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