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/*
* Copyright (c) 2019 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 TEST_FRAME_FORWARDER_H_
#define TEST_FRAME_FORWARDER_H_
#include "api/video/video_frame.h"
#include "api/video/video_source_interface.h"
#include "rtc_base/synchronization/mutex.h"
namespace webrtc {
namespace test {
// FrameForwarder can be used as an implementation
// of webrtc::VideoSourceInterface<VideoFrame> where the caller controls when
// a frame should be forwarded to its sink.
// Currently this implementation only support one sink.
class FrameForwarder : public VideoSourceInterface<VideoFrame> {
public:
FrameForwarder();
~FrameForwarder() override;
// Forwards `video_frame` to the registered `sink_`.
virtual void IncomingCapturedFrame(const VideoFrame& video_frame)
RTC_LOCKS_EXCLUDED(mutex_);
VideoSinkWants sink_wants() const RTC_LOCKS_EXCLUDED(mutex_);
bool has_sinks() const RTC_LOCKS_EXCLUDED(mutex_);
protected:
VideoSinkWants sink_wants_locked() const RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
void AddOrUpdateSink(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants)
RTC_LOCKS_EXCLUDED(mutex_) override;
void AddOrUpdateSinkLocked(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants)
RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
void RemoveSink(VideoSinkInterface<VideoFrame>* sink)
RTC_LOCKS_EXCLUDED(mutex_) override;
mutable Mutex mutex_;
VideoSinkInterface<VideoFrame>* sink_ RTC_GUARDED_BY(mutex_);
VideoSinkWants sink_wants_ RTC_GUARDED_BY(mutex_);
};
} // namespace test
} // namespace webrtc
#endif // TEST_FRAME_FORWARDER_H_
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