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| | {{protocol|id=v4l2}} | | {{protocol|id=v4l2}} |
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| − | === module options ===
| + | See [[Documentation:Modules/v4l2]]. |
| − | Video input:
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| − | --v4l2-dev <string> Device name
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| − | Name of the device to use. If you don't specify anything, /dev/video0
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| − | will be used.
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| − | --v4l2-standard {0 (Default), 16711680 (SECAM), 255 (PAL), 45056 (NTSC)}
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| − | Standard
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| − | Video standard (Default, SECAM, PAL, or NTSC).
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| − | --v4l2-chroma <string> Video input chroma format
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| − | Force the Video4Linux2 video device to use a specific chroma format
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| − | (eg. I420 or I422 for raw images, MJPEG for M-JPEG compressed input)
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| − | (Complete list: GREY, I240, RV16, RV15, RV24, RV32, YUY2, YUYV, UYVY,
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| − | I41N, I422, I420, I411, I410, MJPG)
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| − | --v4l2-input <integer> Input
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| − | Input of the card to use (see debug).
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| − | --v4l2-audio-input <integer>
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| − | Audio input
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| − | Audio input of the card to use (see debug).
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| − | --v4l2-io {0 (READ), 1 (MMAP), 2 (USERPTR)}
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| − | IO Method
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| − | IO Method (READ, MMAP, USERPTR).
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| − | --v4l2-width <integer> Width
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| − | Force width (-1 for autodetect).
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| − | --v4l2-height <integer> Height
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| − | Force height (-1 for autodetect).
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| − | --v4l2-fps <float> Framerate
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| − | Framerate to capture, if applicable (-1 for autodetect).
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| − | Audio input:
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| − | --v4l2-adev <string> Audio device name
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| − | Name of the audio device to use. If you don't specify anything,
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| − | "/dev/dsp" will be used for OSS, "hw" for Alsa.
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| − | --v4l2-audio-method <integer>
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| − | Audio method
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| − | Audio method to use: 0 to disable audio, 1 for OSS, 2 for ALSA, 3 for
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| − | ALSA or OSS (ALSA is prefered).
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| − | --v4l2-stereo, --no-v4l2-stereo
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| − | Stereo (default enabled)
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| − | Capture the audio stream in stereo. (default enabled)
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| − | --v4l2-samplerate <integer>
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| − | Samplerate
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| − | Samplerate of the captured audio stream, in Hz (eg: 11025, 22050,
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| − | 44100, 48000)
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| − | --v4l2-caching <integer> Caching value in ms
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| − | Caching value for V4L2 captures. This value should be set in
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| − | milliseconds.
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| − | Tuner:
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| − | --v4l2-tuner <integer> Tuner id
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| − | Tuner id (see debug output).
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| − | --v4l2-tuner-frequency <integer>
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| − | Frequency
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| − | Tuner frequency in Hz or kHz (see debug output)
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| − | --v4l2-tuner-audio-mode {0 (Mono), 1 (Stereo), 3 (Primary language (Analog
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| − | TV tuners only)), 2 (Secondary language (Analog TV tuners only)), 2 (Second audio
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| − | program (Analog TV tuners only)), 4 (Primary language left, Secondary language
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| − | right)}
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| − | Audio mode
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| − | Tuner audio mono/stereo and track selection.
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| − | Controls:
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| − | v4l2 driver controls, if supported by your v4l2 driver.
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| − | --v4l2-controls-reset, --no-v4l2-controls-reset
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| − | Reset v4l2 controls (default disabled)
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| − | Reset controls to defaults provided by the v4l2 driver. (default
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| − | disabled)
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| − | --v4l2-brightness <integer>
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| − | Brightness
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| − | Brightness of the video input (if supported by the v4l2 driver).
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| − | --v4l2-contrast <integer> Contrast
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| − | Contrast of the video input (if supported by the v4l2 driver).
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| − | --v4l2-saturation <integer>
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| − | Saturation
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| − | Saturation of the video input (if supported by the v4l2 driver).
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| − | --v4l2-hue <integer> Hue
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| − | Hue of the video input (if supported by the v4l2 driver).
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| − | --v4l2-black-level <integer>
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| − | Black level
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| − | Black level of the video input (if supported by the v4l2 driver).
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| − | --v4l2-auto-white-balance <integer>
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| − | Auto white balance
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| − | Automatically set the white balance of the video input (if supported
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| − | by the v4l2 driver).
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| − | --v4l2-do-white-balance <integer>
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| − | Do white balance
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| − | Trigger a white balancing action, useless if auto white balance is
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| − | activated (if supported by the v4l2 driver).
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| − | --v4l2-red-balance <integer>
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| − | Red balance
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| − | Red balance of the video input (if supported by the v4l2 driver).
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| − | --v4l2-blue-balance <integer>
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| − | Blue balance
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| − | Blue balance of the video input (if supported by the v4l2 driver).
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| − | --v4l2-gamma <integer> Gamma
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| − | Gamma of the video input (if supported by the v4l2 driver).
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| − | --v4l2-exposure <integer> Exposure
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| − | Exposure of the video input (if supported by the v4L2 driver).
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| − | --v4l2-autogain <integer> Auto gain
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| − | Automatically set the video input's gain (if supported by the v4l2
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| − | driver).
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| − | --v4l2-gain <integer> Gain
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| − | Video input's gain (if supported by the v4l2 driver).
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| − | --v4l2-hflip <integer> Horizontal flip
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| − | Flip the video horizontally (if supported by the v4l2 driver).
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| − | --v4l2-vflip <integer> Vertical flip
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| − | Flip the video vertically (if supported by the v4l2 driver).
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| − | --v4l2-hcenter <integer> Horizontal centering
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| − | Set the camera's horizontal centering (if supported by the v4l2
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| − | driver).
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| − | --v4l2-vcenter <integer> Vertical centering
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| − | Set the camera's vertical centering (if supported by the v4l2 driver).
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| − | --v4l2-audio-volume <integer>
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| − | Volume
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| − | Volume of the audio input (if supported by the v4l2 driver).
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| − | --v4l2-audio-balance <integer>
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| − | Balance
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| − | Balance of the audio input (if supported by the v4l2 driver).
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| − | --v4l2-audio-mute, --no-v4l2-audio-mute
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| − | Mute (default disabled)
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| − | Mute audio input (if supported by the v4l2 driver). (default disabled)
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| − | --v4l2-audio-bass <integer>
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| − | Bass
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| − | Bass level of the audio input (if supported by the v4l2 driver).
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| − | --v4l2-audio-treble <integer>
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| − | Treble
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| − | Treble level of the audio input (if supported by the v4l2 driver).
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| − | --v4l2-audio-loudness <integer>
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| − | Loudness
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| − | Loudness of the audio input (if supported by the v4l2 driver).
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| − | --v4l2-set-ctrls <string> v4l2 driver controls
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| − | Set the v4l2 driver controls to the values specified using a comma
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| − | separated list optionally encapsulated by curly braces (e.g.:
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| − | {video_bitrate=6000000,audio_crc=0,stream_type=3} ). To list
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| − | available controls, increase verbosity (-vvv) or use the v4l2-ctl
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| − | application.
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