Linux-audio-user

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20639 discussions

[linux-audio-user] Help with Midi Express XT setup, what am I doing wrong here?

by Kent, Gary

Hi: Haven't posted to this list before, but have been using Linux audio for awhile. Any help for a linux midi newbie? I have a Motu Midi Express XT interface which I can't seem to configure correctly. I have been through all of the tutorials on the Planet CCRMA website for USB midi setup, as well as tweaked /etc/hotplug, /etc/blacklist and the /etc/modules.conf (snd_limit=4 for two devices: audio card and midi interface) with no good results. Anyone know of a place where I can find some tips on how to set this device up? I have a SoundBlaster Live card and am going to make the move to RME pretty soon. The Motu Express XT falls into the machine ok, but I can't make it sit in the machine without it stealing my audio card. I.e. I can't make both devices work at the same time. Any tips? Thanks very much for any help given, gk

21 years, 5 months

[linux-audio-user] syncing ardour and muse

by Piotr Sawicki

Hi, How to set ardour.rc file to use raw virtual midi provided by snd-virmidi and how to configure the same midi interface as midi port in muse? Thanks Piotr -- Kopalnia Dźwięku Piotr Karol Sawicki email: pelle(a)plusnet.pl strona domowa: www.piotr.art.pl

21 years, 5 months

[linux-audio-user] horgand-1.06 Released.

by holborn

Hi! Horgand ... is a organ, jack capable who generates sound with a FM based synthesizer, also provides DSP effects and a small programable accompaniment in wave table. Requires: FLTK ALSA JACK LIBSNDFILE News on 1.06 -------------------- - Sound engine changed (20 Carriers) (10x2)(stereo) - Improved Detune for stereo effect. - Added drawbar conversion to marimba - Added Volume for organ section. - Master Volume now control the whole organ. - Update jack-process - Fixed bug in change programs. - File format changed, new default bank released - Improved Tremolo Speed. - Improved ADSR. - Man File updated. - Fixed bug in command line. - Split source code for future development. available in: http://horgand.berlios.de Thanks Josep

21 years, 5 months

[linux-audio-user] Vstserver v0.3.1

by Kjetil Svalastog Matheussen

Vstserver is a program that must be running when using programs using vstlib. Vstlib is a library that can be used by programs to run windows vst audio plugins under i386linux/i386freebsd/i386solaris/i386etc. (May require som modifications for other os-es than i386linux). A tutorial for vst plugins in linux can be found here: http://www.djcj.org/LAU/quicktoots/toots/vst-plugins/ A list of some of the plugins working and not working: http://80.61.20.184/vst/ 0.3.0 -> 0.3.1: -Added a watchdog for the processthread if its running SCHED_FIFO. If the processthread use more than 10 seconds to process a chunk, it should be killed. Tested with an endless loop, and it seems to work. -Added "make install" and "make uninstall". -Updated the INSTALL file. The installation should now be a bit easier. Download source from: http://www.notam02.no/arkiv/src/ Mandrake users can find rpm packages here: http://rpm.nyvalls.se/ --

21 years, 5 months

[linux-audio-user] setting virmidi in modules.conf makes an jack error?

by Piotr Sawicki

Hi, I have problems with configuring virmidi and running jack. According to howto from: http://linux-sound.org/quick-toots/4-sequencers_and_softsynths/quick-toot-m… I have set /etc/modules.conf like this: above snd-ice1712 snd-pcm-oss # Configure support for OSS /dev/sequencer and # /dev/music (aka /dev/sequencer2) # (Takashi Iwai advises that it is unnecessary # to alias these services beyond the first card, i.e., card 0) alias sound-service-0-1 snd-seq-oss alias sound-service-0-8 snd-seq-oss # Configure card 1 (second card) as a virtual MIDI card alias sound-slot-1 snd-card-1 alias snd-card-1 snd-virmidi alias sound-slot-0 snd-ice1712 Then I want to run qjackctl as usual, but I get an error: could not connect to jack server as client and when I type in console: [root@pececik piotr]# jackd -d alsa -d hw:0 jackd 0.94.3 Copyright 2001-2003 Paul Davis and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details loading driver .. creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|rt|32bit ALSA lib pcm_hw.c:1055:(snd_pcm_hw_open) open /dev/snd/pcmC0D0p failed: No such file or directory jackd: pcm.c:687: snd_pcm_nonblock: Assertion `pcm' failed. Aborted (core dumped) [root@pececik piotr]# If I comment these lines in modules.conf and restart alsa, everything works perfectly, so what am I doing wrong? Thanks Piotr -- Kopalnia Dźwięku Piotr Karol Sawicki email: pelle(a)plusnet.pl strona domowa: www.piotr.art.pl

21 years, 5 months

[linux-audio-user] Re: [PD] pd -jack alsa - pd crash needs reboot

by Frank Barknecht

Hallo, rob canning hat gesagt: // rob canning wrote: > i am running pd 0.37.0 as root with the latest kernel from > planetccrma with -jack using Qjackctl as user - i am using alsa > 1.0.1 with a hdsp card on RH.9 P4 2.6 with 2gigs of dual channel > ram > > jackstart -R -d alsa -d hw:0 -r 44100 -p 1024 & (or somthing like that) If you run as root (generally *not* a good idea) then you don't need to use jackstart! > pd -rt -jack > > whenever i use the plugin~ 0.2 (LADSPA) external, the smallest thing > (select all- drag) This is not that small a thing to do for Pd. > causes pd to crash and the only way it will > restart is by doing a reboot. > > i just tried without plugin~ and get the same thing though plugin~ > does seem to like to crash my system quite easily.. > > here is the last jack error: > > subgraph starting at pure_data_0 timed out (subgraph_wait_fd=24, status = 0, state = Running) > client pure_data_0 error: awake_at = 663526372 state = 2 timed_out = 2 > **** alsa_pcm: xrun of at least 11.868 msecs > 13:32:56.712 Audio connection graph change. > 13:32:56.712 XRUN callback. (4) > 13:32:56.837 Audio active patchbay scan... > > i can't restart pd with either -jack (with the jack server running) > or -alsa (with the jack server off) unless i reboot Is there still a pd running somewhere? Check with "ps aux". > sometimes i get the audio in/out stuck - closing error sometimes but > mostly the watchdog: signaling pd error just keeps appearing Do you run the latest test version from Miller's site? I would recommend doing this. Also in s_inter.c try to change this line in sys_set_priority: p3 = (higher ? p2 - 1 : p2 - 3); to be that: // p3 = (higher ? p2 - 1 : p2 - 3); p3 = (higher ? p1 + 3 : p1 + 1); instead, and in s_audio_jack.c find (around line 60) this: } else { /* PD could not keep up ! */ if (jack_started) sys_log_error(ERR_RESYNC); and throw out the sys_log_error like: } else { /* PD could not keep up ! */ // don't call log_error in jack process: // if (jack_started) sys_log_error(ERR_RESYNC); then recompile. This once did wonders here for letting Pd coexist with Jack. ciao -- Frank Barknecht _ ______footils.org__

21 years, 5 months

[linux-audio-user] pd -jack alsa - pd crash needs reboot

by rob canning

Hi, i am running pd 0.37.0 as root with the latest kernel from planetccrma with -jack using Qjackctl as user - i am using alsa 1.0.1 with a hdsp card on RH.9 P4 2.6 with 2gigs of dual channel ram jackstart -R -d alsa -d hw:0 -r 44100 -p 1024 & (or somthing like that) pd -rt -jack whenever i use the plugin~ 0.2 (LADSPA) external, the smallest thing (select all- drag) causes pd to crash and the only way it will restart is by doing a reboot. i just tried without plugin~ and get the same thing though plugin~ does seem to like to crash my system quite easily.. here is the last jack error: subgraph starting at pure_data_0 timed out (subgraph_wait_fd=24, status = 0, state = Running) client pure_data_0 error: awake_at = 663526372 state = 2 timed_out = 2 **** alsa_pcm: xrun of at least 11.868 msecs 13:32:56.712 Audio connection graph change. 13:32:56.712 XRUN callback. (4) 13:32:56.837 Audio active patchbay scan... i can't restart pd with either -jack (with the jack server running) or -alsa (with the jack server off) unless i reboot sometimes i get the audio in/out stuck - closing error sometimes but mostly the watchdog: signaling pd error just keeps appearing any ideas? or, if not, is there anyway i can reinitiate things without having to do a reboot? thanks, rob www.robcanning.utvinternet.com

21 years, 5 months

[linux-audio-user] Re: Re: linux-audio-user Digest, Vol 5, Issue 27

by Kjetil Svalastog Matheussen

stefan kersten: > On Thu, Feb 12, 2004 at 09:24:28AM +0100, Kjetil Svalastog Matheussen wrote: > > > I don't know about other garbage-collected languages, but > > > there is no way to temporarily disable GC in Python, > > > nor any way to force it to run at a particular time. > > > > > > > Yes, but python have a reference-count garbage collector, so > > the problem shouldn't matter for python. > > note that reference counting behavior doesn't differ that > much from a sweeping gc: as soon as a count to a large > object tree drops to zero the whole tree will be freed > instantly, causing an indeterminate delay in execution, > unless you defer free operations until there is time to > perform them. additionally, AFAIK python uses malloc/free > for memory management, which are inherently non-realtime. > Sure, thats true. But at least compaired to the guile GC which stops the world for many many ms-s, its much more predictable. > i'm not sure if turning off gc is a real solution for (long > running) musical applications. why'd you have a gc in the > first place? Smaller and more elegant programs. Less time used on finding bugs. Probably more reasons. --

21 years, 5 months

[linux-audio-user] Re: linux-audio-user Digest, Vol 5, Issue

by Kjetil Svalastog Matheussen

Bill Schottstaedt: > > > By the way, I am not able to turn off guile's garbage collector. > > Try ++scm_block_gc. Then to turn it back on, --scm_block_gc. > Thank you very much. I'll try that. --

21 years, 5 months

[linux-audio-user] Why doesn't this link work?

by Marv Smoak

I guess it's a character flaw on my part but this is driving me nuts. Yesterday I spent a couple of hours trying to figure out why my system does not play an audio clip at the site below. The clip is from an NPR show, SoundMoney, and is of interest to my wife, a prof in the School of Business at Xavier University. Her machine, running that other OS, plays it; mine RH 8.0 from Planet CCRMA (vintage March 2003) plays Real streams with no problems; I use it every day. (note some long lines below may have "wrap"ed.) At the NPR SoundMoney site there is a link to http://www.reppe.com/ At that site (below the picture) we see: Rik's Latest on NPR's Sound Money 2/7/04 - Why Capitalism Rocks: Twix, Frisbees, and the Grateful Dead Listen the Listen link is to: http://www.soundmoney.org/play/audio2.php?media=/2004/02/07_soundmoney&star… When I click on it, my Konqueror browser asks what program to open it with. If I say Konqueror, the Konqueror displays the audio2.php file: <smil> <body> <seq> <audio src="rtsp://a754.v5559f.c5559.g.vr.akamaistream.net/ondemand/7/754/5559/v001/mpr…" clip-begin="00:00:53:24.0" clip-end="00:00:57:54.5"/> </seq> </body> </smil> Usually, Konqueror opens real streams with realplay with no problems. If I say open with realplay, realplay comes up and fails to play, complaining that "Some component is missing ..." After much searching on google and google groups, I think I've learned that the web site itself is failing to execute the .php file and not sending the stream. I also tried using Mozilla and wget with the same results. This is not an important problem for me, but it is bugging me to the point of distraction. Do any of you folks understand what's happening and why my wifes OS plays and mine won't?

21 years, 5 months

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Linux-audio-user