зеркало из https://github.com/mozilla/gecko-dev.git
207 строки
8.5 KiB
C++
207 строки
8.5 KiB
C++
/*
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* Copyright (c) 2013 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_RECEIVE_STATISTICS_PROXY_H_
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#define VIDEO_RECEIVE_STATISTICS_PROXY_H_
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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 "absl/types/optional.h"
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#include "call/video_receive_stream.h"
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#include "modules/include/module_common_types.h"
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#include "modules/video_coding/include/video_coding_defines.h"
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#include "rtc_base/numerics/histogram_percentile_counter.h"
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#include "rtc_base/numerics/moving_max_counter.h"
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#include "rtc_base/numerics/sample_counter.h"
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#include "rtc_base/rate_statistics.h"
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#include "rtc_base/rate_tracker.h"
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#include "rtc_base/synchronization/mutex.h"
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#include "rtc_base/thread_annotations.h"
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#include "rtc_base/thread_checker.h"
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#include "video/quality_threshold.h"
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#include "video/stats_counter.h"
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#include "video/video_quality_observer.h"
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namespace webrtc {
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class Clock;
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struct CodecSpecificInfo;
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class ReceiveStatisticsProxy : public VCMReceiveStatisticsCallback,
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public RtcpCnameCallback,
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public RtcpPacketTypeCounterObserver,
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public CallStatsObserver {
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public:
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ReceiveStatisticsProxy(const VideoReceiveStream::Config* config,
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Clock* clock);
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~ReceiveStatisticsProxy() = default;
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VideoReceiveStream::Stats GetStats() const;
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void OnDecodedFrame(const VideoFrame& frame,
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absl::optional<uint8_t> qp,
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int32_t decode_time_ms,
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VideoContentType content_type);
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void OnSyncOffsetUpdated(int64_t video_playout_ntp_ms,
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int64_t sync_offset_ms,
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double estimated_freq_khz);
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void OnRenderedFrame(const VideoFrame& frame);
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void OnIncomingPayloadType(int payload_type);
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void OnDecoderImplementationName(const char* implementation_name);
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void OnPreDecode(VideoCodecType codec_type, int qp);
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void OnUniqueFramesCounted(int num_unique_frames);
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// Indicates video stream has been paused (no incoming packets).
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void OnStreamInactive();
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// Overrides VCMReceiveStatisticsCallback.
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void OnCompleteFrame(bool is_keyframe,
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size_t size_bytes,
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VideoContentType content_type) override;
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void OnDroppedFrames(uint32_t frames_dropped) override;
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void OnDiscardedPackets(uint32_t packets_discarded) override {}
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void OnFrameBufferTimingsUpdated(int max_decode_ms,
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int current_delay_ms,
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int target_delay_ms,
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int jitter_buffer_ms,
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int min_playout_delay_ms,
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int render_delay_ms) override;
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void OnTimingFrameInfoUpdated(const TimingFrameInfo& info) override;
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// Overrides RtcpCnameCallback.
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void OnCname(uint32_t ssrc, absl::string_view cname) override;
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// Overrides RtcpPacketTypeCounterObserver.
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void RtcpPacketTypesCounterUpdated(
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uint32_t ssrc,
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const RtcpPacketTypeCounter& packet_counter) override;
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// Implements CallStatsObserver.
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void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) override;
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// Notification methods that are used to check our internal state and validate
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// threading assumptions. These are called by VideoReceiveStream.
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void DecoderThreadStarting();
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void DecoderThreadStopped();
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// Produce histograms. Must be called after DecoderThreadStopped(), typically
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// at the end of the call.
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void UpdateHistograms(absl::optional<int> fraction_lost,
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const StreamDataCounters& rtp_stats,
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const StreamDataCounters* rtx_stats);
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private:
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struct QpCounters {
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rtc::SampleCounter vp8;
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};
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struct ContentSpecificStats {
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ContentSpecificStats();
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~ContentSpecificStats();
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void Add(const ContentSpecificStats& other);
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rtc::SampleCounter e2e_delay_counter;
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rtc::SampleCounter interframe_delay_counter;
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int64_t flow_duration_ms = 0;
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int64_t total_media_bytes = 0;
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rtc::SampleCounter received_width;
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rtc::SampleCounter received_height;
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rtc::SampleCounter qp_counter;
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FrameCounts frame_counts;
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rtc::HistogramPercentileCounter interframe_delay_percentiles;
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};
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void QualitySample() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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// Removes info about old frames and then updates the framerate.
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void UpdateFramerate(int64_t now_ms) const
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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void UpdateDecodeTimeHistograms(int width,
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int height,
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int decode_time_ms) const
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RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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absl::optional<int64_t> GetCurrentEstimatedPlayoutNtpTimestampMs(
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int64_t now_ms) const RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
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Clock* const clock_;
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// Ownership of this object lies with the owner of the ReceiveStatisticsProxy
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// instance. Lifetime is guaranteed to outlive |this|.
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// TODO(tommi): In practice the config_ reference is only used for accessing
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// config_.rtp.ulpfec.ulpfec_payload_type. Instead of holding a pointer back,
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// we could just store the value of ulpfec_payload_type and change the
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// ReceiveStatisticsProxy() ctor to accept a const& of Config (since we'll
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// then no longer store a pointer to the object).
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const VideoReceiveStream::Config& config_;
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const int64_t start_ms_;
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const bool enable_decode_time_histograms_;
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mutable Mutex mutex_;
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int64_t last_sample_time_ RTC_GUARDED_BY(mutex_);
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QualityThreshold fps_threshold_ RTC_GUARDED_BY(mutex_);
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QualityThreshold qp_threshold_ RTC_GUARDED_BY(mutex_);
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QualityThreshold variance_threshold_ RTC_GUARDED_BY(mutex_);
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rtc::SampleCounter qp_sample_ RTC_GUARDED_BY(mutex_);
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int num_bad_states_ RTC_GUARDED_BY(mutex_);
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int num_certain_states_ RTC_GUARDED_BY(mutex_);
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// Note: The |stats_.rtp_stats| member is not used or populated by this class.
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mutable VideoReceiveStream::Stats stats_ RTC_GUARDED_BY(mutex_);
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RateStatistics decode_fps_estimator_ RTC_GUARDED_BY(mutex_);
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RateStatistics renders_fps_estimator_ RTC_GUARDED_BY(mutex_);
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rtc::RateTracker render_fps_tracker_ RTC_GUARDED_BY(mutex_);
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rtc::RateTracker render_pixel_tracker_ RTC_GUARDED_BY(mutex_);
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rtc::SampleCounter sync_offset_counter_ RTC_GUARDED_BY(mutex_);
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rtc::SampleCounter decode_time_counter_ RTC_GUARDED_BY(mutex_);
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rtc::SampleCounter jitter_buffer_delay_counter_ RTC_GUARDED_BY(mutex_);
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rtc::SampleCounter target_delay_counter_ RTC_GUARDED_BY(mutex_);
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rtc::SampleCounter current_delay_counter_ RTC_GUARDED_BY(mutex_);
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rtc::SampleCounter delay_counter_ RTC_GUARDED_BY(mutex_);
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std::unique_ptr<VideoQualityObserver> video_quality_observer_
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RTC_GUARDED_BY(mutex_);
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mutable rtc::MovingMaxCounter<int> interframe_delay_max_moving_
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RTC_GUARDED_BY(mutex_);
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std::map<VideoContentType, ContentSpecificStats> content_specific_stats_
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RTC_GUARDED_BY(mutex_);
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MaxCounter freq_offset_counter_ RTC_GUARDED_BY(mutex_);
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QpCounters qp_counters_ RTC_GUARDED_BY(decode_thread_);
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int64_t avg_rtt_ms_ RTC_GUARDED_BY(mutex_);
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mutable std::map<int64_t, size_t> frame_window_ RTC_GUARDED_BY(&mutex_);
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VideoContentType last_content_type_ RTC_GUARDED_BY(&mutex_);
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VideoCodecType last_codec_type_ RTC_GUARDED_BY(&mutex_);
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absl::optional<int64_t> first_frame_received_time_ms_ RTC_GUARDED_BY(&mutex_);
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absl::optional<int64_t> first_decoded_frame_time_ms_ RTC_GUARDED_BY(&mutex_);
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absl::optional<int64_t> last_decoded_frame_time_ms_ RTC_GUARDED_BY(&mutex_);
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size_t num_delayed_frames_rendered_ RTC_GUARDED_BY(&mutex_);
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int64_t sum_missed_render_deadline_ms_ RTC_GUARDED_BY(&mutex_);
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// Mutable because calling Max() on MovingMaxCounter is not const. Yet it is
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// called from const GetStats().
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mutable rtc::MovingMaxCounter<TimingFrameInfo> timing_frame_info_counter_
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RTC_GUARDED_BY(&mutex_);
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absl::optional<int> num_unique_frames_ RTC_GUARDED_BY(mutex_);
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absl::optional<int64_t> last_estimated_playout_ntp_timestamp_ms_
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RTC_GUARDED_BY(&mutex_);
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absl::optional<int64_t> last_estimated_playout_time_ms_
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RTC_GUARDED_BY(&mutex_);
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rtc::ThreadChecker decode_thread_;
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rtc::ThreadChecker network_thread_;
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rtc::ThreadChecker main_thread_;
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};
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} // namespace webrtc
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#endif // VIDEO_RECEIVE_STATISTICS_PROXY_H_
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