[gst-devel] Problem with videoscale

Brandon Lewis brandon_lewis at berkeley.edu
Fri Mar 14 05:48:42 CET 2008

I have also noticed this, and would be interested in the solution.

danielkun at iremo.com wrote:
> Hello,
> I'm having problems with videoscale.
> I'm using DirectFB to create a window and the window surface is handed
> to Gstreamer. (The size of the window has already been set at this
> point)
> The first frame which is output has an incorrect aspect ratio and is
> rendered on the entire window area. Videoscale then kicks in and sets
> the correct aspect ratio, but as it does this, the very first frame that
> was rendered with the wrong ratio is left on an area that is no longer
> updated.
> How do I prevent videoscale from outputting that first frame? (with
> incorrect ratio)
> Or how do I set the ratio before the first frame is output?
> Are there any other ways to solve this?
> Thank you
> Daniel
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