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-   -   Problem with x264 aspect ratio/upscale in Virtualdub (https://www.digitalfaq.com/forum/video-web/8081-problem-x264-aspect.html)

Bobban 06-24-2017 11:52 AM

Problem with x264 aspect ratio/upscale in Virtualdub
 
2 Attachment(s)
After googling and trying different things, I decided to post here (since I've gotten FANTASTIC help here in the past - I love this place!).

I recently upgraded to a new computer, which has caused some trouble in the last part of my workflow (the encoding). Here is some quick info before I describe the problem:

* Switched from Windows 7 to Windows 10
* I capture VHS/video game footage in lossless Lagarith and use AVIsynth and Neatvideo to clean it up (through Virtualdub)
* Final encode is done with x264 vfw

Everything still works, except in the instances where I want to do an UPSCALE of 4:3 footage. This worked without any problems at all on my old Windows 7 computer with the following code:

Code:

nnedi3_rpow2(rfactor=2,cshift="Spline36Resize",fwidth=1350,fheight=1080)
But now, if I include this last part of my script, the encoding crashes after about 10 frames (taking this part away makes everything work 100%):

http://www.digitalfaq.com/forum/atta...1&d=1498323002

I expermineted with using Virtualdub's own Resize filter, and it's the same problem. I have deducted that it has to do with the aspect ratio, and tried changing the width to 1348 (to be dividable by 4) but no effect. Here are the settings I'm using for x264 (again, these worked on Windows 7):

http://www.digitalfaq.com/forum/atta...1&d=1498323002

I am wondering if it has anything to do with the "library" files? Do I need to update or change libav or ffmpeg in some way???

Very grateful for any help I can get!

msgohan 06-25-2017 06:17 PM

Why mess around with oddball resolutions & SAR when upscaling to HD? Normally HD is square pixel. Resize to 1440x1080, set SAR 1:1, call it a day.

Bobban 06-27-2017 04:20 PM

Quote:

Originally Posted by msgohan (Post 49936)
Why mess around with oddball resolutions & SAR when upscaling to HD? Normally HD is square pixel. Resize to 1440x1080, set SAR 1:1, call it a day.

Thanks for your reply! I tried changing the settings to what you suggested, but the encoding still fails...


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