[mythtv-users] XvMC Question

[Isaac Richards]

On Tuesday 02 August 2005 11:59 am, Robert Johnston wrote:
> In essence, what happens with showing the OSD on XvMC (As I understand it)
> is:
>
> * The portion of the MPEG where the OSD is to be shown is decoded in
> software * The OSD image is Alpha-mixed into the decoded frame (In
> Black/White, as it's faster to apply a uniform AND across all the channels,
> rather than doing a YUV->RGB->YUV conversion)
> * The OSD-Mixed portion is then re-encoded, and mixed back into the
> original MPEG Stream.
> * The "Complete" frame is sent to XvMC to be decoded in Hardware.

This is completely wrong.

Isaac