[mythtv] [RFC][PATCH] Avoiding scaling

[Doug Larrick]

Joe Barnhart wrote:
> I really like this idea.  Watching high-def shows in
> 1080i, I noticed that the mythfrontend sometimes
> reports 1088 vertical resolution instead of 1080. I
> think this causes Xv to scale the result, which lowers
> the quality.  Note, this the VERTICAL dimension rather
> than the horizontal which your patch addresses. 
> Perhaps this idea has more general applibility?

Actually, all 1080i content is 1088-line MPEGs.  1088 is a multiple of 
16 (macroblock size); 1080 is not.  The bottom 8 lines are black (as per 
the standard).  MythTV special-cases this size and gets it right.

-Doug
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