A simple duplicate for every frame?

Atlantis · 14th March 2002, 21:51

I have a 15fps clip. I want to duplicate each frame and obtain a 30fps clip with the same duration? How can I do this in avisynth? Doubleweave doesn’t work, because it makes interlaced frames from my 15fps progressive frames. That’s not what I want! A simple duplicate for every frame.

Guest · 14th March 2002, 23:35

Here's a simple way:

clip=AVISource("movie.avi")
Interleave(clip,clip)

Atlantis · 15th March 2002, 19:23

Thanks! But when I use it and process the avs file in VirtualDub, at the very end, VD crashes. I have to use premiere to make an intermediate 30 fps avi file.

trbarry · 15th March 2002, 23:54

I have sometimes used the following sequence to avoid having vdub read off the end of a file when DirectShowSource reports the wrong frame count.

video=DirectShowSource("D:\Buffy\Whatever.vob")
blanks=BlankClip(video,300)
trim(video+blanks,0,video.framecount+100)

- Tom

14th March 2002, 21:51	#1 \| Link
Atlantis Registered User Join Date: Feb 2002 Posts: 758	A simple duplicate for every frame? I have a 15fps clip. I want to duplicate each frame and obtain a 30fps clip with the same duration? How can I do this in avisynth? Doubleweave doesn’t work, because it makes interlaced frames from my 15fps progressive frames. That’s not what I want! A simple duplicate for every frame.

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14th March 2002, 23:35	#2 \| Link
Guest Guest Join Date: Jan 2002 Posts: 21,901	Here's a simple way: clip=AVISource("movie.avi") Interleave(clip,clip)

15th March 2002, 19:23	#3 \| Link
Atlantis Registered User Join Date: Feb 2002 Posts: 758	Thanks! But when I use it and process the avs file in VirtualDub, at the very end, VD crashes. I have to use premiere to make an intermediate 30 fps avi file.

15th March 2002, 23:54	#4 \| Link
trbarry Registered User Join Date: Oct 2001 Location: Gainesville FL USA Posts: 2,092	I have sometimes used the following sequence to avoid having vdub read off the end of a file when DirectShowSource reports the wrong frame count. video=DirectShowSource("D:\Buffy\Whatever.vob") blanks=BlankClip(video,300) trim(video+blanks,0,video.framecount+100) - Tom