Date: Tue, 08 Mar 2005 11:57:56 +0900 (JST) From: Kazuhito HONDA <kazuhito@ph.noda.tus.ac.jp> To: mat@cnd.mcgill.ca Cc: Alexander@Leidinger.net Subject: Re: uaudio patch, configurable buffer size Message-ID: <20050308.115756.343099305.kazuhito@ph.noda.tus.ac.jp> In-Reply-To: <20050307032823.GH4237@cnd.mcgill.ca> References: <20050306162811.694d9c82@Magellan.Leidinger.net> <20050307025927.GB951@kt-is.co.kr> <20050307032823.GH4237@cnd.mcgill.ca>
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Hi, From: Mathew Kanner <mat@cnd.mcgill.ca> Subject: Re: uaudio patch, configurable buffer size Date: Sun, 6 Mar 2005 22:28:23 -0500 > Per your other e-mail, as present in the source, is having the > default size of 16*1024 and doing bus_dma_tag_create with a maxsegz of > 0x3fff (16*1024-1) a bug? I think so. please see PR kern/74893 and this: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=84345+0+archive/2005/freebsd-multimedia/20050206.freebsd-multimedia By the way, I agree with you on the tunable buffersize for USB audio. According to my experience, however, if the buffer size can't be divided by 4, left and right channels interchange for a stereo sound source. Regards, Kazuhito HONDA
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