MediaLog: Log selected audio/video decoder name.

media/filters/decoder_stream_traits.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/filters/decoder_stream_traits.h"
 
 #include "base/logging.h"
 #include "media/base/audio_buffer.h"
 #include "media/base/audio_decoder.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/video_decoder.h"
 #include "media/base/video_decoder_config.h"
 #include "media/base/video_frame.h"
 
 namespace media {
 
 std::string DecoderStreamTraits<DemuxerStream::AUDIO>::ToString() {
-  return "Audio";
+  return "audio";
 }
 
 void DecoderStreamTraits<DemuxerStream::AUDIO>::Initialize(
     DecoderType* decoder,
     const DecoderConfigType& config,
     bool low_delay,
     const PipelineStatusCB& status_cb,
     const OutputCB& output_cb) {
   decoder->Initialize(config, status_cb, output_cb);
 }
@@ skipping 11 matching lines @@
         DemuxerStream& stream) {
   return stream.audio_decoder_config();
 }
 
 scoped_refptr<DecoderStreamTraits<DemuxerStream::AUDIO>::OutputType>
     DecoderStreamTraits<DemuxerStream::AUDIO>::CreateEOSOutput() {
   return OutputType::CreateEOSBuffer();
 }
 
 std::string DecoderStreamTraits<DemuxerStream::VIDEO>::ToString() {
-  return "Video";
+  return "video";
 }
 
 void DecoderStreamTraits<DemuxerStream::VIDEO>::Initialize(
     DecoderType* decoder,
     const DecoderConfigType& config,
     bool low_delay,
     const PipelineStatusCB& status_cb,
     const OutputCB& output_cb) {
   decoder->Initialize(config, low_delay, status_cb, output_cb);
 }
@@ skipping 16 matching lines @@
         DemuxerStream& stream) {
   return stream.video_decoder_config();
 }
 
 scoped_refptr<DecoderStreamTraits<DemuxerStream::VIDEO>::OutputType>
     DecoderStreamTraits<DemuxerStream::VIDEO>::CreateEOSOutput() {
   return OutputType::CreateEOSFrame();
 }
 
 }  // namespace media