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Re: [pygame] Choppy sound playback



Yes, I am using Linux, so I'll just follow the other thread.

What I find strange though is that another program written in PyGame (although the sound code is a bit different) works just fine. I'll try and isolate the differences and see if I can track down exactly what code does what

Chris

On 5/9/07, Andrew Pape <andrew_pape@xxxxxxxxxxxx> wrote:
Hi,

I recently had a similar problem, and the solution, given to me, is below. It assumes you're running linux.
Hope it helps. The first "export" line did the trick for me. If you need further help, you'll have to ask others.

Cheers,

Andrew.

>you can force SDL to use ALSA or OSS by setting an environment variable,
>see this page: http://www.libsdl.org/cgi/docwiki.cgi/SDL_5fenvvars

>You could try using the OSS emulation provided by ALSA:

>$ export SDL_AUDIODRIVER=dsp
>or:
>$ export SDL_AUDIODRIVER=dma
>then:
>$ python program-name.py

>or forcing ALSA:

>$ export SDL_AUDIODRIVER=alsa

>In my travels I've encountered stories of the ALSA OSS emulation working
>"better" than the native ALSA drivers, I can't verify that though,
>cheers,
>John.

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