[vdr] Re: OSD Memory

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

Jeremy Jones wrote:
> 
> Where did you get the 90kb number from ? Its not that I question the
> number but just curious how it was obtained.

I just tried several OSD sizes.

> Also, do you know what
> actually determiens how much memory is given to the OSD ?

That's hardcoded in the firmware.

> I'm wondering if it would be possible to increase it.

Only by installing addition SDRAM hardware.

> 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.

Klaus