kefir-

ffmpeg -f x11grab -thread_queue_size 64 -video_size 1920x1080 -framerate 30 -i :1 \
       -f v4l2 -thread_queue_size 64 -video_size 320x180 -framerate 30 -i /dev/video0 \
       -filter_complex 'overlay=main_w-overlay_w:main_h-overlay_h:format=yuv444' \
       -vcodec libx264 -preset ultrafast -qp 0 -pix_fmt yuv444p \
       video.mkv

kefir-

#!/usr/bin/env python
import cv2
c = cv2.imread('ketil.jpg')
height, width = c.shape[:2]
cv2.namedWindow('jpg', cv2.WINDOW_NORMAL)
cv2.resizeWindow('jpg', width, height)
cv2.imshow('jpg', c)
r = cv2.waitKey(0)
print "DEBUG: waitKey returned:", chr(r)
cv2.destroyAllWindows()

kefir-

; generated by Slic3r 0.9.11-dev on 2013-07-10 at 20:50:53

; layer_height = 0.35
; perimeters = 2
; top_solid_layers = 2
; bottom_solid_layers = 2
; fill_density = 0.3
; perimeter_speed = 80
; infill_speed = 100
; travel_speed = 300