Video4linux
| Development status | Active |
|---|---|
| Written in | C |
| Operating system | Linux |
| Platform | Linux kernel |
| License | GNU General Public License |
| Website | www |
Video4Linux, V4L for short, is a collection of device drivers and an API for supporting realtime video capture on Linux systems. It supports many USB webcams, TV tuners, and related devices, standardizing their output, so programmers can easily add video support to their applications. MythTV, tvtime and TVHeadend are typical applications that use the V4L framework.
Video4Linux was named after Video for Windows (which is sometimes abbreviated "V4W"), but is not technically related to it.
While Video4Linux is only available on Linux, there is a compatibility layer available for FreeBSD called Video4BSD. This provides a way for many programs that depend on V4L to also compile and run on the FreeBSD operating system.
V4L had been introduced late into the 2.1.X development cycle of the Linux kernel. V4L1 support was dropped in kernel 2.6.38.
Some programs support V4L2 through the media resource locator v4l2://.
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