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  #1  
04-07-2004, 10:54 AM
zagor zagor is offline
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I have a divx 608x336.
I want to make a kdvd with a frame di 544x576 using the script v4.

Someone can explain to me the passages that I must make in order to have no cropping and to preview of the black bands on the left and to right of 32px(overscan=4), in how much on my television set the area of overscan is 32px, naturally using the moviestacker!


thanks,
by
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  #2  
04-07-2004, 12:42 PM
Dialhot Dialhot is offline
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32 pixels is a LOT. I think you are sure about what you want..

So it's simple :

First step, to be done only once :
- open Moviestacker
- uncheck "use gripfit"
- drag all "round to" cursors on the position "16"
- set the "block TV overscan" to "4" and "resize" (do not use overlap with such big oversan as overlap lost the picture by putting the black borders on it).
- set the "Crop" method to "accurate".

Second step, to do each time
- load your source
- check if the A/R for the source is well found by moviestacker, change it if it is not (note: for an avi, use 1:1). DO the same for the "PAL" setting
- check the "anamorphic" box of the source if your source is anamorphic
- choose your destination resolution (SVCD, VCD...). Note that 34/DVD full is 544*576 and 3/4small is 528*576.
- check "anamorphic" for the destiantion if you plan to do an anamorphic KDVD (not for KVCD).

Final step :
- control the "Error" percentage. It must be as low as possible. IF it is too big, play a little with the rounding surcors (do not go under . Change also the overlap to 3 (or 2), try to use "average" as crop method.

When you are satisfied, go to the "Avisynth script" tab, seslect your resizer, then cut the resize line and the addborders one and paste them at the correct place in your script.
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04-07-2004, 04:37 PM
zagor zagor is offline
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Quote:
Originally Posted by dialhot
set the "block TV overscan" to "4"
It's not possible. The max is 3.

Quote:
set the "Crop" method to "accurate".
I don't want no crop. I have to select "No cropping".

Quote:
Second step, to do each time
- load your source
- check if the A/R for the source is well found by moviestacker, change it if it is not (note: for an avi, use 1:1). DO the same for the "PAL" setting
- check the "anamorphic" box of the source if your source is anamorphic
- choose your destination resolution (SVCD, VCD...). Note that 34/DVD full is 544*576 and 3/4small is 528*576.
- check "anamorphic" for the destiantion if you plan to do an anamorphic KDVD (not for KVCD).

Final step :
- control the "Error" percentage. It must be as low as possible. IF it is too big, play a little with the rounding surcors (do not go under . Change also the overlap to 3 (or 2), try to use "average" as crop method.

When you are satisfied, go to the "Avisynth script" tab, seslect your resizer, then cut the resize line and the addborders one and paste them at the correct place in your script
ok.

perhaps you have forgotten that I had to select also "ITU-R BT.601-4"

from the moment that I cannot select more than 3 in block TV-Overscan, I have manually modified the lines that it gives to me moviestacker.

moviestacker give me that:

Code:
LanczosResize(496,400,0,0,608,336)
AddBorders(24,88,24,88)
I have used the following:
Code:
LanczosResize(480,384,0,0,608,336)
AddBorders(32,96,32,96)
With an error on aspect ratio, with my calculation, of -2.50%

then I have to change the lines in :
Code:
LanczosResize(480,368,0,0,608,336)
AddBorders(32,104,32,104)
with an error on aspect ratio of +1.74%.
in this way I have finally caught up my objective.
-No crop and overscan=4.

Ok, it seems that I have understand as it works.

Thanks, again, Dialhot.

p.s. I have tried two other divx that they had an inferior resolution regarding the frame that I have used (544x576) and in all the two cases I have used gripfit with overscan=4 and it works well.
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  #4  
04-07-2004, 04:53 PM
Dialhot Dialhot is offline
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Quote:
Originally Posted by zagor
It's not possible. The max is 3.
I'm not surprised ! 4 is REALLY big. I suggest you to have your TV set fixed by an elec !

Quote:
I don't want no crop. I have to select "No cropping".
Yes. I forgot this point. But the error will be bigger.

Quote:
perhaps you have forgotten that I had to select also "ITU-R BT.601-4"
Generally is selected automatically when a DVD source is loaded and don't have to be selected for other thing. But I use it myself somtimes when I see that the error is smaller with this setting checked.

Quote:
from the moment that I cannot select more than 3 in block TV-Overscan, I have manually modified the lines that it gives to me moviestacker.
The way you did it you crop 8 pixels on each side, but except that, what you did is correct.

Quote:
Thanks, again, Dialhot.
Niente.

Quote:
p.s. I have tried two other divx that they had an inferior resolution regarding the frame that I have used (544x576) and in all the two cases I have used gripfit with overscan=4 and it works well.
Think about having your TV fixed ! Do you realize that when you are watching TV, 5% of the picture is actually '"eaten" by the TV overscan ?
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  #5  
04-07-2004, 05:52 PM
zagor zagor is offline
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Quote:
Originally Posted by dialhot
I'm not surprised ! 4 is REALLY big. I suggest you to have your TV set fixed by an elec !
I have acquired it the past year!

Quote:
Originally Posted by dialhot
Generally is selected automatically when a DVD source is loaded and don't have to be selected for other thing. But I use it myself somtimes when I see that the error is smaller with this setting checked.
I think that it have to be selected. In this way, in mine example, I have
a film pixel of 1,8119 (608/336=1,809)
if I deselect it I have: 1,8583!

Moreover i think that the aspect ratios related at the resize (calculated
by moviestacker) is'nt correct. I get various values.

Quote:
Yes. I forgot this point. But the error will be bigger.
In this case, for me, it was most important no cropping.

Quote:
The way you did it you crop 8 pixels on each side, but except that, what you did is correct.
I didn't it! I resize, don't crop, and then increase the edges of 8 px on each side.

Quote:
Think about having your TV fixed ! Do you realize that when you are watching TV, 5% of the picture is actually '"eaten" by the TV overscan ?
yes, I do.
but it's strange that my Tv overscan is 4?
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  #6  
04-07-2004, 06:40 PM
Dialhot Dialhot is offline
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Quote:
Originally Posted by zagor
I didn't it! I resize, don't crop, and then increase the edges of 8 px on each side.
You're right. I read too fast.

Quote:
but it's strange that my Tv overscan is 4?
If you don't find strange to loose 5% of the picture on a new TV set... (the most important for you is not croppign and by default your TV crops all your DVD !)
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