8037fc6ffa
Bug: webrtc:342905193 No-Try: True Change-Id: Icc968be43b8830038ea9a1f5f604307220457807 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/361021 Auto-Submit: Florent Castelli <orphis@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Florent Castelli <orphis@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42911}
95 lines
3.2 KiB
C++
95 lines
3.2 KiB
C++
/*
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* Copyright (c) 2023 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 TEST_JITTER_DELAY_VARIATION_CALCULATOR_H_
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#define TEST_JITTER_DELAY_VARIATION_CALCULATOR_H_
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#include <stdint.h>
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#include <map>
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#include <optional>
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#include <string>
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#include "api/numerics/samples_stats_counter.h"
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#include "api/test/metrics/metrics_logger.h"
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#include "api/units/data_size.h"
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#include "api/units/timestamp.h"
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#include "api/video/video_frame_type.h"
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#include "rtc_base/numerics/sequence_number_unwrapper.h"
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namespace webrtc {
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namespace test {
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// Helper class for calculating different delay variation statistics for "RTP
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// frame arrival events". One use case is gathering statistics from
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// RtcEventLogs. Another use case is online logging of data in test calls.
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class DelayVariationCalculator {
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public:
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struct TimeSeries {
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// Time series of RTP timestamps `t(n)` for each frame `n`.
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SamplesStatsCounter rtp_timestamps;
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// Time series of local arrival timestamps `r(n)` for each frame.
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SamplesStatsCounter arrival_times_ms;
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// Time series of sizes `s(n)` for each frame.
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SamplesStatsCounter sizes_bytes;
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// Time series of `d_t(n) = t(n) - t(n-1)` for each frame.
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SamplesStatsCounter inter_departure_times_ms;
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// Time series of `d_r(n) = r(n) - r(n-1)` for each frame.
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SamplesStatsCounter inter_arrival_times_ms;
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// Time series of `d_r(n) - d_t(n) = (r(n) - r(n-1)) - (t(n) - t(n-1))`
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// for each frame.
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SamplesStatsCounter inter_delay_variations_ms;
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// Time series of `s(n) - s(n-1)`, for each frame.
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SamplesStatsCounter inter_size_variations_bytes;
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};
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DelayVariationCalculator() = default;
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~DelayVariationCalculator() = default;
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void Insert(uint32_t rtp_timestamp,
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Timestamp arrival_time,
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DataSize size,
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std::optional<int> spatial_layer = std::nullopt,
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std::optional<int> temporal_layer = std::nullopt,
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std::optional<VideoFrameType> frame_type = std::nullopt);
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const TimeSeries& time_series() const { return time_series_; }
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private:
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struct Frame {
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uint32_t rtp_timestamp;
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int64_t unwrapped_rtp_timestamp;
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Timestamp arrival_time;
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DataSize size;
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std::optional<int> spatial_layer;
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std::optional<int> temporal_layer;
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std::optional<VideoFrameType> frame_type;
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};
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using MetadataT = std::map<std::string, std::string>;
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void InsertFirstFrame(const Frame& frame,
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Timestamp sample_time,
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MetadataT sample_metadata);
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void InsertFrame(const Frame& frame,
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Timestamp sample_time,
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MetadataT sample_metadata);
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MetadataT BuildMetadata(const Frame& frame);
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RtpTimestampUnwrapper unwrapper_;
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std::optional<Frame> prev_frame_ = std::nullopt;
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TimeSeries time_series_;
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};
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} // namespace test
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} // namespace webrtc
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#endif // TEST_JITTER_DELAY_VARIATION_CALCULATOR_H_
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