Metadata: Don't start a new video scan if another is running.

Robert McNamara · Robert McNamara · commit 1f83fe5a4e54 · 2011-07-19T08:27:11.000-07:00
Prevents all sorts of nasty potential consequences if someone decides to hammer on the backend with scan_videos requests.
diff --git a/mythtv/libs/libmythmetadata/metadatafactory.cpp b/mythtv/libs/libmythmetadata/metadatafactory.cpp
@@ -166,6 +166,9 @@ void MetadataFactory::Lookup(MetadataLookup *lookup)
 
 void MetadataFactory::VideoScan()
 {
+    if (IsRunning())
+        return;
+
     m_scanning = true;
 
     m_videoscanner->SetDirs(GetVideoDirs());

Original file line number	Diff line number	Diff line change
`@@ -166,6 +166,9 @@ void MetadataFactory::Lookup(MetadataLookup *lookup)`
`166`	`166`
`167`	`167`	`void MetadataFactory::VideoScan()`
`168`	`168`	`{`
	`169`	`+ if (IsRunning())`
	`170`	`+ return;`
	`171`	`+`
`169`	`172`	`m_scanning = true;`
`170`	`173`
`171`	`174`	`m_videoscanner->SetDirs(GetVideoDirs());`