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Old 11th March 2010, 01:30   #1  |  Link
jeremy33
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Posts: 172
Upscale SD to HD

I want to know if there is no error and if it's good for upscaling SD with ffdshow :

- fast SPP deblocking 35% (No fast SPP deblocking for DVD)
- Deband 1.15
- Avisynth :
add video source : unchecked
3:2 pulldown : ignore pulldown
input color space : yv12
buffer back ahead : 3/3

Code:
SetMTMode(2,4)
Last=ffdshow_source()
setmemorymax(1024)
SetMTMode(2)
a= last
b=a.Spresso_JD()
SeeSaw_JD(a,b)
LimitedSharpenFaster_JD(strength=11)
LimitedSharpenFaster_JD(strength=11)
mWidth = float(last.width)
mHeight = float(last.height)
ratio = (mWidth/mHeight)
newHeight = round((1920/ratio)/2)*2
MT("spline64resize(1920, last.height)",4)
MT("spline64resize(last.width, newHeight)",4, splitvertical=true)
distributor()
That's the result : 640x352 up to 1280x704 :
http://img690.imageshack.us/img690/5...zebilinear.png
http://img695.imageshack.us/img695/9529/newvc.png

Last edited by jeremy33; 12th March 2010 at 13:34.
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Old 11th March 2010, 11:54   #2  |  Link
Gavino
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Quote:
Originally Posted by jeremy33 View Post
Code:
MT("spline64resize(1920, last.height)",4)
MT("spline64resize(last.width, newHeight)",4, splitvertical=true)
When resizing with MT, you should use the overlap parameter to avoid edge effects where the frame is split. For spline64Resize, an overlap of 4 pixels would be appropriate.
MT("spline64resize(1920, last.height)", 4, 4)

But why use the MT function if you are already using SetMTMode?
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Old 11th March 2010, 15:21   #3  |  Link
jeremy33
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Because I don't know how to use Spline64resize without MT function.

Can you show me how to use without MT ?
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Old 11th March 2010, 21:13   #4  |  Link
Gavino
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Just take the commands out of the MT string arguments:
spline64resize(1920, last.height)
spline64resize(last.width, newHeight)

or, since without MT, there's no need to separate the horizontal and vertical resizing:
spline64resize(1920, newHeight)
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Old 11th March 2010, 22:21   #5  |  Link
jeremy33
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ok thank you, it is correct ?

Code:
SetMTMode(2,4)
Last=ffdshow_source()
setmemorymax(1024)
SetMTMode(2)
a= last
b=a.Spresso_JD()
SeeSaw_JD(a,b)
LimitedSharpenFaster_JD(strength=11)
LimitedSharpenFaster_JD(strength=11)
mWidth = float(last.width)
mHeight = float(last.height)
ratio = (mWidth/mHeight)
newHeight = round((1920/ratio)/2)*2
spline64resize(1920, newHeight)
distributor()
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Old 12th March 2010, 13:11   #6  |  Link
2Bdecided
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Posts: 1,673
There's many things wrong with this (and lots of better suggestions for upsizing elsewhere), but I didn't reply since this line...

Quote:
Originally Posted by jeremy33 View Post
That's the result in a divx 640x352 up to 1280x704 :
...was almost begging for intervention by a moderator

Cheers,
David.
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Old 12th March 2010, 13:36   #7  |  Link
jeremy33
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Ok I delete this. So can you explain me what's wrong and a better suggestion for upsizing please.
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Old 12th March 2010, 15:34   #8  |  Link
osgZach
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Quite frankly I think that upsize looks pretty darn good.. But I don't do upsizing, and its only a still frame. So my opinion is very subjective.
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Old 12th March 2010, 15:59   #9  |  Link
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Quote:
Originally Posted by jeremy33 View Post
That's the result : 640x352 up to 1280x704
Where did you get the 640x352 source file?
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Old 12th March 2010, 16:40   #10  |  Link
jeremy33
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It's a backup af my dvd of the first season of dexter
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Old 12th March 2010, 16:41   #11  |  Link
aegisofrime
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Quote:
Originally Posted by jeremy33 View Post
It's a backup af my dvd of the first season of dexter
Best take a picture of the DVD, just in case. I have a feeling that's going to be needed.
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Old 12th March 2010, 17:06   #12  |  Link
2Bdecided
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If you were going to upscale, you'd start with the DVD, not a reduce resolution and/or re-encoded copy.

Cheers,
David.
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Old 12th March 2010, 17:20   #13  |  Link
jeremy33
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Yes but I have a probleme with dvd. When I play the dvd it's very jerky but not with divx. It's from the resize I think so can you help me.
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Old 12th March 2010, 18:04   #14  |  Link
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Your explanation is unconvincing. You can try again in a PM to me if you want to get your thread reopened.
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