[PD] pix_video webcam 1280x720
Marian Weger
mail at marianweger.com
Fri Sep 6 17:39:52 CEST 2013
Am 06.09.13 16:26, schrieb giuliano obici:
> Someone had experience using that webcam of microsoft Lifewebcam
> Cinema or other webcam with resolution HD.
Hello Guliano,
I have some good experience with the Logitech C615 and C920 FullHD
webcams. Under Linux.
BUT:
With the limited bandwith of USB 2.0, it is not possible to transfer HD
video with acceptable framerate, so these hd webcams have built-in h.264
compression.
Under Linux, the v4l2 drivers can use this compression and offer the
full resolution in PD/GEM.
Unfortunately, Apple has not implemented this compression feature into
their crappy usb camera drivers, so you stick to good old standard
definition on OSX.
cheers,
marian
>
> I am used to work with that webcam via Gem but not normally in big
> screens. I just got a surprise. It's not reach the resolution that it
> can offer 1280x720
> It opens in Gem automatically with the resolution 320x240. I tested
> the configuration via dialog in pix_video as well doing a bridge with
> the software CamTwist but it not works with such resolution.
>
> System that runs is a mac OS with pd Extended 0.43.4 as well as tested
> with Vanilla + Gem 0.93.3
>
> Tips and suggestions are welcome
>
> Best
>
> Giuliano
> --
> http://giulianobici.com
> http://n-1.art.br
> +49 0176 74198553
>
>
>
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