Pd-dev August 2009

pd-dev@lists.iem.at

23 participants
81 discussions

Fwd: PureData/Gridflow/Camera
by sisil mehta 04 Aug '09

04 Aug '09

Hey, Actually i'm a newb...i had some of the following questions: for using the camera do i need to add some path to the file->path section? do i need to change over to pwc? or keep using v4l? which one is required for webcam,mine is :creative integrated webcam. Ultimately i need to use #labeling , but i cant even find it...i have the newest version of gridflow. Thnks,sisil On Sun, Aug 2, 2009 at 1:21 PM, Alexandre Castonguay < acastonguay(a)artengine.ca> wrote: > Hi Sisil, > > I just tried it with a logitech camera and I get a hard crash. The same > camera works under Gem. I will be able to try it some more in a couple of > days. > > As for windows and gf...I think you are better off staying in linux. > > Cheers, > > Alexandre > > > > > sisil mehta a écrit : > >> I have been trying to run the motion_detect.pd and have been unable to >> configure the camera. I have installed v4l (format/videodetect.c). Does >> gridflow support any webcam?(i have a integrated Creative webcam on my >> laptop.) I read on a forum about some driver for the philips cam. How do i >> go about installing drivers for camera for gridflow?(i'm a newb...)(can i >> make any cam other than the philips one, which has drivers ,work?and usually >> from what source does gridflow get video?). >> >> Thnks, >> Sisil >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Pd-dev mailing list >> Pd-dev(a)iem.at >> http://lists.puredata.info/listinfo/pd-dev >> >> > >

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PureData/Gridflow/Camera
by sisil mehta 04 Aug '09

04 Aug '09

I have been trying to run the motion_detect.pd and have been unable to configure the camera. I have installed v4l (format/videodetect.c). Does gridflow support any webcam?(i have a integrated Creative webcam on my laptop.) I read on a forum about some driver for the philips cam. How do i go about installing drivers for camera for gridflow?(i'm a newb...)(can i make any cam other than the philips one, which has drivers ,work?and usually from what source does gridflow get video?). Thnks, Sisil

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PureData/GridFlow/flow_objects.c
by sisil mehta 04 Aug '09

04 Aug '09

Hey, How exactly do i use this the file flow_objects.c with puredata to get it running like shown in this link: http://gridflow.ca/gallery/multiblob.png I'm new to linx and puredata, so not really sure how to use flow_objects.c. Thnks, sisil

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Re: [PD-dev] trouble installing PWC driver
by Mathieu Bouchard 03 Aug '09

03 Aug '09

On Tue, 4 Aug 2009, sisil mehta wrote: > hmm, But in gridflow when running the camera-help.pd , it mentions the need > for either a tv source or it mentions: for webcams you need to have a pwc > module loaded. Yeah it still says that. I don't recall who wrote that, but the doc is wrong and was always wrong, because PWC came after QC-USB and we used both drivers "at the same time" for a while... I last tried QC-USB as recently as 2008, with an old Lego Mindstorm camera. AFAIK, QC-USB was always supported since the day it started working, and that was a while before we even knew what PWC was. > if there is a way to use v4l2 (which enables use of uvc cams) is it stable > and safe? I've already said all that I know. Please stay on the forums, it may help you. I say that because you often reply in private, and it's not really appropriate, for most cases where people start posting in public. _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal, Québec

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PureData/Gridflow/Windows
by sisil mehta 03 Aug '09

03 Aug '09

Pure Data does work on windows. However will the gridflow libs work on windows as well? what if i use cygwin. Has anyone tried this before (i'm a newb...so any help is appreciated) Sisil.

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Pure Data/adding _path for gridflow
by sisil mehta 03 Aug '09

03 Aug '09

I am having trouble running any of the gridflow exmaples on PD. my gridflow directory is located at /usr/lib/pd/extra/gridflow. I created the .pdrc file in /home I am a newb to this.So how do i add the CPLUS_INCLUDE_PATH for gridflow? also what is LIBRARY_PATH and LD_LIBRARY_PATH and what is this path supposed to be? Sisil.

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Re: [PD-dev] trouble installing PWC driver
by Mathieu Bouchard 03 Aug '09

03 Aug '09

On Tue, 4 Aug 2009, sisil mehta wrote: > u mentioned about using the uvc driver, but i actually ws using gridflow > in puredata which requires the pwc driver.(unless there is a way to > avoid that and use uvc . is there?) Johannes Zmölnig just mentioned (on pd-dev) some way of doing it, which I have not tried yet. This is because UVC supports V4L2 but not V4L1, and GridFlow supports V4L1 but not V4L2, so you need an adaptor. I knew about an adaptor for the other way (V4L1 driver, V4L2 program) but not this way (V4L2 driver, V4L1 program). GridFlow does not "require" the PWC driver. It supports some features that are only in the PWC driver, but that's optional. It supports V4L1 in general (I used it with Brooktree devices and QC-USB devices in the past). I believe that a device is either requiring the PWC driver or the UVC driver, and you don't have a choice. for example, the QC Pro 4000 supports only PWC, and the QC Pro 5000 supports only UVC. _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal, Québec

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GridFlow/#labeling
by sisil mehta 03 Aug '09

03 Aug '09

I just can find the #labeling file? i have gridflow 0.9.4 has it been replaced by some other file??

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Gridflow/How to patch PWC
by sisil mehta 03 Aug '09

03 Aug '09

Hey, I have linux kernel 2.6.24-23 generic. I downloaded pwc 10.0.12 rc1 and as per their website( http://www.lavrsen.dk/foswiki/bin/view/PWC/InstallationStandAloneModuleKern…) it says : Patch the module You might need to patch the module if you have kernel 2.6.22 or higher. Applies to version pwc-10.0.12-rc1: http://www.xs4all.nl/~carlo17/pwc/index.html<http://www.xs4all.nl/%7Ecarlo17/pwc/index.html> i'm new to linux. so cansomeone help me with this?I didnt really understand how to do this. Sisil.

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trouble installing PWC driver
by sisil mehta 03 Aug '09

03 Aug '09

Hey, everytime i run the make comman for pwc it gives me the following error: make -C /lib/modules/2.6.24-23-generic/build SUBDIRS=/home/sisil/Desktop/pwc-10.0.12-rc1 modules make[1]: Entering directory `/usr/src/linux-headers-2.6.24-23-generic' CC [M] /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.o In file included from /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:69: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc.h:28:26: error: linux/config.h: No such file or directory /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:166: error: variable ‘pwc_template’ has initializer but incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:167: error: unknown field ‘owner’ specified in initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:167: warning: excess elements in struct initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:167: warning: (near initialization for ‘pwc_template’) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:168: error: unknown field ‘name’ specified in initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:168: warning: excess elements in struct initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:168: warning: (near initialization for ‘pwc_template’) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:169: error: unknown field ‘type’ specified in initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:169: warning: excess elements in struct initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:169: warning: (near initialization for ‘pwc_template’) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:170: error: unknown field ‘hardware’ specified in initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:170: error: ‘VID_HARDWARE_PWC’ undeclared here (not in a function) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:170: warning: excess elements in struct initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:170: warning: (near initialization for ‘pwc_template’) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:171: error: unknown field ‘release’ specified in initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:171: error: ‘video_device_release’ undeclared here (not in a function) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:171: warning: excess elements in struct initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:171: warning: (near initialization for ‘pwc_template’) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:172: error: unknown field ‘fops’ specified in initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:172: warning: excess elements in struct initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:172: warning: (near initialization for ‘pwc_template’) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:173: error: unknown field ‘minor’ specified in initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:173: warning: excess elements in struct initializer /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:173: warning: (near initialization for ‘pwc_template’) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_isoc_init’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:921: warning: assignment from incompatible pointer type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘cd_to_pwc’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1019: error: implicit declaration of function ‘to_video_device’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1019: warning: initialization makes pointer from integer without a cast /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1020: error: implicit declaration of function ‘video_get_drvdata’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1020: warning: return makes pointer from integer without a cast /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_create_sysfs_files’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1062: warning: initialization makes pointer from integer without a cast /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1064: error: implicit declaration of function ‘video_device_create_file’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_remove_sysfs_files’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1070: warning: initialization makes pointer from integer without a cast /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1072: error: implicit declaration of function ‘video_device_remove_file’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_video_open’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1112: error: implicit declaration of function ‘video_devdata’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1112: warning: initialization makes pointer from integer without a cast /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1117: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_video_close’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1231: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_video_read’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1292: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_video_poll’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1359: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_video_ioctl’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1375: error: implicit declaration of function ‘video_usercopy’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘pwc_video_mmap’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1388: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘usb_pwc_probe’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1722: error: implicit declaration of function ‘video_device_alloc’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1722: warning: assignment makes pointer from integer without a cast /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1729: error: invalid application of ‘sizeof’ to incomplete type ‘struct video_device’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1729: error: invalid application of ‘sizeof’ to incomplete type ‘struct video_device’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1729: error: invalid application of ‘sizeof’ to incomplete type ‘struct video_device’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1730: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1731: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1732: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1733: error: implicit declaration of function ‘video_set_drvdata’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1756: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1757: error: implicit declaration of function ‘video_register_device’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1757: error: ‘VFL_TYPE_GRABBER’ undeclared (first use in this function) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1757: error: (Each undeclared identifier is reported only once /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1757: error: for each function it appears in.) /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1760: error: implicit declaration of function ‘video_device_release’ /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1765: error: dereferencing pointer to incomplete type /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c: In function ‘usb_pwc_disconnect’: /home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.c:1819: error: implicit declaration of function ‘video_unregister_device’ make[2]: *** [/home/sisil/Desktop/pwc-10.0.12-rc1/pwc-if.o] Error 1 make[1]: *** [_module_/home/sisil/Desktop/pwc-10.0.12-rc1] Error 2 make[1]: Leaving directory `/usr/src/linux-headers-2.6.24-23-generic' make: *** [all] Error 2 Where am i goin wrong? what else do i need to install? i read the install.en file but it isnt making any sense where i'm goin wrong thnks sisil

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Pd-dev August 2009