AVS filters not "taking"

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DriftRoot
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AVS filters not "taking"

Post by DriftRoot » Mon Mar 09, 2009 11:22 am

I've run into a bizarre problem (as usual) regarding some post-processing scripts I'm running through VDM. In the most basic terms, this is a script I've used before with the expected results, however this time around it doesn't seem to be working. I can "see" the filters taking effect in VDM, but my exported footage (via Direct Stream Copy) looks like it was never filtered. As far as I know, I'm doing everything exactly like I did before, just with a different AVI file (exported uncompressed from the same Premiere project file the video came from before).

For the record, the non-filter parts of the script are working fine - I can resize, change FPS, combine video, dub audio...everything but filter.

:? Thoughts? I will post my script if anyone thinks that will help, but I'm not sure it will.
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Re: AVS filters not "taking"

Post by DriftRoot » Mon Mar 09, 2009 11:24 am

Wait, would filters show up in Direct Stream Copy exports? @_@ Maybe I didn't do that before...but if not, what the heck did I do?
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Re: AVS filters not "taking"

Post by mirkosp » Mon Mar 09, 2009 12:45 pm

Direct Stream Copy wouldn't exactly work I guess, you should try fast recompress instead. Direct Stream copy just copies the stream so I guess it just copies the original video and not the filtered one...
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Re: AVS filters not "taking"

Post by Qyot27 » Mon Mar 09, 2009 2:02 pm

mirkosp wrote:Direct Stream Copy wouldn't exactly work I guess, you should try fast recompress instead. Direct Stream copy just copies the stream so I guess it just copies the original video and not the filtered one...
If all the processing was being done in AviSynth, then having VDub set on Direct Stream Copy would still net the result of the script (of course, it'd be horribly inefficient to do so since I believe it'd force a colorspace conversion not unlike Full Processing mode; at the very least you'd be getting Uncompressed YUV*). Or so I would think. As far as VDub should be concerned, the script - with whatever processing is in it - is all it sees. It wouldn't be able to omit AviSynth filters just because.


*My guess about colorspace is because older versions of VDub (and all versions of VDubMod) have no Uncompressed YUV option in its Compression dialog, so the logical thing is that it'd be converted back to RGB24. If you're using a newer version of VDub, it might come out as Uncompressed YUV, though.
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DriftRoot
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Re: AVS filters not "taking"

Post by DriftRoot » Mon Mar 09, 2009 2:09 pm

I will experiment some more this evening and report back. It seems like whenever I try alternatives, other problems crop up. I've no doubt I'm the one doing something wrong, but still...seems like the best way for me to resolve problems related to my own idiocy is to air them in public. We'll see if this works. :sweat:
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