Date: Tue, 09 Nov 1999 01:58:54 +0000 From: Roger Hardiman <roger@cs.strath.ac.uk> To: The Utz Family <utz@serv.net> Cc: Randall Hopper <aa8vb@ipass.net>, multimedia@FreeBSD.ORG Subject: Re: bt848 w/ 3.3 Message-ID: <38277FDE.4BF88B3@cs.strath.ac.uk> References: <Pine.BSF.4.02.9911081711030.34856-100000@itchy.serv.net>
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Hi > this is actually a pretty typical problem with video processing. the > company that i interned at designed and manufactured security camera > mutliplexing equipment and these kind of glitches came up all of the time > in there fpga designs. > > so, does the bt848( or whatever chip is in questio ) have a +/- or o/e > line that indicates what scan line it has just emitted? It does. There is an output pin which signels even or odd which can be used for 'exernal applications'. After further testing, it may be a settling down problem. It seems to do this glitch on the first frame after initialising the bt848 and is stable after that. Roger To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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