Hello,
I am loading a movie and intend to process it when the duration
property has loaded.
Unfortunately the thread
"com.apple.coremedia.formatreaderloader.makereadyforinspection"
crashes in pthread_mutex_unlock after running the processMovie method.
Can anybody see what is wrong?
This is a 64bit project using AVFoundation.
NSDictionary *options = [NSDictionary
dictionaryWithObject:myYesNumber
forKey:AVURLAssetPreferPreciseDurationAndTimingKey];
AVURLAsset *movieAsset = [AVURLAsset URLAssetWithURL:movieURL
options:options];
// load duration asynchronously
NSArray *keys = [NSArray arrayWithObject:@"duration"];
void(^loadHandler)(void) = ^(void)
{
NSError *error;
AVKeyValueStatus status = [movieAsset
statusOfValueForKey:@"duration" error:&error];
if ( status == AVKeyValueStatusLoaded )
{
[self performSelectorOnMainThread:@selector(processMovie:)
withObject:movieAsset waitUntilDone:YES];
}
};
[movieAsset loadValuesAsynchronouslyForKeys:keys
completionHandler:loadHandler];
TIA,
Jan E.
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