mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-01 17:11:31 +08:00
848 lines
26 KiB
C++
848 lines
26 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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* Copyright (c) 2018 huohuo <913481084@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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#include <set>
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#include <cmath>
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#include <stdarg.h>
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#include <algorithm>
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#include "Common/config.h"
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#include "RtspPlayer.h"
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#include "H264/SPSParser.h"
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#include "Util/MD5.h"
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#include "Util/mini.h"
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#include "Util/util.h"
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#include "Util/base64.h"
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#include "Network/sockutil.h"
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using namespace ZL::Util;
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namespace ZL {
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namespace Rtsp {
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#define POP_HEAD(trackidx) \
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auto it = m_amapRtpSort[trackidx].begin(); \
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onRecvRTP_l(it->second, trackidx); \
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m_amapRtpSort[trackidx].erase(it);
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#define RTP_BUF_SIZE (4 * 1024)
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const char kRtspMd5Nonce[] = "rtsp_md5_nonce";
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const char kRtspRealm[] = "rtsp_realm";
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RtspPlayer::RtspPlayer(void){
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m_pktPool.setSize(64);
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}
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RtspPlayer::~RtspPlayer(void) {
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teardown();
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if (m_pucRtpBuf) {
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delete[] m_pucRtpBuf;
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m_pucRtpBuf = nullptr;
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}
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DebugL<<endl;
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}
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void RtspPlayer::teardown(){
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if (alive()) {
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sendRtspRequest("TEARDOWN" ,m_strContentBase);
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shutdown();
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}
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erase(kRtspMd5Nonce);
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erase(kRtspRealm);
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m_uiTrackCnt = 0;
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m_onHandshake = nullptr;
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m_uiRtpBufLen = 0;
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m_strSession.clear();
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m_uiCseq = 1;
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m_strContentBase.clear();
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CLEAR_ARR(m_apUdpSock);
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CLEAR_ARR(m_aui16LastSeq)
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CLEAR_ARR(m_aui16FirstSeq)
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CLEAR_ARR(m_aui32SsrcErrorCnt)
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CLEAR_ARR(m_aui64RtpRecv)
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CLEAR_ARR(m_aui64SeqOkCnt)
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CLEAR_ARR(m_abSortStarted)
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CLEAR_ARR(m_aui64RtpRecv)
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CLEAR_ARR(m_aui16NowSeq)
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m_amapRtpSort[0].clear();
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m_amapRtpSort[1].clear();
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m_pBeatTimer.reset();
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m_pPlayTimer.reset();
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m_pRtpTimer.reset();
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m_fSeekTo = 0;
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CLEAR_ARR(m_adFistStamp);
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CLEAR_ARR(m_adNowStamp);
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}
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void RtspPlayer::play(const char* strUrl){
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auto userAndPwd = FindField(strUrl,"://","@");
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eRtpType eType = (eRtpType)(int)(*this)[kRtpType];
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if(userAndPwd.empty()){
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play(strUrl,nullptr,nullptr,eType);
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return;
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}
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auto suffix = FindField(strUrl,"@",nullptr);
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auto url = StrPrinter << "rtsp://" << suffix << endl;
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if(userAndPwd.find(":") == string::npos){
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play(url.data(),userAndPwd.data(),nullptr,eType);
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return;
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}
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auto user = FindField(userAndPwd.data(),nullptr,":");
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auto pwd = FindField(userAndPwd.data(),":",nullptr);
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play(url.data(),user.data(),pwd.data(),eType);
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}
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//播放，指定是否走rtp over tcp
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void RtspPlayer::play(const char* strUrl, const char *strUser, const char *strPwd, eRtpType eType ) {
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DebugL << strUrl << " "
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<< (strUser ? strUser : "null") << " "
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<< (strPwd ? strPwd:"null") << " "
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<< eType;
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teardown();
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if(strUser){
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(*this)[kRtspUser] = strUser;
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}
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if(strPwd){
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(*this)[kRtspPwd] = strPwd;
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(*this)[kRtspPwdIsMD5] = false;
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}
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m_eType = eType;
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if (m_eType == RTP_TCP && !m_pucRtpBuf) {
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m_pucRtpBuf = new uint8_t[RTP_BUF_SIZE];
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}
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auto ip = FindField(strUrl, "://", "/");
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if (!ip.size()) {
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ip = FindField(strUrl, "://", NULL);
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}
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auto port = atoi(FindField(ip.c_str(), ":", NULL).c_str());
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if (port <= 0) {
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//rtsp 默认端口554
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port = 554;
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} else {
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//服务器域名
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ip = FindField(ip.c_str(), NULL, ":");
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}
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m_strUrl = strUrl;
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if(!(*this)[PlayerBase::kNetAdapter].empty()){
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setNetAdapter((*this)[PlayerBase::kNetAdapter]);
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}
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startConnect(ip.data(), port);
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}
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void RtspPlayer::onConnect(const SockException &err){
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if(err.getErrCode()!=Err_success) {
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onPlayResult_l(err);
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teardown();
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return;
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}
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sendDescribe();
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weak_ptr<RtspPlayer> weakSelf = dynamic_pointer_cast<RtspPlayer>(shared_from_this());
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m_pPlayTimer.reset( new Timer(10, [weakSelf]() {
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auto strongSelf=weakSelf.lock();
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if(!strongSelf) {
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return false;
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}
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strongSelf->onPlayResult_l(SockException(Err_timeout,"play rtsp timeout"));
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strongSelf->teardown();
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return false;
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},getExecutor()));
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}
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void RtspPlayer::onRecv(const Buffer::Ptr& pBuf) {
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const char *buf = pBuf->data();
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int size = pBuf->size();
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if (m_onHandshake) {
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//rtsp回复
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int offset = 0;
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while(offset < size - 4){
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char *pos = (char *)memchr(buf + offset, 'R', size - offset);
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if(pos == NULL){
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break;
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}
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if(memcmp(pos, "RTSP", 4) == 0){
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try {
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pos += onProcess(pos);
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} catch (std::exception &err) {
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SockException ex(Err_other, err.what());
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onPlayResult_l(ex);
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onShutdown_l(ex);
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teardown();
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return;
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}
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}else{
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pos += 1;
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}
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offset = pos - buf;
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}
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}
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if (m_eType == RTP_TCP && m_pucRtpBuf) {
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//RTP data
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while (size > 0) {
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int added = RTP_BUF_SIZE - m_uiRtpBufLen;
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added = (added > size ? size : added);
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memcpy(m_pucRtpBuf + m_uiRtpBufLen, buf, added);
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m_uiRtpBufLen += added;
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size -= added;
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buf += added;
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splitRtp(m_pucRtpBuf, m_uiRtpBufLen);
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}
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}
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}
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void RtspPlayer::onErr(const SockException &ex) {
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onShutdown_l (ex);
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}
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// from live555
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bool RtspPlayer::handleAuthenticationFailure(const string ¶msStr) {
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if(!(*this)[kRtspRealm].empty()){
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//已经认证过了
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return false;
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}
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char *realm = new char[paramsStr.size()];
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char *nonce = new char[paramsStr.size()];
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char *stale = new char[paramsStr.size()];
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onceToken token(nullptr,[&](){
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delete[] realm;
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delete[] nonce;
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delete[] stale;
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});
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if (sscanf(paramsStr.data(), "Digest realm=\"%[^\"]\", nonce=\"%[^\"]\", stale=%[a-zA-Z]", realm, nonce, stale) == 3) {
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(*this)[kRtspRealm] = (const char *)realm;
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(*this)[kRtspMd5Nonce] = (const char *)nonce;
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return true;
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}
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if (sscanf(paramsStr.data(), "Digest realm=\"%[^\"]\", nonce=\"%[^\"]\"", realm, nonce) == 2) {
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(*this)[kRtspRealm] = (const char *)realm;
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(*this)[kRtspMd5Nonce] = (const char *)nonce;
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return true;
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}
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if (sscanf(paramsStr.data(), "Basic realm=\"%[^\"]\"", realm) == 1) {
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(*this)[kRtspRealm] = (const char *)realm;
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return true;
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}
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return false;
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}
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void RtspPlayer::handleResDESCRIBE(const Parser& parser) {
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string authInfo = parser["WWW-Authenticate"];
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//发送DESCRIBE命令后的回复
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if ((parser.Url() == "401") && handleAuthenticationFailure(authInfo)) {
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sendDescribe();
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return;
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}
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if (parser.Url() != "200") {
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throw std::runtime_error(
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StrPrinter << "DESCRIBE:" << parser.Url() << " " << parser.Tail() << endl);
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}
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auto strSdp = parser.Content();
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m_strContentBase = parser["Content-Base"];
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if(m_strContentBase.empty()){
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m_strContentBase = m_strUrl;
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}
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if (m_strContentBase.back() == '/') {
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m_strContentBase.pop_back();
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}
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auto iLen = atoi(parser["Content-Length"].data());
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if(iLen > 0){
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strSdp.erase(iLen);
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}
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//解析sdp
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m_uiTrackCnt = parserSDP(strSdp, m_aTrackInfo);
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for (unsigned int i=0; i<m_uiTrackCnt; i++) {
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m_aTrackInfo[i].ssrc=0;
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m_aui32SsrcErrorCnt[i]=0;
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}
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if (!m_uiTrackCnt) {
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throw std::runtime_error("解析SDP失败");
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}
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if (!onCheckSDP(strSdp, m_aTrackInfo, m_uiTrackCnt)) {
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throw std::runtime_error("onCheckSDP faied");
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}
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sendSetup(0);
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}
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//发送SETUP命令
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bool RtspPlayer::sendSetup(unsigned int trackIndex) {
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m_onHandshake = std::bind(&RtspPlayer::handleResSETUP,this, placeholders::_1,trackIndex);
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auto &track = m_aTrackInfo[trackIndex];
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auto baseUrl = m_strContentBase + "/" + track.controlSuffix;
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switch (m_eType) {
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case RTP_TCP: {
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StrCaseMap header;
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header["Transport"] = StrPrinter << "RTP/AVP/TCP;unicast;interleaved=" << track.type * 2 << "-" << track.type * 2 + 1;
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return sendRtspRequest("SETUP",baseUrl,header);
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}
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break;
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case RTP_MULTICAST: {
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StrCaseMap header;
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header["Transport"] = "Transport: RTP/AVP;multicast";
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return sendRtspRequest("SETUP",baseUrl,header);
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}
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break;
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case RTP_UDP: {
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m_apUdpSock[trackIndex].reset(new Socket());
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if (!m_apUdpSock[trackIndex]->bindUdpSock(0, get_local_ip().data())) {
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m_apUdpSock[trackIndex].reset();
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throw std::runtime_error("open udp sock err");
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}
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int port = m_apUdpSock[trackIndex]->get_local_port();
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StrCaseMap header;
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header["Transport"] = StrPrinter << "RTP/AVP;unicast;client_port=" << port << "-" << port + 1;
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return sendRtspRequest("SETUP",baseUrl,header);
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}
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break;
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default:
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return false;
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break;
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}
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}
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void RtspPlayer::handleResSETUP(const Parser &parser, unsigned int uiTrackIndex) {
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if (parser.Url() != "200") {
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throw std::runtime_error(
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StrPrinter << "SETUP:" << parser.Url() << " " << parser.Tail() << endl);
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}
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if (uiTrackIndex == 0) {
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m_strSession = parser["Session"];
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m_strSession.append(";");
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m_strSession = FindField(m_strSession.data(), nullptr, ";");
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}
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auto strTransport = parser["Transport"];
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if(strTransport.find("TCP") != string::npos){
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m_eType = RTP_TCP;
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}else if(strTransport.find("multicast") != string::npos){
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m_eType = RTP_MULTICAST;
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}else{
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m_eType = RTP_UDP;
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}
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if(m_eType == RTP_TCP) {
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string interleaved = FindField( FindField((strTransport + ";").c_str(), "interleaved=", ";").c_str(), NULL, "-");
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m_aTrackInfo[uiTrackIndex].interleaved = atoi(interleaved.c_str());
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}else{
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const char *strPos = (m_eType == RTP_MULTICAST ? "port=" : "server_port=") ;
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auto port_str = FindField((strTransport + ";").c_str(), strPos, ";");
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uint16_t port = atoi(FindField(port_str.c_str(), NULL, "-").c_str());
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auto &pUdpSockRef = m_apUdpSock[uiTrackIndex];
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if(!pUdpSockRef){
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pUdpSockRef.reset(new Socket());
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}
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if (m_eType == RTP_MULTICAST) {
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auto multiAddr = FindField((strTransport + ";").c_str(), "destination=", ";");
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if (!pUdpSockRef->bindUdpSock(port, "0.0.0.0")) {
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pUdpSockRef.reset();
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throw std::runtime_error("open udp sock err");
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}
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auto fd = pUdpSockRef->rawFD();
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if (-1 == SockUtil::joinMultiAddrFilter(fd, multiAddr.data(), get_peer_ip().data(),get_local_ip().data())) {
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SockUtil::joinMultiAddr(fd, multiAddr.data(),get_local_ip().data());
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}
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} else {
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struct sockaddr_in rtpto;
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rtpto.sin_port = ntohs(port);
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rtpto.sin_family = AF_INET;
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rtpto.sin_addr.s_addr = inet_addr(get_peer_ip().c_str());
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pUdpSockRef->send("\xce\xfa\xed\xfe", 4,SOCKET_DEFAULE_FLAGS, (struct sockaddr *) &rtpto);
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}
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}
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if (uiTrackIndex < m_uiTrackCnt - 1) {
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//需要继续发送SETUP命令
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sendSetup(uiTrackIndex + 1);
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return;
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}
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for (unsigned int i = 0; i < m_uiTrackCnt && m_eType != RTP_TCP; i++) {
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auto &pUdpSockRef = m_apUdpSock[i];
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if(!pUdpSockRef){
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continue;
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}
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auto srcIP = inet_addr(get_peer_ip().data());
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weak_ptr<RtspPlayer> weakSelf = dynamic_pointer_cast<RtspPlayer>(shared_from_this());
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pUdpSockRef->setOnRead([srcIP,i,weakSelf](const Buffer::Ptr &buf, struct sockaddr *addr) {
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auto strongSelf=weakSelf.lock();
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if(!strongSelf) {
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return;
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}
|
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if(((struct sockaddr_in *)addr)->sin_addr.s_addr != srcIP) {
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WarnL << "收到请他地址的UDP数据:" << inet_ntoa(((struct sockaddr_in *) addr)->sin_addr);
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return;
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}
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strongSelf->handleOneRtp(i,(unsigned char *)buf->data(),buf->size());
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});
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}
|
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/////////////////////////心跳/////////////////////////////////
|
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weak_ptr<RtspPlayer> weakSelf = dynamic_pointer_cast<RtspPlayer>(shared_from_this());
|
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m_pBeatTimer.reset(new Timer(5, [weakSelf](){
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auto strongSelf = weakSelf.lock();
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if (!strongSelf){
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return false;
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}
|
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return strongSelf->sendOptions();
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},getExecutor()));
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pause(false);
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}
|
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bool RtspPlayer::sendOptions() {
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m_onHandshake = [](const Parser& parser){
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return true;
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};
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return sendRtspRequest("OPTIONS",m_strContentBase);
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}
|
||
|
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bool RtspPlayer::sendDescribe() {
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//发送DESCRIBE命令后处理函数:handleResDESCRIBE
|
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m_onHandshake = std::bind(&RtspPlayer::handleResDESCRIBE,this, placeholders::_1);
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StrCaseMap header;
|
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header["Accept"] = "application/sdp";
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return sendRtspRequest("DESCRIBE",m_strUrl,header);
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}
|
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|
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|
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bool RtspPlayer::sendPause(bool bPause,float fTime){
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if(!bPause){
|
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//修改时间轴
|
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m_aNowStampTicker[0].resetTime();
|
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m_aNowStampTicker[1].resetTime();
|
||
float iTimeInc = fTime - getProgressTime();
|
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for(unsigned int i = 0 ;i < m_uiTrackCnt ;i++){
|
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if (m_aTrackInfo[i].type == TrackVideo) {
|
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m_adFistStamp[i] = m_adNowStamp[i] + iTimeInc * 90000.0;
|
||
}else if (m_aTrackInfo[i].type == TrackAudio){
|
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//todo(xzl) 修复此处
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// m_adFistStamp[i] = m_adNowStamp[i] + iTimeInc * getAudioSampleRate();
|
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}
|
||
m_adNowStamp[i] = m_adFistStamp[i];
|
||
}
|
||
m_fSeekTo = fTime;
|
||
}
|
||
|
||
//开启或暂停rtsp
|
||
m_onHandshake = std::bind(&RtspPlayer::handleResPAUSE,this, placeholders::_1,bPause);
|
||
|
||
StrCaseMap header;
|
||
char buf[8];
|
||
sprintf(buf,"%.2f",fTime);
|
||
header["Range"] = StrPrinter << "npt=" << buf << "-";
|
||
return sendRtspRequest(bPause ? "PAUSE" : "PLAY",m_strContentBase,header);
|
||
}
|
||
void RtspPlayer::pause(bool bPause) {
|
||
sendPause(bPause,getProgressTime());
|
||
}
|
||
|
||
void RtspPlayer::handleResPAUSE(const Parser& parser, bool bPause) {
|
||
if (parser.Url() != "200") {
|
||
WarnL <<(bPause ? "Pause" : "Play") << " failed:" << parser.Url() << " " << parser.Tail() << endl;
|
||
return;
|
||
}
|
||
if (!bPause) {
|
||
//修正时间轴
|
||
m_aNowStampTicker[0].resetTime();
|
||
m_aNowStampTicker[1].resetTime();
|
||
auto strRange = parser["Range"];
|
||
if (strRange.size()) {
|
||
auto strStart = FindField(strRange.data(), "npt=", "-");
|
||
if (strStart == "now") {
|
||
strStart = "0";
|
||
}
|
||
m_fSeekTo = atof(strStart.data());
|
||
DebugL << "Range:" << m_fSeekTo << " " << strStart ;
|
||
}
|
||
auto strRtpInfo = parser["RTP-Info"];
|
||
if (strRtpInfo.size()) {
|
||
strRtpInfo.append(",");
|
||
vector<string> vec = split(strRtpInfo, ",");
|
||
for(auto &strTrack : vec){
|
||
strTrack.append(";");
|
||
auto strControlSuffix = strTrack.substr(1 + strTrack.rfind('/'),strTrack.find(';') - strTrack.rfind('/') - 1);
|
||
auto strRtpTime = FindField(strTrack.data(), "rtptime=", ";");
|
||
auto iIdx = getTrackIndexByControlSuffix(strControlSuffix);
|
||
m_adFistStamp[iIdx] = atoll(strRtpTime.data());
|
||
m_adNowStamp[iIdx] = m_adFistStamp[iIdx];
|
||
DebugL << "rtptime:" << strControlSuffix <<" " << strRtpTime;
|
||
}
|
||
}
|
||
onPlayResult_l(SockException(Err_success, "rtsp play success"));
|
||
} else {
|
||
m_pRtpTimer.reset();
|
||
}
|
||
}
|
||
|
||
int RtspPlayer::onProcess(const char* pcBuf) {
|
||
auto strRtsp = FindField(pcBuf, "RTSP", "\r\n\r\n");
|
||
if(strRtsp.empty()){
|
||
return 4;
|
||
}
|
||
|
||
strRtsp = string("RTSP") + strRtsp + "\r\n\r\n";
|
||
Parser parser;
|
||
parser.Parse(strRtsp.data());
|
||
int iLen = 0;
|
||
if (parser.Url() == "200") {
|
||
iLen = atoi(parser["Content-Length"].data());
|
||
if (iLen) {
|
||
string strContent(pcBuf + strRtsp.size(), iLen);
|
||
parser.setContent(strContent);
|
||
}
|
||
}
|
||
auto fun = m_onHandshake;
|
||
m_onHandshake = nullptr;
|
||
if(fun){
|
||
fun(parser);
|
||
}
|
||
parser.Clear();
|
||
return strRtsp.size() + iLen;
|
||
}
|
||
|
||
|
||
void RtspPlayer::splitRtp(unsigned char* pucRtp, unsigned int uiLen) {
|
||
unsigned char* rtp_ptr = pucRtp;
|
||
while (uiLen >= 4) {
|
||
if (rtp_ptr[0] == '$') {
|
||
//通道0
|
||
uint8_t interleaved = rtp_ptr[1];
|
||
uint16_t length = (rtp_ptr[2] << 8) | rtp_ptr[3];
|
||
if (length > 1600) {
|
||
//没有大于MTU的包
|
||
//WarnL << "没有大于MTU的包:" << length;
|
||
rtp_ptr += 1;
|
||
uiLen -= 1;
|
||
continue;
|
||
}
|
||
if ((unsigned int) length + 4 + 4 > uiLen) {
|
||
//buf 太小,还没到该RTP包的结尾
|
||
break;
|
||
}
|
||
auto nextPkt = rtp_ptr + length + 4;
|
||
if (*nextPkt != '$' && memcmp(nextPkt,"RTSP",4)!=0 ) {
|
||
//没有找到该包的尾部
|
||
//WarnL << "没有找到该包的尾部";
|
||
rtp_ptr += 1;
|
||
uiLen -= 1;
|
||
continue;
|
||
}
|
||
int trackIdx = -1;
|
||
if(interleaved %2 ==0){
|
||
trackIdx = getTrackIndexByInterleaved(interleaved);
|
||
}
|
||
if (trackIdx != -1) {
|
||
handleOneRtp(trackIdx, rtp_ptr + 4, length);
|
||
}
|
||
rtp_ptr += (length + 4);
|
||
uiLen -= (length + 4);
|
||
continue;
|
||
}
|
||
unsigned char *pos = (unsigned char *) memchr(rtp_ptr + 1, '$', uiLen - 1);
|
||
if (pos == NULL) {
|
||
//缓存里面没有任何RTP包
|
||
//WarnL << "缓存里面没有任何RTP包";
|
||
uiLen = 0;
|
||
break;
|
||
}
|
||
//有RTP包起始头
|
||
uiLen -= (pos - rtp_ptr);
|
||
rtp_ptr = pos;
|
||
}
|
||
m_uiRtpBufLen = uiLen;
|
||
if (rtp_ptr != pucRtp) {
|
||
memmove(pucRtp, rtp_ptr, uiLen);
|
||
}
|
||
}
|
||
|
||
|
||
# define AV_RB16(x) \
|
||
((((const uint8_t*)(x))[0] << 8) | \
|
||
((const uint8_t*)(x))[1])
|
||
|
||
|
||
bool RtspPlayer::handleOneRtp(int iTrackidx, unsigned char *pucData, unsigned int uiLen) {
|
||
auto &track = m_aTrackInfo[iTrackidx];
|
||
auto pt_ptr=m_pktPool.obtain();
|
||
auto &rtppt=*pt_ptr;
|
||
rtppt.interleaved = track.interleaved;
|
||
rtppt.length = uiLen + 4;
|
||
|
||
rtppt.mark = pucData[1] >> 7;
|
||
rtppt.PT = pucData[1] & 0x7F;
|
||
//序列号
|
||
memcpy(&rtppt.sequence,pucData+2,2);//内存对齐
|
||
rtppt.sequence = ntohs(rtppt.sequence);
|
||
//时间戳
|
||
memcpy(&rtppt.timeStamp, pucData+4, 4);//内存对齐
|
||
rtppt.timeStamp = ntohl(rtppt.timeStamp);
|
||
//ssrc
|
||
memcpy(&rtppt.ssrc,pucData+8,4);//内存对齐
|
||
rtppt.ssrc = ntohl(rtppt.ssrc);
|
||
rtppt.type = track.type;
|
||
if (track.ssrc == 0) {
|
||
track.ssrc = rtppt.ssrc;
|
||
//保存SSRC
|
||
} else if (track.ssrc != rtppt.ssrc) {
|
||
//ssrc错误
|
||
WarnL << "ssrc错误";
|
||
if (m_aui32SsrcErrorCnt[iTrackidx]++ > 10) {
|
||
track.ssrc = rtppt.ssrc;
|
||
WarnL << "ssrc更换!";
|
||
}
|
||
return false;
|
||
}
|
||
m_aui32SsrcErrorCnt[iTrackidx] = 0;
|
||
|
||
rtppt.payload[0] = '$';
|
||
rtppt.payload[1] = rtppt.interleaved;
|
||
rtppt.payload[2] = (uiLen & 0xFF00) >> 8;
|
||
rtppt.payload[3] = (uiLen & 0x00FF);
|
||
|
||
rtppt.offset = 16;
|
||
int csrc = pucData[0] & 0x0f;
|
||
int ext = pucData[0] & 0x10;
|
||
rtppt.offset += 4 * csrc;
|
||
if (ext) {
|
||
if(uiLen < rtppt.offset){
|
||
return false;
|
||
}
|
||
/* calculate the header extension length (stored as number of 32-bit words) */
|
||
ext = (AV_RB16(pucData + rtppt.offset - 2) + 1) << 2;
|
||
rtppt.offset += ext;
|
||
}
|
||
|
||
memcpy(rtppt.payload + 4, pucData, uiLen);
|
||
|
||
/////////////////////////////////RTP排序逻辑///////////////////////////////////
|
||
if(rtppt.sequence != (uint16_t)(m_aui16LastSeq[iTrackidx] + 1) && m_aui16LastSeq[iTrackidx] != 0){
|
||
//包乱序或丢包
|
||
m_aui64SeqOkCnt[iTrackidx] = 0;
|
||
m_abSortStarted[iTrackidx] = true;
|
||
//WarnL << "包乱序或丢包:" << trackidx <<" " << rtppt.sequence << " " << m_aui16LastSeq[trackidx];
|
||
}else{
|
||
//正确序列的包
|
||
m_aui64SeqOkCnt[iTrackidx]++;
|
||
}
|
||
m_aui16LastSeq[iTrackidx] = rtppt.sequence;
|
||
|
||
//开始排序缓存
|
||
if (m_abSortStarted[iTrackidx]) {
|
||
m_amapRtpSort[iTrackidx].emplace(rtppt.sequence, pt_ptr);
|
||
GET_CONFIG_AND_REGISTER(uint32_t,clearCount,Config::Rtp::kClearCount);
|
||
GET_CONFIG_AND_REGISTER(uint32_t,maxRtpCount,Config::Rtp::kMaxRtpCount);
|
||
if (m_aui64SeqOkCnt[iTrackidx] >= clearCount) {
|
||
//网络环境改善，需要清空排序缓存
|
||
m_aui64SeqOkCnt[iTrackidx] = 0;
|
||
m_abSortStarted[iTrackidx] = false;
|
||
while (m_amapRtpSort[iTrackidx].size()) {
|
||
POP_HEAD(iTrackidx)
|
||
}
|
||
} else if (m_amapRtpSort[iTrackidx].size() >= maxRtpCount) {
|
||
//排序缓存溢出
|
||
POP_HEAD(iTrackidx)
|
||
}
|
||
}else{
|
||
//正确序列
|
||
onRecvRTP_l(pt_ptr, iTrackidx);
|
||
}
|
||
//////////////////////////////////////////////////////////////////////////////////
|
||
return true;
|
||
}
|
||
void RtspPlayer::onRecvRTP_l(const RtpPacket::Ptr &rtppt, int trackidx){
|
||
//统计丢包率
|
||
if (m_aui16FirstSeq[trackidx] == 0 || rtppt->sequence < m_aui16FirstSeq[trackidx]) {
|
||
m_aui16FirstSeq[trackidx] = rtppt->sequence;
|
||
m_aui64RtpRecv[trackidx] = 0;
|
||
}
|
||
m_aui64RtpRecv[trackidx] ++;
|
||
m_aui16NowSeq[trackidx] = rtppt->sequence;
|
||
|
||
if (m_aNowStampTicker[trackidx].elapsedTime() > 500) {
|
||
m_adNowStamp[trackidx] = rtppt->timeStamp;
|
||
}
|
||
|
||
onRecvRTP_l(rtppt,m_aTrackInfo[trackidx]);
|
||
}
|
||
float RtspPlayer::getRtpLossRate(int iTrackType) const{
|
||
int iTrackIdx = getTrackIndexByTrackType((TrackType)iTrackType);
|
||
if(iTrackIdx == -1){
|
||
uint64_t totalRecv = 0;
|
||
uint64_t totalSend = 0;
|
||
for (unsigned int i = 0; i < m_uiTrackCnt; i++) {
|
||
totalRecv += m_aui64RtpRecv[i];
|
||
totalSend += (m_aui16NowSeq[i] - m_aui16FirstSeq[i] + 1);
|
||
}
|
||
if(totalSend == 0){
|
||
return 0;
|
||
}
|
||
return 1.0 - (double)totalRecv / totalSend;
|
||
}
|
||
|
||
|
||
if(m_aui16NowSeq[iTrackIdx] - m_aui16FirstSeq[iTrackIdx] + 1 == 0){
|
||
return 0;
|
||
}
|
||
return 1.0 - (double)m_aui64RtpRecv[iTrackIdx] / (m_aui16NowSeq[iTrackIdx] - m_aui16FirstSeq[iTrackIdx] + 1);
|
||
}
|
||
|
||
float RtspPlayer::getProgressTime() const{
|
||
double iTime[2] = {0,0};
|
||
for(unsigned int i = 0 ;i < m_uiTrackCnt ;i++){
|
||
if (m_aTrackInfo[i].type == TrackVideo) {
|
||
iTime[i] = (m_adNowStamp[i] - m_adFistStamp[i]) / 90000.0;
|
||
}else if (m_aTrackInfo[i].type == TrackAudio){
|
||
//todo(xzl) 修复此处
|
||
#if 0
|
||
iTime[i] = (m_adNowStamp[i] - m_adFistStamp[i]) / getAudioSampleRate();
|
||
#endif
|
||
}
|
||
}
|
||
return m_fSeekTo + MAX(iTime[0],iTime[1]);
|
||
}
|
||
void RtspPlayer::seekToTime(float fTime) {
|
||
sendPause(false,fTime);
|
||
}
|
||
|
||
bool RtspPlayer::sendRtspRequest(const string &cmd, const string &url,const StrCaseMap &header_const) {
|
||
auto header = header_const;
|
||
header.emplace("CSeq",StrPrinter << m_uiCseq++);
|
||
if(!m_strSession.empty()){
|
||
header.emplace("Session",m_strSession);
|
||
}
|
||
|
||
if(!(*this)[kRtspRealm].empty() && !(*this)[PlayerBase::kRtspUser].empty()){
|
||
if(!(*this)[kRtspMd5Nonce].empty()){
|
||
//MD5认证
|
||
/*
|
||
response计算方法如下：
|
||
RTSP客户端应该使用username + password并计算response如下:
|
||
(1)当password为MD5编码,则
|
||
response = md5( password:nonce:md5(public_method:url) );
|
||
(2)当password为ANSI字符串,则
|
||
response= md5( md5(username:realm:password):nonce:md5(public_method:url) );
|
||
*/
|
||
string encrypted_pwd = (*this)[PlayerBase::kRtspPwd];
|
||
if(!(*this)[PlayerBase::kRtspPwdIsMD5].as<bool>()){
|
||
encrypted_pwd = MD5((*this)[PlayerBase::kRtspUser]+ ":" + (*this)[kRtspRealm] + ":" + encrypted_pwd).hexdigest();
|
||
}
|
||
auto response = MD5( encrypted_pwd + ":" + (*this)[kRtspMd5Nonce] + ":" + MD5(cmd + ":" + url).hexdigest()).hexdigest();
|
||
_StrPrinter printer;
|
||
printer << "Digest ";
|
||
printer << "username=\"" << (*this)[PlayerBase::kRtspUser] << "\", ";
|
||
printer << "realm=\"" << (*this)[kRtspRealm] << "\", ";
|
||
printer << "nonce=\"" << (*this)[kRtspMd5Nonce] << "\", ";
|
||
printer << "uri=\"" << url << "\", ";
|
||
printer << "response=\"" << response << "\"";
|
||
header.emplace("Authorization",printer);
|
||
}else if(!(*this)[PlayerBase::kRtspPwdIsMD5].as<bool>()){
|
||
//base64认证
|
||
string authStr = StrPrinter << (*this)[PlayerBase::kRtspUser] << ":" << (*this)[PlayerBase::kRtspPwd];
|
||
char authStrBase64[1024] = {0};
|
||
av_base64_encode(authStrBase64,sizeof(authStrBase64),(uint8_t *)authStr.data(),authStr.size());
|
||
header.emplace("Authorization",StrPrinter << "Basic " << authStrBase64 );
|
||
}
|
||
}
|
||
|
||
_StrPrinter printer;
|
||
printer << cmd << " " << url << " RTSP/1.0\r\n";
|
||
for (auto &pr : header){
|
||
printer << pr.first << ": " << pr.second << "\r\n";
|
||
}
|
||
return send(printer << "\r\n") > 0;
|
||
}
|
||
|
||
|
||
void RtspPlayer::onShutdown_l(const SockException &ex) {
|
||
WarnL << ex.getErrCode() << " " << ex.what();
|
||
m_pPlayTimer.reset();
|
||
m_pRtpTimer.reset();
|
||
m_pBeatTimer.reset();
|
||
onShutdown(ex);
|
||
}
|
||
void RtspPlayer::onRecvRTP_l(const RtpPacket::Ptr &pRtppt, const RtspTrack &track) {
|
||
m_rtpTicker.resetTime();
|
||
onRecvRTP(pRtppt,track);
|
||
}
|
||
void RtspPlayer::onPlayResult_l(const SockException &ex) {
|
||
WarnL << ex.getErrCode() << " " << ex.what();
|
||
m_pPlayTimer.reset();
|
||
m_pRtpTimer.reset();
|
||
if (!ex) {
|
||
m_rtpTicker.resetTime();
|
||
weak_ptr<RtspPlayer> weakSelf = dynamic_pointer_cast<RtspPlayer>(shared_from_this());
|
||
m_pRtpTimer.reset( new Timer(5, [weakSelf]() {
|
||
auto strongSelf=weakSelf.lock();
|
||
if(!strongSelf) {
|
||
return false;
|
||
}
|
||
if(strongSelf->m_rtpTicker.elapsedTime()>10000) {
|
||
//recv rtp timeout!
|
||
strongSelf->onShutdown_l(SockException(Err_timeout,"recv rtp timeout"));
|
||
strongSelf->teardown();
|
||
return false;
|
||
}
|
||
return true;
|
||
},getExecutor()));
|
||
}
|
||
onPlayResult(ex);
|
||
}
|
||
|
||
int RtspPlayer::getTrackIndexByControlSuffix(const string &controlSuffix) const{
|
||
for (unsigned int i = 0; i < m_uiTrackCnt; i++) {
|
||
if (m_aTrackInfo[i].controlSuffix == controlSuffix) {
|
||
return i;
|
||
}
|
||
}
|
||
return -1;
|
||
}
|
||
int RtspPlayer::getTrackIndexByInterleaved(int interleaved) const{
|
||
for (unsigned int i = 0; i < m_uiTrackCnt; i++) {
|
||
if (m_aTrackInfo[i].interleaved == interleaved) {
|
||
return i;
|
||
}
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
int RtspPlayer::getTrackIndexByTrackType(TrackType trackType) const {
|
||
for (unsigned int i = 0; i < m_uiTrackCnt; i++) {
|
||
if (m_aTrackInfo[i].type == trackType) {
|
||
return i;
|
||
}
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
} /* namespace Rtsp */
|
||
} /* namespace ZL */
|
||
|
||
|