Re: OpenAL in a OSX GUI App

Subject: Re: OpenAL in a OSX GUI App
From: Alexander Bollbach <email@hidden>
Date: Sat, 30 Jan 2016 18:23:33 +0000

The sliders are not created in applicationDidFinishLaunching: just the OpenAL setup code. The problem seems to be, unlike audio unit stuff that automatically calls back on a background thread, in this example the openAL functions to replenish the buffers and update the source location happen serially on the mainthread. I haven't figured out how to run them on a background thread without OpenAL throwing an error.

On Sat, Jan 30, 2016 at 6:05 AM Aran Mulholland <email@hidden> wrote:

I think you should look at a basic UI app. The code for the sliders should not be in applicationDidFinishLaunching as this is an event callback that is fired. Look at how to make a basic UI app first. The sliders should be in a view.

On Sat, Jan 30, 2016 at 1:28 PM, Alexander Bollbach <email@hidden> wrote:
Again, I'm working through this Learning Core Audio and I just finished the Open AL chapters. Aside from some issues with buffers (EXC_BAD_ACCESS abound.. out of bounds, that is), I have gotten the examples to work as intended in a command line project. I have, perhaps naively, placed most of the first example's code in 'applicationDidFinishLaunching:' in the App Delegate of a fresh GUI based project. My simple aim was to create a few sliders for the X,Y,Z dimensions of the 3d audio source and perhaps graduate to some simple renderings and animations controlling sound such as in a game. The problem is concurrency. Maybe, I'm just missing something but This Gist links to the code I have in AppDelegate.m and I just can't see how to get the function 'updateSourceLocation:' to loop in some thread while I modify its x,y,z parameters using UI elements. I tried wrapping it in a dispatch but that only made it worse. Any ideas?

_______________________________________________
Do not post admin requests to the list. They will be ignored.
Coreaudio-api mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden

 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Coreaudio-api mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden

References:
	>OpenAL in a OSX GUI App (From: Alexander Bollbach <email@hidden>)
	>Re: OpenAL in a OSX GUI App (From: Aran Mulholland <email@hidden>)

Prev by Date: AudioUnit Volume
Next by Date: Re: AudioUnit Volume
Previous by thread: Re: OpenAL in a OSX GUI App
Next by thread: AudioUnit Volume
Index(es):
- Date
- Thread