mirror of
https://gitee.com/xia-chu/ZLMediaKit.git
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146 lines
4.2 KiB
C++
146 lines
4.2 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef SRC_RTMP_RTMPMEDIASOURCE_H_
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#define SRC_RTMP_RTMPMEDIASOURCE_H_
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#include <mutex>
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#include <memory>
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#include <string>
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#include <functional>
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#include <unordered_map>
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#include "amf.h"
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#include "Rtmp.h"
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#include "RtmpMuxer/RtmpDemuxer.h"
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#include "Common/config.h"
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#include "Common/MediaSource.h"
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#include "Util/util.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"
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#include "Util/NoticeCenter.h"
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#include "Thread/ThreadPool.h"
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using namespace toolkit;
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namespace mediakit {
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class RtmpMediaSource: public MediaSource ,public RingDelegate<RtmpPacket::Ptr> {
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public:
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typedef std::shared_ptr<RtmpMediaSource> Ptr;
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typedef RingBuffer<RtmpPacket::Ptr> RingType;
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RtmpMediaSource(const string &vhost,const string &strApp, const string &strId,int ringSize = 0) :
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MediaSource(RTMP_SCHEMA,vhost,strApp,strId),
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_pRing(new RingBuffer<RtmpPacket::Ptr>(ringSize)) {
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}
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virtual ~RtmpMediaSource() {}
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const RingType::Ptr &getRing() const {
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//获取媒体源的rtp环形缓冲
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return _pRing;
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}
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const AMFValue &getMetaData() const {
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lock_guard<recursive_mutex> lock(_mtxMap);
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return _metadata;
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}
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template<typename FUN>
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void getConfigFrame(const FUN &f) {
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lock_guard<recursive_mutex> lock(_mtxMap);
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for (auto &pr : _mapCfgFrame) {
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f(pr.second);
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}
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}
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virtual void onGetMetaData(const AMFValue &metadata) {
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lock_guard<recursive_mutex> lock(_mtxMap);
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_metadata = metadata;
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_iCfgFrameSize = RtmpDemuxer::getTrackCount(metadata);
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if(ready()){
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MediaSource::regist();
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_bRegisted = true;
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} else{
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_bAsyncRegist = true;
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}
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}
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void onWrite(const RtmpPacket::Ptr &pkt,bool isKey = true) override {
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lock_guard<recursive_mutex> lock(_mtxMap);
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if (pkt->isCfgFrame()) {
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_mapCfgFrame[pkt->typeId] = pkt;
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if(_bAsyncRegist && !_bRegisted && _mapCfgFrame.size() == _iCfgFrameSize){
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_bAsyncRegist = false;
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MediaSource::regist();
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_bRegisted = true;
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}
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} else{
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if(!_bRegisted){
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//强制在3秒后注册，不管是否有metedata或config包
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if(_ticker.createdTime() > 3 * 1000){
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MediaSource::regist();
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_bRegisted = true;
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}
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}
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_mapStamp[pkt->typeId] = pkt->timeStamp;
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_pRing->write(pkt,pkt->isVideoKeyFrame());
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}
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}
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uint32_t getTimeStamp(TrackType trackType) override {
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lock_guard<recursive_mutex> lock(_mtxMap);
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switch (trackType){
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case TrackVideo:
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return _mapStamp[MSG_VIDEO];
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case TrackAudio:
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return _mapStamp[MSG_AUDIO];
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default:
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return MAX(_mapStamp[MSG_VIDEO],_mapStamp[MSG_AUDIO]);
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}
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}
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private:
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bool ready(){
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lock_guard<recursive_mutex> lock(_mtxMap);
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return _iCfgFrameSize != -1 && _iCfgFrameSize == _mapCfgFrame.size();
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}
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protected:
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AMFValue _metadata;
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map<int, RtmpPacket::Ptr> _mapCfgFrame;
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map<int,uint32_t> _mapStamp;
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mutable recursive_mutex _mtxMap;
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RingBuffer<RtmpPacket::Ptr>::Ptr _pRing; //rtp环形缓冲
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int _iCfgFrameSize = -1;
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bool _bAsyncRegist = false;
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bool _bRegisted = false;
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Ticker _ticker;
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};
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} /* namespace mediakit */
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#endif /* SRC_RTMP_RTMPMEDIASOURCE_H_ */
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