69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*
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* Copyright 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef PC_VIDEO_TRACK_H_
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#define PC_VIDEO_TRACK_H_
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#include <string>
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#include "api/media_stream_interface.h"
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#include "api/scoped_refptr.h"
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#include "api/video/video_frame.h"
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#include "api/video/video_sink_interface.h"
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#include "api/video/video_source_interface.h"
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#include "media/base/video_source_base.h"
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#include "pc/media_stream_track.h"
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#include "rtc_base/thread.h"
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#include "rtc_base/thread_annotations.h"
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#include "rtc_base/thread_checker.h"
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namespace webrtc {
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class VideoTrack : public MediaStreamTrack<VideoTrackInterface>,
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public rtc::VideoSourceBase,
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public ObserverInterface {
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public:
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static rtc::scoped_refptr<VideoTrack> Create(
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const std::string& label,
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VideoTrackSourceInterface* source,
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rtc::Thread* worker_thread);
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void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
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const rtc::VideoSinkWants& wants) override;
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void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override;
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VideoTrackSourceInterface* GetSource() const override {
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return video_source_.get();
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}
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ContentHint content_hint() const override;
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void set_content_hint(ContentHint hint) override;
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bool set_enabled(bool enable) override;
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std::string kind() const override;
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protected:
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VideoTrack(const std::string& id,
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VideoTrackSourceInterface* video_source,
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rtc::Thread* worker_thread);
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~VideoTrack();
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private:
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// Implements ObserverInterface. Observes |video_source_| state.
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void OnChanged() override;
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rtc::Thread* const worker_thread_;
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rtc::ThreadChecker signaling_thread_checker_;
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rtc::scoped_refptr<VideoTrackSourceInterface> video_source_;
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ContentHint content_hint_ RTC_GUARDED_BY(signaling_thread_checker_);
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};
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} // namespace webrtc
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#endif // PC_VIDEO_TRACK_H_
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