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  1. Member
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    I created a .AVS file, that i am opening with VirtualDub, but the only way i can save it, seems to be AVI.

    A 5 minute clip turns out to be 10GB, which none of my video players can handle. Is there a way to get out a file that's smaller?

    Thanks, and sorry for a noobish question.
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  2. I'm a MEGA Super Moderator Baldrick's Avatar
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    what's your goal with the video?

    select a video compression under video->compression in virtualdub like divx codec or xvid codec or dv-avi.
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  3. Member
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    as of now, the goal is just to see whether or not the filters i am playing with are working

    my final result will be a DVD, so i guess i'll need them to be exported as MPEGs (which is what my source video is)
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  4. Member Soopafresh's Avatar
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    Why not use VirtualDub to test out various parts of your video, and once you're satisfied, Mpeg encode using your AVS as the source file? HCenc can do it, as can Quenc, Tmpgenc, CinemaCraft, etc.
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  5. Member
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    i tried using virtualdub to preview, but the video seems to play very slowly, and it's hard to say if the filter is working.

    i am trying to use descratch and no matter how extreme i make the values, it doesn't seem to be having any effect on the video. Maybe it has something to do with the fact that i am using DirectShowSource instead of AviSource.
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  6. Member
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    VDub is not meant as a "real-time" preview tool unless you have like a 1 to 2 GHz machine. You can turn on "skip frames if behind" if you think it's stuttering too much.

    As for filter's working or not, you have to pause and look at the two frames together.
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  7. Member
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    i have a 3.2 GHz machine
    i was reading the AviSynth tutorial, so i am going to try stacking the videos to see if can see the difference. There's a lot of scratches, so maybe it's improving, and i just can't tell

    i am not expecting miracles either
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  8. Always Watching guns1inger's Avatar
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    There is a script for showing split screen before and after here -> https://forum.videohelp.com/viewtopic.php?t=297929 This is how I compare effects to source.

    Depending on the filters, your machine just wont be able to play back in realtime. I know mine rarely does when doing heavy noise filtering.

    If you want to do a test save through virtualdub, load the script, set the video mode to fast recompress, and set a codec and compression level. If you use fast recompress, vdub will use the colourspace that avisynth passes to it, rather than automatically changing to RGB.
    Read my blog here.
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  9. Hi-

    I was involved in a similar thread recently:

    https://forum.videohelp.com/viewtopic.php?p=1579636&highlight=stackhorizontal#1579636

    If you want to compare 2 scripts side-by-side, make 2 script files, Filtered.avs and Unfiltered.avs:

    Unfiltered=Import("C:\Path\To\Unfiltered.avs")
    Filtered=Import("C:\Path\To\Filtered.avs")
    UnfilteredCropped=Crop(Unfiltered,0,0,360,0).AddBo rders(0,0,8,0)
    FilteredCropped=Crop(Filtered,360,0,0,0)
    StackHorizontal(UnfilteredCropped,FilteredCropped)

    http://www.avisynth.org/Import

    That was for DVD. If you resized, then change the 360s to half the resized width.

    That way you can check the filtering without reencoding. You can even play them in a player that accepts AviSynth script files, such as Media Player Classic. But, as guns1inger says, if there's some heavy filtering going on, don't expect real time playback.
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  10. Member
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    thanks for the replies, that gave me an idea
    simply doing this StackHorizontal(last,DirectShowSource("I:\Video\1. MPG")) did the trick for me
    Now, i need to figure out why i can't get descratch to work at all.
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