539d104e3e
Reason for revert:
It breaks a downstream project.
Original issue's description:
> Change VideoTrack implementation to invoke VideoTrackSourceInterface::AddOrUpdateSink on the worker thread.
>
> Added documentation of thread expectations for video tracks and sources to the API.
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> BUG=None
>
> Review-Url: https://codereview.webrtc.org/2964863002
> Cr-Commit-Position: refs/heads/master@{#18938}
> Committed: f1377f7222
TBR=deadbeef@webrtc.org,noahric@chromium.org,yujo@chromium.org,perkj@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=None
Review-Url: https://codereview.webrtc.org/2979493003
Cr-Commit-Position: refs/heads/master@{#18942}
61 lines
1.9 KiB
C++
61 lines
1.9 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 WEBRTC_PC_VIDEOTRACK_H_
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#define WEBRTC_PC_VIDEOTRACK_H_
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#include <string>
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#include <vector>
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#include "webrtc/media/base/videosourcebase.h"
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#include "webrtc/pc/mediastreamtrack.h"
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#include "webrtc/rtc_base/scoped_ref_ptr.h"
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#include "webrtc/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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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, VideoTrackSourceInterface* video_source);
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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::ThreadChecker signaling_thread_checker_;
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rtc::ThreadChecker worker_thread_checker_;
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rtc::scoped_refptr<VideoTrackSourceInterface> video_source_;
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ContentHint content_hint_ GUARDED_BY(signaling_thread_checker_);
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};
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} // namespace webrtc
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#endif // WEBRTC_PC_VIDEOTRACK_H_
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