Hi, I'm one of the SDL_mixer developers.

Just to be clear about tracking this down, can someone do this before
running the game:

export SDL_AUDIODRIVER=sdsdfsdf
./the_game_I_want_to_run

You should either get no audio or the game will fail or something. We're
just confirming that the SDL_AUDIODRIVER parameter is being noticed.

Now try this:

export SDL_AUDIODRIVER=alsa
./the_game_I_want_to_run

...and see what happens. That will be SDL talking directly to ALSA for
audio output (libasound, specifically).


Then try this:

export SDL_AUDIODRIVER=dsp
./the_game_I_want_to_run


...that's SDL talking directly to /dev/dsp (alsa's OSS emulation). See what 
happens.


I want to determine if it's a driver issue or our use of alsalib. Also, if 
anyone has programming experience, is it only causing a problem if 
Mix_MusicVolume() is changed in these games? Can we say that with certainty? If 
so, it may not be a driver issue at all and a general SDL/SDL_mixer bug.

I just need to eliminate some variables here, so I'd appreciate some
feedback on this.

Thanks,
--ryan.

-- 
Sound crackles & snaps when SDL volume not set at 100%
https://bugs.launchpad.net/bugs/66483
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