OK, now it works on PowerPC, MacOSX.4.11

Here the method :

• Download this three libraries with Fink : libjpeg + libpng3 + libtiff

• In Terminal :
cvs -d:pserver:[EMAIL PROTECTED]:/cvsroot/ opencvlibrary login
---->  then hit 'enter' on your keyboard
cvs -z3 -d:pserver:[EMAIL PROTECTED]:/ cvsroot/opencvlibrary co -P opencv
----> download opencv sources

• with a text editor, open the file : cvcap_qt.cpp
look for '__BEGIN__' and change it by '__BEGIN__{'
look for '__END__' and change it by '}__END__'
---->  save

• In Terminal
----> go to your opencv folder you just download and create a new folder 'build' :
cd blabla/opencv
mkdir build
cd build
../configure CPPFLAGS="-I/sw/include" LDFLAGS="-L/sw/lib"
make
sudo make install
---->   enter your password

• With you browser go to :
http://hangar.org/wikis/lab/doku.php?id=start:puredata_opencv
---->   download pix_opencv-0.1a.tar.gz and decompress all :
http://hangar.org/wikis/lab/pd/pix_opencv-0.1a.tar.gz
---->   download PD-extended sources and decompress all :
http://downloads.sourceforge.net/pure-data/Pd-0.39.3-extended.tar.bz2
---->   download the makefile for macosx :
http://hangar.org/wikis/lab/pd/opencv/Makefile.darwin

• In the Finder :
----> change 'Makefile.darwin' by 'Makefile' and then overwrite the 'Makefile' in 'pix_opencv' folder you just download

• With a text editor :
---->   open this new 'Makefile' and change :
PD_DIR = /*/Pd-0.39.3-extended/pd (enter the path of the 'pd' folder in 'Pd-0.39.3-extended' folder you just download from sourceforge) GEM_DIR = /*/Pd-0.39.3-extended/Gem (enter the path of the 'Gem' folder in 'Pd-0.39.3-extended' folder you just download from sourceforge)
---->   save

• In Terminal :
---->   go to the folder 'pix_opencv' with 'cd '
export MACOSX_DEPLOYMENT_TARGET=10.4
make clean
make

• Then copy the '.pd_darwin' create in the 'pix_opencv' folder in your '/Applications/Pd-0.40.3-extended-20080315.app/Contents/ Resources/extra/Gem/' for exemple

Hope it will help and hope i have not made mistake.
Thx to Lluis for his help.
++

Jack


Le 28 avr. 08 à 12:29, Jack a écrit :

Hello PD users,
When i compile opencv, i get this error on macos X.4.11, G4 powerbook :
../../../otherlibs/highgui/cvcap_qt.cpp: In function `int
icvWriteFrame_QT(CvVideoWriter*, const IplImage*)':
../../../otherlibs/highgui/cvcap_qt.cpp:1183: warning: unused
variable 'status'
../../../otherlibs/highgui/cvcap_qt.cpp: In function `CvVideoWriter*
cvCreateVideoWriter_QT(const char*, int, double, CvSize, int)':
../../../otherlibs/highgui/cvcap_qt.cpp:1425: error: jump to label
'exit'
../../../otherlibs/highgui/cvcap_qt.cpp:1310: error:   from here
../../../otherlibs/highgui/cvcap_qt.cpp:1361: error:   crosses
initialization of 'MediaType** video'
../../../otherlibs/highgui/cvcap_qt.cpp:1350: error:   crosses
initialization of 'TrackType** video_track'
../../../otherlibs/highgui/cvcap_qt.cpp:1330: error:   crosses
initialization of 'const __CFString* out_path'
make[3]: *** [cvcap_qt.lo] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Any idea ?
I followed the instructions from :
http://opencvlibrary.sourceforge.net/Mac_OS_X_OpenCV_Port
Thanx.
++

Jack


Le 26 avr. 08 à 06:17, marius schebella a écrit :

got it working!

[EMAIL PROTECTED] wrote:

However, when I try to load any of them PD gives me this error::

/Users/lluisgomezbigorda/pix_opencv/pix_opencv_edge.pd_darwin:
dlopen(/Users/lluisgomezbigorda/pix_opencv/ pix_opencv_edge.pd_darwin,
10): Symbol not found: __ZN7GemBase10isRunnableEv
  Referenced from:
/Users/lluisgomezbigorda/pix_opencv/pix_opencv_edge.pd_darwin
  Expected in: dynamic lookup

I got this error too, but only when gem was not loaded. when gem is
loaded, everything is fine.

In order to make the opencv objects work I always had to set
colorspace
RGB. otherwise, I did no see any effect. I think the default on osx is
yuv. anyway, will test a little more. great stuff!
marius.

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