Linux-audio-user October 2003

linux-audio-user@lists.linuxaudio.org

112 participants
140 discussions

RE: [linux-audio-user] activate second midi card

by Reuben Martin

> > The AC'97 controller can be autodetected because it's a PCI device, > > but this isn't the case for the MIDI port. > > > > Use the snd-mpu401 driver, and set the port and irq > parameters to the > > same values you've configured in the BIOS setup, i.e.: > > > > alias snd-card-0 snd-ice1712 > > alias snd-card-1 snd-intel8x0 > > alias snd-card-2 snd-mpu401 > > options snd-ice1712 index=0 > > options snd-intel8x0 index=1 > > options snd-mpu401 index=2 port=0x330 irq=10 > > > > Great! Thanks both of you! > > Where do I do this? In alsa config file or somewhere else? > (sorry for being so > stupid?) Generally it is in your /etc/modules.conf file Some distros auutomatically generate this file from other files though. In that case you have to modify the file that it uses to generate the ALSA section within modules.conf For example in Debian it's something like /etc/modutils/alsa On my Gentoo box it's found at /etc/modules.d/alsa Hope that helps. regards -Reuben

20 years, 6 months

Re: [linux-audio-user] Using the Hammerfall HDSP on Linux

by Daniel James

> > Which are the RME cards with stable support? > > There are none as far as I know. Maybe what we should do on this list is work out which are the best supported cards under Linux, using our collective experience. I've had no problems with the M Audio Delta 1010 or the SB Live 512, but I have had limited sucess with the Midiman DMAN PCI and the Turtle Beach Tropez Plus. Votes for / votes against, people? We should be able to figure out a top 5 or top 10 cards. Cheers Daniel

20 years, 6 months

[linux-audio-user] activate second midi card

by Ketil Thorgersen

Hi again Sorry to be bothering you so much since the information probably lies out there somewhere, but when I come to alsa-project.org and simular, I just get lost in all the tech-talk. (Quite annoying for someone with a phd to feel that lost... ) Anyway': Since the staudio c-port's midi in wont work (unless the patch on http://www.linuxhq.com/kernel/file/sound/pci/ice1712.c makes it work, but I couldn't find anything there to tell me how to a)check if I allready had tha patch, b)what it does, or c) how to apply it - being an old wintel gui slave is not satisfacotry...) I decided to activate the soundcard on my Asus P4T-E card. the soundcard is found by my mandrake 9.2 installation, but the midi port doesn't come up when I type 'aconnet -io'. Could aome kind soul be so kind as to show me how to find out if the midi in works and how to activate it? Your most humble fan! Ketil

20 years, 6 months

[linux-audio-user] Re: Using the Hammerfall HDSP on Linux

by Jonathan Segel

> >> > Which are the RME cards with stable support? >> >> There are none as far as I know. > >Maybe what we should do on this list is work out which are the best >supported cards under Linux, using our collective experience. I've >had no problems with the M Audio Delta 1010 or the SB Live 512, but I >have had limited sucess with the Midiman DMAN PCI and the Turtle >Beach Tropez Plus. > RME hammerfall multiface/planet-ccrma redhat 9.0 works great w/jack/alsa. midi i/o, 18 audio channels. -- _________________________________________________________________ Jonathan Segel -- MAGNETIC -- PO Box 460816 S.F. CA. 94146-0816 4014 Brookdale Ave. Oakland, CA 94619 jsegel(a)magneticmotorworks.com <-----> magsatellite(a)yahoo.com http://www.MagneticMotorworks.com tel (510) 534 7825 cell (510) 484 7415 fax (425) 955 4495

20 years, 6 months

[linux-audio-user] jackd -d alsa -d hw:0 -p512 / problem to start

by felix.news＠qodiga.com

HI! I was installed alsa + jackd, and jackd not start using this command line: # jackd -d alsa -d hw:0 -p512 And the output is an infinite lines just like the following lines... **** alsa_pcm: xrun of at least 0.019 msecs **** alsa_pcm: xrun of at least 0.051 msecs **** alsa_pcm: xrun of at least 0.016 msecs **** alsa_pcm: xrun of at least 0.015 msecs **** alsa_pcm: xrun of at least 0.020 msecs **** alsa_pcm: xrun of at least 0.014 msecs **** alsa_pcm: xrun of at least 0.025 msecs [...] But jackd is 'running' but not usable, because 'ardour' abort saying: 'jackd not present' What can I do? thanks a lot for your help, Felix

20 years, 6 months

[linux-audio-user] Problems with Ardour

by André Alves Pereira

Hi! First of all sorry by my very bad english... Now my problem. My right mouse button doesn't work with Ardour... I'm using Ardour/GTK 0.406.1 running with libardour 0.694.0 with Slackware 9.1 low latency kernel 2.4.22. I had this problem before and I resolve removing the ~/.ardour/ directory, but now this doesn't work... Anybody knows why? Thanks for any help! André Magoo

20 years, 6 months

[linux-audio-user] How to start Timidity as jack client?

by Ketil Thorgersen

Hi I see on http://timidity.sourceforge.net/ that timidity has jack support as of august, but it doesn't say anywhere how to start timidity as jack client. Does anyone know? Best Ketil

20 years, 6 months

[linux-audio-user] recent hydrogen / jack / ardour

by Paul Winkler

hi all, i've got recent cvs of ardour and jack and really wanna get a drum machine plugged into it. so, hydrogen. I got libhydrogen from cvs built fine, but hydrogen appears to require qt 3.2 and gentoo only seems to provider 3.1.2. D'OH! I think i can get 3.2 if i update world, maybe... which takes forever... ah the self-inflicted pain of gentoo :-) anybody know exactly what I need to compile hydrogen cvs? do i really need the whole thing of qt 3.2? -- Paul Winkler http://www.slinkp.com Look! Up in the sky! It's MARAUDER MOVER! (random hero from isometric.spaceninja.com)

20 years, 6 months

[linux-audio-user] question about libalsaplayer's functionality (and its possible incorporation in my app)

by Ivica Bukvic

Hi all, I've tried contacting the maintainer of the project (Andy), but he never bothered to reply, so now I am taking this question to all of you out there that might have had exposure to this interesting library. Does anyone know what is the current status of the whole project anyhow? Any help on this matter is greatly appreciated! When answering any of the given questions, please include the question in your reply. Thank you very much! So here's the excerpt from the letter: I've recently decided to incorporate libalsaplayer-like functionality the upcoming version of my app RTMix. However, with having a particular feature in mind I am wondering whether libalsaplayer provides that and if not, whether you'd be willing to add it (or let me add it, although that might get messy since I am not too familiar with the inner workings of the lib). So, here it goes: Apart from all the wonderful features libalsaplayer offers, I am looking for some additional ones: I would like to be able to indefinitely loop specific "ranges" of a particular soundfile (i.e. 2.2secs-4.12secs or whatever). 1. Is it possible to do this and have music continually loop even if one changes the direction of playing so that when the alsaplayer runs out of the looping material in each direction that it just jumps back onto the other end of the loop and contiues on (kind of like a ring-buffer)? 2. Is it also possible to do this kind of looping on the whole soundfile (the gui version of alsaplayer always stops if I let it play 'til the end or the beginning, depending in which direction I am going). 3. Is it possible to define loop points by addressing a particular sample number rather than giving time in seconds? 4. How stable is alsaplayer when looping really small chunks of sound (i.e. like 5 sample loop)? 5. Is alsaplayer capable of ramping such loop points by attenuating let's say ending 20 samples (it would be cool if this number could be user-selectable) and then ramping up the beginning 20 samples in order to alleviate the "pop" that happens when looping a sound where waveforms at the beginning and the end do not align? 6. If the feature in question 5 does not exist is there a way to control output level of a player on a per-sample basis via callback so that one can implement that outside of the lib? 7. If neither 5 or 6 are possible, would you be willing to implement such functionality (i.e. a toggle_ramp( bool ); and set_ramp_length( int ); callbacks or something similar. I would greatly appreciate your feedback on this matter as that will greatly assist me in determining how to go about implementing such functionality in my app. Thank you very much! Looking forward to hearing from you. Sincerely, Ivica Ico Bukvic, composer & multimedia sculptor http://meowing.ccm.uc.edu/~ico P.S. How do you implement reading of a sound faster and slower than it sounds in such a gradual fashion? Do you adjust the sampling rate of the DSP and if so does that affect other streams coming from the libalsaplayer, or is this something that is sound-specific (and if so, how)?

20 years, 6 months

[linux-audio-user] ALSA on Redhat - besides the Planet

by Frank Barknecht

Hallo, just a short information question: Is it true, that Redhat does not provide any ALSA packages themselves so people who want to run some of the many ALSA applications on Redhat will have to use third-party rpm's like Fernando's or from freshrpms.net? Is this really true? If yes, does someone know what RH's plans are regarding ALSA on kernel 2.6? ciao -- Frank Barknecht _ ______footils.org__

20 years, 6 months

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Linux-audio-user October 2003