From da570a4d86d0e608ca62611ac783191ca053b232 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Sun, 26 Oct 2014 10:20:11 +0100
Subject: Add support for RTMP protocol with librtmp parameters input style.

---
 demuxer/Demuxers/LAVFDemuxer.cpp | 61 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

(limited to 'demuxer')

diff --git a/demuxer/Demuxers/LAVFDemuxer.cpp b/demuxer/Demuxers/LAVFDemuxer.cpp
index 7f6082fc..980681b4 100644
--- a/demuxer/Demuxers/LAVFDemuxer.cpp
+++ b/demuxer/Demuxers/LAVFDemuxer.cpp
@@ -180,6 +180,23 @@ static LPCWSTR wszBlockedExtensions[] = {
   L".ifo", L".bup"
 };
 
+static std::pair<const char*, const char*> rtmpParametersTranslate[] = {
+  std::make_pair("app", "rtmp_app"),
+  std::make_pair("buffer", "rtmp_buffer"),
+  std::make_pair("conn", "rtmp_conn"),
+  std::make_pair("flashVer", "rtmp_flashver"),
+  std::make_pair("rtmp_flush_interval", "rtmp_flush_interval"),
+  std::make_pair("live", "rtmp_live"),
+  std::make_pair("pageUrl", "rtmp_pageurl"),
+  std::make_pair("playpath", "rtmp_playpath"),
+  std::make_pair("subscribe", "rtmp_subscribe"),
+  std::make_pair("swfHash", "rtmp_swfhash"),
+  std::make_pair("swfSize", "rtmp_swfsize"),
+  std::make_pair("swfUrl", "rtmp_swfurl"),
+  std::make_pair("swfVfy", "rtmp_swfverify"),
+  std::make_pair("tcUrl", "rtmp_tcurl")
+};
+
 STDMETHODIMP CLAVFDemuxer::OpenInputStream(AVIOContext *byteContext, LPCOLESTR pszFileName, const char *format, BOOL bForce, BOOL bFileSource)
 {
   CAutoLock lock(m_pLock);
@@ -203,6 +220,7 @@ STDMETHODIMP CLAVFDemuxer::OpenInputStream(AVIOContext *byteContext, LPCOLESTR p
     memcpy(fileName, "http", 4);
   }
 
+  char       * rtmp_prameters = nullptr;
   const char * rtsp_transport = nullptr;
   // check for rtsp transport protocol options
   if (_strnicmp("rtsp", fileName, 4) == 0) {
@@ -220,6 +238,11 @@ STDMETHODIMP CLAVFDemuxer::OpenInputStream(AVIOContext *byteContext, LPCOLESTR p
     if (rtsp_transport != nullptr) {
       memmove(fileName + 4, fileName + 5, strlen(fileName) - 4);
     }
+  } else if (_strnicmp("rtmp", fileName, 4) == 0) {
+    rtmp_prameters = strchr(fileName, ' ');
+    if (rtmp_prameters) {
+      *rtmp_prameters = '\0'; // Trim not supported part form fileName
+    }
   }
 
   AVIOInterruptCB cb = {avio_interrupt_cb, this};
@@ -272,6 +295,44 @@ trynoformat:
     av_dict_set(&options, "rtsp_transport", rtsp_transport, 0);
   }
 
+  if (rtmp_prameters != nullptr) {
+    char  buff[4100];
+    char* next_token = nullptr;
+    bool  bSwfVerify = false;
+
+    strcpy_s(buff, rtmp_prameters + 1);
+    const char* token = strtok_s(buff, " ", &next_token);
+    while (token) {
+      for (size_t i = 0; i < _countof(rtmpParametersTranslate); i++) {
+        const size_t len = strlen(rtmpParametersTranslate[i].first);
+        if (_strnicmp(token, rtmpParametersTranslate[i].first, len) == 0) {
+          if (strlen(token) > len + 1 && token[len] == '=') {
+            if (_strnicmp("swfVfy", rtmpParametersTranslate[i].first, len) == 0) {
+              bSwfVerify = token[len + 1] == '1';
+              continue;
+            } else if (_strnicmp("live", rtmpParametersTranslate[i].first, len) == 0) {
+              if (token[len + 1] == '1') {
+                av_dict_set(&options, rtmpParametersTranslate[i].second, "live", 0);
+              } else if (token[len + 1] == '0') {
+                av_dict_set(&options, rtmpParametersTranslate[i].second, "recorded", 0);
+              }
+              continue;
+            }
+            av_dict_set(&options, rtmpParametersTranslate[i].second, token + len + 1, 0);
+          }
+        }
+      }
+      token = strtok_s(nullptr, " ", &next_token);
+    }
+
+    if (bSwfVerify) {
+      const AVDictionaryEntry* swfUrlEntry = av_dict_get(options, "rtmp_swfurl", nullptr, 0);
+      if (swfUrlEntry) {
+        av_dict_set(&options, "rtmp_swfverify", swfUrlEntry->value, 0);
+      }
+    }
+  }
+
   m_timeOpening = time(nullptr);
   ret = avformat_open_input(&m_avFormat, fileName, inputFormat, &options);
   av_dict_free(&options);
-- 
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