321 lines
13 KiB
C
321 lines
13 KiB
C
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/*
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* Copyright 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VIDEO_VIDEO_ANALYZER_H_
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#define VIDEO_VIDEO_ANALYZER_H_
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#include <deque>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "api/task_queue/task_queue_base.h"
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#include "api/video/video_source_interface.h"
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#include "modules/rtp_rtcp/source/rtp_packet.h"
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#include "modules/rtp_rtcp/source/video_rtp_depacketizer.h"
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#include "rtc_base/event.h"
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#include "rtc_base/numerics/running_statistics.h"
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#include "rtc_base/platform_thread.h"
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#include "rtc_base/synchronization/mutex.h"
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#include "rtc_base/time_utils.h"
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#include "test/layer_filtering_transport.h"
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#include "test/rtp_file_writer.h"
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#include "test/testsupport/perf_test.h"
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namespace webrtc {
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class VideoAnalyzer : public PacketReceiver,
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public Transport,
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public rtc::VideoSinkInterface<VideoFrame> {
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public:
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using Statistics = RunningStatistics<double>;
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VideoAnalyzer(test::LayerFilteringTransport* transport,
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const std::string& test_label,
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double avg_psnr_threshold,
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double avg_ssim_threshold,
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int duration_frames,
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TimeDelta test_duration,
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FILE* graph_data_output_file,
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const std::string& graph_title,
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uint32_t ssrc_to_analyze,
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uint32_t rtx_ssrc_to_analyze,
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size_t selected_stream,
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int selected_sl,
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int selected_tl,
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bool is_quick_test_enabled,
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Clock* clock,
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std::string rtp_dump_name,
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TaskQueueBase* task_queue);
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~VideoAnalyzer();
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virtual void SetReceiver(PacketReceiver* receiver);
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void SetSource(rtc::VideoSourceInterface<VideoFrame>* video_source,
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bool respect_sink_wants);
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void SetCall(Call* call);
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void SetSendStream(VideoSendStream* stream);
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void SetReceiveStream(VideoReceiveStream* stream);
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void SetAudioReceiveStream(AudioReceiveStream* recv_stream);
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rtc::VideoSinkInterface<VideoFrame>* InputInterface();
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rtc::VideoSourceInterface<VideoFrame>* OutputInterface();
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DeliveryStatus DeliverPacket(MediaType media_type,
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rtc::CopyOnWriteBuffer packet,
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int64_t packet_time_us) override;
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void PreEncodeOnFrame(const VideoFrame& video_frame);
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void PostEncodeOnFrame(size_t stream_id, uint32_t timestamp);
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bool SendRtp(const uint8_t* packet,
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size_t length,
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const PacketOptions& options) override;
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bool SendRtcp(const uint8_t* packet, size_t length) override;
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void OnFrame(const VideoFrame& video_frame) override;
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void Wait();
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void StartMeasuringCpuProcessTime();
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void StopMeasuringCpuProcessTime();
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void StartExcludingCpuThreadTime() RTC_LOCKS_EXCLUDED(cpu_measurement_lock_);
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void StopExcludingCpuThreadTime() RTC_LOCKS_EXCLUDED(cpu_measurement_lock_);
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double GetCpuUsagePercent() RTC_LOCKS_EXCLUDED(cpu_measurement_lock_);
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test::LayerFilteringTransport* const transport_;
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PacketReceiver* receiver_;
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private:
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struct FrameComparison {
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FrameComparison();
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FrameComparison(const VideoFrame& reference,
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const VideoFrame& render,
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bool dropped,
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int64_t input_time_ms,
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int64_t send_time_ms,
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int64_t recv_time_ms,
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int64_t render_time_ms,
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size_t encoded_frame_size);
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FrameComparison(bool dropped,
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int64_t input_time_ms,
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int64_t send_time_ms,
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int64_t recv_time_ms,
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int64_t render_time_ms,
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size_t encoded_frame_size);
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absl::optional<VideoFrame> reference;
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absl::optional<VideoFrame> render;
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bool dropped;
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int64_t input_time_ms;
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int64_t send_time_ms;
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int64_t recv_time_ms;
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int64_t render_time_ms;
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size_t encoded_frame_size;
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};
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struct Sample {
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Sample(int dropped,
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int64_t input_time_ms,
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int64_t send_time_ms,
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int64_t recv_time_ms,
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int64_t render_time_ms,
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size_t encoded_frame_size,
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double psnr,
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double ssim);
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int dropped;
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int64_t input_time_ms;
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int64_t send_time_ms;
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int64_t recv_time_ms;
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int64_t render_time_ms;
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size_t encoded_frame_size;
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double psnr;
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double ssim;
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};
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// Implements VideoSinkInterface to receive captured frames from a
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// FrameGeneratorCapturer. Implements VideoSourceInterface to be able to act
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// as a source to VideoSendStream.
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// It forwards all input frames to the VideoAnalyzer for later comparison and
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// forwards the captured frames to the VideoSendStream.
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class CapturedFrameForwarder : public rtc::VideoSinkInterface<VideoFrame>,
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public rtc::VideoSourceInterface<VideoFrame> {
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public:
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CapturedFrameForwarder(VideoAnalyzer* analyzer,
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Clock* clock,
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int frames_to_capture,
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TimeDelta test_duration);
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void SetSource(rtc::VideoSourceInterface<VideoFrame>* video_source);
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private:
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void OnFrame(const VideoFrame& video_frame)
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RTC_LOCKS_EXCLUDED(lock_) override;
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// Called when |send_stream_.SetSource()| is called.
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void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
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const rtc::VideoSinkWants& wants)
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RTC_LOCKS_EXCLUDED(lock_) override;
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// Called by |send_stream_| when |send_stream_.SetSource()| is called.
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void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink)
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RTC_LOCKS_EXCLUDED(lock_) override;
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VideoAnalyzer* const analyzer_;
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Mutex lock_;
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rtc::VideoSinkInterface<VideoFrame>* send_stream_input_
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RTC_GUARDED_BY(lock_);
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VideoSourceInterface<VideoFrame>* video_source_;
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Clock* clock_;
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int captured_frames_ RTC_GUARDED_BY(lock_);
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const int frames_to_capture_;
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const Timestamp test_end_;
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};
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struct FrameWithPsnr {
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double psnr;
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VideoFrame frame;
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};
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bool IsInSelectedSpatialAndTemporalLayer(const RtpPacket& rtp_packet);
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void AddFrameComparison(const VideoFrame& reference,
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const VideoFrame& render,
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bool dropped,
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int64_t render_time_ms)
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RTC_EXCLUSIVE_LOCKS_REQUIRED(lock_);
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void PollStats() RTC_LOCKS_EXCLUDED(comparison_lock_);
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static void FrameComparisonThread(void* obj);
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bool CompareFrames();
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bool PopComparison(FrameComparison* comparison);
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// Increment counter for number of frames received for comparison.
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void FrameRecorded() RTC_EXCLUSIVE_LOCKS_REQUIRED(comparison_lock_);
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// Returns true if all frames to be compared have been taken from the queue.
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bool AllFramesRecorded() RTC_LOCKS_EXCLUDED(comparison_lock_);
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bool AllFramesRecordedLocked() RTC_EXCLUSIVE_LOCKS_REQUIRED(comparison_lock_);
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// Increase count of number of frames processed. Returns true if this was the
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// last frame to be processed.
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bool FrameProcessed() RTC_LOCKS_EXCLUDED(comparison_lock_);
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void PrintResults() RTC_LOCKS_EXCLUDED(lock_, comparison_lock_);
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void PerformFrameComparison(const FrameComparison& comparison)
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RTC_LOCKS_EXCLUDED(comparison_lock_);
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void PrintResult(const char* result_type,
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Statistics stats,
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const char* unit,
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webrtc::test::ImproveDirection improve_direction);
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void PrintResultWithExternalMean(
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const char* result_type,
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double mean,
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Statistics stats,
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const char* unit,
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webrtc::test::ImproveDirection improve_direction);
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void PrintSamplesToFile(void) RTC_LOCKS_EXCLUDED(comparison_lock_);
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void AddCapturedFrameForComparison(const VideoFrame& video_frame)
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RTC_LOCKS_EXCLUDED(lock_, comparison_lock_);
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Call* call_;
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VideoSendStream* send_stream_;
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VideoReceiveStream* receive_stream_;
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AudioReceiveStream* audio_receive_stream_;
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CapturedFrameForwarder captured_frame_forwarder_;
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const std::string test_label_;
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FILE* const graph_data_output_file_;
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const std::string graph_title_;
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const uint32_t ssrc_to_analyze_;
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const uint32_t rtx_ssrc_to_analyze_;
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const size_t selected_stream_;
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const int selected_sl_;
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const int selected_tl_;
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Mutex comparison_lock_;
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std::vector<Sample> samples_ RTC_GUARDED_BY(comparison_lock_);
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Statistics sender_time_ RTC_GUARDED_BY(comparison_lock_);
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Statistics receiver_time_ RTC_GUARDED_BY(comparison_lock_);
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Statistics network_time_ RTC_GUARDED_BY(comparison_lock_);
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Statistics psnr_ RTC_GUARDED_BY(comparison_lock_);
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Statistics ssim_ RTC_GUARDED_BY(comparison_lock_);
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Statistics end_to_end_ RTC_GUARDED_BY(comparison_lock_);
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Statistics rendered_delta_ RTC_GUARDED_BY(comparison_lock_);
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Statistics encoded_frame_size_ RTC_GUARDED_BY(comparison_lock_);
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Statistics encode_frame_rate_ RTC_GUARDED_BY(comparison_lock_);
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Statistics encode_time_ms_ RTC_GUARDED_BY(comparison_lock_);
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Statistics encode_usage_percent_ RTC_GUARDED_BY(comparison_lock_);
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double mean_decode_time_ms_ RTC_GUARDED_BY(comparison_lock_);
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Statistics decode_time_ms_ RTC_GUARDED_BY(comparison_lock_);
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Statistics decode_time_max_ms_ RTC_GUARDED_BY(comparison_lock_);
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Statistics media_bitrate_bps_ RTC_GUARDED_BY(comparison_lock_);
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Statistics fec_bitrate_bps_ RTC_GUARDED_BY(comparison_lock_);
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Statistics send_bandwidth_bps_ RTC_GUARDED_BY(comparison_lock_);
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Statistics memory_usage_ RTC_GUARDED_BY(comparison_lock_);
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Statistics audio_expand_rate_ RTC_GUARDED_BY(comparison_lock_);
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Statistics audio_accelerate_rate_ RTC_GUARDED_BY(comparison_lock_);
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Statistics audio_jitter_buffer_ms_ RTC_GUARDED_BY(comparison_lock_);
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Statistics pixels_ RTC_GUARDED_BY(comparison_lock_);
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// Rendered frame with worst PSNR is saved for further analysis.
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absl::optional<FrameWithPsnr> worst_frame_ RTC_GUARDED_BY(comparison_lock_);
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// Freeze metrics.
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Statistics time_between_freezes_ RTC_GUARDED_BY(comparison_lock_);
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uint32_t freeze_count_ RTC_GUARDED_BY(comparison_lock_);
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uint32_t total_freezes_duration_ms_ RTC_GUARDED_BY(comparison_lock_);
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uint32_t total_frames_duration_ms_ RTC_GUARDED_BY(comparison_lock_);
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double sum_squared_frame_durations_ RTC_GUARDED_BY(comparison_lock_);
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double decode_frame_rate_ RTC_GUARDED_BY(comparison_lock_);
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double render_frame_rate_ RTC_GUARDED_BY(comparison_lock_);
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size_t last_fec_bytes_;
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Mutex lock_ RTC_ACQUIRED_BEFORE(comparison_lock_)
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RTC_ACQUIRED_BEFORE(cpu_measurement_lock_);
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const int frames_to_process_;
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const Timestamp test_end_;
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int frames_recorded_ RTC_GUARDED_BY(comparison_lock_);
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int frames_processed_ RTC_GUARDED_BY(comparison_lock_);
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int captured_frames_ RTC_GUARDED_BY(comparison_lock_);
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int dropped_frames_ RTC_GUARDED_BY(comparison_lock_);
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int dropped_frames_before_first_encode_ RTC_GUARDED_BY(lock_);
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int dropped_frames_before_rendering_ RTC_GUARDED_BY(lock_);
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int64_t last_render_time_ RTC_GUARDED_BY(comparison_lock_);
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int64_t last_render_delta_ms_ RTC_GUARDED_BY(comparison_lock_);
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int64_t last_unfreeze_time_ms_ RTC_GUARDED_BY(comparison_lock_);
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uint32_t rtp_timestamp_delta_ RTC_GUARDED_BY(lock_);
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Mutex cpu_measurement_lock_;
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int64_t cpu_time_ RTC_GUARDED_BY(cpu_measurement_lock_);
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int64_t wallclock_time_ RTC_GUARDED_BY(cpu_measurement_lock_);
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std::deque<VideoFrame> frames_ RTC_GUARDED_BY(lock_);
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absl::optional<VideoFrame> last_rendered_frame_ RTC_GUARDED_BY(lock_);
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rtc::TimestampWrapAroundHandler wrap_handler_ RTC_GUARDED_BY(lock_);
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std::map<int64_t, int64_t> send_times_ RTC_GUARDED_BY(lock_);
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std::map<int64_t, int64_t> recv_times_ RTC_GUARDED_BY(lock_);
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std::map<int64_t, size_t> encoded_frame_sizes_ RTC_GUARDED_BY(lock_);
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absl::optional<uint32_t> first_encoded_timestamp_ RTC_GUARDED_BY(lock_);
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absl::optional<uint32_t> first_sent_timestamp_ RTC_GUARDED_BY(lock_);
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const double avg_psnr_threshold_;
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const double avg_ssim_threshold_;
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bool is_quick_test_enabled_;
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std::vector<rtc::PlatformThread*> comparison_thread_pool_;
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rtc::Event comparison_available_event_;
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std::deque<FrameComparison> comparisons_ RTC_GUARDED_BY(comparison_lock_);
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bool quit_ RTC_GUARDED_BY(comparison_lock_);
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rtc::Event done_;
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std::unique_ptr<VideoRtpDepacketizer> vp8_depacketizer_;
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std::unique_ptr<VideoRtpDepacketizer> vp9_depacketizer_;
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std::unique_ptr<test::RtpFileWriter> rtp_file_writer_;
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Clock* const clock_;
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const int64_t start_ms_;
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TaskQueueBase* task_queue_;
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};
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} // namespace webrtc
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#endif // VIDEO_VIDEO_ANALYZER_H_
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