mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-01 00:57:28 +08:00
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2019 Gemfield <gemfield@civilnet.cn>
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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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#if defined(ENABLE_RTPPROXY)
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#include "RtpSelector.h"
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namespace mediakit{
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INSTANCE_IMP(RtpSelector);
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bool RtpSelector::inputRtp(const char *data, int data_len,const struct sockaddr *addr,uint32_t *dts_out) {
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if(_last_rtp_time.elapsedTime() > 3000){
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_last_rtp_time.resetTime();
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onManager();
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}
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auto ssrc = getSSRC(data,data_len);
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if(!ssrc){
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WarnL << "get ssrc from rtp failed:" << data_len;
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return false;
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}
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auto process = getProcess(ssrc, true);
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if(process){
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return process->inputRtp(data,data_len, addr,dts_out);
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}
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return false;
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}
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uint32_t RtpSelector::getSSRC(const char *data, int data_len) {
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if(data_len < 12){
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return 0;
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}
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uint32_t *ssrc_ptr = (uint32_t *)(data + 8);
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return ntohl(*ssrc_ptr);
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}
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RtpProcess::Ptr RtpSelector::getProcess(uint32_t ssrc,bool makeNew) {
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lock_guard<decltype(_mtx_map)> lck(_mtx_map);
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auto it = _map_rtp_process.find(ssrc);
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if(it == _map_rtp_process.end() && !makeNew){
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return nullptr;
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}
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RtpProcess::Ptr &ref = _map_rtp_process[ssrc];
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if(!ref){
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ref = std::make_shared<RtpProcess>(ssrc);
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}
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return ref;
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}
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void RtpSelector::delProcess(uint32_t ssrc,const RtpProcess *ptr) {
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lock_guard<decltype(_mtx_map)> lck(_mtx_map);
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auto it = _map_rtp_process.find(ssrc);
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if(it == _map_rtp_process.end()){
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return;
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}
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if(it->second.get() != ptr){
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return;
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}
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_map_rtp_process.erase(it);
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}
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void RtpSelector::onManager() {
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lock_guard<decltype(_mtx_map)> lck(_mtx_map);
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for (auto it = _map_rtp_process.begin(); it != _map_rtp_process.end();) {
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if (it->second->alive()) {
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++it;
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continue;
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}
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WarnL << "RtpProcess timeout:" << printSSRC(it->first);
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it = _map_rtp_process.erase(it);
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}
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}
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RtpSelector::RtpSelector() {
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}
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RtpSelector::~RtpSelector() {
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}
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}//namespace mediakit
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#endif//defined(ENABLE_RTPPROXY)
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