On date Friday 2010-02-12 00:40:51 -0500, Glenn Maynard encoded:
> I'm updating some old (pre-0.5) code to svn, decoding videos into a
> buffer for use with 3D rendering (OGL and D3D).  For performance, I
> need to negotiate the right format: when possible, one which is both
> directly supported by the 3D backend and which has an accelerated
> conversion path in swscale.
> 
> I need to query whether an SwsContext (or pixel format pair, if that's
> enough) is accelerated, so I can search for an accelerated path before
> falling back on an unaccelerated one.  This seems like an integral
> part of format negotiation, but there doesn't seem to be an API for
> this.  How is this handled?

It isn't currently handled, patches for extending the API is welcome.

Regards.
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