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/*
* Copyright (c) 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 API_TRANSPORT_BITRATE_SETTINGS_H_
#define API_TRANSPORT_BITRATE_SETTINGS_H_
#include <algorithm>
#include "absl/types/optional.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
// Configuration of send bitrate. The `start_bitrate_bps` value is
// used for multiple purposes, both as a prior in the bandwidth
// estimator, and for initial configuration of the encoder. We may
// want to create separate apis for those, and use a smaller struct
// with only the min and max constraints.
struct RTC_EXPORT BitrateSettings {
BitrateSettings();
~BitrateSettings();
BitrateSettings(const BitrateSettings&);
// 0 <= min <= start <= max should hold for set parameters.
absl::optional<int> min_bitrate_bps;
absl::optional<int> start_bitrate_bps;
absl::optional<int> max_bitrate_bps;
};
// TODO(srte): BitrateConstraints and BitrateSettings should be merged.
// Both represent the same kind data, but are using different default
// initializer and representation of unset values.
struct BitrateConstraints {
int min_bitrate_bps = 0;
int start_bitrate_bps = kDefaultStartBitrateBps;
int max_bitrate_bps = -1;
private:
static constexpr int kDefaultStartBitrateBps = 300000;
};
} // namespace webrtc
#endif // API_TRANSPORT_BITRATE_SETTINGS_H_
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