AVI DAR

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Hareoic
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AVI DAR

Post by Hareoic » Wed Feb 18, 2009 7:49 pm

Okay, whenever I encode my DVD footage as an AVI to be used for clips, it's at 720x480. Unfortunately this means that it's using square pixels and looks smushed in video editing programs. That's fine, but when I play the clip, it's 3:2 instead of 4:3 or 16:9 like it's supposed to. Am I supposed to do something special to the clips to make them properly conform to the size specified, or should I change some things during the export?

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Zarxrax
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Re: AVI DAR

Post by Zarxrax » Wed Feb 18, 2009 8:03 pm

You resize them.

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Re: AVI DAR

Post by Hareoic » Wed Feb 18, 2009 10:27 pm

Zarxrax wrote:You resize them.
Should have said "when I play the export."

However, apparently that doesn't matter since a) the program's export is going to be a 720x480 AVI regardless of pixel aspect ratio, and b) this is remedied by Zarx264gui's ability to set the sample aspect ratio, which is probably what I meant.

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Qyot27
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Re: AVI DAR

Post by Qyot27 » Wed Feb 18, 2009 11:51 pm

If you need to fix the aspect ratio after encoding, then it depends on your final distro container (or format, as the case may be). Most muxing apps can fix it, or other programs have been developed to alter the flags.

For MPEG-2, there's ReStream. Only supports .m2v files.
For MPEG-4 ASP (i.e. XviD) and H.264, both MP4Box and MKVMerge support setting the proper flags (as I'm sure MP4Creator does as well).
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