Date: Mon, 1 Nov 1999 19:41:45 +0900 (JST) From: sanpei@sanpei.org (MIHIRA Yoshiro) To: dmmiller@cvzoom.net Cc: rbezuide@oskar.dev.nanoteq.co.za, dfr@nlsystems.com, current@FreeBSD.ORG, sanpei@sanpei.org, fwkg7679@mb.infoweb.ne.jp Subject: Re: ESS sound drivers and 4.0-current Message-ID: <199911011041.TAA28726@lavender.yy.cs.keio.ac.jp> In-Reply-To: Your message of "Mon, 1 Nov 1999 19:19:53 JST". <Pine.BSF.4.20.9911010514400.1496-100000@lcm202.cvzoom.net>
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>> Thanks for the patch; I'll try it. I have the ESS 1868 isa card. The
>> problem I'm having isn't really volume problems. When I use RealPlayer
>> 5.0, certain realaudio clips play through extremely fast, and I can hear
>> the sound in bursts along the way. The speed/sample rate itself doesn't
>> increase, but the entire clip whizzes by extremely fast, and I hear
>> short bursts of the clip. Maybe the clip isn't being memory mapped
>> properly?
try below patch for -current which was written by Kurosawa-san
<fwkg7679@mb.infoweb.ne.jp>.
--- sys/dev/pcm/isa/sb.c.org Tue Sep 7 17:42:44 1999
+++ sys/dev/pcm/isa/sb.c Mon Sep 13 23:38:45 1999
@@ -880,9 +880,9 @@
ess_format(struct sb_chinfo *ch, u_int32_t format)
{
struct sb_info *sb = ch->parent;
- int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
- int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0;
- int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
+ int play = (format == PCMDIR_PLAY)? 1 : 0;
+ int b16 = (format & AFMT_S16_LE)? 1 : 0;
+ int stereo = (format & AFMT_STEREO)? 1 : 0;
u_char c;
ch->fmt = format;
sb_reset_dsp(sb);
--- sys/dev/pcm/dsp.c.orig Sun Sep 5 02:03:59 1999
+++ sys/dev/pcm/dsp.c Mon Sep 13 23:40:10 1999
@@ -54,8 +54,18 @@
if ((d->flags & SD_F_PRIO_SET) == SD_F_PRIO_SET)
panic("read and write both prioritised");
if (d->flags & SD_F_SIMPLEX) {
+#if 0
*rdch = (d->flags & SD_F_PRIO_RD)? d->arec[chan] : &d->fakechan;
*wrch = (d->flags & SD_F_PRIO_WR)? d->aplay[chan] : &d->fakechan;
+#else
+ if (!(d->flags & SD_F_PRIO_SET)) {
+ *rdch = d->arec[chan]? d->arec[chan] : &d->fakechan;
+ *wrch = d->aplay[chan]? d->aplay[chan] : &d->fakechan;
+ } else {
+ *rdch = (d->flags & SD_F_PRIO_RD)? d->arec[chan] : &d->fakechan;
+ *wrch = (d->flags & SD_F_PRIO_WR)? d->aplay[chan] : &d->fakechan;
+ }
+#endif
} else {
*rdch = d->arec[chan];
*wrch = d->aplay[chan];
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