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-w, --verbosity=LEVEL

Set Verbosity level (def: 0)
-d, --device=DEVICE

Set device name (def: /dev/video0)
-c, --capture=METHOD

Set capture method [read | mmap (def)]
-b, --disable_libv4l2

disable calls to libv4l2
-x, --resolution=WIDTHxHEIGHT

Request resolution (e.g 640x480)
-f, --format=FOURCC

Request format (e.g MJPG)
-r, --render=RENDER_API

Select render API (e.g none; sdl)
-m, --render_window=RENDER_WINDOW_FLAGS

Set render window flags (e.g none; full; max)
-a, --audio=AUDIO_API

Select audio API (e.g none; port; pulse)
-k, --audio_device=AUDIO_DEVICE

Select audio device index for selected api (0..N)
-g, --gui=GUI_API

Select GUI API (e.g none; gtk3)
-o, --audio_codec=CODEC

Audio codec [pcm mp2 mp3 aac ac3 vorb]
-u, --video_codec=CODEC

Video codec [raw mjpg mpeg flv1 wmv1 mpg2 mp43 dx50 h264 vp80 theo]
-p, --profile=FILENAME

load control profile
-j, --video=FILENAME

filename for captured video)
-i, --image=FILENAME

filename for captured image)
-y, --video_timer=TIME_IN_SEC

time (double) in sec. for video capture)
-t, --photo_timer=TIME_IN_SEC

time (double) in sec. between captured photos)
-n, --photo_total=TOTAL

total number of captured photos)
-z, --control_panel

Start in control panel mode