication);e.writeUint8(this.lengthSizeMinusOne+(63<<2));e.writeUint8(this.SPS.length+(7<<5));for(t=0;t<this.SPS.length;t++){e.writeUint16(this.SPS[t].length);e.writeUint8Array(this.SPS[t])}e.writeUint8(this.PPS.length);for(t=0;t<this.PPS.length;t++){e.writeUint16(this.PPS[t].length);e.writeUint8Array(this.PPS[t])}if(this.ext){e.writeUint8Array(this.ext)}};o.cttsBox.prototype.write=function(e){var t;this.version=1;this.flags=0;this.size=4+8*this.sample_counts.length;this.writeHeader(e);e.writeUint32(this.sample_counts.length);for(t=0;t<this.sample_counts.length;t++){e.writeUint32(this.sample_counts[t]);e.writeInt32(this.sample_offsets[t])}};o.cslgBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4*5;this.writeHeader(e);e.writeInt32(this.compositionToDTSShift);e.writeInt32(this.leastDecodeToDisplayDelta);e.writeInt32(this.greatestDecodeToDisplayDelta);e.writeInt32(this.compositionStartTime);e.writeInt32(this.compositionEndTime)};o.sttsBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.sample_counts.length;this.writeHeader(e);e.writeUint32(this.sample_counts.length);for(t=0;t<this.sample_counts.length;t++){e.writeUint32(this.sample_counts[t]);e.writeUint32(this.sample_deltas[t])}};o.stssBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4+4*this.sample_numbers.length;this.writeHeader(e);e.writeUint32(this.sample_numbers.length);e.writeUint32Array(this.sample_numbers)};o.stshBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.shadowed_sample_numbers.length;this.writeHeader(e);e.writeUint32(this.shadowed_sample_numbers.length);for(t=0;t<this.shadowed_sample_numbers.length;t++){e.writeUint32(this.shadowed_sample_numbers[t]);e.writeUint32(this.sync_sample_numbers[t])}};o.stcoBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4+4*this.chunk_offsets.length;this.writeHeader(e);e.writeUint32(this.chunk_offsets.length);e.writeUint32Array(this.chunk_offsets)};o.co64Box.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+8*this.chunk_offsets.length;this.writeHeader(e);e.writeUint32(this.chunk_offsets.length);for(t=0;t<this.chunk_offsets.length;t++){e.writeUint64(this.chunk_offsets[t])}};o.stscBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=4+12*this.first_chunk.length;this.writeHeader(e);e.writeUint32(this.first_chunk.length);for(t=0;t<this.first_chunk.length;t++){e.writeUint32(this.first_chunk[t]);e.writeUint32(this.samples_per_chunk[t]);e.writeUint32(this.sample_description_index[t])}};o.stszBox.prototype.write=function(e){var t;this.version=0;this.flags=0;this.size=8+12*this.sample_sizes.length;this.writeHeader(e);e.writeUint32(0);e.writeUint32(this.sample_sizes.length);e.writeUint32Array(this.sample_sizes)};o.mehdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);e.writeUint32(this.fragment_duration)};o.trexBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4*5;this.writeHeader(e);e.writeUint32(this.track_id);e.writeUint32(this.default_sample_description_index);e.writeUint32(this.default_sample_duration);e.writeUint32(this.default_sample_size);e.writeUint32(this.default_sample_flags)};o.mfhdBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);e.writeUint32(this.sequence_number)};o.tfhdBox.prototype.write=function(e){this.version=0;this.size=4;if(this.flags&o.TFHD_FLAG_BASE_OFFSET){this.size+=8}if(this.flags&o.TFHD_FLAG_SAMPLE_DESC){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_DUR){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_SIZE){this.size+=4}if(this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){this.size+=4}this.writeHeader(e);e.writeUint32(this.track_id);if(this.flags&o.TFHD_FLAG_BASE_OFFSET){e.writeUint64(this.base_data_offset)}if(this.flags&o.TFHD_FLAG_SAMPLE_DESC){e.writeUint32(this.default_sample_description_index)}if(this.flags&o.TFHD_FLAG_SAMPLE_DUR){e.writeUint32(this.default_sample_duration)}if(this.flags&o.TFHD_FLAG_SAMPLE_SIZE){e.writeUint32(this.default_sample_size)}if(this.flags&o.TFHD_FLAG_SAMPLE_FLAGS){e.writeUint32(this.default_sample_flags)}};o.trunBox.prototype.write=function(e){this.version=0;this.size=4;if(this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.size+=4}if(this.flags&o.TRUN_FLAGS_FIRST_FLAG){this.size+=4}if(this.flags&o.TRUN_FLAGS_DURATION){this.size+=4*this.sample_duration.length}if(this.flags&o.TRUN_FLAGS_SIZE){this.size+=4*this.sample_size.length}if(this.flags&o.TRUN_FLAGS_FLAGS){this.size+=4*this.sample_flags.length}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){this.size+=4*this.sample_composition_time_offset.length}this.writeHeader(e);e.writeUint32(this.sample_count);if(this.flags&o.TRUN_FLAGS_DATA_OFFSET){this.data_offset_position=e.position;e.writeInt32(this.data_offset)}if(this.flags&o.TRUN_FLAGS_FIRST_FLAG){e.writeUint32(this.first_sample_flags)}for(var t=0;t<this.sample_count;t++){if(this.flags&o.TRUN_FLAGS_DURATION){e.writeUint32(this.sample_duration[t])}if(this.flags&o.TRUN_FLAGS_SIZE){e.writeUint32(this.sample_size[t])}if(this.flags&o.TRUN_FLAGS_FLAGS){e.writeUint32(this.sample_flags[t])}if(this.flags&o.TRUN_FLAGS_CTS_OFFSET){if(this.version===0){e.writeUint32(this.sample_composition_time_offset[t])}else{e.writeInt32(this.sample_composition_time_offset[t])}}}};o.tfdtBox.prototype.write=function(e){this.version=0;this.flags=0;this.size=4;this.writeHeader(e);if(this.version==1){e.writeUint64(this.baseMediaDecodeTime)}else{e.writeUint32(this.baseMediaDecodeTime)}}},{"./DataStream":223,"./descriptor":225,"./log":227}],225:[function(e,t,r){var n=e("./log");var i=function(){var e=3;var t=4;var r=5;var i=6;var a=[];a[e]="ES_Descriptor";a[t]="DecoderConfigDescriptor";a[r]="DecoderSpecificInfo";a[i]="SLConfigDescriptor";var s=this;var o={};this.parseOneDescriptor=function(e){var t=0;var r=0;var i;var s;var f;i=e.readUint8();t++;f=e.readUint8();t++;while(f&128){r=(f&127)<<7;f=e.readUint8();t++}r+=f&127;n.d("MPEG4DescriptorParser","Found "+(a[i]|"Descriptor "+i)+", size "+r+" at position "+e.position);if(a[i]){s=new o[a[i]](r)}else{s=new o.Descriptor(r)}s.parse(e);return s};o.Descriptor=function(e,t){this.tag=e;this.size=t;this.descs=[]};o.Descriptor.prototype.parse=function(e){this.data=e.readUint8Array(this.size)};o.Descriptor.prototype.findDescriptor=function(e){for(var t=0;t<this.descs.length;t++){if(this.descs[t].tag==e){return this.descs[t]}}return null};o.Descriptor.prototype.parseRemainingDescriptors=function(e){var t=e.position;while(e.position<t+this.size){var r=s.parseOneDescriptor(e);this.descs.push(r)}};o.ES_Descriptor=function(t){
+o.Descriptor.call(this,e,t)};o.ES_Descriptor.prototype=new o.Descriptor;o.ES_Descriptor.prototype.parse=function(e){this.ES_ID=e.readUint16();this.flags=e.readUint8();this.size-=3;if(this.flags&128){this.dependsOn_ES_ID=e.readUint16();this.size-=2}else{this.dependsOn_ES_ID=0}if(this.flags&64){var t=e.readUint8();this.URL=e.readString(t);this.size-=t+1}else{this.URL=null}if(this.flags&32){this.OCR_ES_ID=e.readUint16();this.size-=2}else{this.OCR_ES_ID=0}this.parseRemainingDescriptors(e)};o.ES_Descriptor.prototype.getOTI=function(e){var r=this.findDescriptor(t);if(r){return r.oti}else{return 0}};o.ES_Descriptor.prototype.getAudioConfig=function(e){var n=this.findDescriptor(t);if(!n)return null;var i=n.findDescriptor(r);if(i&&i.data){return(i.data[0]&248)>>3}else{return null}};o.DecoderConfigDescriptor=function(e){o.Descriptor.call(this,t,e)};o.DecoderConfigDescriptor.prototype=new o.Descriptor;o.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8();this.streamType=e.readUint8();this.bufferSize=e.readUint24();this.maxBitrate=e.readUint32();this.avgBitrate=e.readUint32();this.size-=13;this.parseRemainingDescriptors(e)};o.DecoderSpecificInfo=function(e){o.Descriptor.call(this,r,e)};o.DecoderSpecificInfo.prototype=new o.Descriptor;o.SLConfigDescriptor=function(e){o.Descriptor.call(this,i,e)};o.SLConfigDescriptor.prototype=new o.Descriptor;return this};t.exports=i},{"./log":227}],226:[function(e,t,r){var n=e("./box");var i=e("./DataStream");var a=e("./log");var s=function(e){this.stream=e;this.boxes=[];this.mdats=[];this.moofs=[];this.isProgressive=false;this.lastMoofIndex=0;this.lastBoxStartPosition=0;this.parsingMdat=null;this.moovStartFound=false;this.samplesDataSize=0;this.nextParsePosition=0};t.exports=s;s.prototype.mergeNextBuffer=function(){var e;if(this.stream.bufferIndex+1<this.stream.nextBuffers.length){e=this.stream.nextBuffers[this.stream.bufferIndex+1];if(e.fileStart===this.stream.buffer.fileStart+this.stream.buffer.byteLength){var t=this.stream.buffer.byteLength;var r=this.stream.buffer.usedBytes;var n=this.stream.buffer.fileStart;this.stream.nextBuffers[this.stream.bufferIndex]=ArrayBuffer.concat(this.stream.buffer,e);this.stream.buffer=this.stream.nextBuffers[this.stream.bufferIndex];this.stream.nextBuffers.splice(this.stream.bufferIndex+1,1);this.stream.buffer.usedBytes=r;this.stream.buffer.fileStart=n;a.d("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.stream.buffer.byteLength+")");return true}else{return false}}else{return false}};s.prototype.parse=function(){var e;var t;var r;a.d("ISOFile","Starting parsing with buffer #"+this.stream.bufferIndex+" (fileStart: "+this.stream.buffer.fileStart+" - Length: "+this.stream.buffer.byteLength+") from position "+this.lastBoxStartPosition+" ("+(this.stream.buffer.fileStart+this.lastBoxStartPosition)+" in the file)");this.stream.seek(this.lastBoxStartPosition);while(true){if(this.parsingMdat!==null){r=this.parsingMdat;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){a.d("ISOFile","Found 'mdat' end in buffer #"+this.stream.bufferIndex);this.parsingMdat=null;continue}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex);return}}else{this.lastBoxStartPosition=this.stream.position;t=n.parseOneBox(this.stream);if(t.code===n.ERR_NOT_ENOUGH_DATA){if(t.type==="mdat"){r=new n[t.type+"Box"](t.size-t.hdr_size);this.parsingMdat=r;this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+this.stream.position;r.hdr_size=t.hdr_size;this.stream.buffer.usedBytes+=t.hdr_size;e=this.reposition(false,r.fileStart+r.hdr_size+r.size);if(e){this.parsingMdat=null;continue}else{if(!this.moovStartFound){this.nextParsePosition=r.fileStart+r.size+r.hdr_size}else{this.nextParsePosition=this.findEndContiguousBuf(this.stream.bufferIndex)}return}}else{if(t.type==="moov"){this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}}else if(t.type==="free"){e=this.reposition(false,this.stream.buffer.fileStart+this.stream.position+t.size);if(e){continue}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size;return}}merged=this.mergeNextBuffer();if(merged){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength;continue}else{if(!t.type){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{if(this.moovStartFound){this.nextParsePosition=this.stream.buffer.fileStart+this.stream.buffer.byteLength}else{this.nextParsePosition=this.stream.buffer.fileStart+this.stream.position+t.size}}return}}}else{r=t.box;this.boxes.push(r);switch(r.type){case"mdat":this.mdats.push(r);r.fileStart=this.stream.buffer.fileStart+r.start;break;case"moof":this.moofs.push(r);break;case"moov":this.moovStartFound=true;if(this.mdats.length===0){this.isProgressive=true}default:if(this[r.type]!==undefined){a.w("ISOFile","Duplicate Box of type: "+r.type+", overriding previous occurrence")}this[r.type]=r;break}if(r.type==="mdat"){this.stream.buffer.usedBytes+=r.hdr_size}else{this.stream.buffer.usedBytes+=t.size}}}}};s.prototype.reposition=function(e,t){var r;r=this.findPosition(e,t);if(r!==-1){this.stream.buffer=this.stream.nextBuffers[r];this.stream.bufferIndex=r;this.stream.position=t-this.stream.buffer.fileStart;a.d("ISOFile","Repositioning parser at buffer position: "+this.stream.position);return true}else{return false}};s.prototype.findPosition=function(e,t){var r;var n=null;var i=-1;if(e===true){r=0}else{r=this.stream.bufferIndex}while(r<this.stream.nextBuffers.length){n=this.stream.nextBuffers[r];if(n.fileStart<=t){i=r}else{break}r++}if(i!==-1){n=this.stream.nextBuffers[i];if(n.fileStart+n.byteLength>=t){a.d("ISOFile","Found position in existing buffer #"+i);return i}else{return-1}}else{return-1}};s.prototype.findEndContiguousBuf=function(e){var t;var r;var n;r=this.stream.nextBuffers[e];if(this.stream.nextBuffers.length>e+1){for(t=e+1;t<this.stream.nextBuffers.length;t++){n=this.stream.nextBuffers[t];if(n.fileStart===r.fileStart+r.byteLength){r=n}else{break}}}return r.fileStart+r.byteLength};s.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++){this.boxes[t].write(e)}};s.prototype.writeInitializationSegment=function(e){var t;var r;var i;var s;var o;a.d("ISOFile","Generating initialization segment");this.ftyp.write(e);if(this.moov.mvex){this.initial_duration=this.moov.mvex.mehd.fragment_duration;r=-1;for(t=0;t<this.moov.boxes.length;t++){o=this.moov.boxes[t];if(o===this.moov.mvex){r=t}}if(r>-1){this.moov.boxes.splice(r,1)}this.moov.mvex=null}this.moov.mvex=new n.mvexBox;this.moov.boxes.push(this.moov.mvex);this.moov.mvex.mehd=new n.mehdBox;this.moov.mvex.boxes.push(this.moov.mvex.mehd);this.moov.mvex.mehd.fragment_duration=this.initial_duration;for(t=0;t<this.moov.traks.length;t++){if(this.moov.traks[t].ignore)continue;s=new n.trexBox;this.moov.mvex.boxes.push(s);s.track_id=this.moov.traks[t].tkhd.track_id;s.default_sample_description_index=1;s.default_sample_duration=this.moov.traks[t].samples.length>0?this.moov.traks[t].samples[0].duration:0;s.default_sample_size=0;s.default_sample_flags=1<<16}this.moov.write(e)};s.prototype.resetTables=function(){var e;var t,r,n,i,a,s,o,f;this.initial_duration=this.moov.mvhd.duration;this.moov.mvhd.duration=0;for(e=0;e<this.moov.traks.length;e++){t=this.moov.traks[e];t.tkhd.duration=0;t.mdia.mdhd.duration=0;r=t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64;r.chunk_offsets=[];n=t.mdia.minf.stbl.stsc;n.first_chunk=[];n.samples_per_chunk=[];n.sample_description_index=[];i=t.mdia.minf.stbl.stsz;i.sample_sizes=[];a=t.mdia.minf.stbl.stts;a.sample_counts=[];a.sample_deltas=[];s=t.mdia.minf.stbl.ctts;if(s){s.sample_counts=[];s.sample_offsets=[]}o=t.mdia.minf.stbl.stss;if(o){o.sample_numbers=new Uint32Array(0)}f=t.mdia.minf.stbl.sdtp;var u=t.mdia.minf.stbl.boxes.indexOf(f);if(u!=-1)t.mdia.minf.stbl.boxes[u]=null}};s.prototype.buildSampleLists=function(){var e,t,r;var n,i,a,s,o,f,u,l,c;var p,d,h,m,v;var g,y,_,b,w,x;this.originalMvex=this.moov.mvex;for(e=0;e<this.moov.traks.length;e++){n=this.moov.traks[e];n.samples=[];i=n.mdia.minf.stbl.stco||n.mdia.minf.stbl.co64;a=n.mdia.minf.stbl.stsc;s=n.mdia.minf.stbl.stsz;o=n.mdia.minf.stbl.stts;f=n.mdia.minf.stbl.ctts;u=n.mdia.minf.stbl.stss;l=n.mdia.minf.stbl.stsd;c=n.mdia.minf.stbl.subs;g=-1;y=-1;_=-1;b=-1;w=0;subs_entry_index=0;last_subs_sample_index=0;for(t=0;t<s.sample_sizes.length;t++){var k={};k.number=t;k.track_id=n.tkhd.track_id;k.timescale=n.mdia.mdhd.timescale;n.samples[t]=k;k.size=s.sample_sizes[t];if(t===0){d=1;p=0;k.chunk_index=d;k.chunk_run_index=p;v=a.samples_per_chunk[p];m=0;if(p+1<a.first_chunk.length){h=a.first_chunk[p+1]-1}else{h=Infinity}}else{if(t<v){k.chunk_index=d;k.chunk_run_index=p}else{d++;k.chunk_index=d;m=0;if(d<=h){}else{p++;if(p+1<a.first_chunk.length){h=a.first_chunk[p+1]-1}else{h=Infinity}}k.chunk_run_index=p;v+=a.samples_per_chunk[p]}}k.description=l.entries[a.sample_description_index[k.chunk_run_index]-1];k.offset=i.chunk_offsets[k.chunk_index-1]+m;m+=k.size;if(t>g){y++;if(g<0){g=0}g+=o.sample_counts[y]}if(t>0){n.samples[t-1].duration=o.sample_deltas[y];k.dts=n.samples[t-1].dts+n.samples[t-1].duration}else{k.dts=0}if(f){if(t>_){b++;_+=f.sample_counts[b]}k.cts=n.samples[t].dts+f.sample_offsets[b]}else{k.cts=k.dts}if(u){if(t==u.sample_numbers[w]-1){k.is_rap=true;w++}else{k.is_rap=false}}else{k.is_rap=true}if(c){if(c.samples[subs_entry_index].sample_delta+last_subs_sample_index==t){k.subsamples=c.samples[subs_entry_index].subsamples;last_subs_sample_index+=c.samples[subs_entry_index].sample_delta}}}if(t>0)n.samples[t-1].duration=n.mdia.mdhd.duration-n.samples[t-1].dts}};s.prototype.updateSampleLists=function(){var e,t,r;var i,a,s,o;var f;var u,l,c,p,d;var h;while(this.lastMoofIndex<this.moofs.length){u=this.moofs[this.lastMoofIndex];this.lastMoofIndex++;if(u.type=="moof"){l=u;for(e=0;e<l.trafs.length;e++){c=l.trafs[e];p=this.getTrackById(c.tfhd.track_id);d=this.getTrexById(c.tfhd.track_id);if(c.tfhd.flags&n.TFHD_FLAG_SAMPLE_DESC){i=c.tfhd.default_sample_description_index}else{i=d.default_sample_description_index}if(c.tfhd.flags&n.TFHD_FLAG_SAMPLE_DUR){a=c.tfhd.default_sample_duration}else{a=d.default_sample_duration}if(c.tfhd.flags&n.TFHD_FLAG_SAMPLE_SIZE){s=c.tfhd.default_sample_size}else{s=d.default_sample_size}if(c.tfhd.flags&n.TFHD_FLAG_SAMPLE_FLAGS){o=c.tfhd.default_sample_flags}else{o=d.default_sample_flags}for(t=0;t<c.truns.length;t++){var m=c.truns[t];for(r=0;r<m.sample_count;r++){h={};c.first_sample_index=p.samples.length;p.samples.push(h);h.track_id=p.tkhd.track_id;h.timescale=p.mdia.mdhd.timescale;h.description=p.mdia.minf.stbl.stsd.entries[i-1];h.size=s;if(m.flags&n.TRUN_FLAGS_SIZE){h.size=m.sample_size[r]}h.duration=a;if(m.flags&n.TRUN_FLAGS_DURATION){h.duration=m.sample_duration[r]}if(p.first_traf_merged||r>0){h.dts=p.samples[p.samples.length-2].dts+p.samples[p.samples.length-2].duration}else{if(c.tfdt){h.dts=c.tfdt.baseMediaDecodeTime}else{h.dts=0}p.first_traf_merged=true}h.cts=h.dts;if(m.flags&n.TRUN_FLAGS_CTS_OFFSET){h.cts=h.dts+m.sample_composition_time_offset[r]}sample_flags=o;if(m.flags&n.TRUN_FLAGS_FLAGS){sample_flags=m.sample_flags[r]}else if(r===0&&m.flags&n.TRUN_FLAGS_FIRST_FLAG){sample_flags=m.first_sample_flags}h.is_rap=sample_flags>>16&1?false:true;var v=c.tfhd.flags&n.TFHD_FLAG_BASE_DATA_OFFSET?true:false;var g=c.tfhd.flags&n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF?true:false;var y=m.flags&n.TRUN_FLAGS_DATA_OFFSET?true:false;var _=0;if(!v){if(!g){if(t===0){_=l.fileStart}else{_=f}}else{_=l.fileStart}}else{_=c.tfhd.base_data_offset}if(t===0&&r===0){if(y){h.offset=_+m.data_offset}else{h.offset=_}}else{h.offset=f}f=h.offset+h.size}}if(c.subs){var b=c.first_sample_index;for(t=0;t<c.subs.samples.length;t++){b+=c.subs.samples[t].sample_delta;h=p.samples[b-1];h.subsamples=c.subs.samples[t].subsamples}}}}}};s.prototype.getCodecs=function(){var e;var t="";for(e=0;e<this.moov.traks.length;e++){var r=this.moov.traks[e];if(e>0){t+=","}t+=r.mdia.minf.stbl.stsd.entries[0].getCodec()}return t};s.prototype.getTrexById=function(e){var t;if(!this.originalMvex)return null;for(t=0;t<this.originalMvex.trexs.length;t++){var r=this.originalMvex.trexs[t];if(r.track_id==e)return r}return null};s.prototype.getTrackById=function(e){for(var t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];if(r.tkhd.track_id==e)return r}return null};s.prototype.getSample=function(e,t){var r;var n;var s=e.samples[t];if(!this.moov){return null}if(!s.data){s.data=new Uint8Array(s.size);s.alreadyRead=0;this.samplesDataSize+=s.size;a.d("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+s.size+" (total: "+this.samplesDataSize+")")}else if(s.alreadyRead==s.size){return s}for(n=0;n<this.stream.nextBuffers.length;n++){r=this.stream.nextBuffers[n];if(s.offset+s.alreadyRead>=r.fileStart&&s.offset+s.alreadyRead<r.fileStart+r.byteLength){var o=r.byteLength-(s.offset+s.alreadyRead-r.fileStart);if(s.size-s.alreadyRead<=o){a.d("ISOFile","Getting sample #"+t+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" size: "+(s.size-s.alreadyRead)+")");i.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,s.size-s.alreadyRead);s.alreadyRead=s.size;r.usedBytes+=s.size-s.alreadyRead;if(r.usedBytes===r.byteLength){this.stream.nextBuffers.splice(n,1);n--}return s}else{a.d("ISOFile","Getting sample data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" size: "+o+")");i.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,o);s.alreadyRead+=o;r.usedBytes+=o;if(r.usedBytes===r.byteLength){this.stream.nextBuffers.splice(n,1);n--}}}}return null};s.prototype.releaseSample=function(e,t){var r=e.samples[t];r.data=null;this.samplesDataSize-=r.size;return r.size}},{"./DataStream":223,"./box":224,"./log":227}],227:[function(e,t,r){var n=function(){var e=new Date;var t=4;var r=3;var i=2;var a=1;var s=t;var o={setLogLevel:function(e){if(e==this.d)s=a;else if(e==this.i)s=i;else if(e==this.w)s=r;else if(e==this.e)s=t;else s=t},d:function(t,r){if(a>=s){console.debug("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},i:function(t,r){if(i>=s){console.info("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",r)}},w:function(t,i){if(r>=s){console.warn("["+n.getDurationString(new Date-e,1e3)+"]","["+t+"]",i)}},e:function(r,i){if(t>=s){console.error("["+n.getDurationString(new Date-e,1e3)+"]","["+r+"]",i)}}};return o}();t.exports=n;n.getDurationString=function(e,t){function r(e,t){var r=""+e;var n=r.split(".");while(n[0].length<t){n[0]="0"+n[0]}return n.join(".")}var n=t||1;var i=e/n;var a=Math.floor(i/3600);i-=a*3600;var s=Math.floor(i/60);i-=s*60;var o=i*1e3;i=Math.floor(i);o-=i*1e3;o=Math.floor(o);return""+a+":"+r(s,2)+":"+r(i,2)+"."+r(o,3)};n.printRanges=function(e){var t=e.length;if(t>0){var r="";for(var i=0;i<t;i++){if(i>0)r+=",";r+="["+n.getDurationString(e.start(i))+","+n.getDurationString(e.end(i))+"]"}return r}else{return"(empty)"}}},{}],228:[function(e,t,r){var n=e("./box");var a=e("./DataStream");var s=e("./isofile");var o=e("./log");var f=function(){this.inputStream=null;this.nextBuffers=[];this.inputIsoFile=null;this.onMoovStart=null;this.moovStartSent=false;this.onReady=null;this.readySent=false;this.onSegment=null;this.onSamples=null;this.onError=null;this.sampleListBuilt=false;this.fragmentedTracks=[];this.extractedTracks=[];this.isFragmentationStarted=false;this.nextMoofNumber=0};t.exports=f;f.prototype.setSegmentOptions=function(e,t,r){var n=this.inputIsoFile.getTrackById(e);if(n){var i={};this.fragmentedTracks.push(i);i.id=e;i.user=t;i.trak=n;n.nextSample=0;i.segmentStream=null;i.nb_samples=1e3;i.rapAlignement=true;if(r){if(r.nbSamples)i.nb_samples=r.nbSamples;if(r.rapAlignement)i.rapAlignement=r.rapAlignement}}};f.prototype.unsetSegmentOptions=function(e){var t=-1;for(var r=0;r<this.fragmentedTracks.length;r++){var n=this.fragmentedTracks[r];if(n.id==e){t=r}}if(t>-1){this.fragmentedTracks.splice(t,1)}};f.prototype.setExtractionOptions=function(e,t,r){var n=this.inputIsoFile.getTrackById(e);if(n){var i={};this.extractedTracks.push(i);i.id=e;i.user=t;i.trak=n;n.nextSample=0;i.nb_samples=1e3;i.samples=[];if(r){if(r.nbSamples)i.nb_samples=r.nbSamples}}};f.prototype.unsetExtractionOptions=function(e){var t=-1;for(var r=0;r<this.extractedTracks.length;r++){var n=this.extractedTracks[r];if(n.id==e){t=r}}if(t>-1){this.extractedTracks.splice(t,1)}};f.prototype.createSingleSampleMoof=function(e){var t=new n.moofBox;var r=new n.mfhdBox;r.sequence_number=this.nextMoofNumber;this.nextMoofNumber++;t.boxes.push(r);var i=new n.trafBox;t.boxes.push(i);var a=new n.tfhdBox;i.boxes.push(a);a.track_id=e.track_id;a.flags=n.TFHD_FLAG_DEFAULT_BASE_IS_MOOF;var s=new n.tfdtBox;i.boxes.push(s);s.baseMediaDecodeTime=e.dts;var o=new n.trunBox;i.boxes.push(o);t.trun=o;o.flags=n.TRUN_FLAGS_DATA_OFFSET|n.TRUN_FLAGS_DURATION|n.TRUN_FLAGS_SIZE|n.TRUN_FLAGS_FLAGS|n.TRUN_FLAGS_CTS_OFFSET;o.data_offset=0;o.first_sample_flags=0;o.sample_count=1;o.sample_duration=[];o.sample_duration[0]=e.duration;o.sample_size=[];o.sample_size[0]=e.size;o.sample_flags=[];o.sample_flags[0]=0;o.sample_composition_time_offset=[];o.sample_composition_time_offset[0]=e.cts-e.dts;return t};f.prototype.createFragment=function(e,t,r,i){var s=this.inputIsoFile.getTrackById(t);var f=this.inputIsoFile.getSample(s,r);if(f==null){if(this.nextSeekPosition){this.nextSeekPosition=Math.min(s.samples[r].offset,this.nextSeekPosition)}else{this.nextSeekPosition=s.samples[r].offset}return null}var u=i||new a;u.endianness=a.BIG_ENDIAN;var l=this.createSingleSampleMoof(f);l.write(u);l.trun.data_offset=l.size+8;o.d("BoxWriter","Adjusting data_offset with new value "+l.trun.data_offset);u.adjustUint32(l.trun.data_offset_position,l.trun.data_offset);var c=new n.mdatBox;c.data=f.data;c.write(u);return u};ArrayBuffer.concat=function(e,t){o.d("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);r.set(new Uint8Array(e),0);r.set(new Uint8Array(t),e.byteLength);return r.buffer};f.prototype.reduceBuffer=function(e,t,r){var n;n=new Uint8Array(r);n.set(new Uint8Array(e,t,r));n.buffer.fileStart=e.fileStart+t;n.buffer.usedBytes=0;return n.buffer};f.prototype.insertBuffer=function(e){var t=true;for(var r=0;r<this.nextBuffers.length;r++){var n=this.nextBuffers[r];if(e.fileStart<=n.fileStart){if(e.fileStart===n.fileStart){if(e.byteLength>n.byteLength){this.nextBuffers.splice(r,1);r--;continue}else{o.w("MP4Box","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}}else{if(e.fileStart+e.byteLength<=n.fileStart){}else{e=this.reduceBuffer(e,0,n.fileStart-e.fileStart)}o.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.splice(r,0,e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}t=false;break}else if(e.fileStart<n.fileStart+n.byteLength){var i=n.fileStart+n.byteLength-e.fileStart;var a=e.byteLength-i;if(a>0){e=this.reduceBuffer(e,i,a)}else{t=false;break}}}if(t){o.d("MP4Box","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")");this.nextBuffers.push(e);if(r===0&&this.inputStream!==null){this.inputStream.buffer=e}}};f.prototype.processSamples=function(){var e;var t;if(this.isFragmentationStarted&&this.onSegment!==null){for(e=0;e<this.fragmentedTracks.length;e++){var r=this.fragmentedTracks[e];t=r.trak;while(t.nextSample<t.samples.length){o.d("MP4Box","Creating media fragment on track #"+r.id+" for sample "+t.nextSample);var n=this.createFragment(this.inputIsoFile,r.id,t.nextSample,r.segmentStream);if(n){r.segmentStream=n;t.nextSample++}else{break}if(t.nextSample%r.nb_samples===0||t.nextSample>=t.samples.length){o.i("MP4Box","Sending fragmented data on track #"+r.id+" for samples ["+(t.nextSample-r.nb_samples)+","+(t.nextSample-1)+"]");if(this.onSegment){this.onSegment(r.id,r.user,r.segmentStream.buffer,t.nextSample)}r.segmentStream=null;if(r!==this.fragmentedTracks[e]){break}}}}}if(this.onSamples!==null){for(e=0;e<this.extractedTracks.length;e++){var i=this.extractedTracks[e];t=i.trak;while(t.nextSample<t.samples.length){o.d("MP4Box","Exporting on track #"+i.id+" sample #"+t.nextSample);var a=this.inputIsoFile.getSample(t,t.nextSample);if(a){t.nextSample++;i.samples.push(a)}else{return}if(t.nextSample%i.nb_samples===0||t.nextSample>=t.samples.length){o.d("MP4Box","Sending samples on track #"+i.id+" for sample "+t.nextSample);if(this.onSamples){this.onSamples(i.id,i.user,i.samples)}i.samples=[];if(i!==this.extractedTracks[e]){break}}}}}};f.prototype.appendBuffer=function(e){var t;var r;if(e===null||e===undefined){throw"Buffer must be defined and non empty"}if(e.fileStart===undefined){throw"Buffer must have a fileStart property"}if(e.byteLength===0){o.w("MP4Box","Ignoring empty buffer (fileStart: "+e.fileStart+")");return}e.usedBytes=0;this.insertBuffer(e);if(!this.inputStream){if(this.nextBuffers.length>0){r=this.nextBuffers[0];if(r.fileStart===0){this.inputStream=new a(r,0,a.BIG_ENDIAN);this.inputStream.nextBuffers=this.nextBuffers;this.inputStream.bufferIndex=0}else{o.w("MP4Box","The first buffer should have a fileStart of 0");return}}else{o.w("MP4Box","No buffer to start parsing from");return}}if(!this.inputIsoFile){this.inputIsoFile=new s(this.inputStream)}this.inputIsoFile.parse();if(this.inputIsoFile.moovStartFound&&!this.moovStartSent){this.moovStartSent=true;if(this.onMoovStart)this.onMoovStart()}if(this.inputIsoFile.moov){if(!this.sampleListBuilt){this.inputIsoFile.buildSampleLists();this.sampleListBuilt=true}this.inputIsoFile.updateSampleLists();if(this.onReady&&!this.readySent){var n=this.getInfo();this.readySent=true;this.onReady(n)}this.processSamples();if(this.nextSeekPosition){t=this.nextSeekPosition;this.nextSeekPosition=undefined}else{t=this.inputIsoFile.nextParsePosition}var i=this.inputIsoFile.findPosition(true,t);if(i!==-1){t=this.inputIsoFile.findEndContiguousBuf(i)}o.i("MP4Box","Next buffer to fetch should have a fileStart position of "+t);return t}else{if(this.inputIsoFile!==null){return this.inputIsoFile.nextParsePosition}else{return 0}}};f.prototype.getInfo=function(){var e={};var t;var r;var n;var a=new Date(4,0,1,0,0,0,0).getTime();e.duration=this.inputIsoFile.moov.mvhd.duration;e.timescale=this.inputIsoFile.moov.mvhd.timescale;e.isFragmented=this.inputIsoFile.moov.mvex!=null;if(e.isFragmented&&this.inputIsoFile.moov.mvex.mehd){e.fragment_duration=this.inputIsoFile.moov.mvex.mehd.fragment_duration}else{e.fragment_duration=0}e.isProgressive=this.inputIsoFile.isProgressive;e.hasIOD=this.inputIsoFile.moov.iods!=null;e.brands=[];e.brands.push(this.inputIsoFile.ftyp.major_brand);e.brands=e.brands.concat(this.inputIsoFile.ftyp.compatible_brands);e.created=new Date(a+this.inputIsoFile.moov.mvhd.creation_time*1e3);e.modified=new Date(a+this.inputIsoFile.moov.mvhd.modification_time*1e3);e.tracks=[];e.audioTracks=[];e.videoTracks=[];e.subtitleTracks=[];e.metadataTracks=[];e.hintTracks=[];e.otherTracks=[];for(i=0;i<this.inputIsoFile.moov.traks.length;i++){t=this.inputIsoFile.moov.traks[i];n=t.mdia.minf.stbl.stsd.entries[0];r={};e.tracks.push(r);r.id=t.tkhd.track_id;r.references=[];if(t.tref){for(j=0;j<t.tref.boxes.length;j++){ref={};r.references.push(ref);ref.type=t.tref.boxes[j].type;ref.track_ids=t.tref.boxes[j].track_ids}}r.created=new Date(a+t.tkhd.creation_time*1e3);r.modified=new Date(a+t.tkhd.modification_time*1e3);r.movie_duration=t.tkhd.duration;r.layer=t.tkhd.layer;r.alternate_group=t.tkhd.alternate_group;r.volume=t.tkhd.volume;r.matrix=t.tkhd.matrix;r.track_width=t.tkhd.width/(1<<16);r.track_height=t.tkhd.height/(1<<16);r.timescale=t.mdia.mdhd.timescale;r.duration=t.mdia.mdhd.duration;r.codec=n.getCodec();r.language=t.mdia.mdhd.languageString;r.nb_samples=t.samples.length;r.size=0;for(j=0;j<r.nb_samples;j++){r.size+=t.samples[j].size}r.bitrate=r.size*8*r.timescale/r.duration;if(n.isAudio()){e.audioTracks.push(r);r.audio={};r.audio.sample_rate=n.getSampleRate();r.audio.channel_count=n.getChannelCount();r.audio.sample_size=n.getSampleSize()}else if(n.isVideo()){e.videoTracks.push(r);r.video={};r.video.width=n.getWidth();r.video.height=n.getHeight()}else if(n.isSubtitle()){e.subtitleTracks.push(r)}else if(n.isHint()){e.hintTracks.push(r)}else if(n.isMetadata()){e.metadataTracks.push(r)}else{e.otherTracks.push(r)}}return e};f.prototype.getInitializationSegment=function(){var e=new a;e.endianness=a.BIG_ENDIAN;this.inputIsoFile.writeInitializationSegment(e);return e.buffer};f.prototype.writeFile=function(){var e=new a;e.endianness=a.BIG_ENDIAN;this.inputIsoFile.write(e);return e.buffer};f.prototype.initializeSegmentation=function(){var e;var t;var r;var n;var i;if(this.onSegment===null){o.w("MP4Box","No segmentation callback set!")}if(!this.isFragmentationStarted){this.isFragmentationStarted=true;this.nextMoofNumber=0;this.inputIsoFile.resetTables()}n=[];for(e=0;e<this.fragmentedTracks.length;e++){for(t=0;t<this.inputIsoFile.moov.boxes.length;t++){r=this.inputIsoFile.moov.boxes[t];if(r&&r.type==="trak"){this.inputIsoFile.moov.boxes[t].ignore=true;this.inputIsoFile.moov.boxes[t]=null}}i=this.inputIsoFile.getTrackById(this.fragmentedTracks[e].id);delete i.ignore;for(t=0;t<this.inputIsoFile.moov.boxes.length;t++){r=this.inputIsoFile.moov.boxes[t];if(r==null){this.inputIsoFile.moov.boxes[t]=i;break}}seg={};seg.id=i.tkhd.track_id;seg.user=this.fragmentedTracks[e].user;seg.buffer=this.getInitializationSegment();n.push(seg)}return n};f.prototype.releaseUsedSamples=function(e,t){var r=0;var n=this.inputIsoFile.getTrackById(e);if(!n.lastValidSample)n.lastValidSample=0;for(var i=n.lastValidSample;i<t;i++){r+=this.inputIsoFile.releaseSample(n,i)}o.d("MP4Box","Track #"+e+" released samples up to "+t+" (total size: "+r+", remaining: "+this.inputIsoFile.samplesDataSize+")");n.lastValidSample=t};f.prototype.flush=function(){o.i("MP4Box","Flushing remaining samples");this.inputIsoFile.updateSampleLists();this.processSamples()};f.prototype.seekTrack=function(e,t,r){var n;var i;var a=Infinity;var s=0;var f=Infinity;var u=0;var l=0;var c;for(n=0;n<r.samples.length;n++){i=r.samples[n];if(n===0){f=i.offset;l=0;c=i.timescale}else if(i.cts>e*i.timescale){f=r.samples[n-1].offset;l=n-1;break}if(t&&i.is_rap){a=i.offset;s=i.cts;u=n}}if(t){r.nextSample=u;o.i("MP4Box","Seeking to RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(s,c)+" and offset: "+a);return{offset:a,time:s/c}}else{r.nextSample=l;o.i("MP4Box","Seeking to non-RAP sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(e)+" and offset: "+a);return{offset:f,time:e}}};f.prototype.seek=function(e,t){var r=this.inputIsoFile.moov;var n;var i;var a;var s={offset:Infinity,time:Infinity};if(!this.inputIsoFile.moov){throw"Cannot seek: moov not received!"}else{for(a=0;a<r.traks.length;a++){n=r.traks[a];i=this.seekTrack(e,t,n);if(i.offset<s.offset){s.offset=i.offset}if(i.time<s.time){s.time=i.time}}if(s.offset===Infinity){s={offset:this.inputIsoFile.nextParsePosition,time:0}}else{var f=this.inputIsoFile.findPosition(true,s.offset);if(f!==-1){s.offset=this.inputIsoFile.findEndContiguousBuf(f)}}o.i("MP4Box","Seeking at time "+o.getDurationString(s.time,1)+" needs a buffer with a fileStart position of "+s.offset);return s}}},{"./DataStream":223,"./box":224,"./isofile":226,"./log":227}],229:[function(e,t,r){var n=e("debug")("videostream");var i=e("mp4box");var a=.01;var s=60;t.exports=function(e,t,r){r=r||{};var f=r.debugTrack||-1;var u=[];function l(){t.addEventListener("waiting",x);t.addEventListener("timeupdate",E)}l();var c=false;function p(e){c=true;t.removeEventListener("waiting",x);t.removeEventListener("timeupdate",E);if(h.readyState==="open")h.endOfStream(e)}function d(e){var r=e.buffer.buffered;var i=t.currentTime;var o=-1;for(var f=0;f<r.length;f++){var u=r.start(f);var l=r.end(f)+a;if(u>i){break}else if(o>=0||i<=l){o=l}}var c=o-i;if(c<0)c=0;n("Buffer length: %f",c);return c<=s}var h=new MediaSource;h.addEventListener("sourceopen",function(){w(0)});t.src=window.URL.createObjectURL(h);var m=new i;m.onError=function(e){n("MP4Box error: %s",e.message);if(b){b()}if(h.readyState==="open"){p("decode")}};var v=false;var g={};m.onReady=function(e){n("MP4 info: %o",e);e.tracks.forEach(function(e){var t;if(e.video){t="video/mp4"}else if(e.audio){t="audio/mp4"}else{return}t+='; codecs="'+e.codec+'"';if(MediaSource.isTypeSupported(t)){var r=h.addSourceBuffer(t);var n={buffer:r,arrayBuffers:[],meta:e,ended:false};r.addEventListener("updateend",A.bind(null,n));m.setSegmentOptions(e.id,null,{nbSamples:e.video?1:100});g[e.id]=n}});if(Object.keys(g).length===0){p("decode");return}var t=m.initializeSegmentation();t.forEach(function(e){S(g[e.id],e.buffer);if(e.id===f){o("init-track-"+f+".mp4",[e.buffer]);u.push(e.buffer)}});v=true};m.onSegment=function(e,t,r,n){var i=g[e];S(i,r,n===i.meta.nb_samples);if(e===f&&u){u.push(r);if(n>1e3){o("track-"+f+".mp4",u);u=null}}};var y;var _=null;var b=null;function w(t){if(t===e.length){m.flush();return}if(_&&t===y){var r=_;setTimeout(function(){if(_===r)_.resume()});return}if(_){_.destroy();b()}y=t;var i={start:y,end:e.length-1};_=e.createReadStream(i);function a(e){_.pause();var t=e.toArrayBuffer();t.fileStart=y;y+=t.byteLength;var r;try{r=m.appendBuffer(t)}catch(i){n("MP4Box threw exception: %s",i.message);if(h.readyState==="open"){p("decode")}_.destroy();b();return}w(r)}_.on("data",a);function s(){b();w(y)}_.on("end",s);function o(e){n("Stream error: %s",e.message);if(h.readyState==="open"){p("network")}}_.on("error",o);b=function(){_.removeListener("data",a);_.removeListener("end",s);_.removeListener("error",o);_=null;b=null}}function x(){if(v){k(t.currentTime)}}function k(e){if(c)l();var t=m.seek(e,true);n("Seeking to time: %d",e);n("Seeked file offset: %d",t.offset);w(t.offset)}function S(e,t,r){e.arrayBuffers.push({buffer:t,ended:r||false});A(e)}function E(){Object.keys(g).forEach(function(e){var t=g[e];if(t.blocked){A(t)}})}function A(e){if(e.buffer.updating)return;e.blocked=!d(e);if(e.blocked)return;if(e.arrayBuffers.length===0)return;var t=e.arrayBuffers.shift();var r=false;try{e.buffer.appendBuffer(t.buffer);e.ended=t.ended;r=true}catch(i){n("SourceBuffer error: %s",i.message);p("decode");return}if(r){U()}}function U(){if(h.readyState!=="open"){return}var e=Object.keys(g).every(function(e){var t=g[e];return t.ended&&!t.buffer.updating});if(e){p()}}};function o(e,t){var r=new Blob(t);var n=URL.createObjectURL(r);var i=document.createElement("a");i.setAttribute("href",n);i.setAttribute("download",e);i.click()}},{debug:202,mp4box:228}],230:[function(e,t,r){arguments[4][14][0].apply(r,arguments)},{dup:14}],231:[function(e,t,r){t.exports={name:"webtorrent",description:"Streaming torrent client",version:"0.57.0",author:{name:"Feross Aboukhadijeh",email:"feross@feross.org",url:"http://feross.org/"},bin:{webtorrent:"./bin/cmd.js"},browser:{"./lib/fs-storage":false,"./lib/server":false,"bittorrent-dht/client":false,"load-ip-set":false,ut_pex:false},bugs:{url:"https://github.com/feross/webtorrent/issues"},dependencies:{"addr-to-ip-port":"^1.0.1",bitfield:"^1.0.2","bittorrent-dht":"^3.0.0","bittorrent-swarm":"^5.0.0","block-stream2":"^1.0.0",clivas:"^0.2.0","create-torrent":"^3.4.0",debug:"^2.1.0",dezalgo:"^1.0.1","end-of-stream":"^1.0.0",executable:"^1.1.0",hat:"0.0.3",inherits:"^2.0.1",inquirer:"^0.8.0","load-ip-set":"^1.0.3",mime:"^1.2.11",minimist:"^1.1.0",mkdirp:"^0.5.0",moment:"^2.8.3",multistream:"^1.4.2","network-address":"^1.0.0",once:"^1.3.1","parse-torrent":"^5.1.0","pretty-bytes":"^2.0.1",pump:"^1.0.0","random-access-file":"^0.3.1","random-iterate":"^1.0.1","range-parser":"^1.0.2","re-emitter":"^1.0.0",rimraf:"^2.2.5","run-parallel":"^1.0.0","simple-sha1":"^2.0.0",speedometer:"^0.1.2",thunky:"^0.1.0","torrent-discovery":"^3.0.0",uniq:"^1.0.1",ut_metadata:"^2.1.0",ut_pex:"^1.0.1",videostream:"^1.1.4","windows-no-runnable":"0.0.6",xtend:"^4.0.0","zero-fill":"^2.2.0"
+},devDependencies:{"bittorrent-tracker":"^6.0.0",brfs:"^1.2.0",browserify:"^11.0.0",finalhandler:"^0.4.0","run-auto":"^1.0.0","serve-static":"^1.9.3","simple-get":"^1.0.0",standard:"^4.0.1",tape:"^4.0.0","uglify-js":"^2.4.15",zelda:"^2.0.0",zuul:"^3.0.0"},homepage:"http://webtorrent.io",keywords:["torrent","bittorrent","bittorrent client","streaming","download","webrtc","webrtc data","webtorrent","mad science"],license:"MIT",main:"index.js",optionalDependencies:{"airplay-js":"^0.2.3","chromecast-js":"^0.1.4",nodebmc:"0.0.5"},repository:{type:"git",url:"git://github.com/feross/webtorrent.git"},scripts:{build:"browserify -s WebTorrent -e ./ | uglifyjs -m > webtorrent.min.js","build-debug":"browserify -s WebTorrent -e ./ > webtorrent.debug.js",size:"npm run build && cat webtorrent.min.js | gzip | wc -c",test:"standard && node ./bin/test.js","test-browser":"zuul -- test/basic.js","test-browser-local":"zuul --local -- test/basic.js","test-node":"tape test/*.js"}}},{}],232:[function(e,t,r){(function(r,n,i){t.exports=k;var a=e("create-torrent");var s=e("debug")("webtorrent");var o=e("bittorrent-dht/client");var f=e("events").EventEmitter;var u=e("xtend");var l=e("hat");var c=e("inherits");var p=e("load-ip-set");var d=e("run-parallel");var h=e("parse-torrent");var m=e("speedometer");var v=e("zero-fill");var g=e("path");var y=e("./lib/fs-storage");var _=e("./lib/storage");var b=e("./lib/torrent");c(k,f);var w=e("./package.json").version;var x=w.match(/([0-9]+)/g).slice(0,2).map(v(2)).join("");function k(e){var t=this;if(!(t instanceof k))return new k(e);if(!e)e={};f.call(t);if(!s.enabled)t.setMaxListeners(0);t.destroyed=false;t.torrentPort=e.torrentPort||0;t.tracker=e.tracker!==undefined?e.tracker:true;t._rtcConfig=e.rtcConfig;t._wrtc=e.wrtc||n.WRTC;t.torrents=[];t.downloadSpeed=m();t.uploadSpeed=m();t.storage=typeof e.storage==="function"?e.storage:e.storage!==false&&typeof y==="function"?y:_;t.peerId=e.peerId===undefined?new i("-WW"+x+"-"+l(48),"utf8"):typeof e.peerId==="string"?new i(e.peerId,"hex"):e.peerId;t.peerIdHex=t.peerId.toString("hex");t.nodeId=e.nodeId===undefined?new i(l(160),"hex"):typeof e.nodeId==="string"?new i(e.nodeId,"hex"):e.nodeId;t.nodeIdHex=t.nodeId.toString("hex");if(e.dht!==false&&typeof o==="function"){t.dht=new o(u({nodeId:t.nodeId},e.dht));t.dht.listen(e.dhtPort)}s("new webtorrent (peerId %s, nodeId %s)",t.peerIdHex,t.nodeIdHex);if(typeof p==="function"){p(e.blocklist,{headers:{"user-agent":"WebTorrent (http://webtorrent.io)"}},function(e,r){if(e)return t.error("failed to load blocklist: "+e.message);t.blocked=r;a()})}else r.nextTick(a);function a(){if(t.destroyed)return;t.ready=true;t.emit("ready")}}Object.defineProperty(k.prototype,"ratio",{get:function(){var e=this;var t=e.torrents.reduce(function(e,t){return e+t.uploaded},0);var r=e.torrents.reduce(function(e,t){return e+t.downloaded},0)||1;return t/r}});k.prototype.get=function(e){var t=this;if(e instanceof b)return e;var r;try{r=h(e)}catch(n){return null}if(!r.infoHash)throw new Error("Invalid torrent identifier");for(var i=0,a=t.torrents.length;i<a;i++){var s=t.torrents[i];if(s.infoHash===r.infoHash)return s}return null};k.prototype.add=k.prototype.download=function(e,t,n){var i=this;if(i.destroyed)throw new Error("client is destroyed");s("add");if(typeof t==="function"){n=t;t={}}if(!t)t={};if(!t.storage)t.storage=i.storage;t.client=i;var a=i.get(e);function o(){s("on torrent");if(typeof n==="function")n(a)}if(a){if(a.ready)r.nextTick(o);else a.on("ready",o)}else{a=new b(e,t);i.torrents.push(a);a.on("error",function(e){i.emit("error",e,a);i.remove(a)});a.on("listening",function(e){i.emit("listening",e,a)});a.on("ready",function(){o();i.emit("torrent",a)})}return a};k.prototype.seed=function(e,t,r){var n=this;if(n.destroyed)throw new Error("client is destroyed");s("seed");if(typeof t==="function"){r=t;t={}}if(!t)t={};t.noVerify=true;t.createdBy="WebTorrent/"+w;if(typeof e==="string"&&!t.path)t.path=g.dirname(e);var i;var o=n.add(undefined,t,function(e){var t=[function(t){e.storage.load(i,t)}];if(n.dht){t.push(function(t){e.on("dhtAnnounce",t)})}d(t,function(t){if(t)return n.emit("error",t);f();n.emit("seed",e)})});a.parseInput(e,t,function(r,s){if(r)return n.emit("error",r);i=s.map(function(e){return e.getStream});a(e,t,function(e,t){if(e)return n.emit("error",e);if(n.destroyed)return;var r=n.get(t);if(r){o.destroy();f();return}else{o._onTorrentId(t)}})});function f(){s("on seed");if(typeof r==="function")r(o)}return o};k.prototype.remove=function(e,t){var r=this;var n=r.get(e);if(!n)throw new Error("No torrent with id "+e);s("remove");r.torrents.splice(r.torrents.indexOf(n),1);n.destroy(t)};k.prototype.address=function(){var e=this;return{address:"0.0.0.0",family:"IPv4",port:e.torrentPort}};k.prototype.destroy=function(e){var t=this;t.destroyed=true;s("destroy");var r=t.torrents.map(function(e){return function(r){t.remove(e,r)}});if(t.dht){r.push(function(e){t.dht.destroy(e)})}d(r,e)}}).call(this,e("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},e("buffer").Buffer)},{"./lib/fs-storage":163,"./lib/storage":148,"./lib/torrent":149,"./package.json":231,_process:172,"bittorrent-dht/client":163,buffer:164,"create-torrent":43,debug:202,events:168,hat:210,inherits:211,"load-ip-set":163,"parse-torrent":94,path:171,"run-parallel":100,speedometer:221,xtend:230,"zero-fill":233}],233:[function(e,t,r){t.exports=function n(e,t,r){if(t===undefined){return function(t,r){return n(e,t,r)}}if(r===undefined)r="0";e-=t.toString().length;if(e>0)return new Array(e+(/\./.test(t)?2:1)).join(r)+t;return t+""}},{}]},{},[232])(232)});