Virtualdub + Huffyuv 2.11 = HUGE files

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Virtualdub + Huffyuv 2.11 = HUGE files

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dbunder

Newbie

2. June 2006 @ 02:25

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I couldn't find a more appropriate forum for this - but the end result of what I'm trying to do is burn a DVD, so what the hell. :)

I have an AVI file encoded in H246. It's about 2.4gb. Even though I have the H246 codecs (compressor and decompressor) installed properly (everything else sees them without a problem), tmpgenc won't see the H246 decompressor. I wanted a high quality output file to burn to DVD so I did a bit of searching and ended up with the Huffyuv 2.11 codec installed so I can compress it losslessly in Virtualdub, then pass it on to tmpgenc. Problem is, when I use the Huffyuv codec in vdub with its default settings, my output file ends up at 26.7gb. What could I be doing wrong? Very new to any codec but Xvid and DivX, so its likely user error.

Also, I piped that 26.7gb file into tmpegenc and tmpegenc forced encoding so the .mpeg file ended up at only 1gb. I'd like to have it output the same quality it was at when it was compressed using H264. Where do I change the compression settings in tmpgenc? Also extremely new to tmpgenc - just installed it today.

Thanks for any help on any of my questions. :) Any recommendations for other lossless codecs to try would be appreciated as well.
-j

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SOCOMII

Senior Member

4. June 2006 @ 18:16

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Well how long is the file. It will be big because Huffyuv is a loselless video codec. There are guides here on how to encode with tempgEnc under the guides section of this site

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dbunder

Newbie

4. June 2006 @ 19:08

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I already figured it out (sorry, should have posted). The only way you're going to get a size decrease with huffyuv (and other lossless codecs) is if you're compressing a completely raw, uncompressed video. If you're compressing an XviD compressed video, huffyuv is going to make the filesize much larger than it should be.

I was expecting Huffyuv to losslessly compress my H264 and keep it the same size as the input. Instead, it kept the same quality, but made the filesize MUCH larger. I'm not sure exactly why it exhibits this behaviour, but it does, and thats Just the Way It Is. :)

Also figured out the TMPGEnc settings. Everything was grayed out and I found a way to ungray the quality settings so I can tweak them to my liking.

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SOCOMII

Senior Member

4. June 2006 @ 20:07

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great to see you got it all working :)

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afterdawn.com > forums > archived forums > mpeg-1 and mpeg-2 encoding (avi to dvd) > virtualdub + huffyuv 2.11 = huge files


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