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/*
* Copyright 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef PC_AUDIO_TRACK_H_
#define PC_AUDIO_TRACK_H_
#include <string>
#include "api/media_stream_interface.h"
#include "api/media_stream_track.h"
#include "api/scoped_refptr.h"
#include "api/sequence_checker.h"
#include "rtc_base/system/no_unique_address.h"
namespace webrtc {
// TODO(tommi): Instead of inheriting from `MediaStreamTrack<>`, implement the
// properties directly in this class. `MediaStreamTrack` doesn't guard against
// conflicting access, so we'd need to override those methods anyway in this
// class in order to make sure things are correctly checked.
class AudioTrack : public MediaStreamTrack<AudioTrackInterface>,
public ObserverInterface {
protected:
// Protected ctor to force use of factory method.
AudioTrack(absl::string_view label,
const rtc::scoped_refptr<AudioSourceInterface>& source);
AudioTrack() = delete;
AudioTrack(const AudioTrack&) = delete;
AudioTrack& operator=(const AudioTrack&) = delete;
~AudioTrack() override;
public:
static rtc::scoped_refptr<AudioTrack> Create(
absl::string_view id,
const rtc::scoped_refptr<AudioSourceInterface>& source);
// MediaStreamTrack implementation.
std::string kind() const override;
// AudioTrackInterface implementation.
AudioSourceInterface* GetSource() const override;
void AddSink(AudioTrackSinkInterface* sink) override;
void RemoveSink(AudioTrackSinkInterface* sink) override;
private:
// ObserverInterface implementation.
void OnChanged() override;
private:
const rtc::scoped_refptr<AudioSourceInterface> audio_source_;
RTC_NO_UNIQUE_ADDRESS webrtc::SequenceChecker signaling_thread_checker_;
};
} // namespace webrtc
#endif // PC_AUDIO_TRACK_H_
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