ZLMediaKit/src/Rtsp/RtspMuxer.h
2021-07-16 15:58:01 +08:00

98 lines
2.1 KiB
C++

/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/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_RTSPMUXER_H
#define ZLMEDIAKIT_RTSPMUXER_H
#include "Extension/Frame.h"
#include "Common/MediaSink.h"
#include "Common/Stamp.h"
#include "RtpCodec.h"
namespace mediakit{
class RingDelegateHelper : public RingDelegate<RtpPacket::Ptr> {
public:
typedef function<void(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(std::move(in), is_key);
}
private:
onRtp _on_rtp;
};
/**
* rtsp生成器
*/
class RtspMuxer : public MediaSinkInterface{
public:
using Ptr = std::shared_ptr<RtspMuxer>;
/**
* 构造函数
*/
RtspMuxer(const TitleSdp::Ptr &title = nullptr);
virtual ~RtspMuxer(){}
/**
* 获取完整的SDP字符串
* @return SDP字符串
*/
string getSdp() ;
/**
* 获取rtp环形缓存
* @return
*/
RtpRing::RingType::Ptr getRtpRing() const;
/**
* 添加ready状态的track
*/
void addTrack(const Track::Ptr & track) override;
/**
* 写入帧数据
* @param frame 帧
*/
void inputFrame(const Frame::Ptr &frame) override;
/**
* 重置所有track
*/
void resetTracks() override ;
private:
void onRtp(RtpPacket::Ptr in, bool is_key);
void trySyncTrack();
private:
uint32_t _rtp_stamp[TrackMax]{0};
uint64_t _ntp_stamp[TrackMax]{0};
uint64_t _ntp_stamp_start;
string _sdp;
Stamp _stamp[TrackMax];
RtpCodec::Ptr _encoder[TrackMax];
RtpRing::RingType::Ptr _rtpRing;
RtpRing::RingType::Ptr _rtpInterceptor;
};
} /* namespace mediakit */
#endif //ZLMEDIAKIT_RTSPMUXER_H