bad encode?

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dowhatnow
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bad encode?

Post by dowhatnow » Fri Nov 17, 2006 4:40 pm

I've encoded a beta of one of my videos (for better viewing than the preview monitor in Premiere), and I'm noticing a flash of red at the top most portion of the screen. I've gone over it a few times, and I've noticed that it's mostly in the space where clips overlap. Other times it just appears at sections later in the video.

Could this be a bad encode? If not, what is it?

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Kariudo
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Post by Kariudo » Fri Nov 17, 2006 5:56 pm

if you exported from premiere pro using huffyuv or lagarith (or pretty much anything not uncompressed) that is known to happen.

even if you didn't,
try exporting as uncompressed RGB, then enocde that using virtualdubmod
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Post by dowhatnow » Sat Nov 18, 2006 3:44 am

I did export from Pro using Lagarith.

So, would I encode in VDM as Uncompressed and then compress it into XviD for betas?

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Post by dowhatnow » Sat Nov 18, 2006 3:45 am

Ack. Sorry for the double post, but Uncompressed = Huffy/Lagarith.

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Post by BasharOfTheAges » Sat Nov 18, 2006 11:13 am

No... export from premiere using Uncompressed RGB... Uncompressed != Huffy/Lagarith. Those codecs are lossless, but they're still compressing the video (Uncompressed video is much larger). You then compress to your distro codecs in VirtualDubMod.
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Post by dowhatnow » Sat Nov 18, 2006 12:48 pm

BasharOfTheAges wrote:No... export from premiere using Uncompressed RGB... Uncompressed != Huffy/Lagarith. Those codecs are lossless, but they're still compressing the video (Uncompressed video is much larger). You then compress to your distro codecs in VirtualDubMod.
When I posted "Uncompressed = Huffy/Lagarith", I meant it as a correction to my previous post. You confirmed my thinking anyway.

Thanks.

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Post by BasharOfTheAges » Sat Nov 18, 2006 3:07 pm

huh?

you wrote "=" : equal.
I wrote "!=" : not equal.

How does that clear anything up? :?
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Post by dowhatnow » Sat Nov 18, 2006 3:35 pm

Yes, I did.

What I mean by that:
I did export from Pro using Lagarith.

So, would I encode in VDM as Uncompressed and then compress it into XviD for betas?
Uncompressed = Huffy/Lagarith
Note that the uncompressed in bold is what I meant to change, thus "Uncompressed = Huffy/Lagarith".

What I probalby should have said, for clarity:
I did export from Pro using Lagarith.

So after I export in Uncompressed, would I encode it in VDM as Huffy/Lagarith and then compress it into Xvid for betas/distro?
I apologize for the confusion in this matter.

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Post by Kariudo » Sat Nov 18, 2006 4:24 pm

yep, that last chain is the solution
just make sure you have about 6GB free for your uncompressed export
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Post by dowhatnow » Sun Nov 19, 2006 11:24 pm

I just tried the whole export via Uncompressed idea, and for a 25 second clip, it's pretty large (~500 MB). What I've run into is another problem. When I open it in VDM via AviSynth (using Default(AVISource) or DirectShowSource), I see something like this. I've tried to do the same using MPEG2Source or MPEGSource, but I get an error message.

I'm baffled. Any help?

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