#include <v4l2_base.h>

Collaboration diagram for INDI::V4L2_Base:

Classes
struct	buffer

Public Types
enum	io_method { IO_METHOD_READ, IO_METHOD_MMAP, IO_METHOD_USERPTR }

Public Member Functions
	V4L2_Base ()

virtual	~V4L2_Base ()

virtual int	connectCam (const char devpath, char errmsg, int pixelFormat=-1, int width=-1, int height=-1)

virtual void	disconnectCam (bool stopcapture)

char *	getDeviceName ()

void	setDeviceName (const char *name)

bool	isLXmodCapable ()

void	callFrame (void *p)

int	getFormat ()

int	getWidth ()

int	getHeight ()

int	getBpp ()

virtual int	setSize (int x, int y)

virtual void	getMaxMinSize (int &x_max, int &y_max, int &x_min, int &y_min)

unsigned char *	getY ()

unsigned char *	getU ()

unsigned char *	getV ()

unsigned char *	getRGBBuffer ()

float *	getLinearY ()

void	registerCallback (WPF fp, void ud)

int	start_capturing (char *errmsg)

int	stop_capturing (char *errmsg)

void	enumerate_ctrl ()

void	enumerate_menu ()

bool	enumerate_ext_ctrl ()

int	queryINTControls (INumberVectorProperty *nvp)

bool	queryExtControls (INumberVectorProperty nvp, unsigned int nnumber, ISwitchVectorProperty *options, unsigned int noptions, const char dev, const char group)

void	queryControls (INumberVectorProperty nvp, unsigned int nnumber, ISwitchVectorProperty *options, unsigned int noptions, const char dev, const char group)

int	getControl (unsigned int ctrl_id, double value, char errmsg)

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

int	setOPTControl (unsigned int ctrl_id, unsigned int new_value, char *errmsg)

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

void	getinputs (ISwitchVectorProperty *inputssp)

int	setinput (unsigned int inputindex, char *errmsg)

void	getcaptureformats (ISwitchVectorProperty *captureformatssp)

int	setcaptureformat (unsigned int captureformatindex, char *errmsg)

void	getcapturesizes (ISwitchVectorProperty capturesizessp, INumberVectorProperty capturesizenp)

int	setcapturesize (unsigned int w, unsigned int h, char *errmsg)

void	getframerates (ISwitchVectorProperty frameratessp, INumberVectorProperty frameratenp)

int	setcroprect (int x, int y, int w, int h, char *errmsg)

struct v4l2_rect	getcroprect ()

void	setColorProcessing (bool quantization, bool colorconvert, bool linearization)

void	setlxstate (short s)

short	getlxstate ()

bool	isstreamactive ()

void	doDecode (bool)

Static Public Member Functions
static void	newFrame (int fd, void *p)

Public Attributes
int(V4L2_Base::*	setframerate )(struct v4l2_fract frate, char *errmsg)

struct v4l2_fract(V4L2_Base::*	getframerate )()

Protected Member Functions
int	xioctl (int fd, int request, void arg, char const const request_str)

int	ioctl_set_format (struct v4l2_format new_fmt, char *errmsg)

int	read_frame (char *errsg)

int	uninit_device (char *errmsg)

int	open_device (const char devpath, char errmsg)

int	check_device (char *errmsg)

int	init_device (char *errmsg)

int	init_mmap (char *errmsg)

int	errno_exit (const char s, char errmsg)

void	close_device ()

void	init_userp (unsigned int buffer_size)

void	init_read (unsigned int buffer_size)

void	findMinMax ()

int	stdsetframerate (struct v4l2_fract frate, char *errmsg)

int	pwcsetframerate (struct v4l2_fract frate, char *errmsg)

struct v4l2_fract	stdgetframerate ()

bool	is_compressed () const
	Helper indicating whether current pixel format is compressed or not. More...

Protected Attributes
int	enumeratedInputs

int	enumeratedCaptureFormats

struct v4l2_capability	cap

struct v4l2_cropcap	cropcap

struct v4l2_crop	crop

struct v4l2_format	fmt

struct v4l2_input	input

struct v4l2_buffer	buf

bool	cancrop

bool	cropset

bool	cansetrate

bool	streamedonce

bool	streamactive

short	lxstate

struct v4l2_queryctrl	queryctrl

struct v4l2_querymenu	querymenu

bool	has_ext_pix_format

WPF *	callback

void *	uptr

char	dev_name [64]

const char *	path

io_method	io

int	fd

struct buffer *	buffers

unsigned int	n_buffers

bool	reallocate_buffers

struct v4l2_fract	frameRate

int	xmax

int	xmin

int	ymax

int	ymin

int	selectCallBackID

V4L2_Decode *	v4l2_decode

V4L2_Decoder *	decoder

bool	dodecode

int	bpp

char	deviceName [MAXINDIDEVICE]

Friends
class	::V4L2_Driver

Member Enumeration Documentation

◆ io_method

enum INDI::V4L2_Base::io_method

Enumerator
IO_METHOD_READ
IO_METHOD_MMAP
IO_METHOD_USERPTR

Constructor & Destructor Documentation

◆ V4L2_Base()

INDI::V4L2_Base::V4L2_Base ( )

◆ ~V4L2_Base()

INDI::V4L2_Base::~V4L2_Base ( )

virtual

Member Function Documentation

◆ callFrame()

void INDI::V4L2_Base::callFrame ( void * p )

◆ check_device()

int INDI::V4L2_Base::check_device ( char * errmsg )

protected

◆ close_device()

void INDI::V4L2_Base::close_device ( )

protected

◆ connectCam()

int INDI::V4L2_Base::connectCam	(	const char *	devpath,
		char *	errmsg,
		int	pixelFormat = `-1`,
		int	width = `-1`,
		int	height = `-1`
	)

virtual

◆ disconnectCam()

void INDI::V4L2_Base::disconnectCam ( bool stopcapture )

virtual

◆ doDecode()

void INDI::V4L2_Base::doDecode ( bool d )

◆ enumerate_ctrl()

void INDI::V4L2_Base::enumerate_ctrl ( )

◆ enumerate_ext_ctrl()

bool INDI::V4L2_Base::enumerate_ext_ctrl ( )

◆ enumerate_menu()

void INDI::V4L2_Base::enumerate_menu ( )

◆ errno_exit()

int INDI::V4L2_Base::errno_exit	(	const char *	s,
		char *	errmsg
	)

protected

◆ findMinMax()

void INDI::V4L2_Base::findMinMax ( )

protected

◆ getBpp()

int INDI::V4L2_Base::getBpp ( )

◆ getcaptureformats()

void INDI::V4L2_Base::getcaptureformats ( ISwitchVectorProperty * captureformatssp )

◆ getcapturesizes()

void INDI::V4L2_Base::getcapturesizes	(	ISwitchVectorProperty *	capturesizessp,
		INumberVectorProperty *	capturesizenp
	)

◆ getControl()

int INDI::V4L2_Base::getControl	(	unsigned int	ctrl_id,
		double *	value,
		char *	errmsg
	)

◆ getcroprect()

struct v4l2_rect INDI::V4L2_Base::getcroprect ( )

◆ getDeviceName()

char * INDI::V4L2_Base::getDeviceName ( )

◆ getFormat()

int INDI::V4L2_Base::getFormat ( )

◆ getframerates()

void INDI::V4L2_Base::getframerates	(	ISwitchVectorProperty *	frameratessp,
		INumberVectorProperty *	frameratenp
	)

◆ getHeight()

int INDI::V4L2_Base::getHeight ( )

◆ getinputs()

void INDI::V4L2_Base::getinputs ( ISwitchVectorProperty * inputssp )

◆ getLinearY()

float * INDI::V4L2_Base::getLinearY ( )

◆ getlxstate()

short INDI::V4L2_Base::getlxstate ( )

inline

◆ getMaxMinSize()

void INDI::V4L2_Base::getMaxMinSize	(	int &	x_max,
		int &	y_max,
		int &	x_min,
		int &	y_min
	)

virtual

◆ getRGBBuffer()

unsigned char * INDI::V4L2_Base::getRGBBuffer ( )

◆ getU()

unsigned char * INDI::V4L2_Base::getU ( )

◆ getV()

unsigned char * INDI::V4L2_Base::getV ( )

◆ getWidth()

int INDI::V4L2_Base::getWidth ( )

◆ getY()

unsigned char * INDI::V4L2_Base::getY ( )

◆ init_device()

int INDI::V4L2_Base::init_device ( char * errmsg )

protected

◆ init_mmap()

int INDI::V4L2_Base::init_mmap ( char * errmsg )

protected

◆ init_read()

void INDI::V4L2_Base::init_read ( unsigned int buffer_size )

protected

◆ init_userp()

void INDI::V4L2_Base::init_userp ( unsigned int buffer_size )

protected

◆ ioctl_set_format()

int INDI::V4L2_Base::ioctl_set_format	(	struct v4l2_format	new_fmt,
		char *	errmsg
	)

protected

◆ is_compressed()

bool INDI::V4L2_Base::is_compressed ( ) const

protected

Helper indicating whether current pixel format is compressed or not.

This function is used in read_frame to check for corrupted frames.

Returns: true if pixel format is considered compressed by the driver, else false.

Warning: If kernel headers 3.17 or later are available, this function will rely on field 'flags', else will compare the current pixel format against an arbitrary list of known format codes.

◆ isLXmodCapable()

bool INDI::V4L2_Base::isLXmodCapable ( )

◆ isstreamactive()

bool INDI::V4L2_Base::isstreamactive ( )

inline

◆ newFrame()

void INDI::V4L2_Base::newFrame	(	int	fd,
		void *	p
	)

static

◆ open_device()

int INDI::V4L2_Base::open_device	(	const char *	devpath,
		char *	errmsg
	)

protected

◆ pwcsetframerate()

int INDI::V4L2_Base::pwcsetframerate	(	struct v4l2_fract	frate,
		char *	errmsg
	)

protected

◆ query_ctrl()

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

◆ queryControls()

void INDI::V4L2_Base::queryControls	(	INumberVectorProperty *	nvp,
		unsigned int *	nnumber,
		ISwitchVectorProperty **	options,
		unsigned int *	noptions,
		const char *	dev,
		const char *	group
	)

◆ queryExtControls()

bool INDI::V4L2_Base::queryExtControls	(	INumberVectorProperty *	nvp,
		unsigned int *	nnumber,
		ISwitchVectorProperty **	options,
		unsigned int *	noptions,
		const char *	dev,
		const char *	group
	)

◆ queryINTControls()

int INDI::V4L2_Base::queryINTControls ( INumberVectorProperty * nvp )

◆ read_frame()

int INDI::V4L2_Base::read_frame ( char * errsg )

protected

◆ registerCallback()

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

◆ setcaptureformat()

int INDI::V4L2_Base::setcaptureformat	(	unsigned int	captureformatindex,
		char *	errmsg
	)

◆ setcapturesize()

int INDI::V4L2_Base::setcapturesize	(	unsigned int	w,
		unsigned int	h,
		char *	errmsg
	)

◆ setColorProcessing()

void INDI::V4L2_Base::setColorProcessing	(	bool	quantization,
		bool	colorconvert,
		bool	linearization
	)

◆ setcroprect()

int INDI::V4L2_Base::setcroprect	(	int	x,
		int	y,
		int	w,
		int	h,
		char *	errmsg
	)

◆ setDeviceName()

void INDI::V4L2_Base::setDeviceName ( const char * name )

◆ setinput()

int INDI::V4L2_Base::setinput	(	unsigned int	inputindex,
		char *	errmsg
	)

◆ setINTControl()

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

◆ setlxstate()

void INDI::V4L2_Base::setlxstate ( short s )

inline

◆ setOPTControl()

int INDI::V4L2_Base::setOPTControl	(	unsigned int	ctrl_id,
		unsigned int	new_value,
		char *	errmsg
	)

◆ setSize()

int INDI::V4L2_Base::setSize	(	int	x,
		int	y
	)

virtual

◆ start_capturing()

int INDI::V4L2_Base::start_capturing ( char * errmsg )

◆ stdgetframerate()

struct v4l2_fract INDI::V4L2_Base::stdgetframerate ( )

protected

◆ stdsetframerate()

int INDI::V4L2_Base::stdsetframerate	(	struct v4l2_fract	frate,
		char *	errmsg
	)

protected

◆ stop_capturing()

int INDI::V4L2_Base::stop_capturing ( char * errmsg )

◆ uninit_device()

int INDI::V4L2_Base::uninit_device ( char * errmsg )

protected

◆ xioctl()

int INDI::V4L2_Base::xioctl	(	int	fd,
		int	request,
		void *	arg,
		char const *const	request_str
	)

protected

Friends And Related Function Documentation

◆ ::V4L2_Driver

friend class ::V4L2_Driver

friend

Member Data Documentation

◆ bpp

int INDI::V4L2_Base::bpp

protected

◆ buf

struct v4l2_buffer INDI::V4L2_Base::buf

protected

◆ buffers

struct buffer* INDI::V4L2_Base::buffers

protected

◆ callback

WPF* INDI::V4L2_Base::callback

protected

◆ cancrop

bool INDI::V4L2_Base::cancrop

protected

◆ cansetrate

bool INDI::V4L2_Base::cansetrate

protected

◆ cap

struct v4l2_capability INDI::V4L2_Base::cap

protected

◆ crop

struct v4l2_crop INDI::V4L2_Base::crop

protected

◆ cropcap

struct v4l2_cropcap INDI::V4L2_Base::cropcap

protected

◆ cropset

bool INDI::V4L2_Base::cropset

protected

◆ decoder

V4L2_Decoder* INDI::V4L2_Base::decoder

protected

◆ dev_name

char INDI::V4L2_Base::dev_name[64]

protected

◆ deviceName

char INDI::V4L2_Base::deviceName[MAXINDIDEVICE]

protected

◆ dodecode

bool INDI::V4L2_Base::dodecode

protected

◆ enumeratedCaptureFormats

int INDI::V4L2_Base::enumeratedCaptureFormats

protected

◆ enumeratedInputs

int INDI::V4L2_Base::enumeratedInputs

protected

◆ fd

int INDI::V4L2_Base::fd

protected

◆ fmt

struct v4l2_format INDI::V4L2_Base::fmt

protected

◆ frameRate

struct v4l2_fract INDI::V4L2_Base::frameRate

protected

◆ getframerate

struct v4l2_fract(V4L2_Base::* INDI::V4L2_Base::getframerate) ()

◆ has_ext_pix_format

bool INDI::V4L2_Base::has_ext_pix_format

protected

◆ input

struct v4l2_input INDI::V4L2_Base::input

protected

◆ io

io_method INDI::V4L2_Base::io

protected

◆ lxstate

short INDI::V4L2_Base::lxstate

protected

◆ n_buffers

unsigned int INDI::V4L2_Base::n_buffers

protected

◆ path

const char* INDI::V4L2_Base::path

protected

◆ queryctrl

struct v4l2_queryctrl INDI::V4L2_Base::queryctrl

protected

◆ querymenu

struct v4l2_querymenu INDI::V4L2_Base::querymenu

protected

◆ reallocate_buffers

bool INDI::V4L2_Base::reallocate_buffers

protected

◆ selectCallBackID

int INDI::V4L2_Base::selectCallBackID

protected

◆ setframerate

int(V4L2_Base::* INDI::V4L2_Base::setframerate) (struct v4l2_fract frate, char *errmsg)

◆ streamactive

bool INDI::V4L2_Base::streamactive

protected

◆ streamedonce

bool INDI::V4L2_Base::streamedonce

protected

◆ uptr

void* INDI::V4L2_Base::uptr

protected

◆ v4l2_decode

V4L2_Decode* INDI::V4L2_Base::v4l2_decode

protected

◆ xmax

int INDI::V4L2_Base::xmax

protected

◆ xmin

int INDI::V4L2_Base::xmin

protected

◆ ymax

int INDI::V4L2_Base::ymax

protected

◆ ymin

int INDI::V4L2_Base::ymin

protected

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

ln/3rdparty/src/indilib/indi-1.7.4/libindi/libs/webcam/v4l2_base.h
ln/3rdparty/src/indilib/indi-1.7.4/libindi/libs/webcam/v4l2_base.cpp

Classes

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Friends

Member Enumeration Documentation

◆ io_method

Constructor & Destructor Documentation

◆ V4L2_Base()

◆ ~V4L2_Base()

Member Function Documentation

◆ callFrame()

◆ check_device()

◆ close_device()

◆ connectCam()

◆ disconnectCam()

◆ doDecode()

◆ enumerate_ctrl()

◆ enumerate_ext_ctrl()

◆ enumerate_menu()

◆ errno_exit()

◆ findMinMax()

◆ getBpp()

◆ getcaptureformats()

◆ getcapturesizes()

◆ getControl()

◆ getcroprect()

◆ getDeviceName()

◆ getFormat()

◆ getframerates()

◆ getHeight()

◆ getinputs()

◆ getLinearY()

◆ getlxstate()

◆ getMaxMinSize()

◆ getRGBBuffer()

◆ getU()

◆ getV()

◆ getWidth()

◆ getY()

◆ init_device()

◆ init_mmap()

◆ init_read()

◆ init_userp()

◆ ioctl_set_format()

◆ is_compressed()

◆ isLXmodCapable()

◆ isstreamactive()

◆ newFrame()

◆ open_device()

◆ pwcsetframerate()

◆ query_ctrl()

◆ queryControls()

◆ queryExtControls()

◆ queryINTControls()

◆ read_frame()

◆ registerCallback()

◆ setcaptureformat()

◆ setcapturesize()

◆ setColorProcessing()

◆ setcroprect()

◆ setDeviceName()

◆ setinput()

◆ setINTControl()

◆ setlxstate()

◆ setOPTControl()

◆ setSize()

◆ start_capturing()

◆ stdgetframerate()

◆ stdsetframerate()

◆ stop_capturing()

◆ uninit_device()

◆ xioctl()

Friends And Related Function Documentation

◆ ::V4L2_Driver

Member Data Documentation

◆ bpp