[mythtv] XvMC VLD extension

Michael Weber mtweber at gmail.com
Sun Sep 17 13:57:54 UTC 2006

> I tried the mythtv-vid branch for Via SP13000 HDTV decoding and all I
> get is a blank screen with good audio when trying to play 1080i
> content.  When looking at the code, it doesn't seem like the VLD
> extensions are being used (XvMCPutSlice2).  XvMCPutSlice2 seems to
> boil down to a function pointer "draw_horiz_band" in a render
> structure, but this member never seems to get called.  Have the VLD
> extensions for the Via chipset been lost along the way?  (This
> function also never seems to get called in the trunk either).  Am I
> missing something or doesn't XvMCPutSlice2 need to be called for the
> VLD decoding?

Nevermind -- I found it, it's called throughout the libavcodec
library.  Has anyone else experienced good sound with no video on the
mythtv-vid branch with a Via CN400?  Is there anything I can do to
help find this problem?


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