Date: Mon, 28 Apr 1997 20:24:12 +0300 (EEST) From: Narvi <narvi@haldjas.folklore.ee> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: multimedia@freebsd.org Subject: Re: the sound/ directory Message-ID: <Pine.BSF.3.95.970428201809.21427A-100000@haldjas.folklore.ee> In-Reply-To: <199704281519.RAA00441@labinfo.iet.unipi.it>
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On Mon, 28 Apr 1997, Luigi Rizzo wrote: > > 1) the sound/ directory in teh kernel sources looks like a mess with > > *several* files for different chipsets, many readme's, and other things > > all pushed into one subdirectory. > > this I don't know. In the same way one would argue that we should have, > under /sys/i386/isa > > scsi/ > net/ > sio/ > misc/ > It wouldn't perhaps be too bad. And I also did propose audio/ (just like there is scsi for the hardware device independent things like midi, audio, etc. There could also be generic soundfont (when we support downloadable soundfonts) driver. These all are not related to the isa bus and not even i386. Sander > all in all I'd keep all files in the same directory, at most trying to > cleanup/merge things, and leave the shuffling for a next step. > > > 2) Is full-duplex supported on some cards (esp. the sb16/32)? If no, is > > anybody out there working/interested in it? > > amy interested, nobody working actively. Amancio might start working on > this, using the 3.5 release of the (former) Voxware stuff. The current > code is based on the 3.0 release and, as I understand, full duplex is > only supported through a dirty hack on some cards. > > If that helps, both crystal, analog devices and Opti have online > docs on the various codecs used for full duplex boards (WSS/MSS): the > CS423x, AD1848/1845, Opti931. As far as I know there is no > documentation available on the net from Creative and Yamaha for > the Soundblaster, and FM synthesizer, or the midi stuff. > > Amancio, are you there :) ? > > Cheers > Luigi > -----------------------------+-------------------------------------- > Luigi Rizzo | Dip. di Ingegneria dell'Informazione > email: luigi@iet.unipi.it | Universita' di Pisa > tel: +39-50-568533 | via Diotisalvi 2, 56126 PISA (Italy) > fax: +39-50-568522 | http://www.iet.unipi.it/~luigi/ > _____________________________|______________________________________ >
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