V4L2_Base Class Reference

#include <v4l2_base.h>

List of all members.

Classes
struct	buffer
Public Types
enum	io_method { IO_METHOD_READ, IO_METHOD_MMAP, IO_METHOD_USERPTR }
Public Member Functions
void	allocBuffers ()
void	callFrame (void *p)
virtual int	connectCam (const char *devpath, char *errmsg, int pixelFormat=V4L2_PIX_FMT_YUYV, int width=160, int height=120)
virtual void	disconnectCam ()
void	enumerate_ctrl (void)
void	enumerate_menu (void)
int	getBrightness ()
int	getColor ()
unsigned char *	getColorBuffer ()
int	getContrast ()
char *	getDeviceName ()
int	getFPS ()
int	getHeight ()
int	getHue ()
virtual void	getMaxMinSize (int &x_max, int &y_max, int &x_min, int &y_min)
void	getPictureSettings ()
unsigned char *	getU ()
unsigned char *	getV ()
int	getWhiteness ()
int	getWidth ()
unsigned char *	getY ()
int	query_ctrl (unsigned int ctrl_id, double &ctrl_min, double &ctrl_max, double &ctrl_step, double &ctrl_value, char *errmsg)
int	queryINTControls (INumberVectorProperty *nvp)
void	registerCallback (WPF *fp, void *ud)
void	setBrightness (int val)
void	setColor (int val)
void	setContrast (int val)
void	setFPS (int fps)
void	setHue (int val)
int	setINTControl (unsigned int ctrl_id, double new_value, char *errmsg)
void	setPictureSettings ()
virtual int	setSize (int x, int y)
void	setWhiteness (int val)
int	start_capturing (char *errmsg)
int	stop_capturing (char *errmsg)
	V4L2_Base ()
virtual	~V4L2_Base ()
Static Public Member Functions
static void	newFrame (int fd, void *p)
Protected Member Functions
void	close_device (void)
int	errno_exit (const char *s, char *errmsg)
void	findMinMax ()
int	init_device (char *errmsg, int pixelFormat, int width, int height)
int	init_mmap (char *errmsg)
void	init_read (unsigned int buffer_size)
void	init_userp (unsigned int buffer_size)
int	open_device (const char *devpath, char *errmsg)
int	read_frame (char *errsg)
int	uninit_device (char *errmsg)
int	xioctl (int fd, int request, void *arg)
Protected Attributes
struct buffer *	buffers
WPF *	callback
struct v4l2_capability	cap
unsigned char *	colorBuffer
struct v4l2_crop	crop
struct v4l2_cropcap	cropcap
char	dev_name [64]
bool	dropFrame
int	fd
struct v4l2_format	fmt
int	frameRate
io_method	io
unsigned int	n_buffers
struct v4l2_queryctrl	queryctrl
struct v4l2_querymenu	querymenu
unsigned char *	rgb24_buffer
int	selectCallBackID
unsigned char *	UBuf
void *	uptr
unsigned char *	VBuf
int	xmax
int	xmin
unsigned char *	YBuf
int	ymax
int	ymin

---

Detailed Description

Definition at line 34 of file v4l2_base.h.

---

Member Enumeration Documentation

enum V4L2_Base::io_method

Enumerator:

IO_METHOD_READ
IO_METHOD_MMAP
IO_METHOD_USERPTR

Definition at line 40 of file v4l2_base.h.

---

Constructor & Destructor Documentation

V4L2_Base::V4L2_Base

(

)

Definition at line 48 of file v4l2_base.cpp.

V4L2_Base::~V4L2_Base

(

)

[virtual]

Definition at line 71 of file v4l2_base.cpp.

---

Member Function Documentation

void V4L2_Base::allocBuffers

(

)

Definition at line 731 of file v4l2_base.cpp.

void V4L2_Base::callFrame

(

void *

p

)

void V4L2_Base::close_device

(

void

)

[protected]

Definition at line 659 of file v4l2_base.cpp.

int V4L2_Base::connectCam	(	const char *	devpath,
		char *	errmsg,
		int	pixelFormat = V4L2_PIX_FMT_YUYV,
		int	width = 160,
		int	height = 120
	)			[virtual]

Definition at line 102 of file v4l2_base.cpp.

void V4L2_Base::disconnectCam

(

)

[virtual]

Definition at line 118 of file v4l2_base.cpp.

void V4L2_Base::enumerate_ctrl

(

void

)

Definition at line 949 of file v4l2_base.cpp.

void V4L2_Base::enumerate_menu

(

void

)

Definition at line 1000 of file v4l2_base.cpp.

int V4L2_Base::errno_exit	(	const char *	s,
		char *	errmsg
	)			[protected]

Definition at line 92 of file v4l2_base.cpp.

void V4L2_Base::findMinMax

(

)

[protected]

Definition at line 910 of file v4l2_base.cpp.

int V4L2_Base::getBrightness

(

)

Definition at line 799 of file v4l2_base.cpp.

int V4L2_Base::getColor

(

)

Definition at line 810 of file v4l2_base.cpp.

unsigned char * V4L2_Base::getColorBuffer

(

)

Definition at line 871 of file v4l2_base.cpp.

int V4L2_Base::getContrast

(

)

Definition at line 788 of file v4l2_base.cpp.

char * V4L2_Base::getDeviceName

(

)

Definition at line 726 of file v4l2_base.cpp.

int V4L2_Base::getFPS

(

)

Definition at line 721 of file v4l2_base.cpp.

int V4L2_Base::getHeight

(

)

Definition at line 711 of file v4l2_base.cpp.

int V4L2_Base::getHue

(

)

Definition at line 821 of file v4l2_base.cpp.

void V4L2_Base::getMaxMinSize	(	int &	x_max,
		int &	y_max,
		int &	x_min,
		int &	y_min
	)			[virtual]

Definition at line 748 of file v4l2_base.cpp.

void V4L2_Base::getPictureSettings

(

)

Definition at line 845 of file v4l2_base.cpp.

unsigned char * V4L2_Base::getU

(

)

Definition at line 861 of file v4l2_base.cpp.

unsigned char * V4L2_Base::getV

(

)

Definition at line 866 of file v4l2_base.cpp.

int V4L2_Base::getWhiteness

(

)

Definition at line 832 of file v4l2_base.cpp.

int V4L2_Base::getWidth

(

)

Definition at line 706 of file v4l2_base.cpp.

unsigned char * V4L2_Base::getY

(

)

Definition at line 853 of file v4l2_base.cpp.

int V4L2_Base::init_device	(	char *	errmsg,
		int	pixelFormat,
		int	width,
		int	height
	)			[protected]

Definition at line 513 of file v4l2_base.cpp.

int V4L2_Base::init_mmap

(

char *

errmsg

)

[protected]

Definition at line 407 of file v4l2_base.cpp.

void V4L2_Base::init_read

(

unsigned int

buffer_size

)

[protected]

Definition at line 389 of file v4l2_base.cpp.

void V4L2_Base::init_userp

(

unsigned int

buffer_size

)

[protected]

Definition at line 474 of file v4l2_base.cpp.

void V4L2_Base::newFrame	(	int	fd,
		void *	p
	)			[static]

Definition at line 356 of file v4l2_base.cpp.

int V4L2_Base::open_device	(	const char *	devpath,
		char *	errmsg
	)			[protected]

Definition at line 669 of file v4l2_base.cpp.

int V4L2_Base::query_ctrl	(	unsigned int	ctrl_id,
		double &	ctrl_min,
		double &	ctrl_max,
		double &	ctrl_step,
		double &	ctrl_value,
		char *	errmsg
	)

Definition at line 1021 of file v4l2_base.cpp.

int V4L2_Base::queryINTControls

(

INumberVectorProperty *

nvp

)

Definition at line 1066 of file v4l2_base.cpp.

int V4L2_Base::read_frame

(

char *

errsg

)

[protected]

Definition at line 138 of file v4l2_base.cpp.

void V4L2_Base::registerCallback	(	WPF *	fp,
		void *	ud
	)

Definition at line 904 of file v4l2_base.cpp.

void V4L2_Base::setBrightness

(

int

val

)

Definition at line 793 of file v4l2_base.cpp.

void V4L2_Base::setColor

(

int

val

)

Definition at line 804 of file v4l2_base.cpp.

void V4L2_Base::setContrast

(

int

val

)

Definition at line 782 of file v4l2_base.cpp.

void V4L2_Base::setFPS

(

int

fps

)

Definition at line 716 of file v4l2_base.cpp.

void V4L2_Base::setHue

(

int

val

)

Definition at line 815 of file v4l2_base.cpp.

int V4L2_Base::setINTControl	(	unsigned int	ctrl_id,
		double	new_value,
		char *	errmsg
	)

Definition at line 1173 of file v4l2_base.cpp.

void V4L2_Base::setPictureSettings

(

)

Definition at line 837 of file v4l2_base.cpp.

int V4L2_Base::setSize	(	int	x,
		int	y
	)			[virtual]

Definition at line 753 of file v4l2_base.cpp.

void V4L2_Base::setWhiteness

(

int

val

)

Definition at line 826 of file v4l2_base.cpp.

int V4L2_Base::start_capturing

(

char *

errmsg

)

Definition at line 292 of file v4l2_base.cpp.

int V4L2_Base::stop_capturing

(

char *

errmsg

)

Definition at line 263 of file v4l2_base.cpp.

int V4L2_Base::uninit_device

(

char *

errmsg

)

[protected]

Definition at line 364 of file v4l2_base.cpp.

int V4L2_Base::xioctl	(	int	fd,
		int	request,
		void *	arg
	)			[protected]

Definition at line 82 of file v4l2_base.cpp.

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Member Data Documentation

struct buffer* V4L2_Base::buffers [read, protected]

Definition at line 128 of file v4l2_base.h.

WPF* V4L2_Base::callback [protected]

Definition at line 123 of file v4l2_base.h.

struct v4l2_capability V4L2_Base::cap [read, protected]

Definition at line 115 of file v4l2_base.h.

unsigned char * V4L2_Base::colorBuffer [protected]

Definition at line 137 of file v4l2_base.h.

struct v4l2_crop V4L2_Base::crop [read, protected]

Definition at line 117 of file v4l2_base.h.

struct v4l2_cropcap V4L2_Base::cropcap [read, protected]

Definition at line 116 of file v4l2_base.h.

char V4L2_Base::dev_name[64] [protected]

Definition at line 125 of file v4l2_base.h.

bool V4L2_Base::dropFrame [protected]

Definition at line 131 of file v4l2_base.h.

int V4L2_Base::fd [protected]

Definition at line 127 of file v4l2_base.h.

struct v4l2_format V4L2_Base::fmt [read, protected]

Definition at line 118 of file v4l2_base.h.

int V4L2_Base::frameRate [protected]

Definition at line 134 of file v4l2_base.h.

io_method V4L2_Base::io [protected]

Definition at line 126 of file v4l2_base.h.

unsigned int V4L2_Base::n_buffers [protected]

Definition at line 129 of file v4l2_base.h.

struct v4l2_queryctrl V4L2_Base::queryctrl [read, protected]

Definition at line 120 of file v4l2_base.h.

struct v4l2_querymenu V4L2_Base::querymenu [read, protected]

Definition at line 121 of file v4l2_base.h.

unsigned char * V4L2_Base::rgb24_buffer [protected]

Definition at line 137 of file v4l2_base.h.

int V4L2_Base::selectCallBackID [protected]

Definition at line 136 of file v4l2_base.h.

unsigned char * V4L2_Base::UBuf [protected]

Definition at line 137 of file v4l2_base.h.

void* V4L2_Base::uptr [protected]

Definition at line 124 of file v4l2_base.h.

unsigned char * V4L2_Base::VBuf [protected]

Definition at line 137 of file v4l2_base.h.

int V4L2_Base::xmax [protected]

Definition at line 135 of file v4l2_base.h.

int V4L2_Base::xmin [protected]

Definition at line 135 of file v4l2_base.h.

unsigned char* V4L2_Base::YBuf [protected]

Definition at line 137 of file v4l2_base.h.

int V4L2_Base::ymax [protected]

Definition at line 135 of file v4l2_base.h.

int V4L2_Base::ymin [protected]

Definition at line 135 of file v4l2_base.h.

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

• v4l2_base.h
• v4l2_base.cpp