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// Copyright 2013 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 MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_
#define MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread_checker.h"
#include "media/base/audio_bus.h"
#include "media/cast/cast_config.h"
#include "media/cast/cast_environment.h"
namespace base {
class TimeTicks;
}
namespace media {
namespace cast {
class AudioEncoder {
public:
typedef base::Callback<void(scoped_ptr<transport::EncodedAudioFrame>,
const base::TimeTicks&)> FrameEncodedCallback;
AudioEncoder(const scoped_refptr<CastEnvironment>& cast_environment,
const AudioSenderConfig& audio_config,
const FrameEncodedCallback& frame_encoded_callback);
virtual ~AudioEncoder();
CastInitializationStatus InitializationResult() const;
void InsertAudio(scoped_ptr<AudioBus> audio_bus,
const base::TimeTicks& recorded_time);
private:
class ImplBase;
class OpusImpl;
class Pcm16Impl;
const scoped_refptr<CastEnvironment> cast_environment_;
scoped_refptr<ImplBase> impl_;
// Used to ensure only one thread invokes InsertAudio().
base::ThreadChecker insert_thread_checker_;
DISALLOW_COPY_AND_ASSIGN(AudioEncoder);
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_
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