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Forum: Avisynth Scripting 01-30-2005, 12:28 PM
Replies: 32
Views: 3,916
Posted By incredible
In some cases of mine there was a significant...

In some cases of mine there was a significant affection of the superblack level, means a spike at 0 or between 0 and 5. Without Coloryuv in analyze mode there isnt such a spike. :wink:
Forum: Avisynth Scripting 01-30-2005, 11:59 AM
Replies: 32
Views: 3,916
Posted By incredible
Do a ...... Mpeg2source("pvrCapture.d2v") ...

Do a ......

Mpeg2source("pvrCapture.d2v")
Histogramm("Levels")

comparison with ....

Mpeg2source("pvrCapture.d2v")
ColorYUV(analyze=true)
Histogramm("Levels")
Forum: Avisynth Scripting 01-28-2005, 06:41 PM
Replies: 32
Views: 3,916
Posted By incredible
Boulder thats exactly the point:Means a not clear...

Boulder thats exactly the point:Means a not clear 0-255 or 16-235 Range ... a washed out picture results out of a "simple fixed" math of ColorYUV incl. PCtoTV params.

First you should check what...
Forum: Avisynth Scripting 01-27-2005, 05:56 PM
Replies: 32
Views: 3,916
Posted By incredible
Hmmmmm .... I did new tests, maybe TmpgEnc has...

Hmmmmm .... I did new tests, maybe TmpgEnc has changed his internal luma handling in rgb 0-255 AND rgb 16-235 input when checking/unchecking CCIR or Avisynth has changed hmmmm......

Status now...
Forum: Avisynth Scripting 01-27-2005, 02:27 PM
Replies: 32
Views: 3,916
Posted By incredible
I have been reading a lot of posts and a special...

I have been reading a lot of posts and a special one which deals with exactly that problem of Cspace conversions and especially Tmpgenc/CCE.

The resumeé is:

Conversions between all YUV format...
Forum: Avisynth Scripting 01-27-2005, 03:23 AM
Replies: 32
Views: 3,916
Posted By incredible
The luma range would be padded in its super...

The luma range would be padded in its super values. But the movie treatment informations would be within 16-235.
What you see is what you get and thats why my re-encodings (especially captures .....
Forum: Avisynth Scripting 01-26-2005, 06:05 PM
Replies: 32
Views: 3,916
Posted By incredible
Karl, watch my THX examples. also if doing...

Karl, watch my THX examples.

also if doing this ...

mpeg2source("xxxxxxxxxxxxx.d2v")
Converttorgb32()
Converttoyv12()

... also here the Luma range will be cropped to 16-235 due to rgb and...
Forum: Avisynth Scripting 01-26-2005, 05:47 PM
Replies: 32
Views: 3,916
Posted By incredible
When using ColorYUV(Levels="PC->TV") ...

When using ColorYUV(Levels="PC->TV")

http://www.digitalfaq.com/archives/images/cache/2005/01/4.jpg



When using just limiter()

http://www.digitalfaq.com/archives/images/cache/2005/01/5.jpg
Forum: Avisynth Scripting 01-26-2005, 12:21 PM
Replies: 32
Views: 3,916
Posted By incredible
Take a full luma range 0-255 capture (just an...

Take a full luma range 0-255 capture (just an example) and add to your AVS script at the very end a histogram("levels") .. stream btw has to be YV12.

Now do move to a frame where the levels right...
Forum: Avisynth Scripting 01-26-2005, 10:03 AM
Replies: 32
Views: 3,916
Posted By incredible
http://www.thx.com/mod/products/dvd/brightness.htm...

http://www.thx.com/mod/products/dvd/brightness.html

http://www.thx.com/mod/products/dvd/contrast.html
Forum: Avisynth Scripting 01-26-2005, 07:45 AM
Replies: 32
Views: 3,916
Posted By incredible
Also I would NEVER use Limiter() as Limiter just...

Also I would NEVER use Limiter() as Limiter just cuts the luma range where ColorYUV() in pctoTv mode scales the luma range and this results in visible more maintained "depth's" in very dark an white...
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