Switching decoders to use the injected message loop.

media/filters/ffmpeg_audio_decoder.cc

 // Copyright (c) 2009 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/base/data_buffer.h"
 #include "media/filters/ffmpeg_audio_decoder.h"
 #include "media/filters/ffmpeg_common.h"
 #include "media/filters/ffmpeg_demuxer.h"
 
 namespace media {
 
 // Size of the decoded audio buffer.
 const size_t FFmpegAudioDecoder::kOutputBufferSize =
     AVCODEC_MAX_AUDIO_FRAME_SIZE;
 
 FFmpegAudioDecoder::FFmpegAudioDecoder()
-    : DecoderBase<AudioDecoder, Buffer>("AudioDecoderThread"),
-      codec_context_(NULL) {
+    : codec_context_(NULL) {
 }
 
 FFmpegAudioDecoder::~FFmpegAudioDecoder() {
 }
 
 // static
 bool FFmpegAudioDecoder::IsMediaFormatSupported(const MediaFormat& format) {
   std::string mime_type;
   return format.GetAsString(MediaFormat::kMimeType, &mime_type) &&
       mime_type::kFFmpegAudio == mime_type;
@@ skipping 113 matching lines @@
 base::TimeDelta FFmpegAudioDecoder::CalculateDuration(size_t size) {
   int64 denominator = codec_context_->channels *
       av_get_bits_per_sample_format(codec_context_->sample_fmt) / 8 *
       codec_context_->sample_rate;
   double microseconds = size /
       (denominator / static_cast<double>(base::Time::kMicrosecondsPerSecond));
   return base::TimeDelta::FromMicroseconds(static_cast<int64>(microseconds));
 }
 
 }  // namespace