V4l: Difference between revisions

From VideoLAN Wiki
Jump to navigation Jump to search
Hovis (talk | contribs)
Added new options to V4L2
m Change template parameters (per revision 60997)
 
(11 intermediate revisions by 4 users not shown)
Line 1: Line 1:
V4l is no longer current. Use v4l2 instead.
== v4l ==
== v4l ==
{{protocol|id=v4l}}
{{protocol|V4L}}


=== module options ===
See [[Documentation:Modules/v4l]].
      --v4l-caching <integer>    Caching value in ms
      --v4l-vdev <string>        Video device name
      --v4l-adev <string>        Audio device name
      --v4l-chroma <string>      Video input chroma format
      --v4l-fps <float>          Framerate
      --v4l-samplerate <integer> Samplerate
      --v4l-channel <integer>    Channel
      --v4l-tuner <integer>      Tuner
      --v4l-norm {3 (Automatic), 2 (SECAM), 0 (PAL), 1 (NTSC)}
                                Norm
      --v4l-frequency <integer>  Frequency
      --v4l-audio <integer>      Audio Channel
      --v4l-stereo, --no-v4l-stereo
                                Stereo (default enabled)
      --v4l-width <integer>      Width
      --v4l-height <integer>    Height
      --v4l-brightness <integer> Brightness
      --v4l-colour <integer>    Color
      --v4l-hue <integer>        Hue
      --v4l-contrast <integer>  Contrast
      --v4l-mjpeg, --no-v4l-mjpeg
                                MJPEG (default disabled)
      --v4l-decimation <integer> Decimation
      --v4l-quality <integer>    Quality


== v4l2 ==
== v4l2 ==
{{protocol|id=v4l2}}
{{protocol|V4L2}}
 
See [[Documentation:Modules/v4l2]].


=== module options ===
* --v4l2-dev ([[string]])
*: Your video device (default /dev/video0)
* --v4l2-adev ([[string]])
*: Your audio device (default /dev/dsp)
* --v4l2-standard ([[string]])
*:* Default
*:* SECAM
*:* PAL
*:* NTSC
* --v4l2-chroma ([[string]])
*: Video input chroma format. The default is to auto detect.
* --v4l2-input ([[integer]])
*: Input of the card to use (0 is the default).  Usually:-
*:* 0 = tuner
*:* 1 = composite
*:* 2 = svideo
* --v4l2-io ([[string]])
*: Read method for the video.
*:* READ = Basic read()
*:* MMAP = Memory mapped buffer (the default)
*:* USERPTR = User buffer pointer
* --v4l2-fps ([[float]])
*: Framerate per second (0 = Unrestricted - the default)
* --v4l2-stereo ([[bool]])
*: Stereo audio (default true)
* --v4l2-samplerate ([[integer]])
*: Audio sample rate (default 48000)
* --v4l2-caching ([[integer]])
*: Caching value in ms
== Source code ==
== Source code ==
{{file|modules/access/v4l.c|access module}}
{{file|modules/access/v4l.c|access module}}
{{file|modules/access/v4l2.c|access module}}
{{file|modules/access/v4l2/v4l2.c|access module}}

Latest revision as of 04:36, 19 April 2019

V4l is no longer current. Use v4l2 instead.

v4l

V4L
VLC uses this protocol (or access module) to read data from a device or network.
This protocol is handled by the v4l module.

See Documentation:Modules/v4l.

v4l2

V4L2
VLC uses this protocol (or access module) to read data from a device or network.
This protocol is handled by the v4l2 module.

See Documentation:Modules/v4l2.

Source code