Date: Mon, 7 Mar 2005 12:04:19 +0900 From: Pyun YongHyeon <yongari@kt-is.co.kr> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: Mathew Kanner <mat@cnd.mcgill.ca> Subject: Re: uaudio patch, configurable buffer size Message-ID: <20050307030419.GC951@kt-is.co.kr> In-Reply-To: <20050306184416.5603976c@Magellan.Leidinger.net> References: <20050305224005.GC4237@cnd.mcgill.ca> <20050306162811.694d9c82@Magellan.Leidinger.net> <20050306171027.GE4237@cnd.mcgill.ca> <20050306184416.5603976c@Magellan.Leidinger.net>
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On Sun, Mar 06, 2005 at 06:44:16PM +0100, Alexander Leidinger wrote: > > So either we need a format converter in the kernel (looks ugly to me, it > belongs IMHO into the userland, but NetBSD seems to have this > possibility in the kernel), or we need to reject incompatible use. > AFAIK, we already have format converter in kernel. See feeder_fmt.c. The converter detects differences between hardware capabilities and audio samples and automatically converts it(e.g. big endian <->little endian, mono <-> stereo, signed <-> unsigned, ulaw<->alow etc). -- Regards, Pyun YongHyeon http://www.kr.freebsd.org/~yongari | yongari@freebsd.org
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