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/*
* Copyright 2018 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 PC_TEST_FAKE_PERIODIC_VIDEO_SOURCE_H_
#define PC_TEST_FAKE_PERIODIC_VIDEO_SOURCE_H_
#include <cstdint>
#include <memory>
#include "api/sequence_checker.h"
#include "api/units/time_delta.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 "media/base/fake_frame_source.h"
#include "media/base/video_broadcaster.h"
#include "rtc_base/checks.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/task_queue_for_test.h"
#include "rtc_base/task_utils/repeating_task.h"
#include "rtc_base/thread_annotations.h"
#include "rtc_base/time_utils.h"
namespace webrtc {
class FakePeriodicVideoSource final : public VideoSourceInterface<VideoFrame> {
public:
static constexpr int kDefaultFrameIntervalMs = 33;
static constexpr int kDefaultWidth = 640;
static constexpr int kDefaultHeight = 480;
struct Config {
int width = kDefaultWidth;
int height = kDefaultHeight;
int frame_interval_ms = kDefaultFrameIntervalMs;
VideoRotation rotation = kVideoRotation_0;
int64_t timestamp_offset_ms = 0;
};
FakePeriodicVideoSource() : FakePeriodicVideoSource(Config()) {}
explicit FakePeriodicVideoSource(Config config)
: frame_source_(config.width,
config.height,
config.frame_interval_ms * kNumMicrosecsPerMillisec,
config.timestamp_offset_ms * kNumMicrosecsPerMillisec),
task_queue_(std::make_unique<TaskQueueForTest>(
"FakePeriodicVideoTrackSource")) {
frame_source_.SetRotation(config.rotation);
TimeDelta frame_interval = TimeDelta::Millis(config.frame_interval_ms);
repeating_task_handle_ =
RepeatingTaskHandle::Start(task_queue_->Get(), [this, frame_interval] {
if (broadcaster_.wants().rotation_applied) {
broadcaster_.OnFrame(frame_source_.GetFrameRotationApplied());
} else {
broadcaster_.OnFrame(frame_source_.GetFrame());
}
return frame_interval;
});
}
VideoSinkWants wants() const {
MutexLock lock(&mutex_);
return wants_;
}
void RemoveSink(VideoSinkInterface<VideoFrame>* sink) override {
RTC_DCHECK(thread_checker_.IsCurrent());
broadcaster_.RemoveSink(sink);
}
void AddOrUpdateSink(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants) override {
RTC_DCHECK(thread_checker_.IsCurrent());
{
MutexLock lock(&mutex_);
wants_ = wants;
}
broadcaster_.AddOrUpdateSink(sink, wants);
}
void Stop() {
RTC_DCHECK(task_queue_);
task_queue_->SendTask([&]() { repeating_task_handle_.Stop(); });
task_queue_.reset();
}
private:
SequenceChecker thread_checker_{SequenceChecker::kDetached};
VideoBroadcaster broadcaster_;
FakeFrameSource frame_source_;
mutable Mutex mutex_;
VideoSinkWants wants_ RTC_GUARDED_BY(&mutex_);
std::unique_ptr<TaskQueueForTest> task_queue_;
RepeatingTaskHandle repeating_task_handle_;
};
} // namespace webrtc
#endif // PC_TEST_FAKE_PERIODIC_VIDEO_SOURCE_H_
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