fe328ca88a
Minor related updates to AudioTrack and VideoTrack's sequence checkers. There's more that can be done (or arguably needs to), but this is a start. Bug: none Change-Id: I3ccf8eb9bbb6bef62b83248a23a68871b9fcd9e1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/251843 Reviewed-by: Niels Moller <nisse@webrtc.org> Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36021}
76 lines
2.7 KiB
C++
76 lines
2.7 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/system/no_unique_address.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(&signaling_thread_);
|
|
// Cached `enabled` state for the worker thread. This is kept in sync with
|
|
// the state maintained on the signaling thread via set_enabled() but can
|
|
// be queried without blocking on the worker thread by callers that don't
|
|
// use an api proxy to call the `enabled()` method.
|
|
bool enabled_w_ RTC_GUARDED_BY(worker_thread_) = true;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // PC_VIDEO_TRACK_H_
|