I'm getting an odd problem with video that doesnt have
a 1:1 SAR.
If I use content with a SAR set, ffdshow appears to get
the AR correction wrong.
An example you should be able to reproduce. DVD mpeg2
content, with a DAR of 16/9 and a DAR of 64/45.
Enabling AR correction in the resize results in in
ffdshow outputting as if it were 4:3.
I suspect this issue may be because the AR correction
calculations don't take correct account of the SAR?
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i get the same with my geforce4 card, some don't like it
16-9 overlay - try rgb32 output
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Not a renderer issue.
I've tried this rendering to the Overlay Mixer, VMR7 and
VMR9. And used both RGB and YUV output.
I've taken image grabs of the frames from ffdshow, and they
are being outputted resized to 4:3.
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which media player do you use, mpc or something else ?
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This occurs in all applcations that use ffdshow. Including
zoom player, mpc and ProgDVB.
Bumping prio, since this results in incorect output.
Sugested fixes...
1) Get the AR calculations right. Take into account the SAR
when working out how to reformat.
2) Before any resize, stretch the picture to turn it into a
1/1 SAR. (Sub optimal, since it turns it into a two-pass resize)
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I had the same problem.
Output>overlay mixer have to be enabled.