hello, finally i succeeded in installing pd 037 (rpm->deb package) on my debian laptop. after starting pd on the command line, all i get is just "system call timed out", while i'm not able to open anything, or create from the small gui window. does pd log errors somewhere, does anybody know what might be happening here ? thank you, jyrgen
pd@plakatif.net wrote:
does pd log errors somewhere, does anybody know what might
yes to the stderr...
be happening here ? thank you, jyrgen
might be a problem with your soundcard; try updating to pd-0.38 (the debian package in both sarge and sid is called puredata) ; tell us which soundcard you have and which drivers you are using (oss, alsa, jack)
mfg.a.dr IOhannes
hi IOhannes, thanks for your hints,
does pd log errors somewhere, does anybody know what might
yes to the stderr...
ok. but i don't know how to access stderr (i'm kind of linux newbie)
might be a problem with your soundcard; try updating to pd-0.38 (the debian package in both sarge and sid is called puredata) ; tell us which soundcard you have and which drivers you are using (oss, alsa, jack)
i tried pd -noadc -verbose
Pd version 0.37.0 compiled 18:53:38 Sep 17 2003 port 5400 Waiting for connection request... TCL_LIBRARY="/usr/lib/pd/tcl/library" TK_LIBRARY="/usr/lib/pd/tk/library" "/usr/lib/pd/bin/pd- gui" 5400 ... connected device 1: tried /dev/midi READ/WRITE; returned -1 device 0: tried /dev/midi00 READ/WRITE; returned -1 device 0: tried /dev/midi0 READ/WRITE; returned -1 device 0: tried /dev/midi00 READONLY; returned -1 device 0: tried /dev/midi0 READONLY; returned -1 couldn't open MIDI input device 0 device 0: tried /dev/midi00 WRITEONLY; returned -1 device 0: tried /dev/midi0 WRITEONLY; returned -1 couldn't open MIDI output device 0 opened 0 MIDI input device(s) and 0 MIDI output device(s). input channels = 0, output channels = 2 opened /dev/dsp for writing only
opened audio output on /dev/dsp; got 2 channels bytes per sample = 2 setting nfrags = 8, fragsize 1024
audiobuffer set to 50 msec OSS: requested audio buffer size 8820 limited to 8192
and then it worked, so i conclude there's a problem with the sound card IN channels. but i suffer from unbearable crackling and glitching (latency issue due to OSS ?). i guess i'd rather switch to ALSA. how do i do it ?
sound card is some cheap 'AC97'. (how can i find out more about the sound card ?)
i will try the 0.38 packages you mentioned. are they avail. at sourceforge ?
best, jyrgen
ps.: another problem is that linux boosts up the built-in laptop mic while booting. as a consequence one of the speakers broke because of a heavy feedback. :-( how can i avoid this ?
Hallo, pd@plakatif.net hat gesagt: // pd@plakatif.net wrote:
ps.: another problem is that linux boosts up the built-in laptop mic while booting. as a consequence one of the speakers broke because of a heavy feedback. :-( how can i avoid this ?
This sounds as if you are using the OSS drivers, which are the older drivers that were standard on Linux, but nowadays people use the ALSA drivers instead - they are the standard on Kernel 2.6 and also work well on 2.4 kernels. One obvious advantage of ALSA is, that every channel is muted per default, so that the mic thing cannot happen anymore. (Losing a mic is bad, but thrashing 3000 Euro speakers is something entirely different.)
Although Pd will work with the OSS drivers, it might be worth to install and run the ALSA drivers. ALSA provides a OSS compatibility mode (which is used by Pd as default even on ALSA systems btw.)
If you use ALSA, make sure you unmute the channels you like to play on or record from using the "alsamixer" program.
Ciao
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