重写mp4录制驱动机制

src/Common/config.cpp

@@ -55,6 +55,7 @@ bool loadIniConfig(const char *ini_path){
 ////////////广播名称///////////
 namespace Broadcast {
 const string kBroadcastMediaChanged = "kBroadcastMediaChanged";
+const string kBroadcastMediaResetTracks = "kBroadcastMediaResetTracks";
 const string kBroadcastRecordMP4 = "kBroadcastRecordMP4";
 const string kBroadcastHttpRequest = "kBroadcastHttpRequest";
 const string kBroadcastHttpAccess = "kBroadcastHttpAccess";