74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/*
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* Copyright 2016 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_SOURCE_H_
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#define PC_VIDEO_TRACK_SOURCE_H_
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#include "absl/types/optional.h"
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#include "api/media_stream_interface.h"
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#include "api/notifier.h"
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#include "api/sequence_checker.h"
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#include "api/video/recordable_encoded_frame.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/media_channel.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/system/no_unique_address.h"
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#include "rtc_base/system/rtc_export.h"
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#include "rtc_base/thread_annotations.h"
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namespace webrtc {
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// VideoTrackSource is a convenience base class for implementations of
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// VideoTrackSourceInterface.
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class RTC_EXPORT VideoTrackSource : public Notifier<VideoTrackSourceInterface> {
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public:
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explicit VideoTrackSource(bool remote);
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void SetState(SourceState new_state);
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SourceState state() const override {
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RTC_DCHECK_RUN_ON(&signaling_thread_checker_);
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return state_;
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}
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bool remote() const override { return remote_; }
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bool is_screencast() const override { return false; }
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absl::optional<bool> needs_denoising() const override {
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return absl::nullopt;
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}
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bool GetStats(Stats* stats) override { return false; }
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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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bool SupportsEncodedOutput() const override { return false; }
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void GenerateKeyFrame() override {}
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void AddEncodedSink(
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rtc::VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
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void RemoveEncodedSink(
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rtc::VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
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protected:
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virtual rtc::VideoSourceInterface<VideoFrame>* source() = 0;
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private:
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RTC_NO_UNIQUE_ADDRESS SequenceChecker worker_thread_checker_;
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RTC_NO_UNIQUE_ADDRESS SequenceChecker signaling_thread_checker_;
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SourceState state_ RTC_GUARDED_BY(&signaling_thread_checker_);
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const bool remote_;
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};
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} // namespace webrtc
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#endif // PC_VIDEO_TRACK_SOURCE_H_
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