#jogamp @ irc.freenode.net - 20130503 05:05:50 (UTC)
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20130503 08:10:37 <sgothel> too bad, VBox Windows client driver multi-monitor is mapped to only one DisplayDevice :( - Real monitors on a real machine seems to work .. testing ..
20130503 08:19:38 * ___m___ is now known as [Mike]
20130503 08:38:16 <xranby_ac100> sgothel: i can easily create some exotic display configuration setups. i have access to several usb-monitors these devices are kind of a graphicscard on usb... i realised that i have never tested using them in combination with jogl
20130503 08:38:48 <xranby_ac100> thus i may easily create a 5 monitor setup etc
20130503 08:39:48 <xranby_ac100> hopefully... pluging them in is easy.
20130503 08:39:51 <sgothel> great .. yeah, testing w/ 2 LCDs now .. will pass simple tests on X11, Win, OSX .. then I will push it today (finally .. took like 5 days)
20130503 08:39:55 <sgothel> hehe
20130503 08:40:15 <sgothel> almost got nuts w/ Win API .. when vbox didn't show 'em up :)
20130503 08:40:52 <xranby_ac100> sgothel: 5 days is quite quick for this kind of work IMHO!
20130503 08:41:38 <sgothel> yeah thx .. maybe it was 4 .. had a few support request, but them .. wasn't starting from scratch though
20130503 08:41:49 <sgothel> but sure, API changes ofc .. we had no monitor thingy ..
20130503 08:42:09 <sgothel> added the window.getMainMonitor() -> weighted, i.e. greatest coverage
20130503 08:42:21 <sgothel> makes sense :)
20130503 08:42:25 <sgothel> good point
20130503 08:43:01 <sgothel> (but simply using rectangle intersection w/o sweeping algo - guess we won't have 1000 monitors :)
20130503 08:45:58 <xranby_ac100> thanks, hehe if some starts to report his kind of usecase we know they are spooks monitoring a multidesktop setup using jogl :p
20130503 08:47:15 <xranby_ac100> can jogl scale to accomidate a multidevice setup?
20130503 08:47:40 <xranby_ac100> like a multi tv konitor wall made up of 16 embedded devices and a network switch
20130503 08:47:42 <xranby_ac100> tv monitor wall
20130503 08:48:28 <sgothel> oh .. X11 .. hmm .. actually sort of
20130503 08:48:59 <sgothel> but each GPU / Display connection would need to act separate
20130503 08:49:06 <xranby_ac100> the texas instruments beagleboard hackers have from time to time used such an setup to play video on multiple monitors
20130503 08:49:09 <sgothel> so there might be sync issues
20130503 08:49:31 <sgothel> but w/ X11 .. hmm .. could be one client app ..
20130503 08:50:01 <sgothel> one unit tests shows a 2 gears each on it's own X11 display connections :)
20130503 08:50:40 <sgothel> windows/OSX are not network capable
20130503 08:51:08 <sgothel> and the other stuff for GNU/Linux .. well .. not either :(
20130503 08:51:15 <sgothel> (wayland, mir)
20130503 08:51:58 <sgothel> remote X11/GLX works great w/ NV drivers .. since they always add remote GLX protocols for new stuff (GL3/GL4)
20130503 08:57:03 <xranby_ac100> hmm pluggin in the usb display did not auto configure itself like i had expected it to do
20130503 08:57:36 <xranby_ac100> it got registered by the linux kernel as a framebuffer device but it did not end up usuable under X11
20130503 08:59:41 <xranby_ac100> fedora is known to have good support for these kind of devices
20130503 09:02:14 <sgothel> probably some binary blob firmwares are missing ?
20130503 09:02:35 <sgothel> would be great to know whether such a thing works
20130503 09:02:59 <xranby_ac100> i dont think so.. i have these displays running in a production sertup but ther i had compiled the x11 driver myself
20130503 09:03:09 <sgothel> I only now those DVB USB devices .. which work, but are only input devices, never tried video output USB
20130503 09:03:17 <sgothel> oh
20130503 09:03:29 <sgothel> USB3 ?
20130503 09:03:37 <sgothel> how fast can it be ?
20130503 09:04:00 <xranby_ac100> USB2, the free software hackers have reverse engineered the protocol.
20130503 09:05:06 <xranby_ac100> http://media.ccc.de/browse/congress/2009/26c3-3353-de-reverse-engineering_displaylink_devices.html
20130503 09:05:07 <sgothel> not funny, one would think that the hw vendor would love .. oh well
20130503 09:07:02 <sgothel> oh .. usb gpu w/ dvi/hdmi :)
20130503 09:07:24 <sgothel> Xerxes: You are 'horrible' .. now I have to watch it :)
20130503 09:09:12 <xranby_ac100> sorry for infusing distraction to your everyday life hehe
20130503 09:09:24 <sgothel> nice
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20130503 09:17:29 <sgothel> they were freaky lucky that the authors of this fake-crypto were morons :)
20130503 09:18:05 <sgothel> expensive obfuscating data stream on an ASIC .. what a waste
20130503 09:18:30 <sgothel> but: great guys
20130503 09:22:12 <sgothel> I see you now using Java/USB access .. offscreen rendering and pasting to the wall :)
20130503 09:25:29 <sgothel> indeed .. instead of huffmann, video-encoding for animated data would be much more efficient .. hmm
20130503 09:25:46 <sgothel> webm, h264 .. etc
20130503 09:26:43 <sgothel> Harvey was mentioning an java video encoder .. could stream that to our little boards for the wall :)
20130503 09:28:30 <xranby_ac100> i like giving you material, since you process it into good ideas
20130503 09:29:10 <sgothel> sure you have the lag encode/decode .. but I guess that doesn't matter for wall use-cases
20130503 09:29:44 <sgothel> and may scale well, i.e. encode segment for each viewport (for each device / wall-segment)
20130503 09:30:12 <sgothel> .. per thread
20130503 09:30:43 <sgothel> there are pico projectors taking mp4 as input :)
20130503 09:35:28 <xranby_ac100> to ease setup use a usb camera and opencv
20130503 09:35:51 <xranby_ac100> scatter the monitors on the desk and use image processing to figure out where each monitor are
20130503 09:36:21 <sgothel> feedback identity :)
20130503 09:37:04 <sgothel> they do it w/ surround systems nowadays .. using a mic
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20130503 14:53:11 <hharrison> sgothel: definitely going to have some good material for siggraph
20130503 14:53:52 <hharrison> Just getting stuff pulled out to the opensource repo today to show off
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