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完善事件取消监听机制

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This commit is contained in:
xiongziliang 2019-06-06 15:29:36 +08:00
parent 7bb1b7f670
commit c454240c83
1 changed files with 14 additions and 10 deletions
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24
src/Common/MediaSource.cpp
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@ -72,6 +72,16 @@ void MediaSource::findAsync(const MediaInfo &info,
});
auto onRegist = [listener_tag,weakSession,info,cb,onRegistTimeout](BroadcastMediaChangedArgs) {
auto strongSession = weakSession.lock();
if(!strongSession) {
//自己已经销毁
//取消延时任务，防止多次回调
onRegistTimeout->cancel();
//取消事件监听
NoticeCenter::Instance().delListener(listener_tag,Broadcast::kBroadcastMediaChanged);
return;
}
if(!bRegist || schema != info._schema || vhost != info._vhost || app != info._app ||stream != info._streamid){
//不是自己感兴趣的事件，忽略之
return;
@ -79,15 +89,11 @@ void MediaSource::findAsync(const MediaInfo &info,
//取消延时任务，防止多次回调
onRegistTimeout->cancel();
//取消事件监听
NoticeCenter::Instance().delListener(listener_tag,Broadcast::kBroadcastMediaChanged);
//播发器请求的流终于注册上了
auto strongSession = weakSession.lock();
if(!strongSession) {
return;
}
//切换到自己的线程再回复
strongSession->async([listener_tag,weakSession,info,cb](){
//播发器请求的流终于注册上了，切换到自己的线程再回复
strongSession->async([weakSession,info,cb](){
auto strongSession = weakSession.lock();
if(!strongSession) {
return;
@ -95,8 +101,6 @@ void MediaSource::findAsync(const MediaInfo &info,
DebugL << "收到媒体注册事件,回复播放器:" << info._schema << "/" << info._vhost << "/" << info._app << "/" << info._streamid;
//再找一遍媒体源，一般能找到
findAsync(info,strongSession,false,cb);
//取消事件监听
NoticeCenter::Instance().delListener(listener_tag,Broadcast::kBroadcastMediaChanged);
}, false);
};
//监听媒体注册事件