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  1. Member
    Join Date
    Jan 2007
    Location
    United States
    Search Comp PM
    Can one use ffdshow as a decoder when watching through a capture card in virtualdub? Not capturing just preview/watching? If so, how does one do that?
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  2. Probably not - application must provide "tee filter" or preview functionality - this is low level functionality provided usually or trough capture driver or additional system filter like mentioned "tee".
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  3. Do you specifically need to use VirtualDub? If not, you could use GraphEdit or GraphStudio to capture, pipe through ffdshow, then render to the screen.
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  4. Member
    Join Date
    Jan 2007
    Location
    United States
    Search Comp PM
    Yes I would like to use virtualdub, I'm surprised but I can't find any info on this.
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  5. You can build a capture graph with GraphEdit or GraphStudio then open that as if it was an AVI file and "play" it with VirtualDub.
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  6. Member
    Join Date
    Jan 2007
    Location
    United States
    Search Comp PM
    I prefer not to use graphedit or graphstudio.
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  7. VirtualDub lets you apply filters while capturing (Video -> Filter Chain) and there's an ffdshow filter available for it (ffvdub.vdf). But the preview window always shows the video before filters are applied.
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  8. Member
    Join Date
    Jan 2007
    Location
    United States
    Search Comp PM
    Does this mean i can watch through my capture card with ffdshow running, but no encoding right?
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  9. Member
    Join Date
    Jan 2007
    Location
    United States
    Search Comp PM
    I figured out the problem, I was using virtualdub 64 bit while running ffdshow 32 bit. So I used virtualdub 32 bit with ffdshow and now ffdshow can do the video decoding when in capture avi mode!
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