One Idea on Wheezy by make?
Please help than run OBS under Wheezy!

obs-studio/plugins/linux-v4l2/v4l2-input.c: In function ‘v4l2_device_list’:
obs-studio/plugins/linux-v4l2/v4l2-input.c:301:36: error: ‘V4L2_CAP_DEVICE_CAPS’ undeclared (first use in this function)
obs-studio/plugins/linux-v4l2/v4l2-input.c:301:36: note: each undeclared identifier is reported only once for each function it appears in
obs-studio/plugins/linux-v4l2/v4l2-input.c:302:15: error: ‘struct v4l2_capability’ has no member named ‘device_caps’
obs-studio/plugins/linux-v4l2/v4l2-input.c: In function ‘format_selected’:
obs-studio/plugins/linux-v4l2/v4l2-input.c:599:28: error: ‘V4L2_IN_CAP_DV_TIMINGS’ undeclared (first use in this function)
obs-studio/plugins/linux-v4l2/v4l2-input.c: In function ‘v4l2_init’:
obs-studio/plugins/linux-v4l2/v4l2-input.c:831:19: error: ‘V4L2_IN_CAP_DV_TIMINGS’ undeclared (first use in this function)
make[2]: *** [plugins/linux-v4l2/CMakeFiles/linux-v4l2.dir/v4l2-input.c.o] Fehler 1
make[1]: *** [plugins/linux-v4l2/CMakeFiles/linux-v4l2.dir/all] Fehler 2
make: *** [all] Fehler 2