Apple

On Jan 27, 2011, at 13:46 PM, Kasper Welner wrote:

This is my first post on this mailing list.

I just began learning about AudioQueues from the CoreAudio book (rough cuts).
I did the AudioQueue playback example tutorial, which is basically the same as the apple tutorial example. Everything is working fine.
The problems start when I try to implement the code in an app with a GUI. I tested it by pasting the code into the 'init' method of a NSObject subclass. The only way I can get the queue to do the callback is by inserting an empty DO...WHILE loop in the end of my init, but that makes the GUI freeze (obviously...)!!

I studied the Speak Here example, and tried to find a loop of some kind or a CFRunLoopRunInMode but, it basically looks like everything just works as soon as AudioQueueStart is called... Is this stuff working in a different way on the iOS (compared to OSX)?

Clearly, there is something fundamental that I don't understand about how things work...

Kasper

@implementation KWPlayer

-(void) start
{
CheckError(
   AudioQueueStart(queue, NULL),

   "AudioQueueStart failed");

printf("Playing...\n");

do {

} while (0 == 0); WHY IS THIS MAKING IT PLAY???

}
@end

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References:
	>AudioQueue run loop newbie question (From: Kasper Welner <email@hidden>)
	>Re: AudioQueue run loop newbie question (From: Kasper Welner <email@hidden>)