ZLMediaKit/src/Rtp/PSRtpSender.h

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/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Use of this source code is governed by MIT 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_PSRTPSENDER_H
#define ZLMEDIAKIT_PSRTPSENDER_H
#if defined(ENABLE_RTPPROXY)
#include "PSEncoder.h"
#include "Extension/CommonRtp.h"
namespace mediakit{
class RingDelegateHelper : public RingDelegate<RtpPacket::Ptr> {
public:
typedef function<void(const RtpPacket::Ptr &in, bool is_key)> onRtp;
~RingDelegateHelper() override{}
RingDelegateHelper(onRtp on_rtp){
_on_rtp = std::move(on_rtp);
}
void onWrite(RtpPacket::Ptr in, bool is_key) override{
_on_rtp(in, is_key);
}
private:
onRtp _on_rtp;
};
//该类在PSEncoder的基础上实现了mpeg-ps的rtp打包以及发送
class PSRtpSender : public PSEncoder, public std::enable_shared_from_this<PSRtpSender>, public PacketCache<RtpPacket>{
public:
typedef std::shared_ptr<PSRtpSender> Ptr;
/**
* 构造函数
* @param ssrc rtp的ssrc
* @param payload_type 国标中ps-rtp的pt一般为96
*/
PSRtpSender(uint32_t ssrc, uint8_t payload_type = 96);
~PSRtpSender() override;
/**
* 开始发送ps-rtp包
* @param dst_url 目标ip或域名
* @param dst_port 目标端口
* @param is_udp 是否采用udp方式发送rtp
* @param cb 连接目标端口是否成功的回调
*/
void startSend(const string &dst_url, uint16_t dst_port, bool is_udp, const function<void(const SockException &ex)> &cb);
/**
* 输入帧数据
*/
void inputFrame(const Frame::Ptr &frame) override;
protected:
//mpeg-ps回调
void onPS(uint32_t stamp, void *packet, size_t bytes) override;
/**
* 批量flush rtp包时触发该函数
* @param rtp_list rtp包列表
* @param key_pos 是否包含关键帧
*/
void onFlush(std::shared_ptr<List<RtpPacket::Ptr> > rtp_list, bool key_pos) override;
private:
//rtp打包后回调
void onRtp(const RtpPacket::Ptr &in, bool is_key);
//udp/tcp连接成功回调
void onConnect();
//异常断开socket事件
void onErr(const SockException &ex, bool is_connect = false);
private:
bool _is_udp;
bool _is_connect = false;
string _dst_url;
uint16_t _dst_port;
Socket::Ptr _socket;
EventPoller::Ptr _poller;
Timer::Ptr _connect_timer;
std::shared_ptr<CommonRtpEncoder> _rtp_encoder;
};
}//namespace mediakit
#endif// defined(ENABLE_RTPPROXY)
#endif //ZLMEDIAKIT_PSRTPSENDER_H