Date: Tue, 4 Nov 1997 17:38:44 -0200 (EDT) From: Joao Carlos Mendes Luis <jonny@coppe.ufrj.br> To: hasty@rah.star-gate.com (Amancio Hasty) Cc: luigi@labinfo.iet.unipi.it, multimedia@FreeBSD.ORG Subject: Re: A small addition to the bt848 driver... Message-ID: <199711041938.RAA26899@gaia.coppe.ufrj.br> In-Reply-To: <199711040831.AAA00548@rah.star-gate.com> from Amancio Hasty at "Nov 4, 97 00:31:19 am"
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#define quoting(Amancio Hasty) // > precisely my point (however maybe something could be done in the // > driver to check at least that the "video.addr" does not point to // > pages of non-video RAM). // // Nope I rather keep this way for the purpose of future usage like dumping // video straight to a memory mapped region of a device other than // a video card. BTW: Is it already possible to mmap a file, and force the bktr driver to capture images direct to that file ? I think it's not easy, mostly because of paging boundaries, but the idea cativats me: Video direct from board to disk. :) Jonny -- Joao Carlos Mendes Luis jonny@gta.ufrj.br +55 21 290-4698 jonny@coppe.ufrj.br Universidade Federal do Rio de Janeiro UFRJ/COPPE/CISI PGP fingerprint: 29 C0 50 B9 B6 3E 58 F2 83 5F E3 26 BF 0F EA 67
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