Collaboration diagram for Data types:

Classes
struct	v4l2_capability

struct	v4l2_rect

struct	v4l2_fract

struct	v4l2_selection

struct	v4l2_standard

struct	v4l2_requestbuffers
	parameter of ioctl(VIDIOC_REQBUFS) More...

struct	v4l2_timecode

struct	v4l2_plane

struct	v4l2_buffer
	Parameter of ioctl(VIDIOC_QBUF) and ioctl(VIDIOC_DQBUF). Currently, support only index, type, bytesused, memory, m.userptr, and length. More...

struct	v4l2_fmtdesc
	parameter of ioctl(VIDIOC_ENUM_FMT) More...

struct	v4l2_frmsize_discrete

struct	v4l2_frmsize_stepwise

struct	v4l2_frmsizeenum
	parameter of ioctl(VIDIOC_ENUM_FRAMESIZES) More...

struct	v4l2_frmival_stepwise

struct	v4l2_frmivalenum
	parameter of ioctl(VIDIOC_ENUM_FRAMEINTERVALS) More...

struct	v4l2_pix_format

struct	v4l2_format
	parameter of ioctl(VIDIOC_S_FMT) More...

struct	v4l2_captureparm

struct	v4l2_streamparm
	parameter of ioctl(VIDIOC_S_PARM) More...

struct	v4l2_queryctrl
	parameter of ioctl(VIDIOC_QUERYCTRL) More...

struct	v4l2_query_ext_ctrl
	parameter of ioctl(VIDIOC_QUERY_EXT_CTRL) More...

struct	v4l2_querymenu
	parameter of ioctl(VIDIOC_QUERYMENU) More...

struct	v4l2_input

struct	v4l2_output

struct	v4l2_control
	parameter of ioctl(VIDIOC_G_CTRL / VIDIOC_S_CTRL) More...

struct	v4l2_ext_control

struct	v4l2_ext_controls
	parameter of ioctl(VIDIOC_G_EXT_CTRLS / VIDIOC_S_EXT_CTRLS) More...

struct	v4s_ext_controls_scene
	parameter of ioctl(V4SIOC_S_EXT_CTRLS_SCENE / V4SIOC_G_EXT_CTRLS_SCENE) More...

struct	v4s_query_ext_ctrl_scene
	parameter of ioctl(V4SIOC_QUERY_EXT_CTRL_SCENE) More...

struct	v4s_querymenu_scene
	parameter of ioctl(V4SIOC_QUERYMENU_SCENE) More...

Typedefs
typedef uint64_t	v4l2_std_id

typedef struct v4l2_requestbuffers	v4l2_requestbuffers_t

typedef struct v4l2_timecode	v4l2_timecode_t

typedef struct v4l2_plane	v4l2_plane_t

typedef struct v4l2_buffer	v4l2_buffer_t

typedef struct v4l2_pix_format	v4l2_pix_format_t

typedef struct v4l2_format	v4l2_format_t

Enumerations
enum	v4l2_capabilities { V4L2_CAP_VIDEO_CAPTURE = 0x00000001 , V4L2_CAP_VIDEO_OUTPUT = 0x00000002 , V4L2_CAP_VIDEO_OVERLAY = 0x00000004 , V4L2_CAP_VBI_CAPTURE = 0x00000010 , V4L2_CAP_VBI_OUTPUT = 0x00000020 , V4L2_CAP_SLICED_VBI_CAPTURE = 0x00000040 , V4L2_CAP_SLICED_VBI_OUTPUT = 0x00000080 , V4L2_CAP_RDS_CAPTURE = 0x00000100 , V4L2_CAP_VIDEO_OUTPUT_OVERLAY = 0x00000200 , V4L2_CAP_HW_FREQ_SEEK = 0x00000400 , V4L2_CAP_RDS_OUTPUT = 0x00000800 , V4L2_CAP_VIDEO_CAPTURE_MPLANE = 0x00001000 , V4L2_CAP_VIDEO_OUTPUT_MPLANE = 0x00002000 , V4L2_CAP_VIDEO_M2M_MPLANE = 0x00004000 , V4L2_CAP_VIDEO_M2M = 0x00008000 , V4L2_CAP_TUNER = 0x00010000 , V4L2_CAP_AUDIO = 0x00020000 , V4L2_CAP_RADIO = 0x00040000 , V4L2_CAP_MODULATOR = 0x00080000 , V4L2_CAP_SDR_CAPTURE = 0x00100000 , V4L2_CAP_EXT_PIX_FORMAT = 0x00200000 , V4L2_CAP_SDR_OUTPUT = 0x00400000 , V4L2_CAP_READWRITE = 0x01000000 , V4L2_CAP_ASYNCIO = 0x02000000 , V4L2_CAP_STREAMING = 0x04000000 , V4L2_CAP_TOUCH = 0x10000000 , V4L2_CAP_DEVICE_CAPS = 0x80000000 }

enum	v4l2_buf_type { V4L2_BUF_TYPE_VIDEO_CAPTURE = 1 , V4L2_BUF_TYPE_VIDEO_OUTPUT = 2 , V4L2_BUF_TYPE_VIDEO_OVERLAY = 3 , V4L2_BUF_TYPE_VBI_CAPTURE = 4 , V4L2_BUF_TYPE_VBI_OUTPUT = 5 , V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6 , V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7 , V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8 , V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9 , V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10 , V4L2_BUF_TYPE_SDR_CAPTURE = 11 , V4L2_BUF_TYPE_SDR_OUTPUT = 12 , V4L2_BUF_TYPE_META_CAPTURE = 13 , V4L2_BUF_TYPE_PRIVATE = 0x80 , V4L2_BUF_TYPE_STILL_CAPTURE = 0x81 }

enum	v4l2_memory { V4L2_MEMORY_MMAP = 1 , V4L2_MEMORY_USERPTR = 2 , V4L2_MEMORY_OVERLAY = 3 , V4L2_MEMORY_DMABUF = 4 }

enum	v4l2_field { V4L2_FIELD_ANY = 0 , V4L2_FIELD_NONE = 1 , V4L2_FIELD_TOP = 2 , V4L2_FIELD_BOTTOM = 3 , V4L2_FIELD_INTERLACED = 4 , V4L2_FIELD_SEQ_TB = 5 , V4L2_FIELD_SEQ_BT = 6 , V4L2_FIELD_ALTERNATE = 7 , V4L2_FIELD_INTERLACED_TB = 8 , V4L2_FIELD_INTERLACED_BT = 9 }

enum	v4l2_buf_mode { V4L2_BUF_MODE_RING = 0 , V4L2_BUF_MODE_FIFO = 1 }

enum	v4l2_fmt_flag { V4L2_FMT_FLAG_COMPRESSED = 0x0001 , V4L2_FMT_FLAG_EMULATED = 0x0002 }

enum	v4l2_frmsizetypes { V4L2_FRMSIZE_TYPE_DISCRETE = 1 , V4L2_FRMSIZE_TYPE_CONTINUOUS = 2 , V4L2_FRMSIZE_TYPE_STEPWISE = 3 }

enum	v4l2_frmivaltypes { V4L2_FRMIVAL_TYPE_DISCRETE = 1 , V4L2_FRMIVAL_TYPE_CONTINUOUS = 2 , V4L2_FRMIVAL_TYPE_STEPWISE = 3 }

enum	v4l2_capture_mode { V4L2_MODE_HIGHQUALITY = 0x0001 }

enum	v4l2_capture_capability { V4L2_CAP_TIMEPERFRAME = 0x1000 }

enum	v4l2_ctrl_type { V4L2_CTRL_TYPE_INTEGER = 1 , V4L2_CTRL_TYPE_BOOLEAN = 2 , V4L2_CTRL_TYPE_MENU = 3 , V4L2_CTRL_TYPE_BUTTON = 4 , V4L2_CTRL_TYPE_INTEGER64 = 5 , V4L2_CTRL_TYPE_CTRL_CLASS = 6 , V4L2_CTRL_TYPE_STRING = 7 , V4L2_CTRL_TYPE_BITMASK = 8 , V4L2_CTRL_TYPE_INTEGER_MENU = 9 , V4L2_CTRL_TYPE_U8FIXEDPOINT_Q7 = 10 , V4L2_CTRL_TYPE_U16FIXEDPOINT_Q8 = 11 , V4L2_CTRL_TYPE_INTEGER_TIMES_3 = 12 , V4L2_CTRL_COMPOUND_TYPES = 0x0100 , V4L2_CTRL_TYPE_U8 = 0x0100 , V4L2_CTRL_TYPE_U16 = 0x0101 , V4L2_CTRL_TYPE_U32 = 0x0102 }

enum	v4l2_input_type { V4L2_INPUT_TYPE_TUNER = 1 , V4L2_INPUT_TYPE_CAMERA = 2 , V4L2_INPUT_TYPE_TOUCH = 3 }

enum	v4l2_input_status { V4L2_IN_ST_NO_POWER = 0x00000001 , V4L2_IN_ST_NO_SIGNAL = 0x00000002 , V4L2_IN_ST_NO_COLOR = 0x00000004 , V4L2_IN_ST_HFLIP = 0x00000010 , V4L2_IN_ST_VFLIP = 0x00000020 , V4L2_IN_ST_NO_H_LOCK = 0x00000100 , V4L2_IN_ST_COLOR_KILL = 0x00000200 , V4L2_IN_ST_NO_V_LOCK = 0x00000400 , V4L2_IN_ST_NO_STD_LOCK = 0x00000800 , V4L2_IN_ST_NO_SYNC = 0x00010000 , V4L2_IN_ST_NO_EQU = 0x00020000 , V4L2_IN_ST_NO_CARRIER = 0x00040000 , V4L2_IN_ST_MACROVISION = 0x01000000 , V4L2_IN_ST_NO_ACCESS = 0x02000000 , V4L2_IN_ST_VTR = 0x04000000 }

enum	v4l2_input_capabilities { V4L2_IN_CAP_DV_TIMINGS = 0x00000002 , V4L2_IN_CAP_STD = 0x00000004 , V4L2_IN_CAP_NATIVE_SIZE = 0x00000008 }

enum	v4l2_input_capabilites_compat { V4L2_IN_CAP_CUSTOM_TIMINGS = V4L2_IN_CAP_DV_TIMINGS }

enum	v4l2_output_type { V4L2_OUTPUT_TYPE_MODULATOR = 1 , V4L2_OUTPUT_TYPE_ANALOG = 2 , V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY = 3 }

enum	v4l2_output_capabilities { V4L2_OUT_CAP_DV_TIMINGS = 0x00000002 , V4L2_OUT_CAP_STD = 0x00000004 , V4L2_OUT_CAP_NATIVE_SIZE = 0x00000008 }

enum	v4l2_output_capabilites_compat { V4L2_OUT_CAP_CUSTOM_TIMINGS = V4L2_OUT_CAP_DV_TIMINGS }

Detailed Description

Enumeration Type Documentation

◆ v4l2_buf_type

enum v4l2_buf_type

Buffer type. Currently, support only V4L2_BUF_TYPE_VIDEO_CAPTURE and V4L2_BUF_TYPE_STILL_CAPTURE.

Enumerator
V4L2_BUF_TYPE_VIDEO_CAPTURE	Single-planar video capture stream
V4L2_BUF_TYPE_VIDEO_OUTPUT	Single-planar video output stream
V4L2_BUF_TYPE_VIDEO_OVERLAY	Video overlay
V4L2_BUF_TYPE_VBI_CAPTURE	Raw VBI capture stream
V4L2_BUF_TYPE_VBI_OUTPUT	Raw VBI output stream
V4L2_BUF_TYPE_SLICED_VBI_CAPTURE	Sliced VBI capture stream
V4L2_BUF_TYPE_SLICED_VBI_OUTPUT	Sliced VBI output stream
V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	Video output overlay
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE	Multi-planar video capture stream
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE	Multi-planar video output stream
V4L2_BUF_TYPE_SDR_CAPTURE	Software Defined Radio capture stream
V4L2_BUF_TYPE_SDR_OUTPUT	Software Defined Radio output stream
V4L2_BUF_TYPE_META_CAPTURE	Metadata capture
V4L2_BUF_TYPE_PRIVATE	Deprecated, do not use
V4L2_BUF_TYPE_STILL_CAPTURE	Single-planar still capture stream

◆ v4l2_memory

enum v4l2_memory

Memory I/O method. Currently, support only V4L2_MEMORY_USERPTR.

Enumerator
V4L2_MEMORY_MMAP	Memory mapping I/O
V4L2_MEMORY_USERPTR	User pointer I/O
V4L2_MEMORY_OVERLAY	Overlay I/O
V4L2_MEMORY_DMABUF	DMA shared buffer I/O

◆ v4l2_field

enum v4l2_field

Field order. Currently, support only V4L2_FIELD_ANY

Enumerator
V4L2_FIELD_ANY	Driver can choose from none,
V4L2_FIELD_NONE	This device has no fields ...
V4L2_FIELD_TOP	Top field only
V4L2_FIELD_BOTTOM	Bottom field only
V4L2_FIELD_INTERLACED	Both fields interlaced
V4L2_FIELD_SEQ_TB	Both fields sequential into one
V4L2_FIELD_SEQ_BT	Same as above + bottom-top order
V4L2_FIELD_ALTERNATE	Both fields alternating into
V4L2_FIELD_INTERLACED_TB	Both fields interlaced, top field
V4L2_FIELD_INTERLACED_BT	Both fields interlaced, top field

◆ v4l2_buf_mode

enum v4l2_buf_mode

Buffer mode

Enumerator
V4L2_BUF_MODE_RING	Ring structure
V4L2_BUF_MODE_FIFO	FIFO structure

◆ v4l2_frmivaltypes

enum v4l2_frmivaltypes

Type of frame interval enumeration

Enumerator
V4L2_FRMIVAL_TYPE_DISCRETE	Discrete value
V4L2_FRMIVAL_TYPE_CONTINUOUS	Continuous value
V4L2_FRMIVAL_TYPE_STEPWISE	Step value

◆ v4l2_ctrl_type

enum v4l2_ctrl_type

Control type.

Enumerator
V4L2_CTRL_TYPE_INTEGER	Integer(32bit)
V4L2_CTRL_TYPE_BOOLEAN	Boolean
V4L2_CTRL_TYPE_MENU	Menu
V4L2_CTRL_TYPE_BUTTON	Button
V4L2_CTRL_TYPE_INTEGER64	Integer(64bit)
V4L2_CTRL_TYPE_CTRL_CLASS	Control Class
V4L2_CTRL_TYPE_STRING	String
V4L2_CTRL_TYPE_BITMASK	Bitmask
V4L2_CTRL_TYPE_INTEGER_MENU	Integer menu
V4L2_CTRL_TYPE_U8FIXEDPOINT_Q7	8bit fixed point number(Q7)
V4L2_CTRL_TYPE_U16FIXEDPOINT_Q8	16bit fixed point number(Q8)
V4L2_CTRL_TYPE_INTEGER_TIMES_3	Integer times 3
V4L2_CTRL_COMPOUND_TYPES	Compound type
V4L2_CTRL_TYPE_U8	uint8_t array
V4L2_CTRL_TYPE_U16	uint16_t array
V4L2_CTRL_TYPE_U32	uint32_t array

Classes

Typedefs

Enumerations