V4l: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
Added new options to V4L2 |
||
| Line 34: | Line 34: | ||
* --v4l2-dev ([[string]]) | * --v4l2-dev ([[string]]) | ||
*: Your video device (default /dev/video0) | *: 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]]) | * --v4l2-input ([[integer]]) | ||
*: Input of the card to use | *: Input of the card to use (0 is the default). Usually:- | ||
*:* 0 = tuner | *:* 0 = tuner | ||
*:* 1 = composite | *:* 1 = composite | ||
*:* 2 = svideo | *:* 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.c|access module}} | ||
Revision as of 16:50, 6 October 2007
v4l
??
|
VLC uses this protocol (or access module) to read data from a device or network. |
module options
--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
??
|
VLC uses this protocol (or access module) to read data from a device or network. |
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
- Input of the card to use (0 is the default). Usually:-
- --v4l2-io (string)
- Read method for the video.
- READ = Basic read()
- MMAP = Memory mapped buffer (the default)
- USERPTR = User buffer pointer
- Read method for the video.
- --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
- modules/access/v4l.c (access module)
- modules/access/v4l2.c (access module)