Date: Tue, 9 Jun 1998 08:54:32 -0700 (PDT) From: Julian Elischer <julian@whistle.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: Amancio Hasty <hasty@rah.star-gate.com>, sos@FreeBSD.ORG, eivind@yes.no, jkh@time.cdrom.com, current@FreeBSD.ORG Subject: Re: Switching sound drivers (was Re: cvs commit: src/sys/i386/isa/snd Message-ID: <Pine.BSF.3.95.980609085237.26256C-100000@current1.whistle.com> In-Reply-To: <199806090159.DAA17257@labinfo.iet.unipi.it>
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I have only one requirement.. All the audio ports should work. presently many do not with -current. (at least I can't get them to work) julian On Tue, 9 Jun 1998, Luigi Rizzo wrote: > > > so where are your questions :) > > > > He is wondering if you have bothered to read the old sound driver > > i probably did long ago but don't would prefer to read/hear a high-level > specification of what the code should do. The things i have read so far > have left me a little bit confused, e.g. at first i thought that you > could fill the buffer and let it play it forever, but some docs on the > oss site seem to suggest that samples are cleared after having been > played (to mask/avoid "looping" problems). > > > code, if you have a sample program to test your dma code and if it > > there was a sample program on the wss site, yes, but the goal is to run > real apps and those may differ from the sample > > > is fully compatible with the old sound driver in -current. > > at the moment it is not in the sense that you cannot pass sync. > information around. Thinking more about it, probably only one ioctl > (TRIGGER or so ?) is missing -- because you can already mmap the > buffers and fetch the DMA pointers as required. > > 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/ > _____________________________|______________________________________ > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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