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/*
* Copyright 2016 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_VIDEOTRACKSOURCE_H_
#define PC_VIDEOTRACKSOURCE_H_
#include "api/mediastreaminterface.h"
#include "api/notifier.h"
#include "api/video/video_sink_interface.h"
#include "media/base/mediachannel.h"
#include "rtc_base/thread_checker.h"
// VideoTrackSource implements VideoTrackSourceInterface.
namespace webrtc {
class VideoTrackSource : public Notifier<VideoTrackSourceInterface> {
public:
VideoTrackSource(rtc::VideoSourceInterface<VideoFrame>* source, bool remote);
void SetState(SourceState new_state);
// OnSourceDestroyed clears this instance pointer to |source_|. It is useful
// when the underlying rtc::VideoSourceInterface is destroyed before the
// reference counted VideoTrackSource.
void OnSourceDestroyed();
SourceState state() const override { return state_; }
bool remote() const override { return remote_; }
bool is_screencast() const override { return false; }
rtc::Optional<bool> needs_denoising() const override { return rtc::nullopt; }
bool GetStats(Stats* stats) override { return false; }
void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override;
void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override;
private:
rtc::ThreadChecker worker_thread_checker_;
rtc::VideoSourceInterface<VideoFrame>* source_;
SourceState state_;
const bool remote_;
};
} // namespace webrtc
#endif // PC_VIDEOTRACKSOURCE_H_
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