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* Copyright 2012 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.
#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 "api/video/video_frame.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "media/base/video_source_base.h"
#include "rtc_base/thread.h"
#include "rtc_base/thread_annotations.h"
namespace webrtc {
class VideoTrack : public MediaStreamTrack<VideoTrackInterface>,
public rtc::VideoSourceBase,
public ObserverInterface {
static rtc::scoped_refptr<VideoTrack> Create(
const std::string& label,
VideoTrackSourceInterface* source,
rtc::Thread* worker_thread);
void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override;
void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override;
VideoTrackSourceInterface* GetSource() const override {
return video_source_.get();
ContentHint content_hint() const override;
void set_content_hint(ContentHint hint) override;
bool set_enabled(bool enable) override;
std::string kind() const override;
VideoTrack(const std::string& id,
VideoTrackSourceInterface* video_source,
rtc::Thread* worker_thread);
// Implements ObserverInterface. Observes |video_source_| state.
void OnChanged() override;
rtc::Thread* const worker_thread_;
SequenceChecker signaling_thread_checker_;
rtc::scoped_refptr<VideoTrackSourceInterface> video_source_;
ContentHint content_hint_ RTC_GUARDED_BY(signaling_thread_checker_);
} // namespace webrtc
#endif // PC_VIDEO_TRACK_H_