MSE: Relax the 'media segment must begin with keyframe' requirement

media/formats/mp4/mp4_stream_parser.cc

Index: media/formats/mp4/mp4_stream_parser.cc
diff --git a/media/formats/mp4/mp4_stream_parser.cc b/media/formats/mp4/mp4_stream_parser.cc
index 18698b36c4ab2426d00f1832743e7561df5eb8c1..d9a10aebb06969f616fb9f3c98736cca853ae64f 100644
--- a/media/formats/mp4/mp4_stream_parser.cc
+++ b/media/formats/mp4/mp4_stream_parser.cc
@@ -47,7 +47,7 @@ void MP4StreamParser::Init(
     const NewBuffersCB& new_buffers_cb,
     bool /* ignore_text_tracks */,
     const EncryptedMediaInitDataCB& encrypted_media_init_data_cb,
-    const NewMediaSegmentCB& new_segment_cb,
+    const base::Closure& start_of_segment_cb,
     const base::Closure& end_of_segment_cb,
     const scoped_refptr<MediaLog>& media_log) {
   DCHECK_EQ(state_, kWaitingForInit);
@@ -63,7 +63,7 @@ void MP4StreamParser::Init(
   config_cb_ = config_cb;
   new_buffers_cb_ = new_buffers_cb;
   encrypted_media_init_data_cb_ = encrypted_media_init_data_cb;
-  new_segment_cb_ = new_segment_cb;
+  start_of_segment_cb_ = start_of_segment_cb;
   end_of_segment_cb_ = end_of_segment_cb;
   media_log_ = media_log;
 }
@@ -361,7 +361,7 @@ bool MP4StreamParser::ParseMoof(BoxReader* reader) {
   if (!moof.pssh.empty())
     OnEncryptedMediaInitData(moof.pssh);
 
-  new_segment_cb_.Run();
+  start_of_segment_cb_.Run();
   ChangeState(kWaitingForSampleData);
   return true;
 }
@@ -409,7 +409,7 @@ bool MP4StreamParser::EnqueueSample(BufferQueue* audio_buffers,
 
   if (!runs_->IsRunValid()) {
     // Flush any buffers we've gotten in this chunk so that buffers don't
-    // cross NewSegment() calls
+    // cross |start_of_segment_cb_| calls
     *err = !SendAndFlushSamples(audio_buffers, video_buffers);
     if (*err)
       return false;