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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