Erik Inge Bolsų wrote:
> I'm having trouble doing snd_pcm_hw_params_can_pause() on a certain pcm,
> even though it has already (hopefully?) been fixed to one config by
> snd_pcm_hw_params()... snd_pcm_hw_params has been called, at least. How
> can I check?
>
> fileja {
> type file
> file /tmp/alsa
> slave.pcm null
> }
>
> xine: pcm.c:2604: snd_pcm_hw_params_can_pause: Assertion `params && params->info !=
> ~0U' failed.
Apparently, the null pcm doesn't initialize params->info.
The patch below should help.
HTH
Clemens
--
Index: alsa-lib/src/pcm/pcm_null.c
===================================================================
RCS file: /cvsroot/alsa/alsa-lib/src/pcm/pcm_null.c,v
retrieving revision 1.50
diff -u -r1.50 pcm_null.c
--- alsa-lib/src/pcm/pcm_null.c 17 Mar 2004 11:48:15 -0000 1.50
+++ alsa-lib/src/pcm/pcm_null.c 30 Apr 2004 09:38:09 -0000
@@ -276,6 +276,9 @@
{
int err = snd_pcm_hw_refine_soft(pcm, params);
params->fifo_size = 0;
+ params->info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_PAUSE;
return err;
}
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