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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_FRAME_GENERATOR_CAPTURER_VIDEO_TRACK_SOURCE_H_
#define PC_TEST_FRAME_GENERATOR_CAPTURER_VIDEO_TRACK_SOURCE_H_
#include <memory>
#include <utility>
#include "absl/memory/memory.h"
#include "api/task_queue/default_task_queue_factory.h"
#include "api/task_queue/task_queue_factory.h"
#include "pc/video_track_source.h"
#include "test/frame_generator_capturer.h"
namespace webrtc {
// Implements a VideoTrackSourceInterface to be used for creating VideoTracks.
// The video source is generated using a FrameGeneratorCapturer, specifically
// a SquareGenerator that generates frames with randomly sized and colored
// squares.
class FrameGeneratorCapturerVideoTrackSource : public VideoTrackSource {
public:
static const int kDefaultFramesPerSecond = 30;
static const int kDefaultWidth = 640;
static const int kDefaultHeight = 480;
static const int kNumSquaresGenerated = 50;
struct Config {
int frames_per_second = kDefaultFramesPerSecond;
int width = kDefaultWidth;
int height = kDefaultHeight;
int num_squares_generated = 50;
};
FrameGeneratorCapturerVideoTrackSource(Config config,
Clock* clock,
bool is_screencast)
: VideoTrackSource(false /* remote */),
task_queue_factory_(CreateDefaultTaskQueueFactory()),
is_screencast_(is_screencast) {
video_capturer_ = absl::make_unique<test::FrameGeneratorCapturer>(
clock,
test::FrameGenerator::CreateSquareGenerator(
config.width, config.height, absl::nullopt,
config.num_squares_generated),
config.frames_per_second, *task_queue_factory_);
video_capturer_->Init();
}
FrameGeneratorCapturerVideoTrackSource(
std::unique_ptr<test::FrameGeneratorCapturer> video_capturer,
bool is_screencast)
: VideoTrackSource(false /* remote */),
video_capturer_(std::move(video_capturer)),
is_screencast_(is_screencast) {}
~FrameGeneratorCapturerVideoTrackSource() = default;
void Start() {
SetState(kLive);
}
void Stop() {
SetState(kMuted);
}
bool is_screencast() const override { return is_screencast_; }
protected:
rtc::VideoSourceInterface<VideoFrame>* source() override {
return video_capturer_.get();
}
private:
const std::unique_ptr<TaskQueueFactory> task_queue_factory_;
std::unique_ptr<test::FrameGeneratorCapturer> video_capturer_;
const bool is_screencast_;
};
} // namespace webrtc
#endif // PC_TEST_FRAME_GENERATOR_CAPTURER_VIDEO_TRACK_SOURCE_H_