mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 03:10:04 +08:00
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/*
|
||
* Copyright (c) 2021 The ZLMediaKit project authors. All Rights Reserved.
|
||
*
|
||
* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
|
||
*
|
||
* Use of this source code is governed by MIT-like license that can be found in the
|
||
* LICENSE file in the root of the source tree. All contributing project authors
|
||
* may be found in the AUTHORS file in the root of the source tree.
|
||
*/
|
||
|
||
#ifndef ZLMEDIAKIT_TWCCCONTEXT_H
|
||
#define ZLMEDIAKIT_TWCCCONTEXT_H
|
||
|
||
#include <stdint.h>
|
||
#include <map>
|
||
#include <functional>
|
||
#include <string>
|
||
|
||
namespace mediakit {
|
||
|
||
class TwccContext {
|
||
public:
|
||
using onSendTwccCB = std::function<void(uint32_t ssrc, std::string fci)>;
|
||
//每个twcc rtcp包最多表明的rtp ext seq增量
|
||
static constexpr size_t kMaxSeqSize = 20;
|
||
//每个twcc rtcp包发送的最大时间间隔，单位毫秒
|
||
static constexpr size_t kMaxTimeDelta = 256;
|
||
|
||
void onRtp(uint32_t ssrc, uint16_t twcc_ext_seq, uint64_t stamp_ms);
|
||
void setOnSendTwccCB(onSendTwccCB cb);
|
||
|
||
private:
|
||
void onSendTwcc(uint32_t ssrc);
|
||
bool needSendTwcc() const;
|
||
int checkSeqStatus(uint16_t twcc_ext_seq) const;
|
||
void clearStatus();
|
||
|
||
private:
|
||
uint64_t _min_stamp = 0;
|
||
uint64_t _max_stamp;
|
||
std::map<uint32_t /*twcc_ext_seq*/, uint64_t/*recv time in ms*/> _rtp_recv_status;
|
||
uint8_t _twcc_pkt_count = 0;
|
||
onSendTwccCB _cb;
|
||
};
|
||
|
||
}// namespace mediakit
|
||
#endif //ZLMEDIAKIT_TWCCCONTEXT_H
|