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Andrew Daviel
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Andrew Daviel
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Andrew Daviel

[libdecodeqr:0010] Building libdecodeqr for Maemo Linux

Andrew Daviel (advax#triumf.ca) 2008/03/27 02:48:42 -0700



I have a Nokia N810 tablet with a camera. It has an ARM processor and
runs Maemo Linux. There is a development toolkit "scratchbox" where I can
build programs on an Intel computer and copy them to the tablet.
Very often they work with no changes.

I build opencv-1.0.0 and libdecodeqr-0.9.3 in scratchbox. The only change
I needed was to compile one file in opencv with -O2 instead of -O3.
When I copy simpletest and libcv.so, libcxcore.so, libcvaux.so,
libhighgui.so to the N810 it appears to run normally - the image is
displayed. But all the images give 4200 status NOT_FOUND_FINDER_PATTERN.

I built the same programs for x86 AMD processor on Fedora Core 4 and they
decode many images correctly with status 2000.

Any suggestions ?

I can make a Web application work by copying images across WLAN to an x86
machine, but it would be much better to decode images on the tablet.

--
Andrew Daviel, TRIUMF, Canada