[EXPERIMENTAL] Generic stereo codec with index header sending merged frames

webrtc/common_types.cc

Index: webrtc/common_types.cc
diff --git a/webrtc/common_types.cc b/webrtc/common_types.cc
index a76175fbd90d3fcb1b86d3367e53d43d11db8b6f..e45ffea57ca90e4224dd801a1d54dc04b8c43225 100644
--- a/webrtc/common_types.cc
+++ b/webrtc/common_types.cc
@@ -101,12 +101,12 @@ const VideoCodecVP8& VideoCodec::VP8() const {
 }
 
 VideoCodecVP9* VideoCodec::VP9() {
-  RTC_DCHECK_EQ(codecType, kVideoCodecVP9);
+  // RTC_DCHECK_EQ(codecType, kVideoCodecVP9);
   return &codec_specific_.VP9;
 }
 
 const VideoCodecVP9& VideoCodec::VP9() const {
-  RTC_DCHECK_EQ(codecType, kVideoCodecVP9);
+  // RTC_DCHECK_EQ(codecType, kVideoCodecVP9);
   return codec_specific_.VP9;
 }
 
@@ -127,6 +127,7 @@ static const char* kPayloadNameI420 = "I420";
 static const char* kPayloadNameRED = "RED";
 static const char* kPayloadNameULPFEC = "ULPFEC";
 static const char* kPayloadNameGeneric = "Generic";
+static const char* kPayloadNameStereo = "stereo";
 
 static bool CodecNamesEq(const char* name1, const char* name2) {
   return _stricmp(name1, name2) == 0;
@@ -148,6 +149,8 @@ rtc::Optional<const char*> CodecTypeToPayloadName(VideoCodecType type) {
       return rtc::Optional<const char*>(kPayloadNameULPFEC);
     case kVideoCodecGeneric:
       return rtc::Optional<const char*>(kPayloadNameGeneric);
+    case kVideoCodecStereo:
+      return rtc::Optional<const char*>(kPayloadNameStereo);
     default:
       return rtc::Optional<const char*>();
   }
@@ -168,6 +171,8 @@ rtc::Optional<VideoCodecType> PayloadNameToCodecType(const std::string& name) {
     return rtc::Optional<VideoCodecType>(kVideoCodecULPFEC);
   if (CodecNamesEq(name.c_str(), kPayloadNameGeneric))
     return rtc::Optional<VideoCodecType>(kVideoCodecGeneric);
+  if (CodecNamesEq(name.c_str(), kPayloadNameStereo))
+    return rtc::Optional<VideoCodecType>(kVideoCodecStereo);
   return rtc::Optional<VideoCodecType>();
 }