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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 CONTENT_RENDERER_MEDIA_PEER_CONNECTION_AUDIO_SINK_OWNER_H_
#define CONTENT_RENDERER_MEDIA_PEER_CONNECTION_AUDIO_SINK_OWNER_H_
#include <vector>
#include "base/synchronization/lock.h"
#include "content/renderer/media/media_stream_audio_track_sink.h"
namespace content {
class PeerConnectionAudioSink;
// Reference counted holder of PeerConnectionAudioSink.
class PeerConnectionAudioSinkOwner : public MediaStreamAudioTrackSink {
public:
explicit PeerConnectionAudioSinkOwner(PeerConnectionAudioSink* sink);
// MediaStreamAudioTrackSink implementation.
virtual int OnData(const int16* audio_data,
int sample_rate,
int number_of_channels,
int number_of_frames,
const std::vector<int>& channels,
int audio_delay_milliseconds,
int current_volume,
bool need_audio_processing,
bool key_pressed) OVERRIDE;
virtual void OnSetFormat(const media::AudioParameters& params) OVERRIDE;
virtual void OnReadyStateChanged(
blink::WebMediaStreamSource::ReadyState state) OVERRIDE;
virtual void Reset() OVERRIDE;
virtual bool IsEqual(const MediaStreamAudioSink* other) const OVERRIDE;
virtual bool IsEqual(const PeerConnectionAudioSink* other) const OVERRIDE;
protected:
virtual ~PeerConnectionAudioSinkOwner() {}
private:
mutable base::Lock lock_;
// Raw pointer to the delegate, the client need to call Reset() to set the
// pointer to NULL before the delegate goes away.
PeerConnectionAudioSink* delegate_;
DISALLOW_COPY_AND_ASSIGN(PeerConnectionAudioSinkOwner);
};
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_PEER_CONNECTION_AUDIO_SINK_OWNER_H_
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