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I think I may have partly solved the frame rate problem by modifying the Telecide/Decimate parameters. My source is a laserdisc of a concert. I'm capturing with a Winfast 2000 XP Deluxe card with VirtualVCR and HuffYUV. The captured avi showed 29.97 fps in Virtualdub. The first time I tried to convert this with QuEnc with default parameters for Telecide/Decimate, it came out as 24 fps per BitRate Viewer. My latest attempt showed that it was 29.97 fps, it came out with a 16:9 aspect ratio. I could have sworn that I used 4:3. But the picture quality is very good. I should do some more testing, but it's a slow process, since my feeble computer can only manage 2.5 fps process rate with Trellis/High Quality/2 Pass encoding.
Thanks for any help.
Here's my script:
AviSource("C:\Asia.avi")
crop(16,16,-16,-16)
Telecide(order=0, post=0)
Decimate(cycle=5,mode=1)
Convolution3d(0, 6, 10, 6, 8, 2.8, 0)
UnFilter(50,50)
undot()
STMedianFilter(3, 3, 1, 1)
mergechroma(blur(1.50))
mergeluma(blur(0.2))
AddBorders(16,16,16,16)
ConvertToYV12() -
If the MPEG-2 is for DVD (which I am assuming) it isn't worth the bother to attempt to recover the 24fps progressive source (the concert was shot on film).. if it makes a mistake it will cause effects like frame dropping. Just encode the interlaced 29.97fps capture and be done with it.
If you really are intent on doing an inverse telecine (you want to see it progressively on a progressive-scan TV that can't do a inverse telecine or something), you can use the built in function in TMPGEnc (MPEG-2 encoding is free for 30 days) which should leave frames it isn't sure about interlaced (because MPEG-2 can have a mix of progressive and interlaced frames in the same file).
Otherwise, I wouldn't bother. Also, adding 16 pixel borders for overscan isn't really advisable unless you are trying to squeeze a few extra bits out of a SVCD.. -
Yes there is a setting in the Advanced section. It doesn't matter wheich is selected. It's always 16:9. I tried version 0.51 and it works ok with 4:3, so there is a bug in verion 0.53.
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