Hello, all ...
I'm stumped as to why this generates a warning when I compile. Do I need to do
something special with my AVURLAsset * to be able to access it from inside the
block in order to add it to an NSInvocation?
for (int index = 0; index < [assetsToLoad count]; index ++)
{
NSURL *streamURL = [assetsToLoad objectAtIndex:index];
AVURLAsset *asset = [AVURLAsset URLAssetWithURL:streamURL options:nil];
NSString *tracks = @"tracks";
[asset loadValuesAsynchronouslyForKeys:[NSArray arrayWithObject:tracks]
completionHandler:^
{
SEL sel = @selector(setupPlayerForAsset:withIndex:);
NSMethodSignature *sig = [self methodSignatureForSelector:sel];
NSInvocation *inv = [NSInvocation
invocationWithMethodSignature:sig];
NSNumber *invNumber = [NSNumber numberWithInt:index];
[inv setTarget:self];
[inv setSelector:sel];
[inv setArgument:&asset atIndex:2]; // warning: passing
argument 1 of 'setArgument:atIndex:' discards qualifiers from pointer target
type
[inv setArgument:&invNumber atIndex:3];
[inv retainArguments];
[inv performSelectorOnMainThread:@selector(invoke) withObject:nil
waitUntilDone:YES];
[self performSelectorOnMainThread:sel withObject:asset
waitUntilDone:YES];
}];
}
}
Regards,
John
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