min_video_bitrate_experiment.h

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/*

 *  Copyright 2019 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_MIN_VIDEO_BITRATE_EXPERIMENT_H_

#define RTC_BASE_EXPERIMENTS_MIN_VIDEO_BITRATE_EXPERIMENT_H_

#include <optional>

#include "api/field_trials_view.h"

#include "api/units/data_rate.h"

#include "api/video/video_codec_type.h"

namespace webrtc {

extern const int kDefaultMinVideoBitrateBps;

// Return the experiment-driven minimum video bitrate.

// If no experiment is effective, returns nullopt.

std::optional<DataRate> GetExperimentalMinVideoBitrate(

    const FieldTrialsView& field_trials,

    VideoCodecType type);

}  // namespace webrtc

#endif  // RTC_BASE_EXPERIMENTS_MIN_VIDEO_BITRATE_EXPERIMENT_H_