[mythtv-users] does adjust fill work with vdpau?

Dan Christensen jdc at uwo.ca
Sun May 16 12:19:51 UTC 2010


Mark Kendall <mark.kendall at gmail.com> writes:

> "Brian J. Murrell" <brian at interlinx.bc.ca> wrote:
>
>> If adjust fill does work with VDPAU, my guess is that the "auto" mode
>> of that doesn't work, since myth is no longer seeing the raw video
>> frames,
>
> You're correct - with no direct access to the frame, MythTV cannot
> currently detect the black borders and hence adjust the fill. It is
> still technically possible to implement by reading the frame back into
> main memory (and indeed someone did make an attempt at writing the
> code some time ago) but it's an expensive operation transferring data
> from video memory.

I wonder if it's worth have "auto" do this the expensive way at the
start of the video, and also after a jump.

Or, could the commercial flagger do this and store the info for future
use?  Shouldn't be much info:  frames x to y are this size, frames y+1
to z are this size, etc.

Dan


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