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/*
* Copyright (c) 2023 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 API_TEST_VIDEO_CODEC_STATS_H_
#define API_TEST_VIDEO_CODEC_STATS_H_
#include <map>
#include <string>
#include <vector>
#include "absl/types/optional.h"
#include "api/numerics/samples_stats_counter.h"
#include "api/test/metrics/metric.h"
#include "api/test/metrics/metrics_logger.h"
#include "api/units/data_rate.h"
#include "api/units/data_size.h"
#include "api/units/frequency.h"
namespace webrtc {
namespace test {
// Interface for encoded and/or decoded video frame and stream statistics.
class VideoCodecStats {
public:
// Filter for slicing frames.
struct Filter {
absl::optional<int> first_frame;
absl::optional<int> last_frame;
absl::optional<int> spatial_idx;
absl::optional<int> temporal_idx;
};
struct Frame {
int frame_num = 0;
uint32_t timestamp_rtp = 0;
int spatial_idx = 0;
int temporal_idx = 0;
int width = 0;
int height = 0;
DataSize frame_size = DataSize::Zero();
bool keyframe = false;
absl::optional<int> qp;
absl::optional<int> base_spatial_idx;
Timestamp encode_start = Timestamp::Zero();
TimeDelta encode_time = TimeDelta::Zero();
Timestamp decode_start = Timestamp::Zero();
TimeDelta decode_time = TimeDelta::Zero();
struct Psnr {
double y = 0.0;
double u = 0.0;
double v = 0.0;
};
absl::optional<Psnr> psnr;
absl::optional<DataRate> target_bitrate;
absl::optional<Frequency> target_framerate;
bool encoded = false;
bool decoded = false;
};
struct Stream {
SamplesStatsCounter width;
SamplesStatsCounter height;
SamplesStatsCounter frame_size_bytes;
SamplesStatsCounter keyframe;
SamplesStatsCounter qp;
SamplesStatsCounter encode_time_ms;
SamplesStatsCounter decode_time_ms;
SamplesStatsCounter target_bitrate_kbps;
SamplesStatsCounter target_framerate_fps;
SamplesStatsCounter encoded_bitrate_kbps;
SamplesStatsCounter encoded_framerate_fps;
SamplesStatsCounter bitrate_mismatch_pct;
SamplesStatsCounter framerate_mismatch_pct;
SamplesStatsCounter transmission_time_ms;
struct Psnr {
SamplesStatsCounter y;
SamplesStatsCounter u;
SamplesStatsCounter v;
} psnr;
// Logs `Stream` metrics to provided `MetricsLogger`.
void LogMetrics(MetricsLogger* logger,
std::string test_case_name,
std::map<std::string, std::string> metadata = {}) const;
};
virtual ~VideoCodecStats() = default;
// Returns frames from interval, spatial and temporal layer specified by given
// `filter`.
virtual std::vector<Frame> Slice(
absl::optional<Filter> filter = absl::nullopt) const = 0;
// Returns video statistics aggregated for given `frames`.
virtual Stream Aggregate(const std::vector<Frame>& frames) const = 0;
};
} // namespace test
} // namespace webrtc
#endif // API_TEST_VIDEO_CODEC_STATS_H_
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