Older/MediaServer/Rtsp/RtspMuxer.h
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add ZLMediaKit code for learning.
2024-09-28 23:55:00 +08:00

138 lines
2.9 KiB
C++

/*
* Copyright (c) 2016-present 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_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 toolkit::RingDelegate<RtpPacket::Ptr> {
public:
using onRtp = std::function<void(RtpPacket::Ptr in, bool is_key)> ;
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
* RTSP generator
* [AUTO-TRANSLATED:2a72d801]
*/
class RtspMuxer : public MediaSinkInterface {
public:
using Ptr = std::shared_ptr<RtspMuxer>;
/**
* 构造函数
* Constructor
* [AUTO-TRANSLATED:41469869]
*/
RtspMuxer(const TitleSdp::Ptr &title = nullptr);
/**
* 获取完整的SDP字符串
* @return SDP字符串
* Get the complete SDP string
* @return SDP string
* [AUTO-TRANSLATED:f5d1b0a6]
*/
std::string getSdp() ;
/**
* 获取rtp环形缓存
* @return
* Get the RTP ring buffer
* @return
* [AUTO-TRANSLATED:644e8634]
*/
RtpRing::RingType::Ptr getRtpRing() const;
/**
* 添加ready状态的track
* Add a ready state track
* [AUTO-TRANSLATED:2d8138b3]
*/
bool addTrack(const Track::Ptr & track) override;
/**
* 写入帧数据
* @param frame 帧
* Write frame data
* @param frame Frame
* [AUTO-TRANSLATED:b7c92013]
*/
bool inputFrame(const Frame::Ptr &frame) override;
/**
* 刷新输出所有frame缓存
* Flush all frame buffers
* [AUTO-TRANSLATED:adaea568]
*/
void flush() override;
/**
* 重置所有track
* Reset all tracks
* [AUTO-TRANSLATED:f203fa3e]
*/
void resetTracks() override ;
private:
void onRtp(RtpPacket::Ptr in, bool is_key);
void trySyncTrack();
private:
bool _live = true;
bool _track_existed[2] = { false, false };
uint8_t _index {0};
uint64_t _ntp_stamp_start;
std::string _sdp;
struct TrackInfo {
Stamp stamp;
uint32_t rtp_stamp { 0 };
uint64_t ntp_stamp { 0 };
RtpCodec::Ptr encoder;
};
std::unordered_map<int, TrackInfo> _tracks;
RtpRing::RingType::Ptr _rtpRing;
RtpRing::RingType::Ptr _rtpInterceptor;
};
} /* namespace mediakit */
#endif //ZLMEDIAKIT_RTSPMUXER_H