[maemo-developers] DVD content playback possible or not? Re: Wishlist

From: Klaus Rotter klaus at rotters.de
Date: Fri Mar 9 17:33:05 EET 2007
Hanno Zulla wrote:
> TI is advertising the chipset used in the N800 as dvd-capable and I had
> the impression that the hardware was there, "only" the missing video
> acceleration and dsp drivers were stopping us from watching full-screen
> 30fps video on the device.

I think TI is referring to the internal frame buffer of the OMAP chip 
and not the external one used in the N800. The limiting factor may be 
the bus bandwith. The internal 5 Mbit S-RAM of the OMAP 2420 chip is 
enough to hold a PAL or NTSC picture in memory, but not enough for the 
800x480 pixels of the N800 display. I also fear that the 3D accelerator 
is only useful with the internal RAM. But one could (if someone would 
write a OpenGL graphics driver for the 3d hardware) render to the 
internal RAM (in 400x240) and blit it to the video frame buffer using 
the CPU. The OMAP 2420 supports TV-Out. A TV-Out adapter would be _my_ 
whishlist for the next generation devices. One can also think of a dual 
Display setup: The internal frame buffer for presentation and video 
output and the external one to drive the LCD. No notebooks anymore, I 
would like to connect my N800 to the beamer...


Klaus Rotter * klaus <at> rotters <dot> de * www.rotters.de

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