talk/app/webrtc/audiotrackimpl.h

/*
 * libjingle
 * Copyright 2011, Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 */

#ifndef TALK_APP_WEBRTC_AUDIOTRACKIMPL_H_
#define TALK_APP_WEBRTC_AUDIOTRACKIMPL_H_

#include "talk/app/webrtc/mediastream.h"
#include "talk/app/webrtc/mediatrackimpl.h"
#include "talk/app/webrtc/notifierimpl.h"
#include "talk/base/scoped_ref_ptr.h"

#ifdef WEBRTC_RELATIVE_PATH
#include "modules/audio_device/main/interface/audio_device.h"
#else
#include "third_party/webrtc/files/include/audio_device.h"
#endif

namespace webrtc {

class AudioTrack : public MediaStreamTrack<LocalAudioTrackInterface> {
 public:
  // Creates a remote audio track.
  static talk_base::scoped_refptr<AudioTrack> CreateRemote(
      const std::string& label);
  // Creates a local audio track.
  static talk_base::scoped_refptr<AudioTrack> CreateLocal(
      const std::string& label,
      AudioDeviceModule* audio_device);

  // Get the AudioDeviceModule associated with this track.
  virtual AudioDeviceModule* GetAudioDevice();

  // Implement MediaStreamTrack
  virtual std::string kind() const;

 protected:
  explicit AudioTrack(const std::string& label);
  AudioTrack(const std::string& label, AudioDeviceModule* audio_device);

 private:
  talk_base::scoped_refptr<AudioDeviceModule> audio_device_;
};

}  // namespace webrtc

#endif  // TALK_APP_WEBRTC_AUDIOTRACKIMPL_H_