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/*
* Copyright (c) 2012 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 MODULES_INCLUDE_MODULE_COMMON_TYPES_H_
#define MODULES_INCLUDE_MODULE_COMMON_TYPES_H_
#include <stdint.h>
#include <vector>
namespace webrtc {
// Interface used by the CallStats class to distribute call statistics.
// Callbacks will be triggered as soon as the class has been registered to a
// CallStats object using RegisterStatsObserver.
class CallStatsObserver {
public:
virtual void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) = 0;
virtual ~CallStatsObserver() {}
};
// Interface used by NackModule and JitterBuffer.
class NackSender {
public:
// If `buffering_allowed`, other feedback messages (e.g. key frame requests)
// may be added to the same outgoing feedback message. In that case, it's up
// to the user of the interface to ensure that when all buffer-able messages
// have been added, the feedback message is triggered.
virtual void SendNack(const std::vector<uint16_t>& sequence_numbers,
bool buffering_allowed) = 0;
protected:
virtual ~NackSender() {}
};
// Interface used by NackModule and JitterBuffer.
class KeyFrameRequestSender {
public:
virtual void RequestKeyFrame() = 0;
protected:
virtual ~KeyFrameRequestSender() {}
};
// Interface used by LossNotificationController to communicate to RtpRtcp.
class LossNotificationSender {
public:
virtual ~LossNotificationSender() {}
virtual void SendLossNotification(uint16_t last_decoded_seq_num,
uint16_t last_received_seq_num,
bool decodability_flag,
bool buffering_allowed) = 0;
};
} // namespace webrtc
#endif // MODULES_INCLUDE_MODULE_COMMON_TYPES_H_
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