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Diffstat (limited to 'third_party/libwebrtc/video/video_analyzer.h')
| -rw-r--r-- | third_party/libwebrtc/video/video_analyzer.h | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/third_party/libwebrtc/video/video_analyzer.h b/third_party/libwebrtc/video/video_analyzer.h new file mode 100644 index 0000000000..8c8100c67e --- /dev/null +++ b/third_party/libwebrtc/video/video_analyzer.h @@ -0,0 +1,321 @@ +/* + * 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 VIDEO_VIDEO_ANALYZER_H_ +#define VIDEO_VIDEO_ANALYZER_H_ + +#include <deque> +#include <map> +#include <memory> +#include <string> +#include <vector> + +#include "absl/strings/string_view.h" +#include "api/numerics/samples_stats_counter.h" +#include "api/task_queue/task_queue_base.h" +#include "api/test/metrics/metric.h" +#include "api/video/video_source_interface.h" +#include "modules/rtp_rtcp/source/rtp_packet.h" +#include "modules/rtp_rtcp/source/video_rtp_depacketizer.h" +#include "rtc_base/event.h" +#include "rtc_base/numerics/running_statistics.h" +#include "rtc_base/numerics/sequence_number_unwrapper.h" +#include "rtc_base/platform_thread.h" +#include "rtc_base/synchronization/mutex.h" +#include "test/layer_filtering_transport.h" +#include "test/rtp_file_writer.h" + +namespace webrtc { + +class VideoAnalyzer : public PacketReceiver, + public Transport, + public rtc::VideoSinkInterface<VideoFrame> { + public: + VideoAnalyzer(test::LayerFilteringTransport* transport, + const std::string& test_label, + double avg_psnr_threshold, + double avg_ssim_threshold, + int duration_frames, + TimeDelta test_duration, + FILE* graph_data_output_file, + const std::string& graph_title, + uint32_t ssrc_to_analyze, + uint32_t rtx_ssrc_to_analyze, + size_t selected_stream, + int selected_sl, + int selected_tl, + bool is_quick_test_enabled, + Clock* clock, + std::string rtp_dump_name, + TaskQueueBase* task_queue); + ~VideoAnalyzer(); + + virtual void SetReceiver(PacketReceiver* receiver); + void SetSource(rtc::VideoSourceInterface<VideoFrame>* video_source, + bool respect_sink_wants); + void SetCall(Call* call); + void SetSendStream(VideoSendStream* stream); + void SetReceiveStream(VideoReceiveStreamInterface* stream); + void SetAudioReceiveStream(AudioReceiveStreamInterface* recv_stream); + + rtc::VideoSinkInterface<VideoFrame>* InputInterface(); + rtc::VideoSourceInterface<VideoFrame>* OutputInterface(); + + void DeliverRtcpPacket(rtc::CopyOnWriteBuffer packet) override; + void DeliverRtpPacket(MediaType media_type, + RtpPacketReceived packet, + PacketReceiver::OnUndemuxablePacketHandler + undemuxable_packet_handler) override; + + void PreEncodeOnFrame(const VideoFrame& video_frame); + void PostEncodeOnFrame(size_t stream_id, uint32_t timestamp); + + bool SendRtp(rtc::ArrayView<const uint8_t> packet, + const PacketOptions& options) override; + + bool SendRtcp(rtc::ArrayView<const uint8_t> packet) override; + void OnFrame(const VideoFrame& video_frame) override; + void Wait(); + + void StartMeasuringCpuProcessTime(); + void StopMeasuringCpuProcessTime(); + void StartExcludingCpuThreadTime() RTC_LOCKS_EXCLUDED(cpu_measurement_lock_); + void StopExcludingCpuThreadTime() RTC_LOCKS_EXCLUDED(cpu_measurement_lock_); + double GetCpuUsagePercent() RTC_LOCKS_EXCLUDED(cpu_measurement_lock_); + + test::LayerFilteringTransport* const transport_; + PacketReceiver* receiver_; + + private: + struct FrameComparison { + FrameComparison(); + FrameComparison(const VideoFrame& reference, + const VideoFrame& render, + bool dropped, + int64_t input_time_ms, + int64_t send_time_ms, + int64_t recv_time_ms, + int64_t render_time_ms, + size_t encoded_frame_size); + FrameComparison(bool dropped, + int64_t input_time_ms, + int64_t send_time_ms, + int64_t recv_time_ms, + int64_t render_time_ms, + size_t encoded_frame_size); + + absl::optional<VideoFrame> reference; + absl::optional<VideoFrame> render; + bool dropped; + int64_t input_time_ms; + int64_t send_time_ms; + int64_t recv_time_ms; + int64_t render_time_ms; + size_t encoded_frame_size; + }; + + struct Sample { + Sample(int dropped, + int64_t input_time_ms, + int64_t send_time_ms, + int64_t recv_time_ms, + int64_t render_time_ms, + size_t encoded_frame_size, + double psnr, + double ssim); + + int dropped; + int64_t input_time_ms; + int64_t send_time_ms; + int64_t recv_time_ms; + int64_t render_time_ms; + size_t encoded_frame_size; + double psnr; + double ssim; + }; + + // Implements VideoSinkInterface to receive captured frames from a + // FrameGeneratorCapturer. Implements VideoSourceInterface to be able to act + // as a source to VideoSendStream. + // It forwards all input frames to the VideoAnalyzer for later comparison and + // forwards the captured frames to the VideoSendStream. + class CapturedFrameForwarder : public rtc::VideoSinkInterface<VideoFrame>, + public rtc::VideoSourceInterface<VideoFrame> { + public: + CapturedFrameForwarder(VideoAnalyzer* analyzer, + Clock* clock, + int frames_to_capture, + TimeDelta test_duration); + void SetSource(rtc::VideoSourceInterface<VideoFrame>* video_source); + + private: + void OnFrame(const VideoFrame& video_frame) + RTC_LOCKS_EXCLUDED(lock_) override; + + // Called when `send_stream_.SetSource()` is called. + void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink, + const rtc::VideoSinkWants& wants) + RTC_LOCKS_EXCLUDED(lock_) override; + + // Called by `send_stream_` when `send_stream_.SetSource()` is called. + void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) + RTC_LOCKS_EXCLUDED(lock_) override; + + VideoAnalyzer* const analyzer_; + Mutex lock_; + rtc::VideoSinkInterface<VideoFrame>* send_stream_input_ + RTC_GUARDED_BY(lock_); + VideoSourceInterface<VideoFrame>* video_source_; + Clock* clock_; + int captured_frames_ RTC_GUARDED_BY(lock_); + const int frames_to_capture_; + const Timestamp test_end_; + }; + + struct FrameWithPsnr { + double psnr; + VideoFrame frame; + }; + + bool IsInSelectedSpatialAndTemporalLayer(const RtpPacket& rtp_packet); + + void AddFrameComparison(const VideoFrame& reference, + const VideoFrame& render, + bool dropped, + int64_t render_time_ms) + RTC_EXCLUSIVE_LOCKS_REQUIRED(lock_); + + void PollStats() RTC_LOCKS_EXCLUDED(comparison_lock_); + static void FrameComparisonThread(void* obj); + bool CompareFrames(); + bool PopComparison(FrameComparison* comparison); + // Increment counter for number of frames received for comparison. + void FrameRecorded() RTC_EXCLUSIVE_LOCKS_REQUIRED(comparison_lock_); + // Returns true if all frames to be compared have been taken from the queue. + bool AllFramesRecorded() RTC_LOCKS_EXCLUDED(comparison_lock_); + bool AllFramesRecordedLocked() RTC_EXCLUSIVE_LOCKS_REQUIRED(comparison_lock_); + // Increase count of number of frames processed. Returns true if this was the + // last frame to be processed. + bool FrameProcessed() RTC_LOCKS_EXCLUDED(comparison_lock_); + void PrintResults() RTC_LOCKS_EXCLUDED(lock_, comparison_lock_); + void PerformFrameComparison(const FrameComparison& comparison) + RTC_LOCKS_EXCLUDED(comparison_lock_); + void PrintResult(absl::string_view result_type, + const SamplesStatsCounter& stats, + webrtc::test::Unit unit, + webrtc::test::ImprovementDirection improvement_direction); + void PrintResultWithExternalMean( + absl::string_view result_type, + double mean, + const SamplesStatsCounter& stats, + webrtc::test::Unit unit, + webrtc::test::ImprovementDirection improvement_direction); + void PrintSamplesToFile(void) RTC_LOCKS_EXCLUDED(comparison_lock_); + void AddCapturedFrameForComparison(const VideoFrame& video_frame) + RTC_LOCKS_EXCLUDED(lock_, comparison_lock_); + + Call* call_; + VideoSendStream* send_stream_; + VideoReceiveStreamInterface* receive_stream_; + AudioReceiveStreamInterface* audio_receive_stream_; + CapturedFrameForwarder captured_frame_forwarder_; + const std::string test_label_; + FILE* const graph_data_output_file_; + const std::string graph_title_; + const uint32_t ssrc_to_analyze_; + const uint32_t rtx_ssrc_to_analyze_; + const size_t selected_stream_; + const int selected_sl_; + const int selected_tl_; + + Mutex comparison_lock_; + std::vector<Sample> samples_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter sender_time_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter receiver_time_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter network_time_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter psnr_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter ssim_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter end_to_end_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter rendered_delta_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter encoded_frame_size_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter encode_frame_rate_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter encode_time_ms_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter encode_usage_percent_ RTC_GUARDED_BY(comparison_lock_); + double mean_decode_time_ms_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter decode_time_ms_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter decode_time_max_ms_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter media_bitrate_bps_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter fec_bitrate_bps_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter send_bandwidth_bps_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter memory_usage_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter audio_expand_rate_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter audio_accelerate_rate_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter audio_jitter_buffer_ms_ RTC_GUARDED_BY(comparison_lock_); + SamplesStatsCounter pixels_ RTC_GUARDED_BY(comparison_lock_); + // Rendered frame with worst PSNR is saved for further analysis. + absl::optional<FrameWithPsnr> worst_frame_ RTC_GUARDED_BY(comparison_lock_); + // Freeze metrics. + SamplesStatsCounter time_between_freezes_ RTC_GUARDED_BY(comparison_lock_); + uint32_t freeze_count_ RTC_GUARDED_BY(comparison_lock_); + uint32_t total_freezes_duration_ms_ RTC_GUARDED_BY(comparison_lock_); + double total_inter_frame_delay_ RTC_GUARDED_BY(comparison_lock_); + double total_squared_inter_frame_delay_ RTC_GUARDED_BY(comparison_lock_); + + double decode_frame_rate_ RTC_GUARDED_BY(comparison_lock_); + double render_frame_rate_ RTC_GUARDED_BY(comparison_lock_); + + size_t last_fec_bytes_; + + Mutex lock_ RTC_ACQUIRED_BEFORE(comparison_lock_) + RTC_ACQUIRED_BEFORE(cpu_measurement_lock_); + const int frames_to_process_; + const Timestamp test_end_; + int frames_recorded_ RTC_GUARDED_BY(comparison_lock_); + int frames_processed_ RTC_GUARDED_BY(comparison_lock_); + int captured_frames_ RTC_GUARDED_BY(comparison_lock_); + int dropped_frames_ RTC_GUARDED_BY(comparison_lock_); + int dropped_frames_before_first_encode_ RTC_GUARDED_BY(lock_); + int dropped_frames_before_rendering_ RTC_GUARDED_BY(lock_); + int64_t last_render_time_ RTC_GUARDED_BY(comparison_lock_); + int64_t last_render_delta_ms_ RTC_GUARDED_BY(comparison_lock_); + int64_t last_unfreeze_time_ms_ RTC_GUARDED_BY(comparison_lock_); + uint32_t rtp_timestamp_delta_ RTC_GUARDED_BY(lock_); + + Mutex cpu_measurement_lock_; + int64_t cpu_time_ RTC_GUARDED_BY(cpu_measurement_lock_); + int64_t wallclock_time_ RTC_GUARDED_BY(cpu_measurement_lock_); + + std::deque<VideoFrame> frames_ RTC_GUARDED_BY(lock_); + absl::optional<VideoFrame> last_rendered_frame_ RTC_GUARDED_BY(lock_); + RtpTimestampUnwrapper wrap_handler_ RTC_GUARDED_BY(lock_); + std::map<int64_t, int64_t> send_times_ RTC_GUARDED_BY(lock_); + std::map<int64_t, int64_t> recv_times_ RTC_GUARDED_BY(lock_); + std::map<int64_t, size_t> encoded_frame_sizes_ RTC_GUARDED_BY(lock_); + absl::optional<uint32_t> first_encoded_timestamp_ RTC_GUARDED_BY(lock_); + absl::optional<uint32_t> first_sent_timestamp_ RTC_GUARDED_BY(lock_); + const double avg_psnr_threshold_; + const double avg_ssim_threshold_; + bool is_quick_test_enabled_; + + std::vector<rtc::PlatformThread> comparison_thread_pool_; + rtc::Event comparison_available_event_; + std::deque<FrameComparison> comparisons_ RTC_GUARDED_BY(comparison_lock_); + bool quit_ RTC_GUARDED_BY(comparison_lock_); + rtc::Event done_; + + std::unique_ptr<VideoRtpDepacketizer> vp8_depacketizer_; + std::unique_ptr<VideoRtpDepacketizer> vp9_depacketizer_; + std::unique_ptr<test::RtpFileWriter> rtp_file_writer_; + Clock* const clock_; + const int64_t start_ms_; + TaskQueueBase* task_queue_; +}; + +} // namespace webrtc +#endif // VIDEO_VIDEO_ANALYZER_H_ |