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https://github.com/ZLMediaKit/ZLMediaKit.git
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初步提交2.0版本，支持虚拟主机
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xiongziliang
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177
src/Common/MediaSource.cpp
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177
src/Common/MediaSource.cpp
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/*
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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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*
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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 "MediaSource.h"
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#include "MediaFile/MediaReader.h"
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#include "Util/util.h"
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#include "Rtsp/Rtsp.h"
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using namespace ZL::Util;
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using namespace ZL::MediaFile;
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namespace ZL {
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namespace Media {
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recursive_mutex MediaSource::g_mtxMediaSrc;
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MediaSource::SchemaVhostAppStreamMap MediaSource::g_mapMediaSrc;
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MediaSource::Ptr MediaSource::find(
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const string &schema,
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const string &vhost_tmp,
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const string &app,
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const string &id,
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bool bMake) {
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string vhost = vhost_tmp;
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if(vhost.empty()){
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vhost = DEFAULT_VHOST;
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}
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lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
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MediaSource::Ptr ret;
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searchMedia(schema, vhost, app, id,
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[&](SchemaVhostAppStreamMap::iterator &it0 ,
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VhostAppStreamMap::iterator &it1,
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AppStreamMap::iterator &it2,
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StreamMap::iterator &it3){
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ret = it3->second.lock();
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if(!ret){
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//该对象已经销毁
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it2->second.erase(it3);
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eraseIfEmpty(it0,it1,it2);
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return false;
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}
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return true;
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});
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if(!ret && bMake){
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//查找某一媒体源，找到后返回
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ret = MediaReader::onMakeMediaSource(schema, vhost,app,id);
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}
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return ret;
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}
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bool MediaSource::regist() {
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//注册该源，注册后服务器才能找到该源
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lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
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auto pr = g_mapMediaSrc[m_strSchema][m_strVhost][m_strApp].emplace(m_strId,shared_from_this());
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auto success = pr.second;
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if(success){
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InfoL << m_strSchema << " " << m_strVhost << " " << m_strApp << " " << m_strId;
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NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged,
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true,
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m_strSchema.data(),
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m_strVhost.data(),
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m_strApp.data(),
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m_strId.data());
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}
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return success;
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}
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bool MediaSource::unregist() {
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//反注册该源
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lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
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return searchMedia(m_strSchema, m_strVhost, m_strApp, m_strId, [&](SchemaVhostAppStreamMap::iterator &it0 ,
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VhostAppStreamMap::iterator &it1,
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AppStreamMap::iterator &it2,
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StreamMap::iterator &it3){
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auto strongMedia = it3->second.lock();
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if(strongMedia && this != strongMedia.get()){
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//不是自己,不允许反注册
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return false;
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}
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it2->second.erase(it3);
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eraseIfEmpty(it0,it1,it2);
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unregisted();
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return true;
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});
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}
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void MediaSource::unregisted(){
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InfoL << "" << m_strSchema << " " << m_strVhost << " " << m_strApp << " " << m_strId;
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NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged,
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false,
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m_strSchema.data(),
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m_strVhost.data(),
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m_strApp.data(),
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m_strId.data());
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}
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void MediaInfo::parse(const string &url){
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//string url = "rtsp://127.0.0.1:8554/live/id?key=val&a=1&&b=2&vhost=vhost.com";
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auto schema_pos = url.find("://");
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if(schema_pos != string::npos){
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m_schema = url.substr(0,schema_pos);
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}else{
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schema_pos = -3;
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}
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auto split_vec = split(url.substr(schema_pos + 3),"/");
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if(split_vec.size() > 0){
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auto vhost = split_vec[0];
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auto pos = vhost.find(":");
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if(pos != string::npos){
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m_host = m_vhost = vhost.substr(0,pos);
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m_port = vhost.substr(pos + 1);
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} else{
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m_host = m_vhost = vhost;
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}
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}
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if(split_vec.size() > 1){
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m_app = split_vec[1];
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}
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if(split_vec.size() > 2){
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string steamid;
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for(int i = 2 ; i < split_vec.size() ; ++i){
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steamid.append(split_vec[i] + "/");
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}
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if(steamid.back() == '/'){
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steamid.pop_back();
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}
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auto pos = steamid.find("?");
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if(pos != string::npos){
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m_streamid = steamid.substr(0,pos);
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auto params = steamid.substr(pos + 1);
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m_params = Parser::parseArgs(params);
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if(m_params.find(VHOST_KEY) != m_params.end()){
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m_vhost = m_params[VHOST_KEY];
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}
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} else{
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m_streamid = steamid;
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}
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}
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if(m_vhost.empty()){
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//无效vhost
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m_vhost = DEFAULT_VHOST;
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}else{
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struct in_addr addr;
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if(0 != inet_aton(m_vhost.data(),&addr)){
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//这是ip,未指定vhost;使用默认vhost
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m_vhost = DEFAULT_VHOST;
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}
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}
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}
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} /* namespace Media */
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} /* namespace ZL */
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212
src/Common/MediaSource.h
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212
src/Common/MediaSource.h
Normal file
@ -0,0 +1,212 @@
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/*
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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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*
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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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#ifndef ZLMEDIAKIT_MEDIASOURCE_H
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#define ZLMEDIAKIT_MEDIASOURCE_H
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#include <mutex>
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#include <string>
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#include <memory>
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#include <functional>
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#include <unordered_map>
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#include "Common/config.h"
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#include "Util/logger.h"
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#include "Util/TimeTicker.h"
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#include "Util/NoticeCenter.h"
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#include "Rtsp/Rtsp.h"
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#include <arpa/inet.h>
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using namespace std;
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using namespace Config;
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using namespace ZL::Util;
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namespace ZL {
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namespace Media {
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class MediaSourceEvent
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{
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public:
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MediaSourceEvent(){};
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virtual ~MediaSourceEvent(){};
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public:
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virtual bool seekTo(uint32_t ui32Stamp){
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return false;
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}
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virtual uint32_t getStamp() {
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return 0;
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}
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};
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class MediaInfo
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{
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public:
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MediaInfo(){}
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MediaInfo(const string &url){
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parse(url);
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}
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~MediaInfo(){}
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void parse(const string &url);
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string &operator[](const string &key){
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return m_params[key];
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}
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public:
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string m_schema;
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string m_host;
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string m_port;
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string m_vhost;
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string m_app;
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string m_streamid;
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StrCaseMap m_params;
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};
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class MediaSource: public enable_shared_from_this<MediaSource> {
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public:
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typedef std::shared_ptr<MediaSource> Ptr;
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typedef unordered_map<string, weak_ptr<MediaSource> > StreamMap;
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typedef unordered_map<string, StreamMap > AppStreamMap;
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typedef unordered_map<string, AppStreamMap > VhostAppStreamMap;
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typedef unordered_map<string, VhostAppStreamMap > SchemaVhostAppStreamMap;
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MediaSource(const string &strSchema,
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const string &strVhost,
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const string &strApp,
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const string &strId) :
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m_strSchema(strSchema),
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m_strApp(strApp),
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m_strId(strId) {
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if(strVhost.empty()){
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m_strVhost = DEFAULT_VHOST;
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}else{
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m_strVhost = strVhost;
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}
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}
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virtual ~MediaSource() {
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unregist();
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}
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virtual bool regist() ;
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virtual bool unregist() ;
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static Ptr find(const string &schema,
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const string &vhost,
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const string &app,
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const string &id,
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bool bMake = true) ;
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const string& getSchema() const {
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return m_strSchema;
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}
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const string& getVhost() const {
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return m_strVhost;
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}
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const string& getApp() const {
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//获取该源的id
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return m_strApp;
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}
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const string& getId() const {
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return m_strId;
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}
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bool seekTo(uint32_t ui32Stamp) {
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auto listener = m_listener.lock();
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if(!listener){
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return false;
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}
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return listener->seekTo(ui32Stamp);
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}
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uint32_t getStamp() {
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auto listener = m_listener.lock();
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if(!listener){
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return 0;
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}
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return listener->getStamp();
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}
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void setListener(const std::weak_ptr<MediaSourceEvent> &listener){
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m_listener = listener;
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}
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private:
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template <typename FUN>
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static bool searchMedia(const string &schema,
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const string &vhost,
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const string &app,
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const string &id,
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FUN &&fun){
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auto it0 = g_mapMediaSrc.find(schema);
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if (it0 == g_mapMediaSrc.end()) {
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//未找到协议
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return false;
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}
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auto it1 = it0->second.find(vhost);
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if(it1 == it0->second.end()){
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//未找到vhost
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return false;
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}
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auto it2 = it1->second.find(app);
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if(it2 == it1->second.end()){
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//未找到app
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return false;
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}
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auto it3 = it2->second.find(id);
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if(it3 == it2->second.end()){
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//未找到streamId
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return false;
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}
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return fun(it0,it1,it2,it3);
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}
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template <typename IT0,typename IT1,typename IT2>
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static void eraseIfEmpty(IT0 it0,IT1 it1,IT2 it2){
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if(it2->second.empty()){
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it1->second.erase(it2);
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if(it1->second.empty()){
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it0->second.erase(it1);
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if(it0->second.empty()){
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g_mapMediaSrc.erase(it0);
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}
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}
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}
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};
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void unregisted();
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protected:
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std::weak_ptr<MediaSourceEvent> m_listener;
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private:
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string m_strSchema;//协议类型
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string m_strVhost; //vhost
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string m_strApp; //媒体app
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string m_strId; //媒体id
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static SchemaVhostAppStreamMap g_mapMediaSrc; //静态的媒体源表
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static recursive_mutex g_mtxMediaSrc; //访问静态的媒体源表的互斥锁
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};
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} /* namespace Media */
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} /* namespace ZL */
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#endif //ZLMEDIAKIT_MEDIASOURCE_H
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