Best 'changeable' codec

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Best 'changeable' codec

Postby Brolli411 » Tue Feb 11, 2003 11:14 pm

What I'm trying to say here, is what is the best codec to use if, in the future, I want to convert it back to HuffYUV. I'm looking for something that's not too big, maybe around 100-200 megs to store (for about 20-30 minuets of footage). I hope that's specific enough.
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Postby klinky » Wed Feb 12, 2003 12:04 am

You could use MPEG4, like XviD Quant 1.

Maybe high bitrate MPEG2 as well.

No matter what, you're going to loose quality with those. HuffYUV is basically the smallest you're going to get before you start having to drop picture data.



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Postby Zarxrax » Wed Feb 12, 2003 1:21 am

I find xvid at quant 1 is best at preserving quality, unless you set the mpeg-2 bitrate insanely high like 20,000kbit
At least, those are the results that I had the other day when I was messing with a video I had finished. I found that the xvid looked exactly the same as the original anywhere that I checked. Of course, it WASNT exactly the same mathematically, it just looked the same. (which is why you dont wanna compress it over and over even if you compress it with good quality like this.
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Postby jbone » Wed Feb 12, 2003 9:30 am

Zarxrax wrote:I find xvid at quant 1 is best at preserving quality, unless you set the mpeg-2 bitrate insanely high like 20,000kbit
At least, those are the results that I had the other day when I was messing with a video I had finished. I found that the xvid looked exactly the same as the original anywhere that I checked. Of course, it WASNT exactly the same mathematically, it just looked the same. (which is why you dont wanna compress it over and over even if you compress it with good quality like this.


It may look good, but it wouldn't recompress very well, even if you turn it into a Huffyuv file first. Too much visual data is lost in the conversion to MPEG-4, even if it's not visible to the naked eye.
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Postby Quu » Wed Feb 12, 2003 11:07 am

i like the idea of storeing it as insanly high bitrate mpeg-2... because then if you want to export it to tape.... you can just use a H+ or a NetStream2000 and not have to do any further conversions
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Postby WilLoW :--) » Wed Feb 12, 2003 12:58 pm

I like DV...(despite it's resolution and fps limitations),
and it takes 5 times less space than HuffYUV
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Postby RadicalEd0 » Wed Feb 12, 2003 2:52 pm

I was under the impression that DV was 5:1 compression, Huffyuv in yuy2 is about 4:1. It's about 4/5ths the size of huffyuv maybe :|
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Postby Brolli411 » Wed Feb 12, 2003 4:03 pm

WilLoW :--) wrote:I like DV...(despite it's resolution and fps limitations),
and it takes 5 times less space than HuffYUV


With the size of my HuffYUV files, I'd still have about 1 gig/ea.
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Postby the Black Monarch » Thu Feb 13, 2003 5:16 am

I used to have DivX files set to 1-pass quality-based @ 100% quality. They worked fantastically; you could still see the interlacing lines and everything.
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Postby The Wired Knight » Thu Feb 13, 2003 2:25 pm

I like to use HuffyUV for all my AVIs when editing because it appears to be the most widly accepted to other programs, however when I export, DV2AVI is the one I prefer to save myself some file size without considerable loss in quality. For MPEGs which I only use for file sharing I only encode in mpeg-2.
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Postby Zarxrax » Thu Feb 13, 2003 2:34 pm

Why mpeg-2? That's not exactly the format of choice for filesharing networks...
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Postby The Wired Knight » Thu Feb 13, 2003 2:38 pm

Small filesize and still decent quality. Basically (once I get some web space) these are the files I'll upload to the net. My hard drive is allready being murdered by all the AVIs of captured footage and the NTSC copies I keep for conventions. Also I know a lot of people out there who don't like to download new codecs and I'd prefer if those people could still watch my video....like I said though....still need some bloody webspace (damn lack of money.)
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Postby NicholasDWolfwood » Thu Feb 13, 2003 3:38 pm

MPEG-1 or MPEG-2?

MPEG-2 I believe needs a decoding codec from a DVD program to watch it.
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Postby Zarxrax » Thu Feb 13, 2003 4:20 pm

MPEG-2 doesn't really get any better compression than mpeg-1 at low bitrates.
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Postby NicholasDWolfwood » Thu Feb 13, 2003 4:47 pm

I just use a filtered XviD for internet distro, and a HuffYUV for con submittion :P
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