Module v4l2 

V4L2 (Video for Linux 2) Device Interface

Provides a kernel-side V4L2-compatible device interface for video capture devices (webcams, capture cards). Implements the standard V4L2 ioctl commands and a test pattern generator.

All color math uses integer-only operations (no floating point).

Structs

V4l2Buffer

V4L2 buffer descriptor

V4l2Capability

V4L2 device capabilities

V4l2Device

V4L2 device instance

V4l2FmtDesc

V4L2 format description (for enumeration)

V4l2PixFormat

V4L2 pixel format descriptor

Enums

V4l2BufState

V4L2 buffer state

Functions

v4l2_global_ioctl

Process a V4L2 ioctl on the global device

v4l2_init

Initialize the V4L2 subsystem

v4l2_ioctl

Process a V4L2 ioctl command