[linux-audio-user] beginner

[Jan Depner]

You probably need to run as root.  Check my page -
http://myweb.cableone.net/eviltwin69/ALSA_JACK_ARDOUR.html.  It's
somewhat out of date but it might help.

Jan

On Wed, 2004-03-31 at 17:55, Josenildo Marques wrote:
> Hello.
> 
> I've been out of luck trying to work with sound on Linux. My experience
> with Audacity, Jack and Ardour haven't been successful at all.
> I was trying to create a .asoundrc file as, from what I read, it would
> be one of the first necessary steps.
> My soundcard is
> [cyb at kali cyb]$ cat /proc/asound/cards
> 0 [Live           ]: EMU10K1 - Sound Blaster Live!
>                      Sound Blaster Live! (rev.8) at 0xa800, irq 10
> 
> and it's working well and I'm running Mandrake Linux 9.2 with Gnome.
> My attempt at editing a .asoundrc file is shown below
> 
> pcm.!sb {
> 	type hw
> 	card 0
> 	}
> 
> 	ctl.!sb {
> 	type hw           
> 	card 0
>         }
> pcm.jackplug {
> 	        type plug
> 	        slave { pcm "jack" }
> 	}
> 
> 	pcm.jack {
> 	        type jack
> 	        playback_ports {
>  	               0 alsa_pcm:playback_1
>  	               1 alsa_pcm:playback_2
>  	       }
>  	       	capture_ports {
>  	               0 alsa_pcm:capture_1
>                 	1 alsa_pcm:capture_2
>         	}
> 	}
> 
> which I copied and pasted from the Alsa site. Apparently it is working
> because when I issued some commands to play a file they worked.
> [cyb at kali cyb]$ aplay -d sd docs/voz.wav
> Playing WAVE 'docs/voz.wav' : Signed 16 bit Little Endian, Rate 44100
> Hz, Stereo[cyb at kali cyb]$ aplay -djackplug docs/voz.wav
> Playing WAVE 'docs/voz.wav' : Signed 16 bit Little Endian, Rate 44100
> Hz, Stereo
> 
> However, Jack is not working properly and when I try to run Ardour all
> my running apps are killed and disappear.
> Jack shows the following messages:
> 
> JACK compiled with System V SHM support
> loading driver ..
> open
> starting engine
> cannot set thread to real-time priority (FIFO/10) (1: Operation not
> permitted)
> cannot set thread to real-time priority (FIFO/20) (1: Operation not
> permitted)
> **** alsa_pcm: xrun of at least 10.319 msecs 
> 
> I'm very sorry if the message is bit lengthy, but I wanted to give all
> the info that I think is needed. Any tip or hint appreciated.
> TIA
> 
> 
> -- 
> josenildo marques 
> icq #289971493 
> homepage http://cyb.ezdir.net
> registered linux user #341648
> *********
> "Mistakes are the portals of discovery." James Joyce
>