mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-22 19:00:01 +08:00
此pr主要为了修复 #2629,通过新增getMuxer接口, 可以直接获取到所有协议共享的MultiMediaSourceMuxer对象, 在此对象完成事件拦截,防止某种协议事件丢失。 同时调整了下FFmpegSource.cpp代码格式。
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parent
fad8dd74e7
commit
e52c1cc510
@ -11,6 +11,7 @@
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#include "FFmpegSource.h"
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#include "Common/config.h"
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#include "Common/MediaSource.h"
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#include "Common/MultiMediaSourceMuxer.h"
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#include "Util/File.h"
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#include "System.h"
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#include "Thread/WorkThreadPool.h"
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@ -70,10 +71,10 @@ void FFmpegSource::setupRecordFlag(bool enable_hls, bool enable_mp4){
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_enable_mp4 = enable_mp4;
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}
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void FFmpegSource::play(const string &ffmpeg_cmd_key, const string &src_url,const string &dst_url,int timeout_ms,const onPlay &cb) {
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GET_CONFIG(string,ffmpeg_bin,FFmpeg::kBin);
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GET_CONFIG(string,ffmpeg_cmd_default,FFmpeg::kCmd);
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GET_CONFIG(string,ffmpeg_log,FFmpeg::kLog);
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void FFmpegSource::play(const string &ffmpeg_cmd_key, const string &src_url, const string &dst_url, int timeout_ms, const onPlay &cb) {
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GET_CONFIG(string, ffmpeg_bin, FFmpeg::kBin);
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GET_CONFIG(string, ffmpeg_cmd_default, FFmpeg::kCmd);
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GET_CONFIG(string, ffmpeg_log, FFmpeg::kLog);
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_src_url = src_url;
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_dst_url = dst_url;
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@ -91,120 +92,114 @@ void FFmpegSource::play(const string &ffmpeg_cmd_key, const string &src_url,cons
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auto cmd_it = mINI::Instance().find(ffmpeg_cmd_key);
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if (cmd_it != mINI::Instance().end()) {
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ffmpeg_cmd = cmd_it->second;
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} else{
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} else {
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WarnL << "配置文件中,ffmpeg命令模板(" << ffmpeg_cmd_key << ")不存在,已采用默认模板(" << ffmpeg_cmd_default << ")";
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}
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}
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char cmd[2048] = {0};
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char cmd[2048] = { 0 };
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snprintf(cmd, sizeof(cmd), ffmpeg_cmd.data(), File::absolutePath("", ffmpeg_bin).data(), src_url.data(), dst_url.data());
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auto log_file = ffmpeg_log.empty() ? "" : File::absolutePath("", ffmpeg_log);
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_process.run(cmd, log_file);
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InfoL << cmd;
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if (is_local_ip(_media_info.host)) {
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//推流给自己的,通过判断流是否注册上来判断是否正常
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// 推流给自己的,通过判断流是否注册上来判断是否正常
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if (_media_info.schema != RTSP_SCHEMA && _media_info.schema != RTMP_SCHEMA) {
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cb(SockException(Err_other,"本服务只支持rtmp/rtsp推流"));
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cb(SockException(Err_other, "本服务只支持rtmp/rtsp推流"));
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return;
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}
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weak_ptr<FFmpegSource> weakSelf = shared_from_this();
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findAsync(timeout_ms,[cb,weakSelf,timeout_ms](const MediaSource::Ptr &src){
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findAsync(timeout_ms, [cb, weakSelf, timeout_ms](const MediaSource::Ptr &src) {
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auto strongSelf = weakSelf.lock();
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if(!strongSelf){
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//自己已经销毁
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if (!strongSelf) {
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// 自己已经销毁
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return;
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}
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if(src){
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//推流给自己成功
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if (src) {
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// 推流给自己成功
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cb(SockException());
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strongSelf->onGetMediaSource(src);
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strongSelf->startTimer(timeout_ms);
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return;
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}
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//推流失败
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if(!strongSelf->_process.wait(false)){
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//ffmpeg进程已经退出
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cb(SockException(Err_other,StrPrinter << "ffmpeg已经退出,exit code = " << strongSelf->_process.exit_code()));
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if (!strongSelf->_process.wait(false)) {
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// ffmpeg进程已经退出
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cb(SockException(Err_other, StrPrinter << "ffmpeg已经退出,exit code = " << strongSelf->_process.exit_code()));
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return;
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}
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//ffmpeg进程还在线,但是等待推流超时
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cb(SockException(Err_other,"等待超时"));
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// ffmpeg进程还在线,但是等待推流超时
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cb(SockException(Err_other, "等待超时"));
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});
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} else{
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//推流给其他服务器的,通过判断FFmpeg进程是否在线判断是否成功
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weak_ptr<FFmpegSource> weakSelf = shared_from_this();
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_timer = std::make_shared<Timer>(timeout_ms / 1000.0f,[weakSelf,cb,timeout_ms](){
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_timer = std::make_shared<Timer>(timeout_ms / 1000.0f, [weakSelf, cb, timeout_ms]() {
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auto strongSelf = weakSelf.lock();
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if(!strongSelf){
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//自身已经销毁
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if (!strongSelf) {
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// 自身已经销毁
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return false;
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}
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//FFmpeg还在线,那么我们认为推流成功
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if(strongSelf->_process.wait(false)){
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// FFmpeg还在线,那么我们认为推流成功
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if (strongSelf->_process.wait(false)) {
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cb(SockException());
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strongSelf->startTimer(timeout_ms);
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return false;
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}
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//ffmpeg进程已经退出
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cb(SockException(Err_other,StrPrinter << "ffmpeg已经退出,exit code = " << strongSelf->_process.exit_code()));
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// ffmpeg进程已经退出
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cb(SockException(Err_other, StrPrinter << "ffmpeg已经退出,exit code = " << strongSelf->_process.exit_code()));
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return false;
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},_poller);
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}, _poller);
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}
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}
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void FFmpegSource::findAsync(int maxWaitMS, const function<void(const MediaSource::Ptr &src)> &cb) {
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auto src = MediaSource::find(_media_info.schema,
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_media_info.vhost,
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_media_info.app,
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_media_info.stream);
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if(src || !maxWaitMS){
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auto src = MediaSource::find(_media_info.schema, _media_info.vhost, _media_info.app, _media_info.stream);
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if (src || !maxWaitMS) {
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cb(src);
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return;
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}
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void *listener_tag = this;
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//若干秒后执行等待媒体注册超时回调
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auto onRegistTimeout = _poller->doDelayTask(maxWaitMS,[cb,listener_tag](){
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//取消监听该事件
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NoticeCenter::Instance().delListener(listener_tag,Broadcast::kBroadcastMediaChanged);
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// 若干秒后执行等待媒体注册超时回调
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auto onRegistTimeout = _poller->doDelayTask(maxWaitMS, [cb, listener_tag]() {
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// 取消监听该事件
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NoticeCenter::Instance().delListener(listener_tag, Broadcast::kBroadcastMediaChanged);
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cb(nullptr);
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return 0;
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});
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weak_ptr<FFmpegSource> weakSelf = shared_from_this();
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auto onRegist = [listener_tag,weakSelf,cb,onRegistTimeout](BroadcastMediaChangedArgs) {
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auto onRegist = [listener_tag, weakSelf, cb, onRegistTimeout](BroadcastMediaChangedArgs) {
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auto strongSelf = weakSelf.lock();
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if(!strongSelf) {
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//本身已经销毁,取消延时任务
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if (!strongSelf) {
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// 本身已经销毁,取消延时任务
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onRegistTimeout->cancel();
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NoticeCenter::Instance().delListener(listener_tag,Broadcast::kBroadcastMediaChanged);
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NoticeCenter::Instance().delListener(listener_tag, Broadcast::kBroadcastMediaChanged);
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return;
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}
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if (!bRegist ||
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sender.getSchema() != strongSelf->_media_info.schema ||
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if (!bRegist || sender.getSchema() != strongSelf->_media_info.schema ||
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!equalMediaTuple(sender.getMediaTuple(), strongSelf->_media_info)) {
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//不是自己感兴趣的事件,忽略之
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// 不是自己感兴趣的事件,忽略之
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return;
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}
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//查找的流终于注册上了;取消延时任务,防止多次回调
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// 查找的流终于注册上了;取消延时任务,防止多次回调
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onRegistTimeout->cancel();
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//取消事件监听
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NoticeCenter::Instance().delListener(listener_tag,Broadcast::kBroadcastMediaChanged);
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// 取消事件监听
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NoticeCenter::Instance().delListener(listener_tag, Broadcast::kBroadcastMediaChanged);
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//切换到自己的线程再回复
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strongSelf->_poller->async([weakSelf,cb](){
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auto strongSelf = weakSelf.lock();
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if(!strongSelf) {
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return;
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// 切换到自己的线程再回复
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strongSelf->_poller->async([weakSelf, cb]() {
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if (auto strongSelf = weakSelf.lock()) {
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// 再找一遍媒体源,一般能找到
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strongSelf->findAsync(0, cb);
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}
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//再找一遍媒体源,一般能找到
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strongSelf->findAsync(0,cb);
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}, false);
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};
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//监听媒体注册事件
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// 监听媒体注册事件
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NoticeCenter::Instance().addListener(listener_tag, Broadcast::kBroadcastMediaChanged, onRegist);
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}
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@ -222,49 +217,49 @@ void FFmpegSource::startTimer(int timeout_ms) {
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}
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bool needRestart = ffmpeg_restart_sec > 0 && strongSelf->_replay_ticker.elapsedTime() > ffmpeg_restart_sec * 1000;
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if (is_local_ip(strongSelf->_media_info.host)) {
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//推流给自己的,我们通过检查是否已经注册来判断FFmpeg是否工作正常
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// 推流给自己的,我们通过检查是否已经注册来判断FFmpeg是否工作正常
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strongSelf->findAsync(0, [&](const MediaSource::Ptr &src) {
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//同步查找流
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// 同步查找流
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if (!src || needRestart) {
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if(needRestart){
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if (needRestart) {
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strongSelf->_replay_ticker.resetTime();
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if(strongSelf->_process.wait(false)){
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//FFmpeg进程还在运行,超时就关闭它
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if (strongSelf->_process.wait(false)) {
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// FFmpeg进程还在运行,超时就关闭它
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strongSelf->_process.kill(2000);
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}
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InfoL << "FFmpeg即将重启, 将会继续拉流 " << strongSelf->_src_url;
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}
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//流不在线,重新拉流, 这里原先是10秒超时,实际发现10秒不够,改成20秒了
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if(strongSelf->_replay_ticker.elapsedTime() > 20 * 1000){
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//上次重试时间超过10秒,那么再重试FFmpeg拉流
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// 流不在线,重新拉流, 这里原先是10秒超时,实际发现10秒不够,改成20秒了
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if (strongSelf->_replay_ticker.elapsedTime() > 20 * 1000) {
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// 上次重试时间超过10秒,那么再重试FFmpeg拉流
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strongSelf->_replay_ticker.resetTime();
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strongSelf->play(strongSelf->_ffmpeg_cmd_key, strongSelf->_src_url, strongSelf->_dst_url, timeout_ms, [](const SockException &) {});
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}
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}
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});
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} else {
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//推流给其他服务器的,我们通过判断FFmpeg进程是否在线,如果FFmpeg推流中断,那么它应该会自动退出
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// 推流给其他服务器的,我们通过判断FFmpeg进程是否在线,如果FFmpeg推流中断,那么它应该会自动退出
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if (!strongSelf->_process.wait(false) || needRestart) {
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if(needRestart){
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if (needRestart) {
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strongSelf->_replay_ticker.resetTime();
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if(strongSelf->_process.wait(false)){
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//FFmpeg进程还在运行,超时就关闭它
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if (strongSelf->_process.wait(false)) {
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// FFmpeg进程还在运行,超时就关闭它
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strongSelf->_process.kill(2000);
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}
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InfoL << "FFmpeg即将重启, 将会继续拉流 " << strongSelf->_src_url;
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}
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//ffmpeg不在线,重新拉流
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// ffmpeg不在线,重新拉流
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strongSelf->play(strongSelf->_ffmpeg_cmd_key, strongSelf->_src_url, strongSelf->_dst_url, timeout_ms, [weakSelf](const SockException &ex) {
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if(!ex){
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//没有错误
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if (!ex) {
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// 没有错误
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return;
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}
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auto strongSelf = weakSelf.lock();
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if (!strongSelf) {
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//自身已经销毁
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// 自身已经销毁
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return;
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}
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//上次重试时间超过10秒,那么再重试FFmpeg拉流
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// 上次重试时间超过10秒,那么再重试FFmpeg拉流
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strongSelf->startTimer(10 * 1000);
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});
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}
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@ -294,20 +289,17 @@ MediaOriginType FFmpegSource::getOriginType(MediaSource &sender) const{
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return MediaOriginType::ffmpeg_pull;
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}
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string FFmpegSource::getOriginUrl(MediaSource &sender) const{
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string FFmpegSource::getOriginUrl(MediaSource &sender) const {
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return _src_url;
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}
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std::shared_ptr<SockInfo> FFmpegSource::getOriginSock(MediaSource &sender) const {
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return nullptr;
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}
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void FFmpegSource::onGetMediaSource(const MediaSource::Ptr &src) {
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auto listener = src->getListener(true);
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if (listener.lock().get() != this) {
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auto muxer = src->getMuxer();
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auto listener = muxer ? muxer->getDelegate() : nullptr;
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if (listener && listener.get() != this) {
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//防止多次进入onGetMediaSource函数导致无限递归调用的bug
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setDelegate(listener);
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src->setListener(shared_from_this());
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muxer->setDelegate(shared_from_this());
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if (_enable_hls) {
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src->setupRecord(Recorder::type_hls, true, "", 0);
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}
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@ -318,14 +310,14 @@ void FFmpegSource::onGetMediaSource(const MediaSource::Ptr &src) {
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}
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void FFmpegSnap::makeSnap(const string &play_url, const string &save_path, float timeout_sec, const onSnap &cb) {
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GET_CONFIG(string,ffmpeg_bin,FFmpeg::kBin);
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GET_CONFIG(string,ffmpeg_snap,FFmpeg::kSnap);
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GET_CONFIG(string,ffmpeg_log,FFmpeg::kLog);
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GET_CONFIG(string, ffmpeg_bin, FFmpeg::kBin);
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GET_CONFIG(string, ffmpeg_snap, FFmpeg::kSnap);
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GET_CONFIG(string, ffmpeg_log, FFmpeg::kLog);
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Ticker ticker;
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WorkThreadPool::Instance().getPoller()->async([timeout_sec, play_url,save_path,cb, ticker](){
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WorkThreadPool::Instance().getPoller()->async([timeout_sec, play_url, save_path, cb, ticker]() {
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auto elapsed_ms = ticker.elapsedTime();
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if (elapsed_ms > timeout_sec * 1000) {
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//超时,后台线程负载太高,当代太久才启动该任务
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// 超时,后台线程负载太高,当代太久才启动该任务
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cb(false, "wait work poller schedule snap task timeout");
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return;
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}
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@ -346,13 +338,12 @@ void FFmpegSnap::makeSnap(const string &play_url, const string &save_path, float
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return 0;
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});
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//等待FFmpeg进程退出
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// 等待FFmpeg进程退出
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process->wait(true);
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// FFmpeg进程退出了可以取消定时器了
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delayTask->cancel();
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//执行回调函数
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// 执行回调函数
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bool success = process->exit_code() == 0 && File::fileSize(save_path.data());
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cb(success, (!success && !log_file.empty()) ? File::loadFile(log_file.data()) : "");
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});
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}
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@ -79,8 +79,6 @@ private:
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mediakit::MediaOriginType getOriginType(mediakit::MediaSource &sender) const override;
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//获取媒体源url或者文件路径
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std::string getOriginUrl(mediakit::MediaSource &sender) const override;
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// 获取媒体源客户端相关信息
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std::shared_ptr<toolkit::SockInfo> getOriginSock(mediakit::MediaSource &sender) const override;
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private:
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bool _enable_hls = false;
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@ -172,20 +172,8 @@ void MediaSource::setListener(const std::weak_ptr<MediaSourceEvent> &listener){
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_listener = listener;
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}
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std::weak_ptr<MediaSourceEvent> MediaSource::getListener(bool next) const{
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if (!next) {
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return _listener;
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}
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auto listener = dynamic_pointer_cast<MediaSourceEventInterceptor>(_listener.lock());
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if (!listener) {
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//不是MediaSourceEventInterceptor对象或者对象已经销毁
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return _listener;
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}
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//获取被拦截的对象
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auto next_obj = listener->getDelegate();
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//有则返回之
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return next_obj ? next_obj : _listener;
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std::weak_ptr<MediaSourceEvent> MediaSource::getListener() const {
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return _listener;
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}
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int MediaSource::totalReaderCount(){
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@ -277,6 +265,11 @@ toolkit::EventPoller::Ptr MediaSource::getOwnerPoller() {
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throw std::runtime_error(toolkit::demangle(typeid(*this).name()) + "::getOwnerPoller failed: " + getUrl());
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}
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std::shared_ptr<MultiMediaSourceMuxer> MediaSource::getMuxer() {
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auto listener = _listener.lock();
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return listener ? listener->getMuxer(*this) : nullptr;
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}
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void MediaSource::onReaderChanged(int size) {
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try {
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weak_ptr<MediaSource> weak_self = shared_from_this();
|
||||
@ -780,6 +773,11 @@ toolkit::EventPoller::Ptr MediaSourceEventInterceptor::getOwnerPoller(MediaSourc
|
||||
throw std::runtime_error(toolkit::demangle(typeid(*this).name()) + "::getOwnerPoller failed");
|
||||
}
|
||||
|
||||
std::shared_ptr<MultiMediaSourceMuxer> MediaSourceEventInterceptor::getMuxer(MediaSource &sender) {
|
||||
auto listener = _listener.lock();
|
||||
return listener ? listener->getMuxer(sender) : nullptr;
|
||||
}
|
||||
|
||||
bool MediaSourceEventInterceptor::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) {
|
||||
auto listener = _listener.lock();
|
||||
if (!listener) {
|
||||
|
@ -41,6 +41,7 @@ enum class MediaOriginType : uint8_t {
|
||||
std::string getOriginTypeString(MediaOriginType type);
|
||||
|
||||
class MediaSource;
|
||||
class MultiMediaSourceMuxer;
|
||||
class MediaSourceEvent {
|
||||
public:
|
||||
friend class MediaSource;
|
||||
@ -88,6 +89,8 @@ public:
|
||||
virtual bool isRecording(MediaSource &sender, Recorder::type type) { return false; }
|
||||
// 获取所有track相关信息
|
||||
virtual std::vector<Track::Ptr> getMediaTracks(MediaSource &sender, bool trackReady = true) const { return std::vector<Track::Ptr>(); };
|
||||
// 获取MultiMediaSourceMuxer对象
|
||||
virtual std::shared_ptr<MultiMediaSourceMuxer> getMuxer(MediaSource &sender) { return nullptr; }
|
||||
|
||||
class SendRtpArgs {
|
||||
public:
|
||||
@ -257,6 +260,7 @@ public:
|
||||
bool stopSendRtp(MediaSource &sender, const std::string &ssrc) override;
|
||||
float getLossRate(MediaSource &sender, TrackType type) override;
|
||||
toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
|
||||
std::shared_ptr<MultiMediaSourceMuxer> getMuxer(MediaSource &sender) override;
|
||||
|
||||
private:
|
||||
std::weak_ptr<MediaSourceEvent> _listener;
|
||||
@ -330,7 +334,7 @@ public:
|
||||
// 设置监听者
|
||||
virtual void setListener(const std::weak_ptr<MediaSourceEvent> &listener);
|
||||
// 获取监听者
|
||||
std::weak_ptr<MediaSourceEvent> getListener(bool next = false) const;
|
||||
std::weak_ptr<MediaSourceEvent> getListener() const;
|
||||
|
||||
// 本协议获取观看者个数,可能返回本协议的观看人数,也可能返回总人数
|
||||
virtual int readerCount() = 0;
|
||||
@ -372,6 +376,8 @@ public:
|
||||
float getLossRate(mediakit::TrackType type);
|
||||
// 获取所在线程
|
||||
toolkit::EventPoller::Ptr getOwnerPoller();
|
||||
// 获取MultiMediaSourceMuxer对象
|
||||
std::shared_ptr<MultiMediaSourceMuxer> getMuxer();
|
||||
|
||||
////////////////static方法,查找或生成MediaSource////////////////
|
||||
|
||||
|
@ -71,6 +71,14 @@ static string getTrackInfoStr(const TrackSource *track_src){
|
||||
return std::move(codec_info);
|
||||
}
|
||||
|
||||
const ProtocolOption &MultiMediaSourceMuxer::getOption() const {
|
||||
return _option;
|
||||
}
|
||||
|
||||
const MediaTuple &MultiMediaSourceMuxer::getMediaTuple() const {
|
||||
return _tuple;
|
||||
}
|
||||
|
||||
std::string MultiMediaSourceMuxer::shortUrl() const {
|
||||
auto ret = getOriginUrl(MediaSource::NullMediaSource());
|
||||
if (!ret.empty()) {
|
||||
@ -361,6 +369,10 @@ EventPoller::Ptr MultiMediaSourceMuxer::getOwnerPoller(MediaSource &sender) {
|
||||
}
|
||||
}
|
||||
|
||||
std::shared_ptr<MultiMediaSourceMuxer> MultiMediaSourceMuxer::getMuxer(MediaSource &sender) {
|
||||
return shared_from_this();
|
||||
}
|
||||
|
||||
bool MultiMediaSourceMuxer::onTrackReady(const Track::Ptr &track) {
|
||||
bool ret = false;
|
||||
if (_rtmp) {
|
||||
|
@ -126,9 +126,13 @@ public:
|
||||
*/
|
||||
toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
|
||||
|
||||
const MediaTuple& getMediaTuple() const {
|
||||
return _tuple;
|
||||
}
|
||||
/**
|
||||
* 获取本对象
|
||||
*/
|
||||
std::shared_ptr<MultiMediaSourceMuxer> getMuxer(MediaSource &sender) override;
|
||||
|
||||
const ProtocolOption &getOption() const;
|
||||
const MediaTuple &getMediaTuple() const;
|
||||
std::string shortUrl() const;
|
||||
|
||||
protected:
|
||||
|
Loading…
Reference in New Issue
Block a user