Added debug logging for MSE config changes.

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 <deque>
 
 #include "base/bind.h"
@@ skipping 502 matching lines @@
           *status = DemuxerStream::kOk;
           return true;
         case SourceBufferStream::kNeedBuffer:
           if (end_of_stream_) {
             *status = DemuxerStream::kOk;
             *buffer = StreamParserBuffer::CreateEOSBuffer();
             return true;
           }
           return false;
         case SourceBufferStream::kConfigChange:
+          DVLOG(2) << "Config change reported to ChunkDemuxerStream.";
           *status = kConfigChanged;
           *buffer = NULL;
           return true;
       }
       break;
     case CANCELED:
     case WAITING_FOR_SEEK:
       // Null buffers should be returned in this state since we are waiting
       // for a seek. Any buffers in the SourceBuffer should NOT be returned
       // because they are associated with the seek.
@@ skipping 578 matching lines @@
   }
 
   if (video_config.IsValidConfig()) {
     if (video_) {
       success &= video_->UpdateVideoConfig(video_config);
     } else {
       video_ = new ChunkDemuxerStream(video_config, log_cb_);
     }
   }
 
-  DVLOG(1) << "OnNewConfigs() : success " << success;
+  DVLOG(1) << "OnNewConfigs() : " << (success ? "success" : "failed");
   return success;
 }
 
 bool ChunkDemuxer::OnAudioBuffers(const StreamParser::BufferQueue& buffers) {
   lock_.AssertAcquired();
   DCHECK_NE(state_, SHUTDOWN);
 
   if (!audio_)
     return false;
 
@@ skipping 114 matching lines @@
 
 Ranges<TimeDelta> ChunkDemuxer::GetBufferedRanges() const {
   if (audio_ && !video_)
     return audio_->GetBufferedRanges(duration_);
   else if (!audio_ && video_)
     return video_->GetBufferedRanges(duration_);
   return ComputeIntersection();
 }
 
 }  // namespace media