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解决死锁问题

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This commit is contained in:
xiongziliang 2020-03-04 21:57:31 +08:00
parent 6cc56a758a
commit f384f5e025
2 changed files with 45 additions and 38 deletions
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24
src/Common/MediaSource.cpp
View File

@ -253,8 +253,9 @@ MediaSource::Ptr MediaSource::find(const string &schema, const string &vhost_tmp
vhost = DEFAULT_VHOST; vhost = DEFAULT_VHOST;
} }
lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
MediaSource::Ptr ret; MediaSource::Ptr ret;
{
lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
//查找某一媒体源，找到后返回 //查找某一媒体源，找到后返回
searchMedia(g_mapMediaSrc, schema, vhost, app, id, [&](SchemaVhostAppStreamMap::iterator &it0, searchMedia(g_mapMediaSrc, schema, vhost, app, id, [&](SchemaVhostAppStreamMap::iterator &it0,
VhostAppStreamMap::iterator &it1, VhostAppStreamMap::iterator &it1,
@ -264,11 +265,13 @@ MediaSource::Ptr MediaSource::find(const string &schema, const string &vhost_tmp
if (!ret) { if (!ret) {
//该对象已经销毁 //该对象已经销毁
it2->second.erase(it3); it2->second.erase(it3);
eraseIfEmpty(g_mapMediaSrc,it0, it1, it2); eraseIfEmpty(g_mapMediaSrc, it0, it1, it2);
return false; return false;
} }
return true; return true;
}); });
}
if(!ret && bMake){ if(!ret && bMake){
//未查找媒体源，则创建一个 //未查找媒体源，则创建一个
ret = MP4Reader::onMakeMediaSource(schema, vhost,app,id); ret = MP4Reader::onMakeMediaSource(schema, vhost,app,id);
@ -288,10 +291,14 @@ void MediaSource::regist() {
InfoL << _strSchema << " " << _strVhost << " " << _strApp << " " << _strId; InfoL << _strSchema << " " << _strVhost << " " << _strApp << " " << _strId;
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, true, *this); NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, true, *this);
} }
//反注册该源
bool MediaSource::unregist() { bool MediaSource::unregist() {
//反注册该源 bool ret;
{
lock_guard<recursive_mutex> lock(g_mtxMediaSrc); lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
return searchMedia(g_mapMediaSrc, _strSchema, _strVhost, _strApp, _strId,[&](SchemaVhostAppStreamMap::iterator &it0, ret = searchMedia(g_mapMediaSrc, _strSchema, _strVhost, _strApp, _strId,
[&](SchemaVhostAppStreamMap::iterator &it0,
VhostAppStreamMap::iterator &it1, VhostAppStreamMap::iterator &it1,
AppStreamMap::iterator &it2, AppStreamMap::iterator &it2,
StreamMap::iterator &it3) { StreamMap::iterator &it3) {
@ -302,16 +309,17 @@ bool MediaSource::unregist() {
} }
it2->second.erase(it3); it2->second.erase(it3);
eraseIfEmpty(g_mapMediaSrc, it0, it1, it2); eraseIfEmpty(g_mapMediaSrc, it0, it1, it2);
unregisted();
return true; return true;
}); });
} }
void MediaSource::unregisted(){
if(ret){
InfoL << "" << _strSchema << " " << _strVhost << " " << _strApp << " " << _strId; InfoL << "" << _strSchema << " " << _strVhost << " " << _strApp << " " << _strId;
NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, false, *this); NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, false, *this);
}
return ret;
} }
/////////////////////////////////////MediaInfo////////////////////////////////////// /////////////////////////////////////MediaInfo//////////////////////////////////////
void MediaInfo::parse(const string &url){ void MediaInfo::parse(const string &url){

1
src/Common/MediaSource.h
View File

@ -151,7 +151,6 @@ public:
protected: protected:
void regist() ; void regist() ;
bool unregist() ; bool unregist() ;
void unregisted();
private: private:
string _strSchema; string _strSchema;
string _strVhost; string _strVhost;