mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-27 13:49:01 +08:00
99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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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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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef SRC_RTP_RTPPARSERTESTER_H_
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#define SRC_RTP_RTPPARSERTESTER_H_
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#include <memory>
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#include <algorithm>
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#include <functional>
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#include "Common/config.h"
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#include "RtspPlayer.h"
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#include "RtspDemuxer.h"
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#include "Poller/Timer.h"
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#include "Util/TimeTicker.h"
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using namespace std;
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using namespace toolkit;
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namespace mediakit {
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class RtspPlayerImp : public PlayerImp<RtspPlayer,RtspDemuxer> {
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public:
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typedef std::shared_ptr<RtspPlayerImp> Ptr;
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RtspPlayerImp(const EventPoller::Ptr &poller) : PlayerImp<RtspPlayer, RtspDemuxer>(poller) {}
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~RtspPlayerImp() override{
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DebugL << endl;
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}
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float getProgress() const override {
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if (getDuration() > 0) {
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return getProgressMilliSecond() / (getDuration() * 1000);
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}
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return PlayerBase::getProgress();
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}
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void seekTo(float fProgress) override {
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fProgress = MAX(float(0), MIN(fProgress, float(1.0)));
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seekToMilliSecond(fProgress * getDuration() * 1000);
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}
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private:
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//派生类回调函数
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bool onCheckSDP(const string &sdp) override {
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_rtsp_media_src = dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc);
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if (_rtsp_media_src) {
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_rtsp_media_src->setSdp(sdp);
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}
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_delegate.reset(new RtspDemuxer);
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_delegate->loadSdp(sdp);
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return true;
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}
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void onRecvRTP(const RtpPacket::Ptr &rtp, const SdpTrack::Ptr &track) override {
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if (_rtsp_media_src) {
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// rtsp直接代理是无法判断该rtp是否是I帧,所以GOP缓存基本是无效的
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// 为了减少内存使用,那么我们设置为一直关键帧以便清空GOP缓存
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_rtsp_media_src->onWrite(rtp, true);
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}
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_delegate->inputRtp(rtp);
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if (_max_analysis_ms && _delegate->isInited(_max_analysis_ms)) {
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PlayerImp<RtspPlayer, RtspDemuxer>::onPlayResult(SockException(Err_success, "play rtsp success"));
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_max_analysis_ms = 0;
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}
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}
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//在RtspPlayer中触发onPlayResult事件只是代表收到play回复了,
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//并不代表所有track初始化成功了(这跟rtmp播放器不一样)
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//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
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//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)
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void onPlayResult(const SockException &ex) override {
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//isInited判断条件:无超时
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if (ex || _delegate->isInited(0)) {
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//已经初始化成功,说明sdp里面有完善的信息
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PlayerImp<RtspPlayer, RtspDemuxer>::onPlayResult(ex);
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} else {
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//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
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_max_analysis_ms = (*this)[Client::kMaxAnalysisMS];
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}
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}
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private:
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int _max_analysis_ms = 0;
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RtspMediaSource::Ptr _rtsp_media_src;
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};
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} /* namespace mediakit */
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#endif /* SRC_RTP_RTPPARSERTESTER_H_ */
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