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Re: Core Audio API for Objective-C ?
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Re: Core Audio API for Objective-C ?


  • Subject: Re: Core Audio API for Objective-C ?
  • From: Michael Thornburgh <email@hidden>
  • Date: Mon, 9 Jun 2003 18:50:19 -0700

and i second that recommendation! :)

i'm always willing to answer basic questions about how to get MTCoreAudio to work, if you (or anyone else) has trouble.

it should be pretty elf-explanatory if you're already familiar with cocoa, though.

-mike


On Monday, June 9, 2003, at 05:49 PM, Tommy Braas wrote:

Jeff,

I would recommend that you have a look at MTCoreAudio, http://aldebaran.armory.com/~zenomt/macosx/MTCoreAudio/

It wraps the CoreAudio APIs in Objective-C and should be easier for you to use than the pure C API.

If you are unable to use the MTCoreAudio for any reason, I'll be happy to provide help off this list.

Good luck,

Tommy Braas


On Monday, Jun 9, 2003, at 16:57 US/Pacific, Jeff Zacharias wrote:

I have been programing in Cocoa and Java for some time and I really like Java. My current project needd use of some Frameworks that aren't available directly to Java, like accessing FireWire hardware, so I quickly learned Objective-C and that's working fine. I have now gotten to the part of my code where I want to use Core Audio. I imported the Framework and can see the header files. I looked for documentation and the documentation references the Java API and says to use it because the Objective-C is pretty much the same.

I look at the Java documentation and find the AudioHardware class with the getAudioDevices() method. This look just like what I want to use first so I code it up in Objective-C and find there is not a corresponding AudioHardware class. Crap. I then look in the AudioHardware.h file and see what's available. I don't see the equivalent of AudioHardware. getAudioDevices(). So, I dig around some more and I find this sample code called Daisy. I look it over and see that there is a C file called HalRoutines.c that has the equivalent of getAudioDevices coded up in C code making a bunch of calls to the code in the CoreAudio framework.

So, it looks like if I was coding in Java I get some easy to use classes that have what I want to do. If I code in Objecttive-C I have to do a bunch of extra C coding to get audio device properties etc. I could probably copy the HalRoutines code into my project and use it but it seems like if there are Java classes there should be Objective-C classes. Am I missing something ? Is it really much harder to do this in Objective-C than in Java ?


Jeff Z
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References: 
 >Re: Core Audio API for Objective-C ? (From: Tommy Braas <email@hidden>)

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