Files
platform-external-webrtc/pc/video_track.h
Markus Handell dbef2bd276 ZeroHertzAdapterMode: RequestRefreshFrame through VideoTrack & proxy.
This CL continues on https://webrtc-review.googlesource.com/c/src/+/242361
to enable progression of RequestRefreshFrame calls in into
the stored VideoTrackSourceInterface.

go/rtc-0hz-present

Bug: chromium:1255737
Change-Id: I558e7a616b3369192c52f7211bbe41a4376b48c1
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/242365
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Commit-Queue: Markus Handell <handellm@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35567}
2021-12-22 11:59:26 +00:00

70 lines
2.3 KiB
C++

/*
* 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 PC_VIDEO_TRACK_H_
#define PC_VIDEO_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 "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::VideoSourceBaseGuarded,
public ObserverInterface {
public:
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;
void RequestRefreshFrame() override;
VideoTrackSourceInterface* GetSource() const override;
ContentHint content_hint() const override;
void set_content_hint(ContentHint hint) override;
bool set_enabled(bool enable) override;
bool enabled() const override;
MediaStreamTrackInterface::TrackState state() const override;
std::string kind() const override;
protected:
VideoTrack(const std::string& id,
VideoTrackSourceInterface* video_source,
rtc::Thread* worker_thread);
~VideoTrack();
private:
// Implements ObserverInterface. Observes `video_source_` state.
void OnChanged() override;
RTC_NO_UNIQUE_ADDRESS webrtc::SequenceChecker signaling_thread_;
rtc::Thread* const worker_thread_;
const rtc::scoped_refptr<VideoTrackSourceInterface> video_source_;
ContentHint content_hint_ RTC_GUARDED_BY(worker_thread_);
};
} // namespace webrtc
#endif // PC_VIDEO_TRACK_H_