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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 TEST_SCENARIO_VIDEO_FRAME_MATCHER_H_
#define TEST_SCENARIO_VIDEO_FRAME_MATCHER_H_
#include <deque>
#include <map>
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "api/units/timestamp.h"
#include "api/video/video_frame.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "rtc_base/ref_counted_object.h"
#include "rtc_base/task_queue_for_test.h"
#include "system_wrappers/include/clock.h"
#include "test/scenario/performance_stats.h"
namespace webrtc {
namespace test {
class VideoFrameMatcher {
public:
explicit VideoFrameMatcher(
std::vector<std::function<void(const VideoFramePair&)>>
frame_pair_handlers);
~VideoFrameMatcher();
void RegisterLayer(int layer_id);
void OnCapturedFrame(const VideoFrame& frame, Timestamp at_time);
void OnDecodedFrame(const VideoFrame& frame,
int layer_id,
Timestamp render_time,
Timestamp at_time);
bool Active() const;
private:
struct DecodedFrameBase {
int id;
Timestamp decoded_time = Timestamp::PlusInfinity();
Timestamp render_time = Timestamp::PlusInfinity();
scoped_refptr<VideoFrameBuffer> frame;
scoped_refptr<VideoFrameBuffer> thumb;
int repeat_count = 0;
};
using DecodedFrame = FinalRefCountedObject<DecodedFrameBase>;
struct CapturedFrame {
int id;
Timestamp capture_time = Timestamp::PlusInfinity();
scoped_refptr<VideoFrameBuffer> frame;
scoped_refptr<VideoFrameBuffer> thumb;
double best_score = INFINITY;
scoped_refptr<DecodedFrame> best_decode;
bool matched = false;
};
struct VideoLayer {
int layer_id;
std::deque<CapturedFrame> captured_frames;
scoped_refptr<DecodedFrame> last_decode;
int next_decoded_id = 1;
};
void HandleMatch(CapturedFrame captured, int layer_id);
void Finalize();
int next_capture_id_ = 1;
std::vector<std::function<void(const VideoFramePair&)>> frame_pair_handlers_;
std::map<int, VideoLayer> layers_;
TaskQueueForTest task_queue_;
};
class CapturedFrameTap : public VideoSinkInterface<VideoFrame> {
public:
CapturedFrameTap(Clock* clock, VideoFrameMatcher* matcher);
CapturedFrameTap(CapturedFrameTap&) = delete;
CapturedFrameTap& operator=(CapturedFrameTap&) = delete;
void OnFrame(const VideoFrame& frame) override;
void OnDiscardedFrame() override;
private:
Clock* const clock_;
VideoFrameMatcher* const matcher_;
int discarded_count_ = 0;
};
class ForwardingCapturedFrameTap : public VideoSinkInterface<VideoFrame>,
public VideoSourceInterface<VideoFrame> {
public:
ForwardingCapturedFrameTap(Clock* clock,
VideoFrameMatcher* matcher,
VideoSourceInterface<VideoFrame>* source);
ForwardingCapturedFrameTap(ForwardingCapturedFrameTap&) = delete;
ForwardingCapturedFrameTap& operator=(ForwardingCapturedFrameTap&) = delete;
// VideoSinkInterface interface
void OnFrame(const VideoFrame& frame) override;
void OnDiscardedFrame() override;
// VideoSourceInterface interface
void AddOrUpdateSink(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants) override;
void RemoveSink(VideoSinkInterface<VideoFrame>* sink) override;
private:
Clock* const clock_;
VideoFrameMatcher* const matcher_;
VideoSourceInterface<VideoFrame>* const source_;
VideoSinkInterface<VideoFrame>* sink_ = nullptr;
int discarded_count_ = 0;
};
class DecodedFrameTap : public VideoSinkInterface<VideoFrame> {
public:
DecodedFrameTap(Clock* clock, VideoFrameMatcher* matcher, int layer_id);
// VideoSinkInterface interface
void OnFrame(const VideoFrame& frame) override;
private:
Clock* const clock_;
VideoFrameMatcher* const matcher_;
int layer_id_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_SCENARIO_VIDEO_FRAME_MATCHER_H_
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