On 10/09/2009 07:06 PM, Dan S wrote: > 2009/10/7 Paul Davis<paul@xxxxxxxxxxxxxxxxxxxxx>: > >> On Wed, Oct 7, 2009 at 9:58 AM, Dan S<danstowell+lxau@xxxxxxxxx> wrote: >> >> >>> This thread<http://www.mail-archive.com/alsa-user@xxxxxxxxxxxxxxxxxxxxx/msg23839.html> >>> suggests that using .asoundrc to aggregate the two devices into one >>> virtual device should work, but for me it simply doesn't, the virtual >>> device never shows up in qjackctl and even jackd from commandline >>> can't connect to it by name. >>> >> can aplay? if not, start there. >> > Forgive the ignorance but what sort of string does aplay's "-d" option > need? I tried the device names that qjackctl shows me (namely default, > hw:0, hw:1,0, hw:1) and only "default" worked (I expected hw:0 also to > work since that's the same as default, i.e. the internal card). All > other options return immediately with error and don't play. > > aplay -f cd -d hw:1,0 xxxx.wav That should record a cd quality wav file on the fastrack pro i/o 1/2 > Here's what aplay -l gives: > > **** List of PLAYBACK Hardware Devices **** > card 0: Intel [HDA Intel], device 0: ALC861VD Analog [ALC861VD Analog] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: Pro [FastTrack Pro], device 0: USB Audio [USB Audio] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: Pro [FastTrack Pro], device 1: USB Audio [USB Audio #1] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > > I tried various device names like "Intel", "HDA Intel", "Pro", > "FastTrack Pro", "USB Audio" and they all give the answer "unknown > PCM". Device names "hw" "hw:0" "hw:1" "hw:1,0" give this: > > Playing WAVE 'a11wlk01.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono > aplay: set_params:909: Channels count non available > > > If I use the device name "multi" (the name I specified for the virtual > device) I get > > ALSA lib pcm_multi.c:1169:(_snd_pcm_multi_open) Invalid or missing > schannel for channel 3 > aplay: main:550: audio open error: Invalid argument > > Grateful for any suggestions - > > Thanks > Dan > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user > _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
