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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.
*/
#ifndef WEBRTC_API_VIDEOTRACK_H_
#define WEBRTC_API_VIDEOTRACK_H_
#include <string>
#include <vector>
#include "webrtc/api/mediastreamtrack.h"
#include "webrtc/base/scoped_ref_ptr.h"
#include "webrtc/base/thread_checker.h"
#include "webrtc/media/base/videosourcebase.h"
namespace webrtc {
class VideoTrack : public MediaStreamTrack<VideoTrackInterface>,
public rtc::VideoSourceBase,
public ObserverInterface {
public:
static rtc::scoped_refptr<VideoTrack> Create(
const std::string& label,
VideoTrackSourceInterface* source);
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;
protected:
VideoTrack(const std::string& id, VideoTrackSourceInterface* video_source);
~VideoTrack();
private:
// Implements ObserverInterface. Observes |video_source_| state.
void OnChanged() override;
rtc::ThreadChecker signaling_thread_checker_;
rtc::ThreadChecker worker_thread_checker_;
rtc::scoped_refptr<VideoTrackSourceInterface> video_source_;
ContentHint content_hint_ GUARDED_BY(signaling_thread_checker_);
};
} // namespace webrtc
#endif // WEBRTC_API_VIDEOTRACK_H_
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