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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 <cstdint>
#include <memory>
#include "absl/types/optional.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_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_queue.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(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) = 0;
protected:
virtual ~SinkWantsObserver() {}
};
FrameGeneratorCapturer(
Clock* clock,
std::unique_ptr<FrameGeneratorInterface> frame_generator,
int target_fps,
TaskQueueFactory& task_queue_factory);
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;
};
absl::optional<Resolution> GetResolution() const;
void OnOutputFormatRequest(int width,
int height,
const absl::optional<int>& max_fps);
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);
void SetFakeColorSpace(absl::optional<ColorSpace> color_space);
int64_t first_frame_capture_time() const { return first_frame_capture_time_; }
bool Init();
private:
void InsertFrame();
static bool Run(void* obj);
int GetCurrentConfiguredFramerate();
void UpdateFps(int max_fps) RTC_EXCLUSIVE_LOCKS_REQUIRED(&lock_);
Clock* const clock_;
RepeatingTaskHandle frame_task_;
bool sending_;
SinkWantsObserver* sink_wants_observer_ RTC_GUARDED_BY(&lock_);
Mutex lock_;
std::unique_ptr<FrameGeneratorInterface> frame_generator_;
int source_fps_ RTC_GUARDED_BY(&lock_);
int target_capture_fps_ RTC_GUARDED_BY(&lock_);
absl::optional<int> wanted_fps_ RTC_GUARDED_BY(&lock_);
VideoRotation fake_rotation_ = kVideoRotation_0;
absl::optional<ColorSpace> fake_color_space_ RTC_GUARDED_BY(&lock_);
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 // TEST_FRAME_GENERATOR_CAPTURER_H_
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