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View Full Version : Poor 'Skippy' Playback through AviSynth ?


daveflinders
7th March 2005, 23:13
I'm running a 25fps .avi through AviSynth to get the right picture size.

Heres the script ..

-----
video = "C:\video.avi"
AviSource(video, audio=false)
ConvertToYUY2()
bicubicresize(720,432)
addborders(0,72,0,72)
-----

When i play the .avs script in Media Player and VirtualDub the result is 'skippy', kind of like i'm missing everyother frame.

The original .avi file plays perfectly on its own.

I've tried Authoring the .avs file to DVDr and playing in a DVD Player, but i get the same 'judder' or 'skippy' playback.

Any ideas how to put this right ?

Leo 69
7th March 2005, 23:53
Try this:
------------------
directshowsource("C:\video.avi")
killaudio()
ConvertToYUY2()
bicubicresize(720,432)
addborders(0,72,0,72)
-----------------

Cheers

daveflinders
8th March 2005, 10:19
With that i get an error in VirualDub: 'AVI Import Filter Error (Unknown) (80040154)'

?

Leo 69
8th March 2005, 10:24
Well, with what is your source video encoded ? Can you open it in graphedit or in any directshow-based player ?

daveflinders
8th March 2005, 10:39
Yeah i can open the source .avi in GraphEdit :

Video: X-Form In -> InterVideo MPEG4 Video Decoder -> Out -> VMR Input() Video Renderer

Audio: X-Form In -> MPEG Layer 3 Decoder -> Out -> Default DirectSound Device


I CAN NOT open the .AVS file in GraphEdit though.

Catman
10th March 2005, 14:32
Try to specify the framerate: directshowsource("C:\video.avi", fps=23.976)

Leo 69
10th March 2005, 21:07
@ daveflinders

InterVideo Mpeg4 Decoder won't go. You have to unregister it using RadLight Filter Manager or manually, and then install ffdshow and let it decode all the videos on your PC. So it'll also decode Mpeg4 video properly when you use "directshowsource" option in avisynth.

daveflinders
17th March 2005, 17:17
I un-registered the InterVideo Decoder and then GaphEdit showed i was using Xvid Mpeg4 Decoder.

I then un-registered that and was left with AVI Decoder.

... which one do i use ?

Leo 69
17th March 2005, 17:53
Install ffdshow