At Mon, 26 Mar 2007 15:40:00 +0200, Rene Herman wrote: > > On 03/26/2007 03:00 PM, Takashi Iwai wrote: > > >> Capture is broken on snd-es1968, at least if it is driving a ES1970MS-3D > >> (ESS Canyon 3D). The captured stream is "stuttering" like mad. > >> > >> Kernel 2.6.20 (ALSA 1.0.14-rc1) with alsa-lib 1.0.11 (my distribution's > >> version). Does not happen with a CS4236 in the same machine and same > >> software version(s). > >> > >> Don't know if this driver has a specific maintainer. If needed I guess I > >> can try to pin it down to some change. I hardly use capture on this card > >> but it wasn't always broken... > > > > What format and channels did you try? > > -f cd and -f dat > > > The capture on maestro2 is troublesome because it uses > > non-interleaved format for capture. So, recording a mono stream may > > still work. > > Yes, you're right. All combinations of -f U8/S16_LE and -r 44100/48000 > work as long as -c is 1. With -c 2 the stutter is there. > > > Also, to be sure, could you try the capture via oss emulation? > > Works fine, no stuttering: > > sox -t ossdsp -w -s -r 44100 -c 2 /dev/dsp foo.wav Then it might be some bugs in alsa-lib deinterleving code. Please try the latest alsa-lib first, then let's chase the bug. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel