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visvel

07-12-10 05:04 AM

AVI InfoFrame under Linux?

Hello,
i've been reading NVIDIA documentation for windows and there's an API to send custom AVI InfoFrame through hdmi.
Is it possible to do something like this under linux?
thanks

Stephen Warren

07-14-10 11:54 AM

Re: AVI InfoFrame under Linux?

No, I don't believe there's any such API, sorry.

Out of curiosity, why do you want to send a custom infoframe?

visvel

07-16-10 03:06 AM

Re: AVI InfoFrame under Linux?

thanks for your reply
I was planning to use that to enable auto switching on 3d tvs, but i found out that it is sufficient to correctly set a particular modeline in xorg :)

bwheaton

07-17-10 11:23 PM

Re: AVI InfoFrame under Linux?

Quote:

Originally Posted by visvel (Post 2288189)

thanks for your reply
I was planning to use that to enable auto switching on 3d tvs, but i found out that it is sufficient to correctly set a particular modeline in xorg :)

I'd like to do the same thing and was worried about the infoframe too - I was rather hoping that the unusual resolution would be enough.

Which TV's work, as far as you can tell?

Bruce

Stu-e

02-22-11 10:31 AM

Re: AVI InfoFrame under Linux?

Access to the AVI InfoFrame would be essential for aspect ratio switching.
When displaying standard definition video using 1440x576i or 480i access to the M0, M1 Picture Aspect Ratio flags would be required to display 4:3 video with the correct aspect ratio.

This is essential for any media player application displaying 4:3 SD video in its native interlaced format.

Thanks
Stu-e

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