[PD] selecting the correct alsa soundcard via commandline ...

Derek Holzer derek at umatic.nl
Fri Jun 12 02:18:07 CEST 2009

 From same page:

% cat /usr/bin/asoundrc
# asoundrc v0.1.0 20090101 markc at renta.net GPLv3
# asoundrc v0.2.0 20090320 quatro_por_quatro at yahoo.es GPLv3
# A simple script to create a particular default audio device regardless
# of what cards are loaded or in what order. It could be used anytime or
# placed in a ~/.bashrc script for a persistent setup every login.
# Usage: asoundrc [DEFAULT_CARD] > ~/.asoundrc

# use the first parameter as the card name, or else
# look for the sound card, discarding those that are only microphones
# when there are multiple cards, use the first one
if default_card="${1:-$(cat "$(for f in $(ls -1 
/proc/asound/card[0-9]*/{midi,codec}* 2>/dev/null); do echo "${f%/*}"; 
done \
| sed -e '\|^[\[:blank:]\]$|d' -e 'q')/id" 2>/dev/null)}"; then
    echo "Using sound card: ${default_card}" >&2
    cat /proc/asound/card[0-9]*/id | \
    gawk --assign default_card="${default_card}" \
'{print "pcm."$1" { type hw; card "$1"; }\nctl."$1" { type hw; card 
"$1"; }" }
END {print "pcm.!default pcm."default_card"\nctl.!default 
    echo "Warning: No sound cards found." >&2

Derek Holzer wrote:
> It's been a while since I screwed around with this stuff, but I believe 
> that an .asoundrc file in your home directory might be what you need:
> http://alsa.opensrc.org/index.php/.asoundrc
> best,
> D.
> danomatika wrote:
>> Does anyone know of an easy way to get the correct audiodev # for a 
>> specific soundcard?  I am using an embedded environment and I need to 
>> start pd with the correct device in a situation where different 
>> devices may/may not be used.  In this case, the audiodev # may change.

::: derek holzer ::: http://blog.myspace.com/macumbista ::: 
http://www.vimeo.com/macumbista :::
---Oblique Strategy # 21:
"Be less critical"

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