From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../experiments/quality_scaling_experiment.h | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment.h (limited to 'third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment.h') diff --git a/third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment.h b/third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment.h new file mode 100644 index 0000000000..bd24c06e55 --- /dev/null +++ b/third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment.h @@ -0,0 +1,61 @@ +/* + * 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 RTC_BASE_EXPERIMENTS_QUALITY_SCALING_EXPERIMENT_H_ +#define RTC_BASE_EXPERIMENTS_QUALITY_SCALING_EXPERIMENT_H_ + +#include "absl/types/optional.h" +#include "api/field_trials_view.h" +#include "api/video_codecs/video_encoder.h" + +namespace webrtc { +class QualityScalingExperiment { + public: + struct Settings { + int vp8_low; // VP8: low QP threshold. + int vp8_high; // VP8: high QP threshold. + int vp9_low; // VP9: low QP threshold. + int vp9_high; // VP9: high QP threshold. + int h264_low; // H264: low QP threshold. + int h264_high; // H264: high QP threshold. + int generic_low; // Generic: low QP threshold. + int generic_high; // Generic: high QP threshold. + float alpha_high; // `alpha_` for ExpFilter used when checking high QP. + float alpha_low; // `alpha_` for ExpFilter used when checking low QP. + int drop; // >0 sets `use_all_drop_reasons` to true. + }; + + // Used by QualityScaler. + struct Config { + float alpha_high = 0.9995f; + float alpha_low = 0.9999f; + // If set, all type of dropped frames are used. + // Otherwise only dropped frames by MediaOptimization are used. + bool use_all_drop_reasons = false; + }; + + // Returns true if the experiment is enabled. + static bool Enabled(const FieldTrialsView& field_trials); + + // Returns settings from field trial. + static absl::optional ParseSettings( + const FieldTrialsView& field_trials); + + // Returns QpThresholds for the `codec_type`. + static absl::optional GetQpThresholds( + VideoCodecType codec_type, + const FieldTrialsView& field_trials); + + // Returns parsed values. If the parsing fails, default values are returned. + static Config GetConfig(const FieldTrialsView& field_trials); +}; + +} // namespace webrtc + +#endif // RTC_BASE_EXPERIMENTS_QUALITY_SCALING_EXPERIMENT_H_ -- cgit v1.2.3