ZLMediaKit/src/Rtsp/RtspPlayerImp.h
2019-12-03 16:10:02 +08:00

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/*
* MIT License
*
* Copyright (c) 2016-2019 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_RTP_RTPPARSERTESTER_H_
#define SRC_RTP_RTPPARSERTESTER_H_
#include <memory>
#include <algorithm>
#include <functional>
#include "Common/config.h"
#include "RtspPlayer.h"
#include "RtspDemuxer.h"
#include "Poller/Timer.h"
#include "Util/TimeTicker.h"
using namespace std;
using namespace toolkit;
namespace mediakit {
class RtspPlayerImp: public PlayerImp<RtspPlayer,RtspDemuxer> {
public:
typedef std::shared_ptr<RtspPlayerImp> Ptr;
RtspPlayerImp(const EventPoller::Ptr &poller) : PlayerImp<RtspPlayer,RtspDemuxer>(poller){}
virtual ~RtspPlayerImp(){
DebugL<<endl;
};
float getProgress() const override{
if(getDuration() > 0){
return getProgressMilliSecond() / (getDuration() * 1000);
}
return PlayerBase::getProgress();
};
void seekTo(float fProgress) override{
fProgress = MAX(float(0),MIN(fProgress,float(1.0)));
seekToMilliSecond(fProgress * getDuration() * 1000);
};
private:
//派生类回调函数
bool onCheckSDP(const string &sdp) override {
_pRtspMediaSrc = dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc);
if(_pRtspMediaSrc){
_pRtspMediaSrc->onGetSDP(sdp);
}
_delegate.reset(new RtspDemuxer(sdp));
return true;
}
void onRecvRTP(const RtpPacket::Ptr &rtp, const SdpTrack::Ptr &track) override {
if(_pRtspMediaSrc){
_pRtspMediaSrc->onWrite(rtp,true);
}
_delegate->inputRtp(rtp);
if(_maxAnalysisMS && _delegate->isInited(_maxAnalysisMS)){
PlayerImp<RtspPlayer,RtspDemuxer>::onPlayResult(SockException(Err_success,"play rtsp success"));
_maxAnalysisMS = 0;
}
}
//在RtspPlayer中触发onPlayResult事件只是代表收到play回复了
//并不代表所有track初始化成功了(这跟rtmp播放器不一样)
//如果sdp里面信息不完整只能尝试延后从rtp中恢复关键信息并初始化track
//如果超过这个时间还未获取成功那么会强制触发onPlayResult事件(虽然此时有些track还未初始化成功)
void onPlayResult(const SockException &ex) override {
//isInited判断条件无超时
if(ex || _delegate->isInited(0)){
//已经初始化成功说明sdp里面有完善的信息
PlayerImp<RtspPlayer,RtspDemuxer>::onPlayResult(ex);
}else{
//还没初始化成功说明sdp里面信息不完善还有一些track未初始化成功
_maxAnalysisMS = (*this)[Client::kMaxAnalysisMS];
}
}
private:
RtspMediaSource::Ptr _pRtspMediaSrc;
int _maxAnalysisMS = 0;
};
} /* namespace mediakit */
#endif /* SRC_RTP_RTPPARSERTESTER_H_ */