ZLMediaKit/src/Rtmp/RtmpMediaSource.h
2018-09-14 18:21:39 +08:00

131 lines
3.8 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 "RtmpParser.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 std;
using namespace ZL::Util;
using namespace ZL::Thread;
using namespace ZL::Media;
namespace ZL {
namespace Rtmp {
class RtmpMediaSource: public MediaSource {
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),
m_pRing(new RingBuffer<RtmpPacket::Ptr>()) {
}
virtual ~RtmpMediaSource() {}
const RingType::Ptr &getRing() const {
//获取媒体源的rtp环形缓冲
return m_pRing;
}
const AMFValue &getMetaData() const {
lock_guard<recursive_mutex> lock(m_mtxMap);
return m_metadata;
}
template<typename FUN>
void getConfigFrame(const FUN &f) {
lock_guard<recursive_mutex> lock(m_mtxMap);
for (auto &pr : m_mapCfgFrame) {
f(pr.second);
}
}
virtual void onGetMetaData(const AMFValue &_metadata) {
lock_guard<recursive_mutex> lock(m_mtxMap);
m_metadata = _metadata;
RtmpParser parser(_metadata);
m_iCfgFrameSize = parser.containAudio() + parser.containVideo();
if(ready()){
MediaSource::regist();
m_bRegisted = true;
} else{
m_bAsyncRegist = true;
}
}
virtual void onGetMedia(const RtmpPacket::Ptr &pkt) {
if(!m_bRegisted){
lock_guard<recursive_mutex> lock(m_mtxMap);
if (m_mapCfgFrame.size() != m_iCfgFrameSize && pkt->isCfgFrame()) {
m_mapCfgFrame.emplace(pkt->typeId, pkt);
if( m_mapCfgFrame.size() == m_iCfgFrameSize && m_bAsyncRegist){
m_bAsyncRegist = false;
MediaSource::regist();
m_bRegisted = true;
}
}
}
m_pRing->write(pkt,pkt->isVideoKeyFrame());
}
private:
bool ready(){
lock_guard<recursive_mutex> lock(m_mtxMap);
return m_iCfgFrameSize != -1 && m_iCfgFrameSize == m_mapCfgFrame.size();
}
protected:
AMFValue m_metadata;
unordered_map<int, RtmpPacket::Ptr> m_mapCfgFrame;
mutable recursive_mutex m_mtxMap;
RingBuffer<RtmpPacket::Ptr>::Ptr m_pRing; //rtp环形缓冲
int m_iCfgFrameSize = -1;
bool m_bAsyncRegist = false;
bool m_bRegisted = false;
};
} /* namespace Rtmp */
} /* namespace ZL */
#endif /* SRC_RTMP_RTMPMEDIASOURCE_H_ */