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  MacOSX just makes noise  (Read 1804 times)
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Offline atze

Senior Newbie




It's just me.


« Posted 2004-08-24 19:34:46 »

hi there,

i tried https://joal-demos.dev.java.net/devmaster/lesson1.html and 2.
joal just makes noises. it sounds a bit like the file i try to play but it's mainly noise.

OpenAL.framework version 1.0.12 -- posted April 21, 2004
joal todays download (binary dist)
mac os x 10.3.5

do i need to change the lessons for macosx?
Offline swpalmer

JGO Coder




Where's the Kaboom?


« Reply #1 - Posted 2004-08-25 17:03:52 »

Sounds like a endian issue?

Offline atze

Senior Newbie




It's just me.


« Reply #2 - Posted 2004-08-26 11:54:03 »

i uses my 'new mail'-sound. it works in mail.app so i thought it should work in joal as well. (and i tried the Footsteps.wav from the example)

does wav have any endiness at all?

could anyone point me to a soundfile that works on mac os?
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Offline swpalmer

JGO Coder




Where's the Kaboom?


« Reply #3 - Posted 2004-08-30 01:57:21 »

Quote
does wav have any endiness at all?

Of course it does, if you are using the typical 16-bit samples then it must have a particular byte order.  And being a format popular on Intel platforms I would have to guess that it uses the little endian format required by the ancient 4 to 8-bit calculator chips that all intel chips from that point on have are based on Tongue.  All the reasonable processors in the world today use big endian because it just makes more sense Tongue.  So on Mac with the PowerPC you have big endian values typically. Thus I suspect that the audio APIs on Mac might work natively with big endian waveforms.

Offline d3

Senior Newbie




o(_._)o


« Reply #4 - Posted 2004-09-15 08:50:38 »

with some soundplayer, for example quicktime, you can get information about the sound s 'endian-ness'.

if you use 8bit sound Sad you don t have any endian issues.

still i would also be interested in solving this problem. the 'wav' format, as far as i know, always 'little endian' thus wouldn t play correctly on 'big endian' machines. i m not enough into 'OpenAL' but is there any easy way to load for example 'AIFF' files which is a 'big endian' format with something similar to 'alutLoadWAVFile'? is the a tutorial for that?
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