Return buffers from StreamParsers in a single unified map

media/formats/mpeg/mpeg_audio_stream_parser_base.cc

 // Copyright 2014 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/formats/mpeg/mpeg_audio_stream_parser_base.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 390 matching lines @@
 
 bool MPEGAudioStreamParserBase::SendBuffers(BufferQueue* buffers,
                                             bool end_of_segment) {
   DCHECK(!buffers->empty());
 
   if (!in_media_segment_) {
     in_media_segment_ = true;
     new_segment_cb_.Run();
   }
 
-  BufferQueue empty_video_buffers;
-  TextBufferQueueMap empty_text_map;
-  if (!new_buffers_cb_.Run(*buffers, empty_video_buffers, empty_text_map))
+  BufferQueueMap buffer_queue_map;
+  buffer_queue_map.insert(std::make_pair(kMpegAudioTrackId, *buffers));
+  if (!new_buffers_cb_.Run(buffer_queue_map))
     return false;
   buffers->clear();
 
   if (end_of_segment) {
     in_media_segment_ = false;
     end_of_segment_cb_.Run();
   }
 
   timestamp_helper_->SetBaseTimestamp(base::TimeDelta());
   return true;
 }
 
 }  // namespace media