Adding an interface to allow extention of the audio player for CRD and iOS.

remoting/client/audio_player.h

 // Copyright (c) 2012 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.
 
 #ifndef REMOTING_CLIENT_AUDIO_PLAYER_H_
 #define REMOTING_CLIENT_AUDIO_PLAYER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <list>
 #include <memory>
 
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
+#include "remoting/client/audio_consumer.h"
 #include "remoting/proto/audio.pb.h"
 
 namespace remoting {
 
-class AudioPlayer {
+class AudioPlayer : public AudioConsumer {
  public:
   // The number of channels in the audio stream (only supporting stereo audio
   // for now).
   static const int kChannels = 2;
   static const int kSampleSizeBytes = 2;
 
-  virtual ~AudioPlayer();
+  ~AudioPlayer() override;
 
   void ProcessAudioPacket(std::unique_ptr<AudioPacket> packet);
 
+  // AudioConsumer implementation.
+  void AddAudioPacket(std::unique_ptr<AudioPacket> packet) override;
+
  protected:
   AudioPlayer();
 
   // Return the recommended number of samples to include in a frame.
   virtual uint32_t GetSamplesPerFrame() = 0;
 
   // Resets the audio player and starts playback.
   // Returns true on success.
   virtual bool ResetAudioPlayer(AudioPacket::SamplingRate sampling_rate) = 0;
 
@@ skipping 27 matching lines @@
 
   // The number of bytes from |queued_packets_| that have been consumed.
   size_t bytes_consumed_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioPlayer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_AUDIO_PLAYER_H_