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qtkitvideosrc: run the mainRunLoop for a while if not running.

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QTCaptureSession::addInput and QTCaptureSession::addOutput call
NSObject::performSelectorOnMainThread internally so they need the mainRunLoop to
run at least for a while to complete.
This commit is contained in:
Alessandro Decina 2010-12-09 11:04:19 +01:00
parent b6d5763e05
commit ec6c307334
1 changed files with 11 additions and 0 deletions
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11
sys/applemedia/qtkitvideosrc.m
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@ -241,6 +241,7 @@ openFailed:
GstStructure *s;
NSDictionary *outputAttrs;
BOOL success;
NSRunLoop *mainRunLoop;
g_assert (device != nil);
@ -276,6 +277,16 @@ openFailed:
[output setDelegate:self];
[session startRunning];
mainRunLoop = [NSRunLoop mainRunLoop];
if ([mainRunLoop currentMode] == nil) {
/* QTCaptureSession::addInput and QTCaptureSession::addOutput call
* NSObject::performSelectorOnMainThread internally. If the mainRunLoop is
* not running we need to run it for a while for those methods to complete
*/
GST_INFO ("mainRunLoop not running");
[[NSRunLoop mainRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:1]];
}
return YES;
}