Date: Sun, 02 Apr 2000 23:37:43 +0900 From: MIHIRA Sanpei Yoshiro <sanpei@sanpei.org> To: sobomax@altavista.net Cc: cg@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/dev/sound/isa ess.c Message-ID: <200004021437.XAA34730@lavender.yy.cs.keio.ac.jp> In-Reply-To: Your message of "Sun, 02 Apr 2000 02:50:01 %2B0300" References: <38E68B29.2055235C@altavista.net>
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>I've stuck into this problem on my OPL3-SA based soundcard, where >64KB (!!!) buffer provided by default, while apps trying to get >from driver much less buffer space (usually up to 1K). For example, >all games using the SDL library was fouled thinking that buffer is >empty (as the select() suggested so) and keeping pumping data into >there until it completely filled those famous 64KB, which on 22KHz >turns into 3 second delay in sound effects. > >I've even wrote testcase exposing this problem and ready to send it >to anyone who want to look into this problem. I think so too. Some sound application software(especially for GAME, for example, games/xgalaga, games/rollemup in ports collection) has this buffer problem. I also think, we need to add sysctl for buffer size. --- MIHIRA Sanpei Yoshiro Yokohama, Japan. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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