[PD] video output from PD

[peiman khosravi]

Thanks very much for all the suggestions. I know python, so that would be
the easies option for me but as Dan mentioned I think we will need per
frame control over the playback.

Best,
Peiman




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On 2 December 2013 14:46, Dan Wilcox <danomatika at gmail.com> wrote:

> If he only needs to at videos and the sync is rather loose, then yeah
> scripting omxplayer would work.
>
> From what he wrote earlier, it's sounds like he wants per frame start/stop
> control which he can't get with omxpmayer alone, at least from what I'm
> aware.
>
> enohp ym morf tnes
> --------------
> Dan Wilcox
> danomatika.com
> robotcowboy.com
>
> On Dec 2, 2013, at 3:21 AM, enrike <altern2 at gmail.com> wrote:
>
> > Another option could be to create a Python script that listens to OSC
> and triggers the omxplayer process. That would be easier to code but I
> guess you would have less control that using OMX player class in
> OpenFrameworks, I havent tested raspberry so much to know which way would
> be better
> >
> >
> > ig., 2013.eko aberen 01a 23:05(e)an, Dan Wilcox(e)k idatzi zuen:
> >> I would pick up an old rackmount ethernet switch and use static ips. I
> >> imagine wireless would work, but you're asking for trouble if you don't
> >> get an industrial wifi router.
> >>
> >> As for software, I'd echo using OpenFrameworks. The current version
> >> (0.8.0) now supports the RPI and there is an OMX video player class
> >> which can run with hardware acceleration. It would be simple to code a
> >> single, custom video player app that listens over OSC to start, stop,
> >> set frame position, etc. Said app would read from an xml file to know
> >> which video to load, so you don't have to hardcode anything.
> >>
> >> You will not be able to do this with PD alone on the RPI since, as
> >> mentioned before, GEM currently has no OPENGL ES support on the RPI.
> >>
> >> Email me if you guys need help/have a budget, although my timeframe is a
> >> little cramped right now.
> >>
> >> On Dec 1, 2013, at 6:00 AM, pd-list-request at iem.at
> >> <mailto:pd-list-request at iem.at> wrote:
> >>
> >>> *From:*peiman khosravi <peimankhosravi at gmail.com
> >>> <mailto:peimankhosravi at gmail.com>>
> >>> *Subject:**Re: [PD] video output from PD*
> >>> *Date:*December 1, 2013 at 5:25:53 AM EST
> >>> *To:*Charles Goyard <cg at fsck.fr <mailto:cg at fsck.fr>>
> >>> *Cc:*PD List <pd-list at iem.at <mailto:pd-list at iem.at>>
> >>>
> >>>
> >>> Hello,
> >>>
> >>> Thanks for the answers. I've been looking around and it doesn't look
> >>> like that omxplayer accepts OSC messages. Does it?
> >>>
> >>> Also how are the Pis connected to a network? Through ethernet? In this
> >>> case I would need a router with 20 outputs right?
> >>>
> >>> To explain a bit more about the project. It's a live band, with
> >>> precomposed videos playing back (with stop/start variations) across a
> >>> bunch of analogue TVs placed on stage, all in sync with the sound. We
> >>> don't know yet to what extent the result will be predetermined or
> >>> generative but as long as there is the possibility of controlling the
> >>> overall visual rhythm... The live sound from each instrument is also
> >>> being transformed through lots of DSP in pd. So it's a complex setup
> >>> and it needs to be reliable as we'll be taking the show on the road at
> >>> some point.
> >>>
> >>> Many Thanks
> >>
> >> --------
> >> Dan Wilcox
> >> @danomatika
> >> danomatika.com <http://danomatika.com>
> >> robotcowboy.com <http://robotcowboy.com>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
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>
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