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View Full Version : 30 fps to 23.976 has blended fields, is mrestore my solution?


grumpygamer
20th March 2008, 15:53
as i wrote in the subject this is my latest problem.

I have a telecined source at 30fps.
I tried separatefields() and saw that there was some blending in the separated fields, so that means it's gonna suck.

Usually I just TFM+TDecimate(mode=1) and I get a nice progressive source at 23.976 with no blending, but this time NADA the source is a little crappier.
Ok so I looked into MRestore and to my surprise the mode=0 setting worked well, here's the script:

mpeg2source("~\video.d2v",info=3)
colormatrix(interlaced=true,hints=true)
tfm(d2v="~\video.d2v")
mrestore(mode=0)
crop( 8, 0, -12, 0)
awarpsharp(8.0)

everything is fine but the framerate dropped to 12.500 !!
I need 23.976 (or so I think)

Should i tinker with the denm and numr parameters until i get the correct framerate?
Thanks for any answers
-gg

manono
21st March 2008, 09:40
Hi-

At default settings, MRestore is designed to output 25fps. And that's with a bobber on before it, and not TFM. Before using it at default settings you have to figure out what the true framerate is. It most likely really is 25fps (or 24.975fps) and not 23.976fps. You shouldn't force a framerate if it's not the correct one, as you're likely to wind up with missing frames, or extra duplicate frames, both of which will result in jerky playback. If the correct framerate is something other than 25fps, then yes, you'll have to mess with its denm and numr parameters.

If you don't know how to figure the true framerate, you might upload a small 10 second section of the source - one with movement - for us to have a look.

grumpygamer
21st March 2008, 17:40
ok I did it!
it works perfectly.

here's the script
mpeg2source("D:\PIBA_134001\VIDEO_TS\ep2.d2v",info=3)
colormatrix(interlaced=true,hints=true)
tdeint(mode=1)
mrestore(mode=0,numr=2002,denm=5005)
crop( 8, 0, -12, 0)

Will the video be in sync?

Furthermore I have consistend jagged edges which don't appear if i only IVTC
-gg

Ranguvar
22nd March 2008, 04:35
Will the video be in sync?
Find out yourself. Here's one way.

mpeg2source("D:\PIBA_134001\VIDEO_TS\ep2.d2v",info=3)
audio = audio input here. If you have AC3 audio, use NicAC3Source, if you have MPA, use NicMPASource. NicAudio is the name of the plugin.
colormatrix(interlaced=true,hints=true)
tdeint(mode=1)
mrestore(mode=0,numr=2002,denm=5005)
crop( 8, 0, -12, 0)
video = last
AudioDub(video,audio)

Play in MPC and see.