GEM-dev

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2417 discussions

Re: [GEM-dev] media loading problem
by Mathieu Bouchard 01 Apr '05

01 Apr '05

(resending my reply...) On Fri, 1 Apr 2005, IOhannes m zmoelnig wrote: > Tim Blechmann wrote: >> hi gem-devs ... >> i experienced something very strange with gem on a few machines ... >> i'm using gem to display images and play back videos ... but on one >> point (after a few hours), it refuses to load images / videos ... >> the strange thing ... i was able to load exactly these files before ... >> the version of gem is 0.90... >> any ideas? > the last time i had this behaviour, it was the first sign of an upcoming hard > crash of my harddrive. probably you better run... Hi. I have a different warning for you, in a similar situation. Let me explain. On the last installation I worked on (a museum in Quebec City) I've had a problem with one of the subtitles, which was encoded in QuickTime-PNG (because I needed alpha), and then the PNG decoder would yell "CRC Error!" and then crash because I didn't have an error handler for *that*. Well it's a good thing it crashed, else I wouldn't have noticed and it would've been very bad. But then it wasn't crashing an hour earlier, so what was going on? I rebooted and then everything was fine again. Turns out that on a 512M RAM bar there was *1* bit which was occasionally failing, and the disk cache chose that spot to hold a compressed frame of the subtitle. It also explains a corrupted directory (that fsck wouldn't handle!) that appeared upon installing Linux, and some files being mysteriously different on backups than on the originals. I strongly recommend testing the RAM with http://memtest86.com/ or similar. However I also fried a CPU last summer, although it only got up to 80 celcius (AMD specs say 95 celcius max). The difference is that CPU failure will look like random noise in memtest86 (change every time, no pattern in addresses), whereas RAM failure will show definite patterns (the errors stay the same and might even show periodicity, for example exactly 256k apart). On a related note, I just had a major hard disk crash (accompanied with feelings of guilt about backups being too old). However, the disk had suddenly died, so it was only the controller. Surface damage is more insidious but also you have more time to do backups. I would like to thank Christian Klippel (the multio/vdsp/karma guy) for suggesting swapping controllers with the one of an identical harddisk I happened to have. .-----------------------------------------------------------------. / The Diagram is the Program (TM) ,--------------------------------} {----------------------------------" http://artengine.ca/matju / `-----------------------------------------------------------------'

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media loading problem
by Tim Blechmann 01 Apr '05

01 Apr '05

hi gem-devs ... i experienced something very strange with gem on a few machines ... i'm using gem to display images and play back videos ... but on one point (after a few hours), it refuses to load images / videos ... from the logs: TIFFOpen: /home/phantom/media/coul-rou.png.tiff: Cannot open. error: GEM: Unable to load image: /home/phantom/media/coul-rou.png.tiff error: GEM: Unable to open image file: /home/phantom/media/slo08-A0.png.tiff TIFFOpen: /home/phantom/media/slo08-A0.png.tiff: Cannot open. <snip> GEM: pix_film: Loaded file: /home/phantom/media/AN-slo10.avi.jpeg.mov with 127 frames (1280x1024) GEM: pix_film:: couldn't decode video ! GEM: pix_film:: couldn't decode video ! GEM: pix_film:: couldn't decode video ! the strange thing ... i was able to load exactly these files before ... the version of gem is 0.90... any ideas? thanks ... tim -- mailto:TimBlechmann@gmx.de ICQ: 96771783 http://www.mokabar.tk latest mp3: kMW.mp3 http://mattin.org/mp3.html latest cd: Goh Lee Kwang & Tim Blechmann: Drone http://www.geocities.com/gohleekwangtimblechmannduo/ After one look at this planet any visitor from outer space would say "I want to see the manager." William S. Burroughs

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bug: geos vertices messup with draw full/fill message
by Erich Berger 31 Mar '05

31 Mar '05

hi, attached u find a patch which shows that when one sends a |draw full( or |draw fill( to cube or cuboid, ( thats the ones i noticed) the vertices drawing gets messed up. in opposite sphere and tube are working as it should. this is just visible with alpha enabeled and happens for example if one switches back from drawing a geo as line to fill mode. esp. strange is that a |draw full( message is doing something, as its everywhere called "fill" in the src, but maybe this points already to a possible errorsource ? cheers erich --------------------- http://randomseed.org

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Re: pix_multiblob
by IOhannes m zmoelnig 31 Mar '05

31 Mar '05

B. Bogart wrote: > Hey IOhannes, > > did you find the multi-blob tracker you mentioned on list? well here it is. i haven't yet added it to the CVS, as i think the functionality should be broken into 2 objects: [pix_multiblob] (that detects multiple blobs in one image) and a [blobtracker] object that does the tracking (this is: ensure consistency of indices over time) of feature-vectors. the [pix_multiblob] is finished and i think i will submit it; the [blobtracker] (which will most likely be an abstraction based on iemmatrix) has bothered me the whole day (and i don't know why ;-)) mfg.adr IOhannes

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gem configure script
by Tim Blechmann 31 Mar '05

31 Mar '05

hi all i have some problems compiling Gem on fedora core 3: the configure script fails: checking for main in -lX11... yes checking for main in -lXext... yes checking for XF86VidModeGetAllModeLines in -lXxf86vm... yes checking for sin in -lm... no checking for main in -lz... no checking for glInitNames in -lGL... no checking for glInitNames in -lMesaGL... no OpenGL is mandatory since "sin" can't be found in libm, there is something really bad going on ... (btw, nm /usr/lib/libm.so shows sin) tim -- mailto:TimBlechmann@gmx.de ICQ: 96771783 http://www.mokabar.tk latest mp3: kMW.mp3 http://mattin.org/mp3.html latest cd: Goh Lee Kwang & Tim Blechmann: Drone http://www.geocities.com/gohleekwangtimblechmannduo/ After one look at this planet any visitor from outer space would say "I want to see the manager." William S. Burroughs

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OSX Compiled but not working
by Wesley H. Smith 29 Mar '05

29 Mar '05

Thanks for the tip on the src files James, So, I was able to compile Gem.pd_darwin with one caveat...my Gem.pd_darwin is 12.6MB whereas the G4 distribution is 17.9MB. Obviously, something went wrong here. For grins, I tried to run PD/GEM with the version I compiled. PD loaded, I saw the console window and then it quit without saying anything not even about GEM. I thent tried it with the G4 distro from iem and everything was normal. At this point, I have no idea what went wrong. I have all of the files/frameworks etc. The last thing I was having problems with was trying to get Xcode to find libftgl.a. I gave the project a path to this file in the resource path settings and it compiled. I did do one thing that I wasn't sure about. I made an errant click in the xcode project, but I wasn't sure what exactly I did. I ended up getting some erorrs that I hadn't seen before and unchecked gemextwin.cpp and gemextwin.h from the project since they included /Base/GemOutput.h. During compilation I had 41 warnings which looked mostly harmless to me from tube.h, pix_texture.cpp, pix_halftone.cpp, model_loader.cpp, GemPixUtil.cpp, and pix_videoDarwin.cpp. Maybe someone has come across this situation before? Any suggestions? best, wes

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OSX Compiled but not working +1
by Wesley H. Smith 29 Mar '05

29 Mar '05

If this helps, here's the terminal output when trying to run Pd.GEM: dyld: /Applications/Pd-0.38-2.app/Contents/Resources/Scripts/../bin/pd Undefined symbols: __ZN8CVector39normalizeEv __ZN8CVector3C1Efff __ZN8CVector3C1Ev __ZN8CVector3miES_ __ZN8CVector3plES_ _orb_close _orb_getstatus _orb_init _orb_open _orb_set_nullregion pd_gui: pd process exited wes

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OSx Compile missing src files
by Wesley H. Smith 27 Mar '05

27 Mar '05

Hi, I'm almost to the compilation stage of this process. I have all of the libraries compiled and loaded into the GEM project, but I'm still missing 3 files and their headers. The wayward code files are called: /Base/GemOutput.cpp /Controls/gemcontrol.cpp /Controls/gemwindow.cpp I performed a CVS checkout yesterday following the example on gem.iem.at and these files didn't come with it. I also have a download of GEM with src files, but they weren't there either. Where can I get these? muchas gracias, wes

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RE: [GEM-dev] CVS osX
by Wesley H. Smith 26 Mar '05

26 Mar '05

Ok, so a friend of mine helped me with the CVS stuff, so I'm on my way. No need to reply to my original post. best, wes

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CVS osX
by Wesley H. Smith 25 Mar '05

25 Mar '05

Hi, I'm tring to compile the GEM xcode project and thus need the GemLibs. I tried cvs -z3 -d:pserver:anonymous@cvs.gem.iem.at:/cvsroot/pd-gem checkout Gem GemLibs but I got an error "login aborted use cvs login", so I tried cvs login -z3 -d:pserver:anonymous@cvs.gem.iem.at:/cvsroot/pd-gem checkout Gem GemLibs but this gave me an error "cvs login: No CVSROOT specified! Please use the `-d' option". I thought I had used the -d option in the above line. I tried a couple of variations but was unable to find anything helpful in the man pages. Any suggestions out there? muchas gracias, wes

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