[mythtv] [Draft] Filter documentation.

[Bruce Markey]

Steven Cruysberghs wrote:
> ---
> Playback filter are per-host and apply to any recording you watch from
> the frontend where filters have been applies. From "mythfrontend" go to
> Setup->TV Settings->Playback. Enter your filter string in the box titled
> "Custom Filters".
> ---
> 
> Maybe a line could be added on how custom filters work together with the
> deinterlace and other output options on this screen?

I have the same question, Andrew. Is the original deinterlace
option now part of the same filter mechanism? And also, does
the system detect duplicate filters or does it faithfully
add things to the filter chain in the same order as the filter
string?

--  bjm