I can't confirm anything, but i do know that P or I does not really matter
on some effects, but they sure do on others.
Scaling for sure must be done with the fields splitted, or you get horrible
jaggies. For wipes, only the motion suffers. For CC, impossible to see the
difference.
Rule of thumb, if it looks good, it is good....
Bouke
VideoToolShed
van Oldenbarneveltstraat 33
6512 AS NIJMEGEN
The Netherlands
+31 24 3553311
www.videotoolshed.com
For large files:
http://dropbox.yousendit.com/BoukeVahl998172
----- Original Message -----
From: "John Moore" <bigfish@pacbell.net>
To: "Avid L2" <Avid-L2@yahoogroups.com>
Sent: Wednesday, August 24, 2011 6:49 AM
Subject: [Avid-L2] Progressive Vs. Interlace Processing in 1080P 29.97?
Working on a show that is 95%+ CG progressive animation brought in as 16bit
tiff sequences to DNX220X. There was a field shoot that was shot interlace
but apparently everything was captured as progressive into the project. In
the 29.97P mode I get split frames with the interlace footage as expected
but everything is okay going out to tape when I tested. Upon further
examination some interlace footage that is nested inside a 3Dwarp is showing
split frame issues. This makes sense because it was rendered with the
project in 29.97P mode. The fix is to toggle the project to 59.94I for the
render of the 3D warp effect. What I am seeing with other effects is that
they don't bake in the split frame like the 3D warp effect does. My
conclusion so far is that only certain effects blend the 2 Psf's when
rendering. 3D warp does and this makes sense because I would expect any box
movement to update on a frame basis not a Psf when the project is
29.97P. Paint effect defocuses don't seem to be any different when rendered
in P or I. Can anyone confirm or deny that some effects process differently
in P and I modes while others aren't effected by the mode?
John Moore
Barking Trout Productions
Studio City, CA
bigfish@pacbell.net
[Non-text portions of this message have been removed]
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