chromium/third_party/webrtc/rtc_base/experiments/quality_scaling_experiment.cc

/*
 *  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.
 */
#include "rtc_base/experiments/quality_scaling_experiment.h"

#include <stdio.h>

#include <string>

#include "absl/strings/match.h"
#include "api/field_trials_view.h"
#include "api/transport/field_trial_based_config.h"
#include "rtc_base/logging.h"

namespace webrtc {
namespace {
constexpr char kFieldTrial[] = …;
constexpr int kMinQp = …;
constexpr int kMaxVp8Qp = …;
constexpr int kMaxVp9Qp = …;
constexpr int kMaxH264Qp = …;
constexpr int kMaxGenericQp = …;

#if !defined(WEBRTC_IOS)
constexpr char kDefaultQualityScalingSetttings[] = …;
#endif

absl::optional<VideoEncoder::QpThresholds> GetThresholds(int low,
                                                         int high,
                                                         int max) { … }
}  // namespace

bool QualityScalingExperiment::Enabled(const FieldTrialsView& field_trials) { … }

absl::optional<QualityScalingExperiment::Settings>
QualityScalingExperiment::ParseSettings(const FieldTrialsView& field_trials) { … }

absl::optional<VideoEncoder::QpThresholds>
QualityScalingExperiment::GetQpThresholds(VideoCodecType codec_type,
                                          const FieldTrialsView& field_trials) { … }

QualityScalingExperiment::Config QualityScalingExperiment::GetConfig(
    const FieldTrialsView& field_trials) { … }

}  // namespace webrtc