Question about online distribution

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Re: Question about online distribution

Postby jediphoenix » Mon Sep 27, 2010 5:41 pm

Ah, and DVDs, even though they're 720x480 in .9 PAR don't have that hit and miss issue because they're, well, DVDs and not AVIs?
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Re: Question about online distribution

Postby jediphoenix » Mon Sep 27, 2010 5:49 pm

More on the 'hit and miss' with AVIs without square pixels, I've been able to play an amv of mine encoded for a con, at 720x480, and it seems to be fine on multiple computers with different players - perhaps the TMPGEnc takes care of that when it encodes?
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Re: Question about online distribution

Postby Zarxrax » Mon Sep 27, 2010 5:54 pm

When you say tmpgenc, you mean you are encoding an mpeg2? Yes, mpeg2 has an aspect ratio flag, so its fine.
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Re: Question about online distribution

Postby BasharOfTheAges » Mon Sep 27, 2010 6:53 pm

Up to this point you were talking about distro copies, no? MPEG2 hasn't been a standard distribution codec for like 8 years.
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Re: Question about online distribution

Postby jediphoenix » Mon Sep 27, 2010 8:22 pm

BasharOfTheAges wrote:Up to this point you were talking about distro copies, no? MPEG2 hasn't been a standard distribution codec for like 8 years.




I know, I was just thinking how I'm able to watch my amv that was made for the convention, encoded as MPEG2, on multiple computers without having 'hit and miss' issues given that it's an AVI.


I've just personally never seen those kinds of issues on computers with videos that don't have square pixels. :?
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Re: Question about online distribution

Postby mirkosp » Mon Sep 27, 2010 8:48 pm

Mpeg2 is generally found in the mpg container to my better knowledge, not the avi one. And by hit and miss, I was mostly referring that the "proper" PAR support with AVI varies depending on your splitter/decoder, I guess.
Anyway, releasing with non-square pixels is fine, and in fact, if you know what you are doing, possibly better than converting to square pixels. It's just that it can get confusing to some while editing when combining different sources and maybe images collected over the internet etc.
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Re: Question about online distribution

Postby jediphoenix » Mon Sep 27, 2010 8:50 pm

Thanks for the helpful advice, everyone. :)
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Re: Question about online distribution

Postby Mister Hatt » Tue Sep 28, 2010 1:26 am

Nice to see everyone missed the point again! The deal with PAR is that if you DON'T RESIZE, then you can use the PAR. Otherwise, you should always set your PAR to 1:1 for simplicity and calculate a DAR and use that at display time. This is the best way to do it. The only reason you leave PAR non-square if you don't resize is that it simply preserves more of your original picture. When you crop, you change the DAR, and when you resize, you change the PAR. If you do both, set your PAR to square and use a DAR and avoid confusion. The reason you see so many incorrect PARs ofc is that amvers usually tend to follow ancient guides an end up doing it wrong, because 99% of people on this forum don't inherently understand exactly what it is they're doing.
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