Implement MojoAudioDecoder

media/mojo/services/mojo_audio_decoder.h

Index: media/mojo/services/mojo_audio_decoder.h
diff --git a/media/mojo/services/mojo_audio_decoder.h b/media/mojo/services/mojo_audio_decoder.h
index eba5e75cdbd9ea3b27aabb202383031166ead818..6bfae6e8415d14fba205b4e91d8dc920bf49177b 100644
--- a/media/mojo/services/mojo_audio_decoder.h
+++ b/media/mojo/services/mojo_audio_decoder.h
@@ -9,6 +9,7 @@
 #include "base/memory/ref_counted.h"
 #include "media/base/audio_decoder.h"
 #include "media/mojo/interfaces/audio_decoder.mojom.h"
+#include "mojo/public/cpp/bindings/binding.h"
 
 namespace base {
 class SingleThreadTaskRunner;
@@ -17,7 +18,8 @@ class SingleThreadTaskRunner;
 namespace media {
 
 // An AudioDecoder that proxies to an interfaces::AudioDecoder.
-class MojoAudioDecoder : public AudioDecoder {
+class MojoAudioDecoder : public AudioDecoder,
+                         public interfaces::AudioDecoderClient {
  public:
   MojoAudioDecoder(scoped_refptr<base::SingleThreadTaskRunner> task_runner,
                    interfaces::AudioDecoderPtr remote_decoder);
@@ -34,10 +36,41 @@ class MojoAudioDecoder : public AudioDecoder {
   void Reset(const base::Closure& closure) final;
   bool NeedsBitstreamConversion() const final;
 
+  // AudioDecoderClient implementation.
+  void OnBufferDecoded(interfaces::AudioBufferPtr buffer) final;
+
  private:
+  // Callback for connection error on |remote_decoder_|.
+  void OnConnectionError();
+
+  // Called when |remote_decoder_| finished initialization.
+  void OnInitialized(bool status, bool needs_bitstream_conversion);
+
+  // Called when |remote_decoder_| accepted or rejected DecoderBuffer.
+  void OnDecodeStatus(interfaces::AudioDecoder::DecodeStatus decode_status);
+
+  // called when |remote_decoder_| finished Reset() sequence.
+  void OnResetDone();
+
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
+
   interfaces::AudioDecoderPtr remote_decoder_;
 
+  // Binding for AudioDecoderClient, bound to the |task_runner_|.
+  mojo::Binding<AudioDecoderClient> binding_;
+
+  // We call these callbacks to pass the information to the pipeline.
+  InitCB init_cb_;
+  DecodeCB decode_cb_;
+  base::Closure reset_cb_;
+
+  // Flag that is set if we got connection error. Never cleared.
+  bool has_connection_error_;
+
+  // Flag telling whether this decoder requires bitstream conversion.
+  // Passed from |remote_decoder_| as a result of its initialization.
+  bool needs_bitstream_conversion_;
+
   DISALLOW_COPY_AND_ASSIGN(MojoAudioDecoder);
 };