Add MediaCodecAudioDecoder implementation

media/base/audio_buffer.h

Index: media/base/audio_buffer.h
diff --git a/media/base/audio_buffer.h b/media/base/audio_buffer.h
index 8ae281eabda8788e53985f7c8f684e884e0594f8..53e3beb9b56d9a77c1e6d0e3936577b30d48b982 100644
--- a/media/base/audio_buffer.h
+++ b/media/base/audio_buffer.h
@@ -135,6 +135,11 @@ class MEDIA_EXPORT AudioBuffer
   // data is grouped by channel. There is only 1 entry for interleaved formats.
   const std::vector<uint8_t*>& channel_data() const { return channel_data_; }
 
+  // Access to the interleaved raw buffer for Android MediaCodec to write
+  // directly to.
+  uint8_t* interleaved_data() const { return data_.get(); }

[DaleCurtis, 2016/02/01 19:08:17]

You can just use channel_data()[0] in this case, seems reasonable to return
data_size(). 

[Tima Vaisburd, 2016/02/04 22:59:12]

Removed these methods and added data_size() method instead, I hope this is what
you meant?

+  size_t interleaved_data_size() const { return data_ ? data_size_ : 0; }
+
  private:
   friend class base::RefCountedThreadSafe<AudioBuffer>;