[vdr] Re: OSD Memory

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Dick Streefland wrote:
> 
> On Saturday 2004-07-17 11:08, Klaus Schmidinger wrote:
> | Jeremy Jones wrote:
> | > What I'd really
> | > like to do is create a 720x240x4bpp window and another 360x240x4bb
> | > window (roughly 126KB).  I suspect the firmware is responsible for
> | > managing this memory so I'm guessing this is possible without
> | > modifying the firmware (I'd also like to avoid soldering on the extra
> | > SDRAM :-)).
> |
> | This would only be possible _with_ modifying the firmware, but then
> | there wouldn't be enough memory left for decoding the video.
> 
> Wouldn't it be possible to use the so called "half rate" mode of the
> AV7110? It looks like this mode can be used to get a full-screen OSD
> with 4-bit colors. The driver in the 2.6.7 kernel already has a
> definition for this mode (BITMAP4HR), but it is currently not used.

I don't think this is worth the effort, because, as the mode already says,
you get only half the resolution - so what's the point in doing so?

Klaus