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Old 2007-06-29, 06:40   Link #101
Starks
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Potato, bite the bullet and crop it out.
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Old 2007-06-29, 11:36   Link #102
Zanejin
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Quote:
Originally Posted by Potatochobit View Post
I have a problem with a raw

Spoiler:


see that missing line of pixels? what error did the encoder make to get this to happen?

and can this be fixed with MKVtoolnix or would just re-encoding the whole thing with after effects be faster?
What container was this file using? I remember encountering a similar problem in certain WMVs, like those anime trailers from the official websites. If that's the case, cropping won't do any good. I think it has to do with the decoder or something. If you really want to watch the video without the missing pixels, make a new AviSynth script using DirectShowSource() and run it.
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Old 2007-06-29, 16:26   Link #103
ArchMageZeratuL
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Don't quote me on this, but I think that it has to do with non-mod16 (maybe mod8?) wmv3 files, e.g. 704x396 ones.
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Old 2007-06-29, 17:38   Link #104
Potatochobit
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yeah its a WMV, so i'll try and re-encode it. and if that doesnt work ill try to crop it. and if that doesnt work ill be back to whine more.
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Old 2007-06-29, 19:13   Link #105
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It's a known issue with the WMV decoder (and/or with the associated ATi decoding acceleration) when the height is not mod16, it mirrors or does something else, God knows what to extend out to nearest mod16 height.
(HA HA USERS OF 704x396)

IIRC it may be possible to fix somehow but I have no idea how. Try turning off WMV decoding acceleration if you have an ATi video card.
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17:43:13 <~deculture> Also, TheFluff, you are so fucking slowpoke.jpg that people think we dropped the DVD's.
17:43:16 <~deculture> nice job, fag!

01:04:41 < Plorkyeran> it was annoying to typeset so it should be annoying to read

Last edited by TheFluff; 2007-06-29 at 19:26.
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Old 2007-06-29, 19:24   Link #106
ArchMageZeratuL
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Here, I've just found an old video encoded with wmv3 in 704x396, and I get that exact same issue. nVidia card here, so it's not related to ATI.
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Old 2007-06-29, 20:14   Link #107
Zanejin
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As I said, the solution is very simple (at least for me). I simply created an AVS file, added the following line:
Code:
DirectShowSource("Path_to_Foo.wmv")
and played the AVS file in Media Player Classic. The weird effect should be gone.
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Old 2007-06-29, 21:29   Link #108
Starks
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Fluff, is is worth resizing a video to 704x400 if the source is 704x396?
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Old 2007-06-30, 01:22   Link #109
Potatochobit
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I went ahead and changed it to 400 and made a lossless then i re-encoded to xvid. seems to be working fine, thanx for all the help.
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Old 2007-06-30, 05:54   Link #110
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Hmmm, anyone can give me a link to a thread for mkv chapters?
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Old 2007-06-30, 11:17   Link #111
Zanejin
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The entire chapter concept is explained quite clearly in mkvmerge GUI's documentation.
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Old 2007-06-30, 11:27   Link #112
checkers
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Quote:
Originally Posted by Starks View Post
Fluff, is is worth resizing a video to 704x400 if the source is 704x396?
It always is worth resizing to mod16 for SD resolutions.
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Old 2007-06-30, 13:28   Link #113
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Quote:
Originally Posted by checkers View Post
It always is worth resizing to mod16 for SD resolutions.
So, the distortion is negligible?
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Old 2007-06-30, 13:30   Link #114
martino
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Been discussed already quite a few times; http://forums.animesuki.com/showthread.php?t=48116

And yes, I would say that 1% is less than negligible (or whatever that the correct error percentage is, it's very small either way).
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Old 2007-06-30, 14:06   Link #115
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That is assuming the picture you view through that 16:9 rectangle is actually 16:9, which isn't always the best assumption.
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Old 2007-06-30, 19:23   Link #116
Nicholi
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@Starks as was previously said in that article, since the error is roughly 1% it is well within ignorable status. However if you wanted you could crop a total of 8 on the horizontal axis to get back to closely 0% AR error, or a total of 12 on the vertical.

As DryFire also pointed out...in the end you have to make the incredibly large assumption that it was done correct in the first place. I can't even imagine this because of all the other crazy shit the cappers do to their encodes. So I'd just ignore it. Specifically for this 704x396->704x400 example though. You just do it on a res by res basis .
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Old 2007-06-30, 20:29   Link #117
TheFluff
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Do whatever you want, but never encode non-mod16. It's that simple.
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17:43:13 <~deculture> Also, TheFluff, you are so fucking slowpoke.jpg that people think we dropped the DVD's.
17:43:16 <~deculture> nice job, fag!

01:04:41 < Plorkyeran> it was annoying to typeset so it should be annoying to read
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Old 2007-07-01, 08:17   Link #118
Starks
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Quote:
Originally Posted by TheFluff View Post
Do whatever you want, but never encode non-mod16. It's that simple.
You and I already worship the same deities in that regard... ^_^
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Old 2007-07-06, 01:23   Link #119
Potatochobit
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Anyone heard of this program AutoMKV?

this is the first I've seen it. seems pretty useful for changing formats.

why is it running everything in the system run window

edit: so i've been messing with the program a bit and reading on the doom9 forums and I think I'm gona like this program.
its still a work in progress but its pretty cool so far.

I would like to say its the encoding for dummies line of programs. I really like the feature where u can crop and change the width and height. I wish it came with presets on that feature, though. you can preview it in real time, thats very cool.
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Last edited by Potatochobit; 2007-07-06 at 04:13.
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Old 2008-02-06, 15:13   Link #120
Kazuma77
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I have notice my computer doesn't like mkv files my cpu goes to 100% cause of it, but if i look it in avi then its alright and doesn't push my cpu to 100% no matter what they say about .mkv, i still prefer my old sweet .avi files
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