Acceleration in our pockets

David Samblas Martinez dsamblas at yahoo.es
Thu Jun 12 21:22:30 CEST 2008


Hehehe definitively you have something to say :) 
oops I thought that I have erased this final this so unfortunate sentence  so please accept my apologizes lets joy the fact that the glamo will not be a wasted chip 
 


--- El jue, 12/6/08, Carsten Haitzler <raster at openmoko.org> escribió:

> De: Carsten Haitzler <raster at openmoko.org>
> Asunto: Re: Acceleration in our pockets
> Para: dsamblas at yahoo.es, "List for Openmoko community discussion" <community at lists.openmoko.org>
> CC: "David Samblas Martinez" <dsamblas at yahoo.es>
> Fecha: jueves, 12 junio, 2008 6:58
> On Thu, 12 Jun 2008 14:52:07 +0000 (GMT) David Samblas
> Martinez
> <dsamblas at yahoo.es> babbled:
> 
> nb - i codec only - and i also used mplayer at the time.
> mpeg1, mpeg2, not to
> mention a myriad of other codecs won't work there, and
> it still only producing
> qvga video.
> 
> if you do follow prior threads on this, you will notice
> that i never covered
> the mp3 decode of the glamo. that's always possible,
> but as such to do well
> would need a generic codec-level api supporting it - like
> openmax.
> 
> > I copy & paste an very interesting comment from
> balrog ,seems that I have
> > become his(totally voluntary) mail list assistant ;)
> > 
> > Rasterman..... 352x288 25 fps..... something to say?
> > 
> > --------------Begin of comment-----------------------
> > #  balrog Says:
> > June 11, 2008 at 4:20 am
> > 
> > Mikko: I hope we’ll eventually see more than just
> MPEG support on the Glamo
> > (3D stuff etc). Regarding QVGA at this moment it’s a
> conjecture… and at this
> > moment it’s confirmed. I’ve just tried QVGA and
> while the colours became a
> > bit undersaturated and gamma seems to be too high, I
> got full 25fps playback
> > both straight and with rotation, hw-scalled from
> 352×288 to 240×320 or
> > 320×240. Unfortunately tslib seems to not have
> noticed the change and still
> > reports touch coords in 0…640 range.
> > 
> > i_m_bison: Darude_-_Feel_the_beat.mp4 (the video is
> ok, the music not so
> > much:))
> > 
> > tuXXX: I was wondering about that too, but rather MPEG
> decoding on the CPU
> > and scaling/rotation on Glamo - this would allow us to
> do more stuff
> > concurrently. The other way, as Mikko notes you
> transfer the video to the
> > VRAM, then back to the RAM and then back to the VRAM
> and the bus becomes a
> > bottleneck. In the current setup and normal usage I
> don’t agree with Raster
> > that 7M/s is a bottleneck, it’s rather hard to
> saturate with normal X usage
> > even coupled with SD card traffic etc.
> > ----------End of comment------------------------------
> > Raster, I'm really happy that you where so wrong
> at this topic
> > 
> > --- El jue, 12/6/08, Joerg Reisenweber
> <joerg at openmoko.org> escribió:
> > 
> > > De: Joerg Reisenweber <joerg at openmoko.org>
> > > Asunto: Re: Acceleration in our pockets
> > > Para: community at lists.openmoko.org
> > > CC: "Peter Nijs"
> <peter at familienijs.be>
> > > Fecha: jueves, 12 junio, 2008 2:37
> > > Am Do  12. Juni 2008 schrieb Peter Nijs:
> > > > 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.
> > > > 
> > > > Peter
> > > > 
> > > Good point. Would make perfect sense...
> > > /j_______________________________________________
> > > Openmoko community mailing list
> > > community at lists.openmoko.org
> > >
> http://lists.openmoko.org/mailman/listinfo/community
> > 
> > 
> >       ______________________________________________ 
> > Enviado desde Correo Yahoo! La bandeja de entrada más
> inteligente.
> > 
> > _______________________________________________
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> > community at lists.openmoko.org
> > http://lists.openmoko.org/mailman/listinfo/community
> 
> 
> -- 
> Carsten Haitzler (The Rasterman)
> <raster at openmoko.org>


      ______________________________________________ 
Enviado desde Correo Yahoo! La bandeja de entrada más inteligente.




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