[mythtv-users] setup problems
Brad Sagowitz
sagz at sagz.dynip.com
Sat Apr 12 19:59:30 UTC 2003
I believe MPEG4, as well as MPEG2, compresses in such a way that interlacing is handled by the algorithm so there isn't a hit to the compression ratio. I run with deinterlacing turned on for TV-Out for sure. My kids watch a lot of high contrast stuff (read, cartoons :) and without deinterlacing during playback the jaggieness is obvious. Probably because I'm recording at 480x480 which doesn't scale scan for scan with the normal tv scanrate.
-----Original Message-----
From: Brett Bolen [mailto:brettb at moya.trilug.org]
Sent: Friday, April 11, 2003 12:29 PM
To: mythtv-users at snowman.net; mythtv-dev at snowman.net
Subject: [mythtv-users] deinterlace: 'playback option?', question, and
sse/3dnow
shouldn' deinterlace be a record option ( not a playback option)? If you
de-interlace it before you encode it it will be smaller and should look
much better.
question: when playing on a tv does this setting do anything? Can you
see the difference? The output is interlaced so does it look
better or worse?
regarding sse, amd processers come in three flavors: 3dnow, enhanced 3dnow,
and proefessionall 3dnow:
3dnow -- no sse ( k6's maybe)
enhanced - part of sse - athlon
professional 3dnow - all of sse ( sse2) -- athlon XP
look for Athlon_XP_WP.pdf on amd's site ( whitepaper)
I'm not sure if interlacing uses enhanced or prefessional. I can tell
the difference on my slow amd 850. Unfornately I can capture with
greater than 240 scan lines anyway without dropping frames. so it is
a moot point.
b
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