Youtube Video Playback on Neo Freerunner? (Re: Video Playback virtually impossible on Neo Freerunner?)

[Federico Lorenzi]

Thats my project, btw. My biggest question is how decent the hardware
scaling is. Could it scale 160x128 to fullscreen?

Cheers,
Federico

On 4/25/08, The Rasterman Carsten Haitzler <raster at openmoko.org> wrote:
> On Fri, 25 Apr 2008 03:38:24 +0200 "Marco Trevisan (Treviño)"
> <mail at 3v1n0.net>
> babbled:
>
> > Carsten Haitzler (The Rasterman) wrote:
> > > i can say now - 320x240 mpeg4 video with mplayer using xvideo on the
> gta02
> > > even can't play at 30fps. i was wrong with my guess. it is dropping 25%
> of
> > > the frames. so as such actually i correct this. i was too optimistic.
> you
> > > can more likely manage 20fps @ 320x240. this is mpeg4 - so mpeg1 and 2
> may
> > > be better as they are simpler codecs. do remember when i say resolution
> - i
> > > mean the video itself. the hardware can SCALE it to fill the screen, but
> > > this is taking 320x240 video and scaling it up (adding blur) so of
> course
> > > the quality isn't that good. remember too that color information is half
> > > that resolution in each dimension again (160x120 - though depends on
> codec).
> >
> > Well, I was thinking to youtube videos streaming... Since it will be
> > impossible to see them in embedded browser (without local javascript
> > hacks), I guess that we could use an application (if I'm not wrong
> > someone is developing it on projects.openmoko.org) that fetches and
> > plays (on streaming too) the videos in other formats supported by
> > youtube (you can test them using youtube-dl -f <value> <url> [1])
> >
> > The formats (fmt) that should work with no problems are:
> >   * 13: 176x144 at 15fps 3gpp file so H.263 video and AMR Narrowband audio
> >   * 15: 176x144 at 12fps mp4 file with MPEG4 video and AAC audio
>
> these will work - or should. just a matter of enough software in userspace.
>
> > Another format that maybe works on streaming (if I've not misunderstood
> > what has been stated) is
> >   * 5: 320x240 at 30.000fps flv file
>
> no - not going to work. 21fps at best. :(
>
> > Maybe too low, but... I think that actually it's the best way quality we
> > can get without rencoding it locally or simply without using a 3rd party
> > server doing this work for us "on the fly".
> >
> > [1] http://www.arrakis.es/~rggi3/youtube-dl/
> >
> > --
> > Treviño's World - Life and Linux
> > http://www.3v1n0.net/
> >
> >
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>
> --
> Carsten Haitzler (The Rasterman) <raster at openmoko.org>
>
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