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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_FRAME_GENERATOR_CAPTURER_H_
#define TEST_FRAME_GENERATOR_CAPTURER_H_
#include <cstddef>
#include <memory>
#include <optional>
#include "api/scoped_refptr.h"
#include "api/task_queue/task_queue_base.h"
#include "api/task_queue/task_queue_factory.h"
#include "api/test/frame_generator_interface.h"
#include "api/video/color_space.h"
#include "api/video/video_frame.h"
#include "api/video/video_frame_buffer.h"
#include "api/video/video_rotation.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/task_utils/repeating_task.h"
#include "rtc_base/thread_annotations.h"
#include "system_wrappers/include/clock.h"
#include "test/test_video_capturer.h"
namespace webrtc {
namespace test {
class FrameGeneratorCapturer : public TestVideoCapturer {
public:
class SinkWantsObserver {
public:
// OnSinkWantsChanged is called when FrameGeneratorCapturer::AddOrUpdateSink
// is called.
virtual void OnSinkWantsChanged(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants) = 0;
protected:
virtual ~SinkWantsObserver() {}
};
FrameGeneratorCapturer(
Clock* clock,
std::unique_ptr<FrameGeneratorInterface> frame_generator,
int target_fps,
TaskQueueFactory& task_queue_factory,
bool allow_zero_hertz = false);
virtual ~FrameGeneratorCapturer();
void Start() override;
void Stop() override;
void ChangeResolution(size_t width, size_t height);
void ChangeFramerate(int target_framerate);
int GetFrameWidth() const override;
int GetFrameHeight() const override;
struct Resolution {
int width;
int height;
};
std::optional<Resolution> GetResolution() const;
void OnOutputFormatRequest(int width,
int height,
const std::optional<int>& max_fps);
void SetSinkWantsObserver(SinkWantsObserver* observer);
void AddOrUpdateSink(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants) override;
void RemoveSink(VideoSinkInterface<VideoFrame>* sink) override;
void RequestRefreshFrame() override;
void ForceFrame();
void SetFakeRotation(VideoRotation rotation);
void SetFakeColorSpace(std::optional<ColorSpace> color_space);
bool Init();
private:
void InsertFrame();
static bool Run(void* obj);
int GetCurrentConfiguredFramerate();
Clock* const clock_;
RepeatingTaskHandle frame_task_;
bool sending_ RTC_GUARDED_BY(&lock_);
SinkWantsObserver* sink_wants_observer_ RTC_GUARDED_BY(&lock_);
Mutex lock_;
std::unique_ptr<FrameGeneratorInterface> frame_generator_;
scoped_refptr<VideoFrameBuffer> last_frame_captured_;
int source_fps_ RTC_GUARDED_BY(&lock_);
int target_capture_fps_ RTC_GUARDED_BY(&lock_);
VideoRotation fake_rotation_ = kVideoRotation_0;
std::optional<ColorSpace> fake_color_space_ RTC_GUARDED_BY(&lock_);
bool allow_zero_hertz_ = false;
int number_of_frames_skipped_ = 0;
std::unique_ptr<TaskQueueBase, TaskQueueDeleter> task_queue_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_FRAME_GENERATOR_CAPTURER_H_
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