Arch Linux

bluber

Member

Registered: 2013-06-25

Posts: 3

[SOLVED] v4l emulated capture image formats missing

I'm trying to get my Webcam working with OpenCV on Archlinux. The Webcam is working through uvcvideo and OpenCV trys to access it through v4l requiring it to provide BGR24. The webcam itself only supports YUYV and MJPG and v4l should usually emulate the missing BGR24. This works perfect on lubuntu 64bit but on Archlinux 64bit the emulated formats are missing and therefore OpenCV cannot use the webcam.

Archlinux 64bit:
lubuntu 64bit:

Does anyone know why this is happening on archlinux?

Any help would be greatly appreciated!

SOLUTION: Turned out that Sundteks driver for a DVB USB Stick preloads libmediaclient.so for all programs what stuffs up v4l. I just removed the general preload and added it where necessary.

Last edited by bluber (2013-10-11 17:58:54)