video_data Struct Reference

Data Fields
AVClass *	class
int	fd
int	pixelformat
int	width
int	height
int	frame_size
int	interlaced
int	top_field_first
int	ts_mode
TimeFilter *	timefilter
int64_t	last_time_m
int	buffers
atomic_int	buffers_queued
void **	buf_start
unsigned int *	buf_len
char *	standard
v4l2_std_id	std_id
int	channel
char *	pixel_format
	Set by a private option. More...
int	list_format
	Set by a private option. More...
int	list_standard
	Set by a private option. More...
char *	framerate
	Set by a private option. More...
int	use_libv4l2
int(*	open_f )(const char *file, int oflag,...)
int(*	close_f )(int fd)
int(*	dup_f )(int fd)
int(*	ioctl_f )(int fd, unsigned long int request,...)
ssize_t(*	read_f )(int fd, void *buffer, size_t n)
void *(*	mmap_f )(void *start, size_t length, int prot, int flags, int fd, int64_t offset)
int(*	munmap_f )(void *_start, size_t length)

Detailed Description

Definition at line 70 of file v4l2.c.

Field Documentation

class

AVClass* video_data::class

Definition at line 71 of file v4l2.c.

fd

int video_data::fd

Definition at line 72 of file v4l2.c.

Referenced by device_init(), device_open(), enqueue_buffer(), first_field(), list_formats(), list_standards(), mmap_close(), mmap_init(), mmap_read_frame(), mmap_start(), v4l2_get_device_list(), v4l2_read_close(), v4l2_read_header(), and v4l2_set_parameters().

pixelformat

int video_data::pixelformat

Definition at line 73 of file v4l2.c.

Referenced by device_init(), first_field(), and v4l2_read_header().

width

int video_data::width

Definition at line 74 of file v4l2.c.

Referenced by device_init(), and v4l2_read_header().

height

int video_data::height

Definition at line 74 of file v4l2.c.

Referenced by device_init(), and v4l2_read_header().

frame_size

int video_data::frame_size

Definition at line 75 of file v4l2.c.

Referenced by mmap_init(), mmap_read_frame(), and v4l2_read_header().

interlaced

int video_data::interlaced

Definition at line 76 of file v4l2.c.

Referenced by device_init(), and v4l2_read_packet().

top_field_first

int video_data::top_field_first

Definition at line 77 of file v4l2.c.

Referenced by v4l2_read_header(), and v4l2_read_packet().

ts_mode

int video_data::ts_mode

Definition at line 78 of file v4l2.c.

Referenced by convert_timestamp(), and init_convert_timestamp().

timefilter

TimeFilter* video_data::timefilter

Definition at line 79 of file v4l2.c.

Referenced by convert_timestamp(), and init_convert_timestamp().

last_time_m

int64_t video_data::last_time_m

Definition at line 80 of file v4l2.c.

Referenced by convert_timestamp().

buffers

int video_data::buffers

Definition at line 82 of file v4l2.c.

Referenced by mmap_close(), mmap_init(), mmap_read_frame(), mmap_start(), and v4l2_read_close().

buffers_queued

atomic_int video_data::buffers_queued

Definition at line 83 of file v4l2.c.

Referenced by enqueue_buffer(), mmap_read_frame(), mmap_start(), and v4l2_read_close().

buf_start

void** video_data::buf_start

Definition at line 84 of file v4l2.c.

Referenced by mmap_close(), mmap_init(), and mmap_read_frame().

buf_len

unsigned int* video_data::buf_len

Definition at line 85 of file v4l2.c.

Referenced by mmap_close(), and mmap_init().

standard

char* video_data::standard

Definition at line 86 of file v4l2.c.

Referenced by v4l2_set_parameters().

std_id

v4l2_std_id video_data::std_id

Definition at line 87 of file v4l2.c.

Referenced by list_standards(), v4l2_read_header(), and v4l2_set_parameters().

channel

int video_data::channel

Definition at line 88 of file v4l2.c.

Referenced by v4l2_read_header().

pixel_format

char* video_data::pixel_format

Set by a private option.

Definition at line 89 of file v4l2.c.

Referenced by v4l2_read_header().

list_format

int video_data::list_format

Set by a private option.

Definition at line 90 of file v4l2.c.

Referenced by v4l2_read_header().

list_standard

int video_data::list_standard

Set by a private option.

Definition at line 91 of file v4l2.c.

Referenced by v4l2_read_header().

framerate

char* video_data::framerate

Set by a private option.

Definition at line 92 of file v4l2.c.

Referenced by v4l2_set_parameters().

use_libv4l2

int video_data::use_libv4l2

Definition at line 94 of file v4l2.c.

Referenced by device_open(), and v4l2_read_header().

open_f

int(* video_data::open_f) (const char *file, int oflag,...)

Definition at line 95 of file v4l2.c.

close_f

int(* video_data::close_f) (int fd)

Definition at line 96 of file v4l2.c.

dup_f

int(* video_data::dup_f) (int fd)

Definition at line 97 of file v4l2.c.

ioctl_f

int(* video_data::ioctl_f) (int fd, unsigned long int request,...)

Definition at line 98 of file v4l2.c.

read_f

ssize_t(* video_data::read_f) (int fd, void *buffer, size_t n)

Definition at line 99 of file v4l2.c.

mmap_f

void*(* video_data::mmap_f) (void *start, size_t length, int prot, int flags, int fd, int64_t offset)

Definition at line 100 of file v4l2.c.

munmap_f

int(* video_data::munmap_f) (void *_start, size_t length)

Definition at line 101 of file v4l2.c.

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The documentation for this struct was generated from the following file:

• libavdevice/v4l2.c