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| famawizard |
| Posted: May 30 2003, 10:19 AM |
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Unregistered
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Hi,
do you know if mjpegcorrect() is still needed in Avisynth 2.5?
I think so...
but do you know if a version for avisynth 2.5 exists?
And if not, how is it possible to make the same luma corrections using other filters?
Thanks
Lucio
P.S.
Is there an Huffyuv version for YV12?
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| jcsston |
| Posted: May 31 2003, 05:21 AM |
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Matroska Dev
Group: Moderators
Posts: 553
Member No.: 652
Joined: 3-November 02
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| QUOTE (famawizard @ May 30 2003, 04:19 AM) | P.S.
Is there an Huffyuv version for YV12? |
Yes 
It's called VBLE Doom9 Thread
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Use the Matroska file format |
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| famawizard |
| Posted: May 31 2003, 11:21 AM |
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Unregistered
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Thanks!!!
Yesterday I found it (reading that thread) but I didn't think it was a new version of Huffy...
But what about mjpegcorrect ?
After many tests (vith both avisynth versions) I am not sure about it...
Lucio |
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| i4004 |
| Posted: Jun 25 2003, 08:57 PM |
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Advanced Member
Group: Members
Posts: 2432
Member No.: 4935
Joined: 24-June 03
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it's easy to make your own test;
make avs script with it (mjpegcorrect() ) and make avs script without it (sure u can use same script..hehe)
load that to vdub,take screenshots of both,paste to some image viewer,and compare:
non corrected version tends to appear a bit darker than corrected,OR the vdub version of the loaded file (when you load that .avi file directly to vdub without avs)
(ie. mjpegcorrected version should appear same as vdub opened .avi...while uncorrected version is slightly darker)
the mjpeg luma range is correctly decompressed to RGB,but incorrectly to YUY2 so avs needs this corrector........
btw, i'm using avs without mjpegcorrect(),as it seems i always get that brightness slightly too much during the capturing itself..(hehe)
also,use such testing to compare any other thing you wish (codec comparisons,filter testing,etc.)
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