ZLMediaKit/src/Rtmp/RtmpMediaSource.h
2018-10-26 22:58:32 +08:00

139 lines
4.0 KiB
C++

/*
* MIT License
*
* 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.
*/
#ifndef SRC_RTMP_RTMPMEDIASOURCE_H_
#define SRC_RTMP_RTMPMEDIASOURCE_H_
#include <mutex>
#include <memory>
#include <string>
#include <functional>
#include <unordered_map>
#include "amf.h"
#include "Rtmp.h"
#include "RtmpMuxer/RtmpDemuxer.h"
#include "Common/config.h"
#include "Common/MediaSource.h"
#include "Util/util.h"
#include "Util/logger.h"
#include "Util/RingBuffer.h"
#include "Util/TimeTicker.h"
#include "Util/ResourcePool.h"
#include "Util/NoticeCenter.h"
#include "Thread/ThreadPool.h"
using namespace toolkit;
namespace mediakit {
class RtmpMediaSource: public MediaSource ,public RingDelegate<RtmpPacket::Ptr> {
public:
typedef std::shared_ptr<RtmpMediaSource> Ptr;
typedef RingBuffer<RtmpPacket::Ptr> RingType;
RtmpMediaSource(const string &vhost,const string &strApp, const string &strId) :
MediaSource(RTMP_SCHEMA,vhost,strApp,strId),
_pRing(new RingBuffer<RtmpPacket::Ptr>()) {
}
virtual ~RtmpMediaSource() {}
const RingType::Ptr &getRing() const {
//获取媒体源的rtp环形缓冲
return _pRing;
}
const AMFValue &getMetaData() const {
lock_guard<recursive_mutex> lock(_mtxMap);
return _metadata;
}
template<typename FUN>
void getConfigFrame(const FUN &f) {
lock_guard<recursive_mutex> lock(_mtxMap);
for (auto &pr : _mapCfgFrame) {
f(pr.second);
}
}
virtual void onGetMetaData(const AMFValue &metadata) {
lock_guard<recursive_mutex> lock(_mtxMap);
_metadata = metadata;
RtmpDemuxer parser(metadata);
_iCfgFrameSize = parser.getTracks().size();
if(ready()){
MediaSource::regist();
_bRegisted = true;
} else{
_bAsyncRegist = true;
}
}
void onWrite(const RtmpPacket::Ptr &pkt,bool isKey = true) override {
lock_guard<recursive_mutex> lock(_mtxMap);
if (pkt->isCfgFrame()) {
_mapCfgFrame[pkt->typeId] = pkt;
if(_bAsyncRegist && !_bRegisted && _mapCfgFrame.size() == _iCfgFrameSize){
_bAsyncRegist = false;
MediaSource::regist();
_bRegisted = true;
}
} else{
_mapStamp[pkt->typeId] = pkt->timeStamp;
_pRing->write(pkt,pkt->isVideoKeyFrame());
}
}
uint32_t getTimeStamp(TrackType trackType) override {
lock_guard<recursive_mutex> lock(_mtxMap);
switch (trackType){
case TrackVideo:
return _mapStamp[MSG_VIDEO];
case TrackAudio:
return _mapStamp[MSG_AUDIO];
default:
return MAX(_mapStamp[MSG_VIDEO],_mapStamp[MSG_AUDIO]);
}
}
private:
bool ready(){
lock_guard<recursive_mutex> lock(_mtxMap);
return _iCfgFrameSize != -1 && _iCfgFrameSize == _mapCfgFrame.size();
}
protected:
AMFValue _metadata;
map<int, RtmpPacket::Ptr> _mapCfgFrame;
map<int,uint32_t> _mapStamp;
mutable recursive_mutex _mtxMap;
RingBuffer<RtmpPacket::Ptr>::Ptr _pRing; //rtp环形缓冲
int _iCfgFrameSize = -1;
bool _bAsyncRegist = false;
bool _bRegisted = false;
};
} /* namespace mediakit */
#endif /* SRC_RTMP_RTMPMEDIASOURCE_H_ */