Re: env LD_PRELOAD=/usr/lib/libaoss.so ....

[Takashi Iwai <tiwai@suse.de>]

At Thu, 16 Oct 2003 17:56:10 +0200,
Dr. med. G╴nther Montag wrote:
> 
> Hallo Takashi!
> > ~/.asoundrc.  simply add
> >
> > 	pcm.dsp0 pcm.default
> >
> Thanks! It helped one step more!
> Now:
> ***
> hfkernel[1488]: hfkernel 0.4.2 starting...
> hfkernel[1488]: Your soundcard is full duplex capable.
> Good; the reference time will be
> derived from the sample clock, which should be accurate within +-20ppm.
> So I hope your soundcard uses 'real' crystals instead of cheap ceramic
> resonators. Adjust the clock with the soundcard correction factor.
> ALSA lib pcm_plug.c:727:(snd_pcm_plug_hw_refine_schange) Unable to find an 
> usable access for 'dsp0'
> hfkernel[1488]: error: probe_oss: mmap: ibuf: PROT_READ: Invalid argument

hmm, how about the following?

	pcm.dsp0 {
		type hw
		card 0
	}


> ***
> without success I  tried the things in the oss-emulatiuon.txt with echoing 
> direct or block or non-block into /proc/asound/card0/pcm0c/oss etc.
> in all variations.

this proc file is for kernel OSS-emulation.
you were doing the user-space OSS-emulation via alsa-oss library.
they are different mechanisms.

if you start the oss application without libaoss wrapper, the kernel
OSS-emulation is used.  in this case, you need to set up the correct
modules and device permissions, etc.


Takashi


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