V4L2-COMPLIANCE(1) (NAME) v4l2-compliance - video4linux (SYNOPSIS) v4l2-compliance [-h] [-d ] [ ] (DESCRIPTION) v4l2-compliance video4linux vbi swradio . V4L2 ioctl V4L2 . VBI () . -- (memory-to-memory) . v4l2-compliance linux-media@vger.kernel.org . git (http://git.linuxtv.org/cgit.cgi/v4l-utils.git). . . v4l2-compliance V4L2 API . ioctl . v4l2-compliance . V4L2 v4l2-compliance . (streaming) . . -s . . v4l2-compliance ( Ctrl-C) . . v4l2-compliance . -f -c . . -a . ! (OPTIONS) -d, --device . /dev/video . -z (entity) ( 0x) () -z . -V, --vbi-device vbi. /dev/vbi . -z ( 0x) -z . -r, --radio-device . /dev/radio . -z ( 0x) -z . -S, --sdr-device SDR. /dev/swradio . -z ( 0x) -z . -t, --touch-device (touch). /dev/v4l-touch . -z ( 0x) -z . -u, --subdev-device v4l-subdevX. /dev/v4l-subdev . -z -e, --exp-buf-device DMABUFfer DMABUF . /dev/video . -z ( 0x) -z . DMABUF . -z, --media-bus-info . . : v4l2-compliance -z platform:vivid-000 -d vivid-000-vid-cap -m, --media-device (media controller). . /dev/media . . : v4l2-compliance -m platform:vivid-000 -M, --media-device-only . . /dev/media . . : v4l2-compliance -M platform:vivid-000 --stream-from [=], --stream-from-hdr [=] . fourcc pixelformat pixelformat . --stream-from-hdr v4l2-ctl --stream-to-hdr (payload) . . -s, --streaming (streaming). ( 60). v4l2-compliance ( ) ( ) . DMABUF --expbuf-device . v4l2-compliance . -f, --stream-all-formats [] . MMAP read/write ( V4L2_MEMORY_MMAP ) . (scaling) (cropping) (composing) . . . v4l2-compliance . -c, --stream-all-color color=red|green|blue,skip=,perc= . R G B . perc color . () . skip . skip . perc 90% . . . . v4l2-compliance . -a, --stream-all-io -s -c -f . . -E, --exit-on-fail . -C, --color OK/warn/fail/FAIL . OK warn (bold) fail/FAIL . always never auto () . -n, --no-warnings . . -P, --no-progress . . -T, --trace ioctl . -v, --verbose (). --version . -w, --wrapper libv4l2 V4L2. libv4l2 V4L2 . v4l2-compliance libv4l2 V4L2 . -W, --exit-on-warn . -h, --help . (EXIT STATUS) 0 . . (BUGS) v4l2-compliance . linux-media@vger.kernel.org . v4l-utils 1.32.0 March 2015 V4L2-COMPLIANCE(1)