The funny thing about Bill's predicament is that I don't know of any test program in Linux that exercises simultaneous audio input and output -- if Pd fails, I don't know how to set about deciding whether it's a problem with Pd or with OSS (or Alsa or whatnot.) I'm using Pd0.28TEST6 right now and enjoying full duplex, for what that's worth... (available for Linux only so far, from www.crca.ucsd.edu/~msp/Software)
cheers Miller
On Sun, Nov 14, 1999 at 05:03:15PM -0700, Bill Sack wrote:
Sometime back around pd-0.23 or so, i had more-or-less duplex operation happening - that is, i was able to use bonk~ and run some other patches requiring both audio input and output. This was on a Dell PII 350 w/ RH 5.0 and commercial OSS drivers. At some point, Very Bad Things happened to the filesystem on that machine - so i installed RH 6.0, the current OSS package and pd-0.26. Now, audio output works fine, but if i start pd without the -noadc flag the following appears:
OSS: device Nr. 1 on /dev/dsp pd: OSS: requiring extra adc handles pd: OSS: requiring extra adc handles OSS: failed to open /dev/dsp2 read only
...
Bill Sack bsack@toast.net wsack@acsu.buffalo.edu