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b72cc6d670
Calculate quality metrics for dropped frames by comparing original frame against last decoded one. This feature makes comparison of encoders which do/don't drop frames more fair. The feature is controlled by analyze_quality_of_dropped_frames flag and is disabled by default. Bug: none Change-Id: Ifab8df92d0b76e743ff3193c05d7c8dbd14921c4 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/190660 Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32518}
134 lines
3.5 KiB
C++
134 lines
3.5 KiB
C++
/*
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* Copyright (c) 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 API_TEST_VIDEOCODEC_TEST_STATS_H_
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#define API_TEST_VIDEOCODEC_TEST_STATS_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include "api/video/video_frame_type.h"
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namespace webrtc {
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namespace test {
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// Statistics for a sequence of processed frames. This class is not thread safe.
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class VideoCodecTestStats {
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public:
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// Statistics for one processed frame.
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struct FrameStatistics {
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FrameStatistics(size_t frame_number,
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size_t rtp_timestamp,
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size_t spatial_idx);
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std::string ToString() const;
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size_t frame_number = 0;
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size_t rtp_timestamp = 0;
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// Encoding.
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int64_t encode_start_ns = 0;
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int encode_return_code = 0;
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bool encoding_successful = false;
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size_t encode_time_us = 0;
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size_t target_bitrate_kbps = 0;
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double target_framerate_fps = 0.0;
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size_t length_bytes = 0;
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VideoFrameType frame_type = VideoFrameType::kVideoFrameDelta;
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// Layering.
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size_t spatial_idx = 0;
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size_t temporal_idx = 0;
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bool inter_layer_predicted = false;
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bool non_ref_for_inter_layer_pred = true;
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// H264 specific.
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size_t max_nalu_size_bytes = 0;
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// Decoding.
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int64_t decode_start_ns = 0;
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int decode_return_code = 0;
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bool decoding_successful = false;
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size_t decode_time_us = 0;
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size_t decoded_width = 0;
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size_t decoded_height = 0;
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// Quantization.
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int qp = -1;
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// Quality.
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bool quality_analysis_successful = false;
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float psnr_y = 0.0f;
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float psnr_u = 0.0f;
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float psnr_v = 0.0f;
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float psnr = 0.0f; // 10 * log10(255^2 / (mse_y + mse_u + mse_v)).
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float ssim = 0.0f; // 0.8 * ssim_y + 0.1 * (ssim_u + ssim_v).
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};
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struct VideoStatistics {
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std::string ToString(std::string prefix) const;
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size_t target_bitrate_kbps = 0;
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float input_framerate_fps = 0.0f;
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size_t spatial_idx = 0;
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size_t temporal_idx = 0;
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size_t width = 0;
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size_t height = 0;
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size_t length_bytes = 0;
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size_t bitrate_kbps = 0;
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float framerate_fps = 0;
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float enc_speed_fps = 0.0f;
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float dec_speed_fps = 0.0f;
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float avg_delay_sec = 0.0f;
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float max_key_frame_delay_sec = 0.0f;
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float max_delta_frame_delay_sec = 0.0f;
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float time_to_reach_target_bitrate_sec = 0.0f;
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float avg_key_frame_size_bytes = 0.0f;
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float avg_delta_frame_size_bytes = 0.0f;
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float avg_qp = 0.0f;
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float avg_psnr_y = 0.0f;
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float avg_psnr_u = 0.0f;
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float avg_psnr_v = 0.0f;
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float avg_psnr = 0.0f;
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float min_psnr = 0.0f;
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float avg_ssim = 0.0f;
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float min_ssim = 0.0f;
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size_t num_input_frames = 0;
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size_t num_encoded_frames = 0;
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size_t num_decoded_frames = 0;
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size_t num_key_frames = 0;
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size_t num_spatial_resizes = 0;
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size_t max_nalu_size_bytes = 0;
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};
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virtual ~VideoCodecTestStats() = default;
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virtual std::vector<FrameStatistics> GetFrameStatistics() = 0;
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virtual std::vector<VideoStatistics> SliceAndCalcLayerVideoStatistic(
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size_t first_frame_num,
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size_t last_frame_num) = 0;
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};
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} // namespace test
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} // namespace webrtc
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#endif // API_TEST_VIDEOCODEC_TEST_STATS_H_
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