[PD] GEM question: reading from big videos

Luiz Naveda lab.naveda at gmail.com
Fri Sep 7 05:33:33 CEST 2012

Hi João,

Have a look at the pristine tutorials of Max Neupert:


and have fun!

Luiz Naveda


On Thu, Sep 6, 2012 at 5:15 AM, João Pais <jmmmpais at googlemail.com> wrote:
> Hi list,
> I have almost no experience with GEM, so I wanted to ask around about this.
> I have a patch that should play 3 HD films, in the following way:
> - the main patch plays the sound, and sends the frame-infos around through
> - the frame-infos are received by 3 video player patches (each in one
> separate Pd instance), each one playing one film
> - the films are a bit heavy: 1/3 full HD = 640x1080pix each, around 6m long
> (maybe more). The playing speed is around 25fps, sometimes less, sometimes
> more
> - the hardware has a SSD disk, and i5 quad processor > 2,7Ghz (I can't say
> yet much about the graphic card)
> Which object is more adequate to play these videos in GEM?
> Probably isn't a good idea to load the videos into RAM. The playback is also
> very variable: forward, backward, something else... That means, is there a
> buffer-setting that would help in this case?
> And, under this context, how fast could the video be played?
> Thanks,
> João
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Luiz Naveda




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