Thread: ALSA Config. Question Multiple Devices

problem needs solved:
-=-=-=-=-=-=
capture audio multiple devices (on-board internal mic./line in, usb mic. etc...) , mux/merge 1 stream/device. plug'n'play support must. (if usb mic. unplugged , 1 plugged in there must way re'init system detects changes).


-=-=-=-=-=-=
must have's:
-=-=-=-=-=-=
system must able interface java in such way using java native targetdataline audio capture of mixed/muxed/merged stream works. (open alternatives, byte stream (bytebuffer) of captured audio data within java without using native targetdataline option)



os: ubuntu 10.10 (2.6.35-28-generic-pae #50-ubuntu i686 gnu/linux)
java version: latest

approaches taken:
-=-=-=-=-=-=
jackd jjack
-=-=-=-=-=-=
http://www.jackaudio.org/
http://jjack.berlios.de/

issue, jjack client , *.so not updated use latest jackd server. using version 1 of jackd , related jjack, audio captured within java silent. jackd has multiple x-runs, jjack , jackd don't connect.

-=-=-=-=-=-=
alsa
-=-=-=-=-=-=
http://www.jrigg.co.uk/linuxaudio/ice1712multi.html
https://wiki.archlinux.org/index.php...d_architecture
http://alsa.opensrc.org/udev
http://www.alsa-project.org/alsa-doc...m_plugins_dmix

issue, device wasn't ever setup due configuration issues.

so, next idea how configure alsa 'capture'/input devices place 1 virtual card, after which, jack launched , told use new virtual card. possible?

did manage make java conect jack?

tried loopback device, has issues

Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Multimedia Software [ubuntu] ALSA Config. Question Multiple Devices

Ubuntu