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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 WEBRTC_TEST_FRAME_GENERATOR_CAPTURER_H_
#define WEBRTC_TEST_FRAME_GENERATOR_CAPTURER_H_
#include <memory>
#include <string>
#include "webrtc/api/video/video_frame.h"
#include "webrtc/rtc_base/criticalsection.h"
#include "webrtc/rtc_base/task_queue.h"
#include "webrtc/test/video_capturer.h"
#include "webrtc/typedefs.h"
namespace webrtc {
class EventTimerWrapper;
namespace test {
class FrameGenerator;
class FrameGeneratorCapturer : public VideoCapturer {
public:
class SinkWantsObserver {
public:
// OnSinkWantsChanged is called when FrameGeneratorCapturer::AddOrUpdateSink
// is called.
virtual void OnSinkWantsChanged(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) = 0;
protected:
virtual ~SinkWantsObserver() {}
};
static FrameGeneratorCapturer* Create(int width,
int height,
int target_fps,
Clock* clock);
static FrameGeneratorCapturer* CreateFromYuvFile(const std::string& file_name,
size_t width,
size_t height,
int target_fps,
Clock* clock);
virtual ~FrameGeneratorCapturer();
void Start() override;
void Stop() override;
void ChangeResolution(size_t width, size_t height);
void SetSinkWantsObserver(SinkWantsObserver* observer);
void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override;
void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override;
void ForceFrame();
void SetFakeRotation(VideoRotation rotation);
int64_t first_frame_capture_time() const { return first_frame_capture_time_; }
FrameGeneratorCapturer(Clock* clock,
std::unique_ptr<FrameGenerator> frame_generator,
int target_fps);
bool Init();
private:
class InsertFrameTask;
void InsertFrame();
static bool Run(void* obj);
int GetCurrentConfiguredFramerate();
Clock* const clock_;
bool sending_;
rtc::VideoSinkInterface<VideoFrame>* sink_ GUARDED_BY(&lock_);
SinkWantsObserver* sink_wants_observer_ GUARDED_BY(&lock_);
rtc::CriticalSection lock_;
std::unique_ptr<FrameGenerator> frame_generator_;
int target_fps_ GUARDED_BY(&lock_);
rtc::Optional<int> wanted_fps_ GUARDED_BY(&lock_);
VideoRotation fake_rotation_ = kVideoRotation_0;
int64_t first_frame_capture_time_;
// Must be the last field, so it will be deconstructed first as tasks
// in the TaskQueue access other fields of the instance of this class.
rtc::TaskQueue task_queue_;
};
} // namespace test
} // namespace webrtc
#endif // WEBRTC_TEST_FRAME_GENERATOR_CAPTURER_H_