/* * Copyright (c) 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 MEDIA_BASE_DELAYABLE_H_ #define MEDIA_BASE_DELAYABLE_H_ #include <stdint.h> #include "absl/types/optional.h" namespace cricket { // Delayable is used by user code through ApplyConstraints algorithm. Its // methods must take precendence over similar functional in |syncable.h|. class Delayable { public: virtual ~Delayable() {} // Set base minimum delay of the receive stream with specified ssrc. // Base minimum delay sets lower bound on minimum delay value which // determines minimum delay until audio playout. // Returns false if there is no stream with given ssrc. virtual bool SetBaseMinimumPlayoutDelayMs(uint32_t ssrc, int delay_ms) = 0; // Returns current value of base minimum delay in milliseconds. virtual absl::optional<int> GetBaseMinimumPlayoutDelayMs( uint32_t ssrc) const = 0; }; } // namespace cricket #endif // MEDIA_BASE_DELAYABLE_H_
