ZLMediaKit/src/Rtsp/RtspMediaSource.h

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/*
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* MIT License
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*
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* Copyright (c) 2016 xiongziliang <771730766@qq.com>
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
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*/
#ifndef SRC_RTSP_RTSPMEDIASOURCE_H_
#define SRC_RTSP_RTSPMEDIASOURCE_H_
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#include <mutex>
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#include <string>
#include <memory>
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#include <functional>
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#include <unordered_map>
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#include "Rtsp.h"
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#include "Common/config.h"
#include "Common/MediaSource.h"
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#include "RTP/RtpCodec.h"
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#include "Util/logger.h"
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#include "Util/RingBuffer.h"
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#include "Util/TimeTicker.h"
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#include "Util/ResourcePool.h"
#include "Util/NoticeCenter.h"
#include "Thread/ThreadPool.h"
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using namespace std;
using namespace ZL::Util;
using namespace ZL::Thread;
using namespace ZL::Media;
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namespace ZL {
namespace Rtsp {
class RtspMediaSource: public MediaSource {
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public:
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typedef ResourcePool<RtpPacket> PoolType;
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typedef std::shared_ptr<RtspMediaSource> Ptr;
typedef RingBuffer<RtpPacket::Ptr> RingType;
RtspMediaSource(const string &strVhost,const string &strApp, const string &strId) :
MediaSource(RTSP_SCHEMA,strVhost,strApp,strId),
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m_pRing(new RingBuffer<RtpPacket::Ptr>()) {
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}
virtual ~RtspMediaSource() {}
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const RingType::Ptr &getRing() const {
//获取媒体源的rtp环形缓冲
return m_pRing;
}
const string& getSdp() const {
//获取该源的媒体描述信息
return m_strSdp;
}
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virtual uint32_t getSsrc(TrackType trackType) {
return m_mapTracks[trackType].ssrc;
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}
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virtual uint16_t getSeqence(TrackType trackType) {
return m_mapTracks[trackType].seq;
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}
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virtual uint32_t getTimestamp(TrackType trackType) {
return m_mapTracks[trackType].timeStamp;
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}
virtual void onGetSDP(const string& sdp) {
//派生类设置该媒体源媒体描述信息
m_strSdp = sdp;
regist();
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}
virtual void onGetRTP(const RtpPacket::Ptr &rtppt, bool keyPos) {
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auto &trackRef = m_mapTracks[rtppt->type];
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trackRef.seq = rtppt->sequence;
trackRef.timeStamp = rtppt->timeStamp;
trackRef.ssrc = rtppt->ssrc;
trackRef.type = rtppt->type;
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m_pRing->write(rtppt,keyPos);
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}
protected:
unordered_map<int, RtspTrack> m_mapTracks;
string m_strSdp; //媒体描述信息
RingType::Ptr m_pRing; //rtp环形缓冲
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};
} /* namespace Rtsp */
} /* namespace ZL */
#endif /* SRC_RTSP_RTSPMEDIASOURCE_H_ */