Nagram/TMessagesProj/jni/webrtc/media/base/delayable.h
2020-08-14 19:58:22 +03:00

39 lines
1.3 KiB
C++

/*
* 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_