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View Full Version : Video-Jittering on Windows!


peteag
17th April 2006, 14:18
when I encode a movie from an uncompressed source 600x244 to divx/xvid/x264 the playback jitters. Every codec, the movie jitters! ebem the uncompressed one! but when I put it on my mac to play back a divx encoded file the movie even jitters. what's that???

foxyshadis
17th April 2006, 16:06
It's a mystery, with that little information. But it sure sounds like you got the deinterlacing or ivtc messed up, which comes before encoding, so it would obviously mess things up whatever you encode it to.

Try using megui or autogordianknot on the source, see what kind of script they give you, and compare it to what you used.

setarip_old
17th April 2006, 17:11
@Peteag

Hi!

Try changing the vertical resolution to a multiple of 8 (e.g. 240 or 248)...

Mug Funky
19th April 2006, 04:21
244 height? that's an odd one. i'd have said "it's field separated video and the parity is wrong" if it was 240 or 243, but 244 is a bit odd. i'm guessing the capture codec didn't want an odd height...

try mess with it in avisynth anyway - my guess is that it is field-separated video, and if that's the case you need only add "assumefieldbased().weave()" to your avs script to get full frames out of it. from there you can figure out what field order it is and encode it as such.

you might want to change your capture settings though, as capping like that can't have much advantage over full frame capture.

could you post a sample? that'd be cool.

peteag
23rd April 2006, 23:26
found the mistake: video was mov at first, then avi through quicktime. both uncompressed. the mov2avi-conversion was the problem. is there any good freeware to handle this right?

thoralf
23rd April 2006, 23:49
is there any good freeware to handle this right?

this comes down to remuxing - mencoder does this. i can't remember the command line, have a look at the manpage ...

with kind regards,
thoralf.

setarip_old
24th April 2006, 07:18
@peteag

Hi!

1) When you originally created the .MOV file, was it created on your Mac or on your PC?

2) Does the original .MOV file play without jitters on your Mac? On your PC?

3) What is the audio format of the original .MOV file? The .AVI file?

peteag
30th April 2006, 13:00
it was created on my mac and plays very well on it and very well on the pc.
just the avi is the problem!
the file contains no audio.