[PD] webcam problem in Gem with Ubuntu Intrepid/Pd-extended 0.41.4-rc3

IOhannes m zmoelnig zmoelnig at iem.at
Thu May 28 12:37:39 CEST 2009


Fränk Zimmer wrote:
> The Gem version in the recent pd-ectended does not suppoert video4linux2.
> I tried your workaround.-
> 
> 1) installed the libv4l-dev with synaptics
> 
> 2)
> % export LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so
> % pd -lib Gem
> 
> It works. So I`ll  have to start pd-ext everytime with this 2 lines.


> BUT the image quality is quiete bad. Is this because of the new driver ?
> Can I get a better quality? (the same as in winXP or in PDP on Ubuntu)

the default resolution is 64x64 (which _is_ bad), send a [dimen 640 480( 
to [pix_video] to change it (probably your cam doesn't like 640x480 so 
try other known-to-work values)

fgamdsr
IOhannes

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