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/*
* Copyright (c) 2013 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_TEST_VIDEO_CAPTURER_H_
#define TEST_TEST_VIDEO_CAPTURER_H_
#include <memory>
#include <optional>
#include <utility>
#include "api/video/video_frame.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "media/base/video_adapter.h"
#include "media/base/video_broadcaster.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/thread_annotations.h"
namespace webrtc {
namespace test {
class TestVideoCapturer : public VideoSourceInterface<VideoFrame> {
public:
class FramePreprocessor {
public:
virtual ~FramePreprocessor() = default;
virtual VideoFrame Preprocess(const VideoFrame& frame) = 0;
};
~TestVideoCapturer() override;
void AddOrUpdateSink(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants) override;
void RemoveSink(VideoSinkInterface<VideoFrame>* sink) override;
void SetFramePreprocessor(std::unique_ptr<FramePreprocessor> preprocessor) {
MutexLock lock(&lock_);
preprocessor_ = std::move(preprocessor);
}
void SetEnableAdaptation(bool enable_adaptation) {
MutexLock lock(&lock_);
enable_adaptation_ = enable_adaptation;
}
void OnOutputFormatRequest(int width,
int height,
const std::optional<int>& max_fps);
// Starts or resumes video capturing. Can be called multiple times during
// lifetime of this object.
virtual void Start() = 0;
// Stops or pauses video capturing. Can be called multiple times during
// lifetime of this object.
virtual void Stop() = 0;
virtual int GetFrameWidth() const = 0;
virtual int GetFrameHeight() const = 0;
protected:
void OnFrame(const VideoFrame& frame);
VideoSinkWants GetSinkWants();
private:
void UpdateVideoAdapter();
VideoFrame MaybePreprocess(const VideoFrame& frame);
Mutex lock_;
std::unique_ptr<FramePreprocessor> preprocessor_ RTC_GUARDED_BY(lock_);
bool enable_adaptation_ RTC_GUARDED_BY(lock_) = true;
VideoBroadcaster broadcaster_;
VideoAdapter video_adapter_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_TEST_VIDEO_CAPTURER_H_
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