On Thu, 12 Jun 2008 13:08:46 +0200 Peter Nijs <[EMAIL PROTECTED]> babbled:
> Op Tuesday 10 June 2008 10:11:23 schreef Andy Green: > > Somebody in the thread at some point said: > > | I have seen it this morning in the planet.openmoko.com, > > | http://unadventure.wordpress.com/2008/06/08/accelerating-in-my-pocket/ > > | Andrzej "balrog-kun" Zaborowski was able to use mplayer with glamo > > | hardware acceleration Not all is lost to have some decent(not > > | excelent but barelly usable is enough) video playback, or Rasterman > > | has bad news again? ;) > > | > > | Of course I understand than use sd-card as storage will be not an > > | option(shared bus issue) but a nfs mounted volume or a streaming mp4 > > | source can be an option I guess > > > > Wah that was really good progress from Andrzej. > > > > I wouldn't give up on SD card as storage without trying it: if I > > understood what goes on then only the MP4 compressed stream is being > > sent to the Glamo by mplayer... I guess it means 100 - 200KBytes/sec > > which is way below the point we choke the Glamo memory bus. So we > > should be able to be pulling 200 - 300KBytes/sec (including audio) at > > the same from from SD. > > > > The wildcard is what the MPEG decoder unit in the Glamo is doing from > > the inside in terms of hogging the internal memory. > > > > -Andy > > Isn't the shared bus an advantage because now it can use DMA? Maybe that's > why it is possible to hook up an sd-card to the glamo anyway. I see no other > explanation why one would put an sd cardreader in a graphics ship. Please > tell me if and why I'm wrong. as such the sd io overhead compared to the overhead of uploading yuv data is minimal/nothing. lots of details have been gone over here before with regard to the glamo and video acceleration for video (yuv) playback. -- Carsten Haitzler (The Rasterman) <[EMAIL PROTECTED]> _______________________________________________ Openmoko community mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/community
