[PD] pd start&alsa (maybe not...)

derek holzer derek at x-i.net
Mon Mar 29 01:57:39 CEST 2004

Hi Peter,

I have not sucessfully run my RME-HDSP with PD + ALSA. PD runs with the 
built-in soundcard of my laptop + ALSA, and the HDSP works fine with 
ALSA + any other app, but to use PD + HDSP, I must either use 
OSS-emulation or Jack. I would recommend going these routes, rather than 
fighting with ALSA.

Of course, if somebody else has this figured out, I'd love to hear about 


plessas at sbox.tugraz.at wrote:
> Dear List,
> spent a great deal of today's sunday installing alsa 1.0 for my rme-hdsp card,
> and compiling pd 0.37.1 from sourceforge. when trying to start pd and enabling
> the alsa feature in >Media i get:
> using non-interleaved audio input
> Sample width set to 4 bytes
> ALSA: set input channels to 14
> ALSA lib pcm_hw.c:324:(snd_pcm_hw_hw_params) SNDRV_PCM_IOCTL_HW_PARAMS failed:
> Operation not permitted
> snd_pcm_hw_params (input): Operation not permitted
> pd: pcm.c:4915: snd_pcm_sw_params_current: Assertion `pcm->setup' failed.
> Pd: signal 6
> pd_gui: pd process exited
> Perhaps thats me doing sth. wrong with permissions, and it might not be
> connected tp pd as well, though there might be someone giving me a hint what i
> could do to solve this.
> Thank you and have a nice week!
> Peter Plessas
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derek holzer ::: http://www.umatic.nl
---Oblique Strategy # 39:
"Cut a vital connection"

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