Difference between revisions of "Documentation:Modules/v4l"
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| − | + | {{module|name=v4l|type=Access demux|last_version=1.1.13|os=Linux|description=Video 4 Linux input}} | |
| + | |||
| + | == Help Output == | ||
| + | |||
| + | Each of these options can be used as commandline flags individually as shown below or as such: | ||
| + | v4l:///dev/video:norm=secam:frequency=543250:size=640x480:channel=0:adev=/dev/dsp:audio=0 | ||
| + | where you can see that /dev/video refers to vdev, and the rest line up with the flags below less the prefix --v4l-. | ||
| + | |||
Video4Linux input (v4l) | Video4Linux input (v4l) | ||
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--v4l-quality <integer> Quality | --v4l-quality <integer> Quality | ||
Quality of the stream. | Quality of the stream. | ||
| + | |||
| + | [[Category:GNU/Linux]] | ||
Latest revision as of 06:01, 13 March 2019
| Module: v4l | |
|---|---|
| Type | Access demux |
| First VLC version | - |
| Last VLC version | 1.1.13 |
| Operating system(s) | Linux |
| Description | Video 4 Linux input |
| Shortcut(s) | - |
Help Output
Each of these options can be used as commandline flags individually as shown below or as such: v4l:///dev/video:norm=secam:frequency=543250:size=640x480:channel=0:adev=/dev/dsp:audio=0 where you can see that /dev/video refers to vdev, and the rest line up with the flags below less the prefix --v4l-.
Video4Linux input (v4l)
--v4l-caching <integer> Caching value in ms
Caching value for V4L captures. This value should be set in milliseconds.
--v4l-vdev <string> Video device name
Name of the video device to use. If you don't specify anything, no video device will be used.
--v4l-adev <string> Audio device name
Name of the audio device to use. If you don't specify anything, no audio device will be used.
--v4l-chroma <string> Video input chroma format
Force the Video4Linux video device to use a specific chroma format (eg. I420 (default), RV24, etc.)
--v4l-fps <float> Framerate
Framerate to capture, if applicable (-1 for autodetect).
--v4l-samplerate <integer> Samplerate
Samplerate of the captured audio stream, in Hz (eg: 11025, 22050, 44100)
--v4l-channel <integer> Channel
Channel of the card to use (Usually, 0 = tuner, 1 = composite, 2 = svideo).
--v4l-tuner <integer> Tuner
Tuner to use, if there are several ones.
--v4l-norm {3 (Automatic), 2 (SECAM), 0 (PAL), 1 (NTSC)}
Norm
Norm of the stream (Automatic, SECAM, PAL, or NTSC).
--v4l-frequency <integer> Frequency
Frequency to capture (in kHz), if applicable.
--v4l-audio <integer> Audio Channel
Audio Channel to use, if there are several audio inputs.
--v4l-stereo, --no-v4l-stereo
Stereo (default enabled)
Capture the audio stream in stereo. (default enabled)
--v4l-width <integer> Width
Width of the stream to capture (-1 for autodetect).
--v4l-height <integer> Height
Height of the stream to capture (-1 for autodetect).
--v4l-brightness <integer> Brightness
Brightness of the video input.
--v4l-colour <integer> Color
Color of the video input.
--v4l-hue <integer> Hue
Hue of the video input.
--v4l-contrast <integer> Contrast
Contrast of the video input.
--v4l-mjpeg, --no-v4l-mjpeg
MJPEG (default disabled)
Set this option if the capture device outputs MJPEG (default disabled)
--v4l-decimation <integer> Decimation
Decimation level for MJPEG streams
--v4l-quality <integer> Quality
Quality of the stream.
