Date: Tue, 11 Mar 1997 23:12:56 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Steve Passe <smp@csn.net> Cc: multimedia@FreeBSD.ORG Subject: Re: Mixed results w/ WinCast/TV Message-ID: <Pine.BSI.3.94.970311223050.1189B-100000@localhost> In-Reply-To: <199703071803.LAA25359@clem.systemsix.com>
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On Fri, 7 Mar 1997, Steve Passe wrote: > the code I posted via email doesn't support cable channels, only broadcast. > The code on the web page does have a routine for cable, but I can't remember > if I added an ioctl to select it. and it hasn't been tested for lack of cable. Hm, that was stuck in the mail queue. To bring the world up on my situation: I'm on the committed code from http://www.freebsd.org/~fsmp/HomeAuto/files/bt848.tar.gz or something like that. TV and the latest Xremote ("xstb") work fine for composite and TV cable (on IRC mode for the channels >13). Changing channels and rapid camera movement will sometimes cause tv to stop. Moving tv around a bunch restarts the stream. The "smurf attack" problem on this Mach64 appears isolated to 24 and 32 bit modes. 15 bit mode displays correctly. Amancio has provided me with some details on the bt848 color control field that I can use to reverse the bits. I need to play with this, unfortunately it'll have to wait until late Thursday or Friday as I have a term paper due. For fun.... I actually had a vic session taking pictures of my fish tank for a while on site scope that appeared to be working properly. I never realized that the pictures go out on the local net. I had the rate controls effectively disabled for a while, seeing how fast I could push stuff out. Pouring 1.3MB/sec onto the local net will get someone's attention, that's for sure. :) And that 'quality' slider _really_ affects the data rate out, and the overall sharpness of the image. Quality 1 gets you nv with all of the bandwidth and none of the restraint, while quality 255 gets you a colorful blur at virtually no data out. :) Unless someone objects, I think I'll turn the camera back on and let it sit in FreeBSD Lounge for a while sometime around 9:30 or 10:00am Pacific time until I get back after classes at about 2pm or so. I'll turn down the rate to 64kbps so it doesn't hose Amancio. (I don't think you'd like it if I unleashed it -- 30fps at 1.3MB/sec.) You guys can take a peek at it and comment on how pathetic the color is on my ancient VHS camcorder :) Another fun thing to do is resize tv to 640x480 and change the X server's resolution to the same, then slowly nudge the virtual desktop so the tv window takes up the entire screen. Great for my 17" monitor -- sure beats the little 13" I have in here now in terms of visuals. The clarity is on par with our 21" Sony Trinitron TV at home. Have a good night, and may the postperson bestow the Brooktree databook on your mailbox tomorrow. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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