Messages in this thread | | | Date | Sat, 27 Feb 1999 19:19:40 -0500 (EST) | From | Rafael Reilova <> | Subject | Re: Multiple applications using sound drivers? |
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On Sat, 27 Feb 1999, Brandon S. Allbery KF8NH wrote:
> In message <Pine.SOL.3.96.990227175458.1212B-100000@gauguin.ececs.uc.edu>, Rafa > el Reilova writes: > +----- > | I think the un*x way is to have a sound server processs manage the > | different sound sources from userspace, and have only the sound server > | talk directly to the kernel drivers. Of course, all programs which talk > | directly to /dev/dsp would have to be recoded to use the sound server > | library and API. > +--->8 > > Not necessarily. esd, for instance, provides an "esddsp" script which > LD_PRELOADs a shared library which intercepts opens of /dev/dsp and opens > a channel to esd instead. (Of course, this fails for setuid programs.)
OK, I stand corrected :) But does esddsp still work when the program uses mmap() on /dev/dsp and some of the other advanced synchronization features such as the ioctl(..,TRIGGER_xxx) and select().
Cheers,
-Rafael
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