At Thu, 03 Aug 2006 19:22:57 +0400,
Krivenok Dmitry wrote:
>
>
>
> -----Original Message-----
> From: Takashi Iwai <tiwai@xxxxxxx>
> To: Krivenok Dmitry <_asr_@xxxxxxxx>
> Date: Thu, 03 Aug 2006 16:41:46 +0200
> Subject: Re: Re[8]: Virtual sound card
>
> >
> > At Thu, 03 Aug 2006 18:36:32 +0400,
> > Krivenok Dmitry wrote:
> > >
> > > > > This is mplayer's log:
> > > > > krivenok-home ~ # strace mplayer Uno_momento.mp3 2>log2
> > > > > krivenok-home ~ # grep snd log2
> > > > > open("/dev/snd/controlC0", O_RDWR) = 5
> > > > > open("/dev/snd/pcmC0D0p", O_RDWR|O_NONBLOCK) = 6
> > > > >
> > > > > OK :)
> > > > >
> > > > > P.S.
> > > > > Is there a way to use separate files for in/out?
> > > >
> > > > You can define different PCMs for playback and capture and bind them
> > > > using asym plugin, such as:
> > > >
> > > > pcm.!hw {
> > > > type asym
> > > > playback.pcm {
> > > > type file
> > > > slave.pcm {
> > > > type hw
> > > > card 0
> > > > }
> > > > file "foo.out"
> > > > }
> > > > capture.pcm {
> > > > type file
> > > > slave.pcm {
> > > > type hw
> > > > card 0
> > > > }
> > > > file "foo.in"
> > > > }
> > > > }
> > > >
> > >
> > > It works with skype and mplayer, but aplay crashs (SegFault):
> >
> > Ouch. Could you get a backtrace via gdb?
> >
>
> aplay.c:921 snd_pcm_name(handle) == NULL, hence SegFault :(
Yep, try the patch below.
Takashi
diff -r 821d98a655de aplay/aplay.c
--- a/aplay/aplay.c Thu Jul 27 11:02:00 2006 +0200
+++ b/aplay/aplay.c Thu Aug 03 17:21:25 2006 +0200
@@ -918,8 +918,9 @@ static void set_params(void)
if ((float)rate * 1.05 < hwparams.rate || (float)rate * 0.95 > hwparams.rate) {
if (!quiet_mode) {
char plugex[64];
+ const char *pcmname = snd_pcm_name(handle);
fprintf(stderr, _("Warning: rate is not accurate (requested = %iHz, got = %iHz)\n"), rate, hwparams.rate);
- if (strchr(snd_pcm_name(handle), ':'))
+ if (! pcmname || strchr(snd_pcm_name(handle), ':'))
*plugex = 0;
else
snprintf(plugex, sizeof(plugex), "(-Dplug:%s)",
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