zbar::Video Class Reference

mid-level video source abstraction. More...

List of all members.

Public Member Functions
	Video (zbar_video_t *video=NULL)
	constructor.
	Video (std::string &device)
	constructor.
	operator zbar_video_t * () const
	cast to C video object.
void	open (std::string &device)
	open and probe a video device.
void	close ()
	close video device if open.
void	init (unsigned long fourcc)
	initialize video using a specific format for debug.
void	init (std::string &format)
	initialize video using a specific format for debug.
int	get_fd ()
	retrieve file descriptor associated with open *nix video device.
int	get_width ()
	retrieve current output image width.
int	get_height ()
	retrieve current output image height.
void	enable (bool enable=true)
	start/stop video capture.
Image	next_image ()
	retrieve next captured image.
void	request_size (int width, int height)
	request a preferred size for the video image from the device.
void	request_interface (int version)
	request a preferred driver interface version for debug/testing.
void	request_iomode (int iomode)
	request a preferred I/O mode for debug/testing.

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Detailed Description

mid-level video source abstraction.

captures images from a video device

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Member Function Documentation

void zbar::Video::init

(

unsigned long

fourcc

)

[inline]

initialize video using a specific format for debug.

see zbar_video_init()

void zbar::Video::init

(

std::string &

format

)

[inline]

initialize video using a specific format for debug.

see zbar_video_init()

int zbar::Video::get_fd

(

)

[inline]

retrieve file descriptor associated with open *nix video device.

see zbar_video_get_fd()

int zbar::Video::get_width

(

)

[inline]

retrieve current output image width.

see zbar_video_get_width()

int zbar::Video::get_height

(

)

[inline]

retrieve current output image height.

see zbar_video_get_height()

void zbar::Video::enable

(

bool

enable = true

)

[inline]

start/stop video capture.

see zbar_video_enable()

Image zbar::Video::next_image

(

)

[inline]

retrieve next captured image.

see zbar_video_next_image()

void zbar::Video::request_size	(	int	width,
		int	height
	)			[inline]

request a preferred size for the video image from the device.

see zbar_video_request_size()

Since:

0.6

void zbar::Video::request_interface

(

int

version

)

[inline]

request a preferred driver interface version for debug/testing.

see zbar_video_request_interface()

Since:

0.6

void zbar::Video::request_iomode

(

int

iomode

)

[inline]

request a preferred I/O mode for debug/testing.

see zbar_video_request_iomode()

Since:

0.7

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

• include/zbar/Video.h