Allow mp3 audio codec for mpeg2ts containers in MSE

media/filters/chunk_demuxer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/filters/chunk_demuxer.h"
 
 #include <algorithm>
 #include <limits>
 #include <utility>
 
@@ skipping 586 matching lines @@
 
   if ((state_ != WAITING_FOR_INIT && state_ != INITIALIZING) || IsValidId(id))
     return kReachedIdLimit;
 
   std::vector<std::string> parsed_codec_ids;
   media::SplitCodecsToVector(codecs, &parsed_codec_ids, false);
 
   std::unique_ptr<media::StreamParser> stream_parser(
       StreamParserFactory::Create(type, parsed_codec_ids, media_log_));
 
-  if (!stream_parser)
+  if (!stream_parser) {
+    DVLOG(1) << __func__ << " failed: unsupported mime_type=" << type
+             << " codecs=" << codecs;
     return ChunkDemuxer::kNotSupported;
+  }
 
   std::unique_ptr<FrameProcessor> frame_processor(
       new FrameProcessor(base::Bind(&ChunkDemuxer::IncreaseDurationIfNecessary,
                                     base::Unretained(this)),
                          media_log_));
 
   std::unique_ptr<SourceBufferState> source_state(new SourceBufferState(
       std::move(stream_parser), std::move(frame_processor),
       base::Bind(&ChunkDemuxer::CreateDemuxerStream, base::Unretained(this),
                  id),
@@ skipping 720 matching lines @@
 }
 
 void ChunkDemuxer::ShutdownAllStreams() {
   for (auto itr = source_state_map_.begin(); itr != source_state_map_.end();
        ++itr) {
     itr->second->Shutdown();
   }
 }
 
 }  // namespace media