49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
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* Copyright (c) 2019 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 RTC_BASE_EXPERIMENTS_KEYFRAME_INTERVAL_SETTINGS_H_
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#define RTC_BASE_EXPERIMENTS_KEYFRAME_INTERVAL_SETTINGS_H_
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#include "absl/types/optional.h"
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#include "api/transport/webrtc_key_value_config.h"
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#include "rtc_base/experiments/field_trial_parser.h"
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namespace webrtc {
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class KeyframeIntervalSettings final {
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public:
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static KeyframeIntervalSettings ParseFromFieldTrials();
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// Sender side.
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// The encoded keyframe send rate is <= 1/MinKeyframeSendIntervalMs().
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absl::optional<int> MinKeyframeSendIntervalMs() const;
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// Receiver side.
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// The keyframe request send rate is
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// - when we have not received a key frame at all:
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// <= 1/MaxWaitForKeyframeMs()
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// - when we have not received a frame recently:
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// <= 1/MaxWaitForFrameMs()
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absl::optional<int> MaxWaitForKeyframeMs() const;
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absl::optional<int> MaxWaitForFrameMs() const;
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private:
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explicit KeyframeIntervalSettings(
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const WebRtcKeyValueConfig* key_value_config);
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FieldTrialOptional<int> min_keyframe_send_interval_ms_;
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FieldTrialOptional<int> max_wait_for_keyframe_ms_;
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FieldTrialOptional<int> max_wait_for_frame_ms_;
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};
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} // namespace webrtc
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#endif // RTC_BASE_EXPERIMENTS_KEYFRAME_INTERVAL_SETTINGS_H_
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