media: Opus support for WebM in Media Source

media/base/audio_decoder_config.h

Index: media/base/audio_decoder_config.h
diff --git a/media/base/audio_decoder_config.h b/media/base/audio_decoder_config.h
index 1c61e70c3adba554c50a83d8f63e6f4208fc0296..c689ff16e79f07f06f92124fbab8baa14a3fe59b 100644
--- a/media/base/audio_decoder_config.h
+++ b/media/base/audio_decoder_config.h
@@ -80,6 +80,12 @@ class MEDIA_EXPORT AudioDecoderConfig {
   int samples_per_second() const { return samples_per_second_; }
   SampleFormat sample_format() const { return sample_format_; }
   int bytes_per_frame() const { return bytes_per_frame_; }
+  int64 seek_pre_roll() const { return seek_pre_roll_; }
+  void set_seek_pre_roll(int64 seek_pre_roll) {
+    seek_pre_roll_ = seek_pre_roll;
+  }
+  int64 codec_delay() const { return codec_delay_; }
+  void set_codec_delay(int64 codec_delay) { codec_delay_ = codec_delay; }
 
   // Optional byte data required to initialize audio decoders such as Vorbis
   // codebooks.
@@ -102,6 +108,8 @@ class MEDIA_EXPORT AudioDecoderConfig {
   int bytes_per_frame_;
   std::vector<uint8> extra_data_;
   bool is_encrypted_;
+  int64 seek_pre_roll_;
+  int64 codec_delay_;

[fgalligan1, 2013/08/26 21:10:06]

I think you need to add comments about what these members are, what are their
units,...

[vignesh, 2013/08/26 21:44:23]

Done.

 
   // Not using DISALLOW_COPY_AND_ASSIGN here intentionally to allow the compiler
   // generated copy constructor and assignment operator. Since the extra data is