On Fri, 2001-11-30 at 02:06, Alexander Ehlert wrote:
> Hi,
>
> I have the following code in glame's alsa_audio_out plugin:
>
> char *pcm_name="plughw:0,0";
> ...
> err = snd_pcm_open(&handle, pcm_name, SND_PCM_STREAM_PLAYBACK,
> SND_PCM_NONBLOCK);
> if (err<0)
> FILTER_ERROR_RETURN("couldn't open audio device");
> /* set back to blocking io */
> snd_pcm_nonblock(handle, 0);
>
> Now this works with a lot of cards, but strangely it doesn't work
> with the SB Live. I always get err=-22. But what the heck is
> -22 ? I grepped through the include files, but I couldn't find
> anything. Any ideas whats going wrong?
>
> BTW: The Alsa Lib has a strange way of error handling.
> Either it just quits your whole application with asserts or if
> you turn the asserts off it segfaults.
>
> Cheers, Alex
> --
>
It kind of slipped my mind, but I just fixed the ALSA 0.9.0betas related
problems with GLAME just yesterday. The problem with input dieing after
an overrun as well as cleaning up some of the parameter setting code. I
guess I didn't mention it because I was in the middle of adding a full
duplex plugin (actually just another routine in the alsa driver file). I
need to make a patch for the changes I made, which I will do as soon as
possible. Right now I should go to sleep though.
I have an SB Live! and it works fine BTW. If you want to figure out what
an error is use snd_strerror.
--
Josh Green
Smurf Sound Font Editor (http://smurf.sourceforge.net)
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