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2026-11-04T23:42:23Z
User contributions
MediaWiki 1.43.11
https://wiki.videolan.org/index.php?title=V4l&diff=10275
V4l
2007-12-02T19:53:22Z
<p>Hovis: added reset option</p>
<hr />
<div>== v4l ==<br />
{{protocol|id=v4l}}<br />
<br />
=== module options ===<br />
--v4l-caching <integer> Caching value in ms<br />
--v4l-vdev <string> Video device name<br />
--v4l-adev <string> Audio device name<br />
--v4l-chroma <string> Video input chroma format<br />
--v4l-fps <float> Framerate<br />
--v4l-samplerate <integer> Samplerate<br />
--v4l-channel <integer> Channel<br />
--v4l-tuner <integer> Tuner<br />
--v4l-norm {3 (Automatic), 2 (SECAM), 0 (PAL), 1 (NTSC)}<br />
Norm<br />
--v4l-frequency <integer> Frequency<br />
--v4l-audio <integer> Audio Channel<br />
--v4l-stereo, --no-v4l-stereo<br />
Stereo (default enabled)<br />
--v4l-width <integer> Width<br />
--v4l-height <integer> Height<br />
--v4l-brightness <integer> Brightness<br />
--v4l-colour <integer> Color<br />
--v4l-hue <integer> Hue<br />
--v4l-contrast <integer> Contrast<br />
--v4l-mjpeg, --no-v4l-mjpeg<br />
MJPEG (default disabled)<br />
--v4l-decimation <integer> Decimation<br />
--v4l-quality <integer> Quality<br />
<br />
== v4l2 ==<br />
{{protocol|id=v4l2}}<br />
<br />
=== module options ===<br />
--v4l2-dev <string> Video device name (default /dev/video0)<br />
--v4l2-adev <string> Audio device name (default /dev/dsp)<br />
--v4l2-standard <string> Default, SECAM, PAL, NTSC<br />
--v4l2-chroma <string> Video input chroma format. The default is to auto detect.<br />
--v4l2-input <integer> Input of the card to use (0 is the default).<br />
Usually:<br />
* 0=tuner<br />
* 1=composite<br />
* 2=svideo<br />
--v4l2-io <string> Read method for the video.<br />
* READ = Basic read()<br />
* MMAP = Memory mapped buffer (the default)<br />
* USERPTR = User buffer pointer<br />
--v4l2-fps <float> Frame rate per second (0 = Unrestricted - the default)<br />
--v4l2-width <integer> Try picture width (-1 = auto detect)<br />
--v4l2-height <integer> Try picture height (-1 = auto detect)<br />
--v4l2-brightness <integer> Brightness<br />
--v4l2-contrast <integer> Contrast<br />
--v4l2-saturation <integer> Saturation<br />
--v4l2-hue <integer> Hue<br />
--v4l2-gamma <integer> Gamma<br />
--v4l2-stereo <bool> Stereo audio (default true)<br />
--v4l2-samplerate <integer> Audio sample rate (default 48000)<br />
--v4l2-caching <integer> Caching value in ms<br />
--v4l2-videocontrol-reset Reset control values to the device defaults<br />
<br />
== Source code ==<br />
{{file|modules/access/v4l.c|access module}}<br />
{{file|modules/access/v4l2.c|access module}}</div>
Hovis
https://wiki.videolan.org/index.php?title=V4l&diff=10274
V4l
2007-12-02T19:16:57Z
<p>Hovis: added gamma</p>
<hr />
<div>== v4l ==<br />
{{protocol|id=v4l}}<br />
<br />
=== module options ===<br />
--v4l-caching <integer> Caching value in ms<br />
--v4l-vdev <string> Video device name<br />
--v4l-adev <string> Audio device name<br />
--v4l-chroma <string> Video input chroma format<br />
--v4l-fps <float> Framerate<br />
--v4l-samplerate <integer> Samplerate<br />
--v4l-channel <integer> Channel<br />
--v4l-tuner <integer> Tuner<br />
--v4l-norm {3 (Automatic), 2 (SECAM), 0 (PAL), 1 (NTSC)}<br />
Norm<br />
--v4l-frequency <integer> Frequency<br />
--v4l-audio <integer> Audio Channel<br />
--v4l-stereo, --no-v4l-stereo<br />
Stereo (default enabled)<br />
--v4l-width <integer> Width<br />
--v4l-height <integer> Height<br />
--v4l-brightness <integer> Brightness<br />
--v4l-colour <integer> Color<br />
--v4l-hue <integer> Hue<br />
--v4l-contrast <integer> Contrast<br />
--v4l-mjpeg, --no-v4l-mjpeg<br />
MJPEG (default disabled)<br />
--v4l-decimation <integer> Decimation<br />
--v4l-quality <integer> Quality<br />
<br />
== v4l2 ==<br />
{{protocol|id=v4l2}}<br />
<br />
=== module options ===<br />
--v4l2-dev <string> Video device name (default /dev/video0)<br />
--v4l2-adev <string> Audio device name (default /dev/dsp)<br />
--v4l2-standard <string> Default, SECAM, PAL, NTSC<br />
--v4l2-chroma <string> Video input chroma format. The default is to auto detect.<br />
--v4l2-input <integer> Input of the card to use (0 is the default).<br />
Usually:<br />
* 0=tuner<br />
* 1=composite<br />
* 2=svideo<br />
--v4l2-io <string> Read method for the video.<br />
* READ = Basic read()<br />
* MMAP = Memory mapped buffer (the default)<br />
* USERPTR = User buffer pointer<br />
--v4l2-fps <float> Frame rate per second (0 = Unrestricted - the default)<br />
--v4l2-width <integer> Try picture width (-1 = auto detect)<br />
--v4l2-height <integer> Try picture height (-1 = auto detect)<br />
--v4l2-brightness <integer> Brightness<br />
--v4l2-contrast <integer> Contrast<br />
--v4l2-saturation <integer> Saturation<br />
--v4l2-hue <integer> Hue<br />
--v4l2-gamma <integer> Gamma<br />
--v4l2-stereo <bool> Stereo audio (default true)<br />
--v4l2-samplerate <integer> Audio sample rate (default 48000)<br />
--v4l2-caching <integer> Caching value in ms<br />
<br />
== Source code ==<br />
{{file|modules/access/v4l.c|access module}}<br />
{{file|modules/access/v4l2.c|access module}}</div>
Hovis
https://wiki.videolan.org/index.php?title=V4l&diff=10251
V4l
2007-11-27T17:17:23Z
<p>Hovis: Added display options to v4l2</p>
<hr />
<div>== v4l ==<br />
{{protocol|id=v4l}}<br />
<br />
=== module options ===<br />
--v4l-caching <integer> Caching value in ms<br />
--v4l-vdev <string> Video device name<br />
--v4l-adev <string> Audio device name<br />
--v4l-chroma <string> Video input chroma format<br />
--v4l-fps <float> Framerate<br />
--v4l-samplerate <integer> Samplerate<br />
--v4l-channel <integer> Channel<br />
--v4l-tuner <integer> Tuner<br />
--v4l-norm {3 (Automatic), 2 (SECAM), 0 (PAL), 1 (NTSC)}<br />
Norm<br />
--v4l-frequency <integer> Frequency<br />
--v4l-audio <integer> Audio Channel<br />
--v4l-stereo, --no-v4l-stereo<br />
Stereo (default enabled)<br />
--v4l-width <integer> Width<br />
--v4l-height <integer> Height<br />
--v4l-brightness <integer> Brightness<br />
--v4l-colour <integer> Color<br />
--v4l-hue <integer> Hue<br />
--v4l-contrast <integer> Contrast<br />
--v4l-mjpeg, --no-v4l-mjpeg<br />
MJPEG (default disabled)<br />
--v4l-decimation <integer> Decimation<br />
--v4l-quality <integer> Quality<br />
<br />
== v4l2 ==<br />
{{protocol|id=v4l2}}<br />
<br />
=== module options ===<br />
--v4l2-dev <string> Video device name (default /dev/video0)<br />
--v4l2-adev <string> Audio device name (default /dev/dsp)<br />
--v4l2-standard <string> Default, SECAM, PAL, NTSC<br />
--v4l2-chroma <string> Video input chroma format. The default is to auto detect.<br />
--v4l2-input <integer> Input of the card to use (0 is the default).<br />
Usually:<br />
* 0=tuner<br />
* 1=composite<br />
* 2=svideo<br />
--v4l2-io <string> Read method for the video.<br />
* READ = Basic read()<br />
* MMAP = Memory mapped buffer (the default)<br />
* USERPTR = User buffer pointer<br />
--v4l2-fps <float> Frame rate per second (0 = Unrestricted - the default)<br />
--v4l2-width <integer> Try picture width (-1 = auto detect)<br />
--v4l2-height <integer> Try picture height (-1 = auto detect)<br />
--v4l2-brightness <integer> Brightness<br />
--v4l2-contrast <integer> Contrast<br />
--v4l2-saturation <integer> Saturation<br />
--v4l2-hue <integer> Hue<br />
--v4l2-stereo <bool> Stereo audio (default true)<br />
--v4l2-samplerate <integer> Audio sample rate (default 48000)<br />
--v4l2-caching <integer> Caching value in ms<br />
<br />
== Source code ==<br />
{{file|modules/access/v4l.c|access module}}<br />
{{file|modules/access/v4l2.c|access module}}</div>
Hovis
https://wiki.videolan.org/index.php?title=V4l&diff=10240
V4l
2007-11-20T19:55:40Z
<p>Hovis: Added width and height options to v4l2</p>
<hr />
<div>== v4l ==<br />
{{protocol|id=v4l}}<br />
<br />
=== module options ===<br />
--v4l-caching <integer> Caching value in ms<br />
--v4l-vdev <string> Video device name<br />
--v4l-adev <string> Audio device name<br />
--v4l-chroma <string> Video input chroma format<br />
--v4l-fps <float> Framerate<br />
--v4l-samplerate <integer> Samplerate<br />
--v4l-channel <integer> Channel<br />
--v4l-tuner <integer> Tuner<br />
--v4l-norm {3 (Automatic), 2 (SECAM), 0 (PAL), 1 (NTSC)}<br />
Norm<br />
--v4l-frequency <integer> Frequency<br />
--v4l-audio <integer> Audio Channel<br />
--v4l-stereo, --no-v4l-stereo<br />
Stereo (default enabled)<br />
--v4l-width <integer> Width<br />
--v4l-height <integer> Height<br />
--v4l-brightness <integer> Brightness<br />
--v4l-colour <integer> Color<br />
--v4l-hue <integer> Hue<br />
--v4l-contrast <integer> Contrast<br />
--v4l-mjpeg, --no-v4l-mjpeg<br />
MJPEG (default disabled)<br />
--v4l-decimation <integer> Decimation<br />
--v4l-quality <integer> Quality<br />
<br />
== v4l2 ==<br />
{{protocol|id=v4l2}}<br />
<br />
=== module options ===<br />
--v4l2-dev <string> Video device name (default /dev/video0)<br />
--v4l2-adev <string> Audio device name (default /dev/dsp)<br />
--v4l2-standard <string> Default, SECAM, PAL, NTSC<br />
--v4l2-chroma <string> Video input chroma format. The default is to auto detect.<br />
--v4l2-input <integer> Input of the card to use (0 is the default).<br />
Usually:<br />
* 0=tuner<br />
* 1=composite<br />
* 2=svideo<br />
--v4l2-io <string> Read method for the video.<br />
* READ = Basic read()<br />
* MMAP = Memory mapped buffer (the default)<br />
* USERPTR = User buffer pointer<br />
--v4l2-fps <float> Frame rate per second (0 = Unrestricted - the default)<br />
--v4l2-width <integer> Try picture width (-1 = auto detect)<br />
--v4l2-height <integer> Try picture height (-1 = auto detect)<br />
--v4l2-stereo <bool> Stereo audio (default true)<br />
--v4l2-samplerate <integer> Audio sample rate (default 48000)<br />
--v4l2-caching <integer> Caching value in ms<br />
<br />
== Source code ==<br />
{{file|modules/access/v4l.c|access module}}<br />
{{file|modules/access/v4l2.c|access module}}</div>
Hovis
https://wiki.videolan.org/index.php?title=V4l&diff=10021
V4l
2007-10-06T16:50:09Z
<p>Hovis: Added new options to V4L2</p>
<hr />
<div>== v4l ==<br />
{{protocol|id=v4l}}<br />
<br />
=== module options ===<br />
--v4l-caching <integer> Caching value in ms<br />
--v4l-vdev <string> Video device name<br />
--v4l-adev <string> Audio device name<br />
--v4l-chroma <string> Video input chroma format<br />
--v4l-fps <float> Framerate<br />
--v4l-samplerate <integer> Samplerate<br />
--v4l-channel <integer> Channel<br />
--v4l-tuner <integer> Tuner<br />
--v4l-norm {3 (Automatic), 2 (SECAM), 0 (PAL), 1 (NTSC)}<br />
Norm<br />
--v4l-frequency <integer> Frequency<br />
--v4l-audio <integer> Audio Channel<br />
--v4l-stereo, --no-v4l-stereo<br />
Stereo (default enabled)<br />
--v4l-width <integer> Width<br />
--v4l-height <integer> Height<br />
--v4l-brightness <integer> Brightness<br />
--v4l-colour <integer> Color<br />
--v4l-hue <integer> Hue<br />
--v4l-contrast <integer> Contrast<br />
--v4l-mjpeg, --no-v4l-mjpeg<br />
MJPEG (default disabled)<br />
--v4l-decimation <integer> Decimation<br />
--v4l-quality <integer> Quality<br />
<br />
== v4l2 ==<br />
{{protocol|id=v4l2}}<br />
<br />
=== module options ===<br />
* --v4l2-dev ([[string]])<br />
*: Your video device (default /dev/video0)<br />
* --v4l2-adev ([[string]])<br />
*: Your audio device (default /dev/dsp)<br />
* --v4l2-standard ([[string]])<br />
*:* Default<br />
*:* SECAM<br />
*:* PAL<br />
*:* NTSC<br />
* --v4l2-chroma ([[string]])<br />
*: Video input chroma format. The default is to auto detect.<br />
* --v4l2-input ([[integer]])<br />
*: Input of the card to use (0 is the default). Usually:-<br />
*:* 0 = tuner<br />
*:* 1 = composite<br />
*:* 2 = svideo<br />
* --v4l2-io ([[string]])<br />
*: Read method for the video.<br />
*:* READ = Basic read()<br />
*:* MMAP = Memory mapped buffer (the default)<br />
*:* USERPTR = User buffer pointer<br />
* --v4l2-fps ([[float]])<br />
*: Framerate per second (0 = Unrestricted - the default)<br />
* --v4l2-stereo ([[bool]])<br />
*: Stereo audio (default true)<br />
* --v4l2-samplerate ([[integer]])<br />
*: Audio sample rate (default 48000)<br />
* --v4l2-caching ([[integer]])<br />
*: Caching value in ms<br />
== Source code ==<br />
{{file|modules/access/v4l.c|access module}}<br />
{{file|modules/access/v4l2.c|access module}}</div>
Hovis