diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2012-08-17 19:06:07 +0400 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2012-08-17 19:06:52 +0400 |
commit | fa3fde168b8c3d2d7c008a98457832575dbf9fe0 (patch) | |
tree | 44ac6dc9bc226deb2310c4ba901c28e202c777fa /libavformat/rtmpproto.c | |
parent | 517a2bbcf131df3e61ff4494d7f695b4570bc5fc (diff) | |
parent | 4aa3d7b3f2b71296d73276d62be4e806b34d2d01 (diff) |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
libvpxenc: use the default bitrate if not set
utvideo: Rename utvideo.c to utvideodec.c
doc: Fix syntax errors in sample Emacs config
mjpegdec: more meaningful return values
configure: clean up Altivec detection
getopt: Remove an unnecessary define
rtmp: Use int instead of ssize_t
getopt: Add missing includes
rtmp: Add support for receiving incoming streams
Add missing includes for code relying on external libraries
Conflicts:
libavcodec/libopenjpegenc.c
libavcodec/libvpxenc.c
libavcodec/mjpegdec.c
libavformat/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/rtmpproto.c')
-rw-r--r-- | libavformat/rtmpproto.c | 513 |
1 files changed, 508 insertions, 5 deletions
diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c index 9520b409e8..be2c716d93 100644 --- a/libavformat/rtmpproto.c +++ b/libavformat/rtmpproto.c @@ -29,6 +29,7 @@ #include "libavutil/intfloat.h" #include "libavutil/lfg.h" #include "libavutil/opt.h" +#include "libavutil/random_seed.h" #include "libavutil/sha.h" #include "avformat.h" #include "internal.h" @@ -51,6 +52,7 @@ #define PLAYPATH_MAX_LENGTH 256 #define TCURL_MAX_LENGTH 512 #define FLASHVER_MAX_LENGTH 64 +#define RTMP_PKTDATA_DEFAULT_SIZE 4096 /** RTMP protocol handler state */ typedef enum { @@ -59,6 +61,7 @@ typedef enum { STATE_FCPUBLISH, ///< client FCPublishing stream (for output) STATE_PLAYING, ///< client has started receiving multimedia data from server STATE_PUBLISHING, ///< client has started sending multimedia data to server (for output) + STATE_RECEIVING, ///< received a publish command (for input) STATE_STOPPED, ///< the broadcast has been stopped } ClientState; @@ -110,6 +113,9 @@ typedef struct RTMPContext { TrackedMethod*tracked_methods; ///< tracked methods buffer int nb_tracked_methods; ///< number of tracked methods int tracked_methods_size; ///< size of the tracked methods buffer + int listen; ///< listen mode flag + int listen_timeout; ///< listen timeout to wait for new connections + int nb_streamid; ///< The next stream id to return on createStream calls } RTMPContext; #define PLAYER_KEY_OPEN_PART_LEN 30 ///< length of partial key used for first client digest signing @@ -377,6 +383,151 @@ static int gen_connect(URLContext *s, RTMPContext *rt) return rtmp_send_packet(rt, &pkt, 1); } +static int read_connect(URLContext *s, RTMPContext *rt) +{ + RTMPPacket pkt = { 0 }; + uint8_t *p; + const uint8_t *cp; + int ret; + char command[64]; + int stringlen; + double seqnum; + uint8_t tmpstr[256]; + GetByteContext gbc; + + if ((ret = ff_rtmp_packet_read(rt->stream, &pkt, rt->in_chunk_size, + rt->prev_pkt[1])) < 0) + return ret; + cp = pkt.data; + bytestream2_init(&gbc, cp, pkt.data_size); + if (ff_amf_read_string(&gbc, command, sizeof(command), &stringlen)) { + av_log(s, AV_LOG_ERROR, "Unable to read command string\n"); + ff_rtmp_packet_destroy(&pkt); + return AVERROR_INVALIDDATA; + } + if (strcmp(command, "connect")) { + av_log(s, AV_LOG_ERROR, "Expecting connect, got %s\n", command); + ff_rtmp_packet_destroy(&pkt); + return AVERROR_INVALIDDATA; + } + ret = ff_amf_read_number(&gbc, &seqnum); + if (ret) + av_log(s, AV_LOG_WARNING, "SeqNum not found\n"); + /* Here one could parse an AMF Object with data as flashVers and others. */ + ret = ff_amf_get_field_value(gbc.buffer, + gbc.buffer + bytestream2_get_bytes_left(&gbc), + "app", tmpstr, sizeof(tmpstr)); + if (ret) + av_log(s, AV_LOG_WARNING, "App field not found in connect\n"); + if (!ret && strcmp(tmpstr, rt->app)) + av_log(s, AV_LOG_WARNING, "App field don't match up: %s <-> %s\n", + tmpstr, rt->app); + ff_rtmp_packet_destroy(&pkt); + + // Send Window Acknowledgement Size (as defined in speficication) + if ((ret = ff_rtmp_packet_create(&pkt, RTMP_NETWORK_CHANNEL, + RTMP_PT_SERVER_BW, 0, 4)) < 0) + return ret; + p = pkt.data; + bytestream_put_be32(&p, rt->server_bw); + pkt.data_size = p - pkt.data; + ret = ff_rtmp_packet_write(rt->stream, &pkt, rt->out_chunk_size, + rt->prev_pkt[1]); + ff_rtmp_packet_destroy(&pkt); + if (ret < 0) + return ret; + // Send Peer Bandwidth + if ((ret = ff_rtmp_packet_create(&pkt, RTMP_NETWORK_CHANNEL, + RTMP_PT_CLIENT_BW, 0, 5)) < 0) + return ret; + p = pkt.data; + bytestream_put_be32(&p, rt->server_bw); + bytestream_put_byte(&p, 2); // dynamic + pkt.data_size = p - pkt.data; + ret = ff_rtmp_packet_write(rt->stream, &pkt, rt->out_chunk_size, + rt->prev_pkt[1]); + ff_rtmp_packet_destroy(&pkt); + if (ret < 0) + return ret; + + // Ping request + if ((ret = ff_rtmp_packet_create(&pkt, RTMP_NETWORK_CHANNEL, + RTMP_PT_PING, 0, 6)) < 0) + return ret; + + p = pkt.data; + bytestream_put_be16(&p, 0); // 0 -> Stream Begin + bytestream_put_be32(&p, 0); + ret = ff_rtmp_packet_write(rt->stream, &pkt, rt->out_chunk_size, + rt->prev_pkt[1]); + ff_rtmp_packet_destroy(&pkt); + if (ret < 0) + return ret; + + // Chunk size + if ((ret = ff_rtmp_packet_create(&pkt, RTMP_SYSTEM_CHANNEL, + RTMP_PT_CHUNK_SIZE, 0, 4)) < 0) + return ret; + + p = pkt.data; + bytestream_put_be32(&p, rt->out_chunk_size); + ret = ff_rtmp_packet_write(rt->stream, &pkt, rt->out_chunk_size, + rt->prev_pkt[1]); + ff_rtmp_packet_destroy(&pkt); + if (ret < 0) + return ret; + + // Send result_ NetConnection.Connect.Success to connect + if ((ret = ff_rtmp_packet_create(&pkt, RTMP_SYSTEM_CHANNEL, + RTMP_PT_INVOKE, 0, + RTMP_PKTDATA_DEFAULT_SIZE)) < 0) + return ret; + + p = pkt.data; + ff_amf_write_string(&p, "_result"); + ff_amf_write_number(&p, seqnum); + + ff_amf_write_object_start(&p); + ff_amf_write_field_name(&p, "fmsVer"); + ff_amf_write_string(&p, "FMS/3,0,1,123"); + ff_amf_write_field_name(&p, "capabilities"); + ff_amf_write_number(&p, 31); + ff_amf_write_object_end(&p); + + ff_amf_write_object_start(&p); + ff_amf_write_field_name(&p, "level"); + ff_amf_write_string(&p, "status"); + ff_amf_write_field_name(&p, "code"); + ff_amf_write_string(&p, "NetConnection.Connect.Success"); + ff_amf_write_field_name(&p, "description"); + ff_amf_write_string(&p, "Connection succeeded."); + ff_amf_write_field_name(&p, "objectEncoding"); + ff_amf_write_number(&p, 0); + ff_amf_write_object_end(&p); + + pkt.data_size = p - pkt.data; + ret = ff_rtmp_packet_write(rt->stream, &pkt, rt->out_chunk_size, + rt->prev_pkt[1]); + ff_rtmp_packet_destroy(&pkt); + if (ret < 0) + return ret; + + if ((ret = ff_rtmp_packet_create(&pkt, RTMP_SYSTEM_CHANNEL, + RTMP_PT_INVOKE, 0, 30)) < 0) + return ret; + p = pkt.data; + ff_amf_write_string(&p, "onBWDone"); + ff_amf_write_number(&p, 0); + ff_amf_write_null(&p); + ff_amf_write_number(&p, 8192); + pkt.data_size = p - pkt.data; + ret = ff_rtmp_packet_write(rt->stream, &pkt, rt->out_chunk_size, + rt->prev_pkt[1]); + ff_rtmp_packet_destroy(&pkt); + + return ret; +} + /** * Generate 'releaseStream' call and send it to the server. It should make * the server release some channel for media streams. @@ -1138,6 +1289,123 @@ static int rtmp_handshake(URLContext *s, RTMPContext *rt) return 0; } +static int rtmp_receive_hs_packet(RTMPContext* rt, uint32_t *first_int, + uint32_t *second_int, char *arraydata, + int size) +{ + int inoutsize; + + inoutsize = ffurl_read_complete(rt->stream, arraydata, + RTMP_HANDSHAKE_PACKET_SIZE); + if (inoutsize <= 0) + return AVERROR(EIO); + if (inoutsize != RTMP_HANDSHAKE_PACKET_SIZE) { + av_log(rt, AV_LOG_ERROR, "Erroneous Message size %d" + " not following standard\n", (int)inoutsize); + return AVERROR(EINVAL); + } + + *first_int = AV_RB32(arraydata); + *second_int = AV_RB32(arraydata + 4); + return 0; +} + +static int rtmp_send_hs_packet(RTMPContext* rt, uint32_t first_int, + uint32_t second_int, char *arraydata, int size) +{ + int inoutsize; + + AV_WB32(arraydata, first_int); + AV_WB32(arraydata + 4, first_int); + inoutsize = ffurl_write(rt->stream, arraydata, + RTMP_HANDSHAKE_PACKET_SIZE); + if (inoutsize != RTMP_HANDSHAKE_PACKET_SIZE) { + av_log(rt, AV_LOG_ERROR, "Unable to write answer\n"); + return AVERROR(EIO); + } + + return 0; +} + +/** + * rtmp handshake server side + */ +static int rtmp_server_handshake(URLContext *s, RTMPContext *rt) +{ + uint8_t buffer[RTMP_HANDSHAKE_PACKET_SIZE]; + uint32_t hs_epoch; + uint32_t hs_my_epoch; + uint8_t hs_c1[RTMP_HANDSHAKE_PACKET_SIZE]; + uint8_t hs_s1[RTMP_HANDSHAKE_PACKET_SIZE]; + uint32_t zeroes; + uint32_t temp = 0; + int randomidx = 0; + int inoutsize = 0; + int ret; + + inoutsize = ffurl_read_complete(rt->stream, buffer, 1); // Receive C0 + if (inoutsize <= 0) { + av_log(s, AV_LOG_ERROR, "Unable to read handshake\n"); + return AVERROR(EIO); + } + // Check Version + if (buffer[0] != 3) { + av_log(s, AV_LOG_ERROR, "RTMP protocol version mismatch\n"); + return AVERROR(EIO); + } + if (ffurl_write(rt->stream, buffer, 1) <= 0) { // Send S0 + av_log(s, AV_LOG_ERROR, + "Unable to write answer - RTMP S0\n"); + return AVERROR(EIO); + } + /* Receive C1 */ + ret = rtmp_receive_hs_packet(rt, &hs_epoch, &zeroes, hs_c1, + RTMP_HANDSHAKE_PACKET_SIZE); + if (ret) { + av_log(s, AV_LOG_ERROR, "RTMP Handshake C1 Error\n"); + return ret; + } + if (zeroes) + av_log(s, AV_LOG_WARNING, "Erroneous C1 Message zero != 0\n"); + /* Send S1 */ + /* By now same epoch will be sent */ + hs_my_epoch = hs_epoch; + /* Generate random */ + for (randomidx = 0; randomidx < (RTMP_HANDSHAKE_PACKET_SIZE); + randomidx += 4) + AV_WB32(hs_s1 + 8 + randomidx, av_get_random_seed()); + + ret = rtmp_send_hs_packet(rt, hs_my_epoch, 0, hs_s1, + RTMP_HANDSHAKE_PACKET_SIZE); + if (ret) { + av_log(s, AV_LOG_ERROR, "RTMP Handshake S1 Error\n"); + return ret; + } + /* Send S2 */ + ret = rtmp_send_hs_packet(rt, hs_epoch, 0, hs_c1, + RTMP_HANDSHAKE_PACKET_SIZE); + if (ret) { + av_log(s, AV_LOG_ERROR, "RTMP Handshake S2 Error\n"); + return ret; + } + /* Receive C2 */ + ret = rtmp_receive_hs_packet(rt, &temp, &zeroes, buffer, + RTMP_HANDSHAKE_PACKET_SIZE); + if (ret) { + av_log(s, AV_LOG_ERROR, "RTMP Handshake C2 Error\n"); + return ret; + } + if (temp != hs_my_epoch) + av_log(s, AV_LOG_WARNING, + "Erroneous C2 Message epoch does not match up with C1 epoch\n"); + if (memcmp(buffer + 8, hs_s1 + 8, + RTMP_HANDSHAKE_PACKET_SIZE - 8)) + av_log(s, AV_LOG_WARNING, + "Erroneous C2 Message random does not match up\n"); + + return 0; +} + static int handle_chunk_size(URLContext *s, RTMPPacket *pkt) { RTMPContext *rt = s->priv_data; @@ -1270,6 +1538,139 @@ static int handle_invoke_error(URLContext *s, RTMPPacket *pkt) return ret; } +static int send_invoke_response(URLContext *s, RTMPPacket *pkt) +{ + RTMPContext *rt = s->priv_data; + double seqnum; + char filename[64]; + char command[64]; + char statusmsg[128]; + int stringlen; + char *pchar; + const uint8_t *p = pkt->data; + uint8_t *pp = NULL; + RTMPPacket spkt = { 0 }; + GetByteContext gbc; + int ret; + + bytestream2_init(&gbc, p, pkt->data_size); + if (ff_amf_read_string(&gbc, command, sizeof(command), + &stringlen)) { + av_log(s, AV_LOG_ERROR, "Error in PT_INVOKE\n"); + return AVERROR_INVALIDDATA; + } + + ret = ff_amf_read_number(&gbc, &seqnum); + if (ret) + return ret; + ret = ff_amf_read_null(&gbc); + if (ret) + return ret; + if (!strcmp(command, "FCPublish") || + !strcmp(command, "publish")) { + ret = ff_amf_read_string(&gbc, filename, + sizeof(filename), &stringlen); + // check with url + if (s->filename) { + pchar = strrchr(s->filename, '/'); + if (!pchar) { + av_log(s, AV_LOG_WARNING, + "Unable to find / in url %s, bad format\n", + s->filename); + pchar = s->filename; + } + pchar++; + if (strcmp(pchar, filename)) + av_log(s, AV_LOG_WARNING, "Unexpected stream %s, expecting" + " %s\n", filename, pchar); + } + rt->state = STATE_RECEIVING; + } + + if (!strcmp(command, "FCPublish")) { + if ((ret = ff_rtmp_packet_create(&spkt, RTMP_SYSTEM_CHANNEL, + RTMP_PT_INVOKE, 0, + RTMP_PKTDATA_DEFAULT_SIZE)) < 0) { + av_log(s, AV_LOG_ERROR, "Unable to create response packet\n"); + return ret; + } + pp = spkt.data; + ff_amf_write_string(&pp, "onFCPublish"); + } else if (!strcmp(command, "publish")) { + PutByteContext pbc; + // Send Stream Begin 1 + if ((ret = ff_rtmp_packet_create(&spkt, RTMP_NETWORK_CHANNEL, + RTMP_PT_PING, 0, 6)) < 0) { + av_log(s, AV_LOG_ERROR, "Unable to create response packet\n"); + return ret; + } + pp = spkt.data; + bytestream2_init_writer(&pbc, pp, spkt.data_size); + bytestream2_put_be16(&pbc, 0); // 0 -> Stream Begin + bytestream2_put_be32(&pbc, rt->nb_streamid); + ret = ff_rtmp_packet_write(rt->stream, &spkt, rt->out_chunk_size, + rt->prev_pkt[1]); + ff_rtmp_packet_destroy(&spkt); + if (ret < 0) + return ret; + + // Send onStatus(NetStream.Publish.Start) + if ((ret = ff_rtmp_packet_create(&spkt, RTMP_SYSTEM_CHANNEL, + RTMP_PT_INVOKE, 0, + RTMP_PKTDATA_DEFAULT_SIZE)) < 0) { + av_log(s, AV_LOG_ERROR, "Unable to create response packet\n"); + return ret; + } + spkt.extra = pkt->extra; + pp = spkt.data; + ff_amf_write_string(&pp, "onStatus"); + ff_amf_write_number(&pp, 0); + ff_amf_write_null(&pp); + + ff_amf_write_object_start(&pp); + ff_amf_write_field_name(&pp, "level"); + ff_amf_write_string(&pp, "status"); + ff_amf_write_field_name(&pp, "code"); + ff_amf_write_string(&pp, "NetStream.Publish.Start"); + ff_amf_write_field_name(&pp, "description"); + snprintf(statusmsg, sizeof(statusmsg), + "%s is now published", filename); + ff_amf_write_string(&pp, statusmsg); + ff_amf_write_field_name(&pp, "details"); + ff_amf_write_string(&pp, filename); + ff_amf_write_field_name(&pp, "clientid"); + snprintf(statusmsg, sizeof(statusmsg), "%s", LIBAVFORMAT_IDENT); + ff_amf_write_string(&pp, statusmsg); + ff_amf_write_object_end(&pp); + + } else { + if ((ret = ff_rtmp_packet_create(&spkt, RTMP_SYSTEM_CHANNEL, + RTMP_PT_INVOKE, 0, + RTMP_PKTDATA_DEFAULT_SIZE)) < 0) { + av_log(s, AV_LOG_ERROR, "Unable to create response packet\n"); + return ret; + } + pp = spkt.data; + ff_amf_write_string(&pp, "_result"); + ff_amf_write_number(&pp, seqnum); + ff_amf_write_null(&pp); + if (!strcmp(command, "createStream")) { + rt->nb_streamid++; + if (rt->nb_streamid == 0 || rt->nb_streamid == 2) + rt->nb_streamid++; /* Values 0 and 2 are reserved */ + ff_amf_write_number(&pp, rt->nb_streamid); + /* By now we don't control which streams are removed in + * deleteStream. There is no stream creation control + * if a client creates more than 2^32 - 2 streams. */ + } + } + spkt.data_size = pp - spkt.data; + ret = ff_rtmp_packet_write(rt->stream, &spkt, rt->out_chunk_size, + rt->prev_pkt[1]); + ff_rtmp_packet_destroy(&spkt); + return ret; +} + static int handle_invoke_result(URLContext *s, RTMPPacket *pkt) { RTMPContext *rt = s->priv_data; @@ -1384,11 +1785,79 @@ static int handle_invoke(URLContext *s, RTMPPacket *pkt) } else if (!memcmp(pkt->data, "\002\000\010onBWDone", 11)) { if ((ret = gen_check_bw(s, rt)) < 0) return ret; + } else if (!memcmp(pkt->data, "\002\000\015releaseStream", 16) || + !memcmp(pkt->data, "\002\000\011FCPublish", 12) || + !memcmp(pkt->data, "\002\000\007publish", 10) || + !memcmp(pkt->data, "\002\000\010_checkbw", 11) || + !memcmp(pkt->data, "\002\000\014createStream", 15)) { + if (ret = send_invoke_response(s, pkt) < 0) + return ret; } return ret; } +static int handle_notify(URLContext *s, RTMPPacket *pkt) { + RTMPContext *rt = s->priv_data; + const uint8_t *p = NULL; + uint8_t *cp = NULL; + uint8_t commandbuffer[64]; + char statusmsg[128]; + int stringlen; + GetByteContext gbc; + PutByteContext pbc; + uint32_t ts; + int old_flv_size; + const uint8_t *datatowrite; + unsigned datatowritelength; + + p = pkt->data; + bytestream2_init(&gbc, p, pkt->data_size); + if (ff_amf_read_string(&gbc, commandbuffer, sizeof(commandbuffer), + &stringlen)) + return AVERROR_INVALIDDATA; + if (!strcmp(commandbuffer, "@setDataFrame")) { + datatowrite = gbc.buffer; + datatowritelength = bytestream2_get_bytes_left(&gbc); + if (ff_amf_read_string(&gbc, statusmsg, + sizeof(statusmsg), &stringlen)) + return AVERROR_INVALIDDATA; + if (strcmp(statusmsg, "onMetaData")) { + av_log(s, AV_LOG_INFO, "Expecting onMetadata but got %s\n", + statusmsg); + return 0; + } + + /* Provide ECMAArray to flv */ + ts = pkt->timestamp; + + // generate packet header and put data into buffer for FLV demuxer + if (rt->flv_off < rt->flv_size) { + old_flv_size = rt->flv_size; + rt->flv_size += datatowritelength + 15; + } else { + old_flv_size = 0; + rt->flv_size = datatowritelength + 15; + rt->flv_off = 0; + } + + cp = av_realloc(rt->flv_data, rt->flv_size); + if (!cp) + return AVERROR(ENOMEM); + rt->flv_data = cp; + bytestream2_init_writer(&pbc, cp, rt->flv_size); + bytestream2_skip_p(&pbc, old_flv_size); + bytestream2_put_byte(&pbc, pkt->type); + bytestream2_put_be24(&pbc, datatowritelength); + bytestream2_put_be24(&pbc, ts); + bytestream2_put_byte(&pbc, ts >> 24); + bytestream2_put_be24(&pbc, 0); + bytestream2_put_buffer(&pbc, datatowrite, datatowritelength); + bytestream2_put_be32(&pbc, 0); + } + return 0; +} + /** * Parse received packet and possibly perform some action depending on * the packet contents. @@ -1430,6 +1899,7 @@ static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt) case RTMP_PT_VIDEO: case RTMP_PT_AUDIO: case RTMP_PT_METADATA: + case RTMP_PT_NOTIFY: /* Audio, Video and Metadata packets are parsed in get_packet() */ break; default: @@ -1489,7 +1959,9 @@ static int get_packet(URLContext *s, int for_header) ff_rtmp_packet_destroy(&rpkt); return AVERROR_EOF; } - if (for_header && (rt->state == STATE_PLAYING || rt->state == STATE_PUBLISHING)) { + if (for_header && (rt->state == STATE_PLAYING || + rt->state == STATE_PUBLISHING || + rt->state == STATE_RECEIVING)) { ff_rtmp_packet_destroy(&rpkt); return 0; } @@ -1514,6 +1986,14 @@ static int get_packet(URLContext *s, int for_header) bytestream_put_be32(&p, 0); ff_rtmp_packet_destroy(&rpkt); return 0; + } else if (rpkt.type == RTMP_PT_NOTIFY) { + ret = handle_notify(s, &rpkt); + ff_rtmp_packet_destroy(&rpkt); + if (ret) { + av_log(s, AV_LOG_ERROR, "Handle notify error\n"); + return ret; + } + return 0; } else if (rpkt.type == RTMP_PT_METADATA) { // we got raw FLV data, make it available for FLV demuxer rt->flv_off = 0; @@ -1584,11 +2064,19 @@ static int rtmp_open(URLContext *s, const char *uri, int flags) AVDictionary *opts = NULL; int ret; + if (rt->listen_timeout > 0) + rt->listen = 1; + rt->is_input = !(flags & AVIO_FLAG_WRITE); av_url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname), &port, path, sizeof(path), s->filename); + if (rt->listen && strcmp(proto, "rtmp")) { + av_log(s, AV_LOG_ERROR, "rtmp_listen not available for %s\n", + proto); + return AVERROR(EINVAL); + } if (!strcmp(proto, "rtmpt") || !strcmp(proto, "rtmpts")) { if (!strcmp(proto, "rtmpts")) av_dict_set(&opts, "ffrtmphttp_tls", "1", 1); @@ -1611,7 +2099,12 @@ static int rtmp_open(URLContext *s, const char *uri, int flags) /* open the tcp connection */ if (port < 0) port = RTMP_DEFAULT_PORT; - ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL); + if (rt->listen) + ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, + "?listen&listen_timeout=%d", + rt->listen_timeout * 1000); + else + ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL); } if ((ret = ffurl_open(&rt->stream, buf, AVIO_FLAG_READ_WRITE, @@ -1626,7 +2119,9 @@ static int rtmp_open(URLContext *s, const char *uri, int flags) } rt->state = STATE_START; - if ((ret = rtmp_handshake(s, rt)) < 0) + if (!rt->listen && (ret = rtmp_handshake(s, rt)) < 0) + goto fail; + if (rt->listen && (ret = rtmp_server_handshake(s, rt)) < 0) goto fail; rt->out_chunk_size = 128; @@ -1726,8 +2221,14 @@ static int rtmp_open(URLContext *s, const char *uri, int flags) av_log(s, AV_LOG_DEBUG, "Proto = %s, path = %s, app = %s, fname = %s\n", proto, path, rt->app, rt->playpath); - if ((ret = gen_connect(s, rt)) < 0) - goto fail; + if (!rt->listen) { + if ((ret = gen_connect(s, rt)) < 0) + goto fail; + } else { + if (read_connect(s, s->priv_data) < 0) + goto fail; + rt->is_input = 1; + } do { ret = get_packet(s, 1); @@ -1919,6 +2420,8 @@ static const AVOption rtmp_options[] = { {"rtmp_swfurl", "URL of the SWF player. By default no value will be sent", OFFSET(swfurl), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC}, {"rtmp_swfverify", "URL to player swf file, compute hash/size automatically.", OFFSET(swfverify), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC}, {"rtmp_tcurl", "URL of the target stream. Defaults to proto://host[:port]/app.", OFFSET(tcurl), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC}, + {"rtmp_listen", "Listen for incoming rtmp connections", OFFSET(listen), AV_OPT_TYPE_INT, {0}, INT_MIN, INT_MAX, DEC, "rtmp_listen" }, + {"timeout", "Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1", OFFSET(listen_timeout), AV_OPT_TYPE_INT, {-1}, INT_MIN, INT_MAX, DEC, "rtmp_listen" }, { NULL }, }; |