H.264 packetization mode 0 (try 3)

webrtc/media/base/codec.cc

Index: webrtc/media/base/codec.cc
diff --git a/webrtc/media/base/codec.cc b/webrtc/media/base/codec.cc
index 835cf77b3e77a87e3e31e7df747e09300cbd363b..76441a2c5c9ffb29543ea0250e8802fc3ed0ce15 100644
--- a/webrtc/media/base/codec.cc
+++ b/webrtc/media/base/codec.cc
@@ -82,7 +82,9 @@ bool FeedbackParams::HasDuplicateEntries() const {
 }
 
 Codec::Codec(int id, const std::string& name, int clockrate)
-    : id(id), name(name), clockrate(clockrate) {}
+    : id(id), name(name), clockrate(clockrate) {
+  SetDefaultParameters();
+}
 
 Codec::Codec() : id(0), clockrate(0) {}
 
@@ -107,6 +109,16 @@ bool Codec::Matches(const Codec& codec) const {
              : (_stricmp(name.c_str(), codec.name.c_str()) == 0);
 }
 
+void Codec::SetDefaultParameters() {
+  if (_stricmp(kH264CodecName, name.c_str()) == 0) {
+    // TODO(magjed): Move setting these parameters into webrtc::H264Encoder
+    // instead.
+    SetParam(kH264FmtpProfileLevelId, kH264ProfileLevelConstrainedBaseline);
+    SetParam(kH264FmtpLevelAsymmetryAllowed, "1");
+    SetParam(kH264FmtpPacketizationMode, "1");
+  }
+}
+
 bool Codec::GetParam(const std::string& name, std::string* out) const {
   CodecParameterMap::const_iterator iter = params.find(name);
   if (iter == params.end())