mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-02 01:21:33 +08:00
120 lines
3.7 KiB
C++
120 lines
3.7 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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*
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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 "RtmpMuxer.h"
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namespace mediakit {
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void RtmpMuxer::addTrack(const Track::Ptr &track) {
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//记录该Track
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auto codec_id = track->getCodecId();
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_track_map[codec_id] = track;
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auto lam = [this,track](){
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//异步生成Rtmp编码器
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auto encoder = Factory::getRtmpCodecByTrack(track);
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if (!encoder) {
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return;
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}
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//根据track生产metedata
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Metedata::Ptr metedate;
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switch (track->getTrackType()){
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case TrackVideo:{
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metedate = std::make_shared<VideoMete>(dynamic_pointer_cast<VideoTrack>(track));
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}
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break;
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case TrackAudio:{
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metedate = std::make_shared<AudioMete>(dynamic_pointer_cast<AudioTrack>(track));
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}
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break;
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default:
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return;;
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}
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//添加其metedata
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metedate->getMetedata().object_for_each([&](const std::string &key, const AMFValue &value){
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_metedata.set(key,value);
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});
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//设置Track的代理，这样输入frame至Track时，最终数据将输出到RtmpEncoder中
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track->setDelegate(encoder);
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//Rtmp编码器共用同一个环形缓存
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encoder->setRtmpRing(_rtmpRing);
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};
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if(track->ready()){
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lam();
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}else{
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_trackReadyCallback[codec_id] = lam;
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}
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}
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const AMFValue &RtmpMuxer::getMetedata() const {
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if(!_trackReadyCallback.empty()){
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//尚未就绪
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static AMFValue s_amf;
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return s_amf;
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}
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return _metedata;
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}
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void RtmpMuxer::inputFrame(const Frame::Ptr &frame) {
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auto codec_id = frame->getCodecId();
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auto it = _track_map.find(codec_id);
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if (it == _track_map.end()) {
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return;
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}
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//Track是否准备好
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auto ready = it->second->ready();
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//inputFrame可能使Track变成就绪状态
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it->second->inputFrame(frame);
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if(!ready && it->second->ready()){
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//Track由未就绪状态装换成就绪状态，我们就生成metedata以及Rtmp编码器
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auto it_callback = _trackReadyCallback.find(codec_id);
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if(it_callback != _trackReadyCallback.end()){
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it_callback->second();
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_trackReadyCallback.erase(it_callback);
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}
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}
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if(!_inited && _trackReadyCallback.empty()){
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_inited = true;
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onInited();
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}
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}
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bool RtmpMuxer::inputRtmp(const RtmpPacket::Ptr &rtmp , bool key_pos) {
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_rtmpRing->write(rtmp,key_pos);
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return key_pos;
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}
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RtmpRingInterface::RingType::Ptr RtmpMuxer::getRtmpRing() const {
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return _rtmpRing;
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}
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} |