CVD::V4L1::RawV4L1 Class Reference

#include <v4l1buffer.h>

Inheritance diagram for CVD::V4L1::RawV4L1:

List of all members.

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Detailed Description

Internal (non type-safe) class used by V4L1Buffer classes to access video devices with v4l1 drivers.

Use V4L1Buffer to get the 8-bit greyscale or 24-bit color.

Definition at line 103 of file v4l1buffer.h.

Public Member Functions
	RawV4L1 (const std::string &dev, unsigned int mode, const ImageRef &)
const ImageRef &	get_size () const
void	set_size (const ImageRef &size)
void	set_palette (unsigned int palette)
void	set_brightness (double brightness)
double	get_brightness (void)
void	set_whiteness (double whiteness)
double	get_whiteness (void)
void	set_hue (double hue)
double	get_hue (void)
void	set_contrast (double contrast)
double	get_contrast (void)
void	set_saturation (double saturation)
double	get_saturation (void)
void	set_auto_exp (bool on)
bool	get_auto_exp (void)
void	retrieveSettings ()
void	commitSettings ()
void	captureFrame (unsigned int buffer)
unsigned char *	get_frame ()
void	put_frame (unsigned char *)
double	frame_rate ()
bool	frame_pending ()
int	get_handle () const

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Constructor & Destructor Documentation

CVD::V4L1::RawV4L1::RawV4L1	(	const std::string &	dev,
		unsigned int	mode,
		const ImageRef &
	)

constructor

Parameters:

	dev	file name of the device to open
	mode	color palette to use (see linux/video.h for possible modes)

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Member Function Documentation

const ImageRef& CVD::V4L1::RawV4L1::get_size

(

)

const

Get the width in pixels of the captured frames.

void CVD::V4L1::RawV4L1::set_size

(

const ImageRef &

size

)

Set the size of the captured frames.

void CVD::V4L1::RawV4L1::set_palette

(

unsigned int

palette

)

Set the color palette to use.

void CVD::V4L1::RawV4L1::set_brightness

(

double

brightness

)

Set the brightness in [0,1] of the captured frames.

double CVD::V4L1::RawV4L1::get_brightness

(

void

)

[inline]

returns current brightness setting.

Definition at line 121 of file v4l1buffer.h.

void CVD::V4L1::RawV4L1::set_whiteness

(

double

whiteness

)

Set the whiteness in [0,1] of the captured frames.

double CVD::V4L1::RawV4L1::get_whiteness

(

void

)

[inline]

returns current whiteness setting.

Definition at line 125 of file v4l1buffer.h.

void CVD::V4L1::RawV4L1::set_hue

(

double

hue

)

Set the hue in [0,1] of the captured frames.

double CVD::V4L1::RawV4L1::get_hue

(

void

)

[inline]

returns current hue setting.

Definition at line 129 of file v4l1buffer.h.

void CVD::V4L1::RawV4L1::set_contrast

(

double

contrast

)

Set the contrast in [0,1] of the captured frames.

double CVD::V4L1::RawV4L1::get_contrast

(

void

)

[inline]

returns current contrast setting.

Definition at line 133 of file v4l1buffer.h.

void CVD::V4L1::RawV4L1::set_saturation

(

double

saturation

)

Set the saturation in [0,1] of the captured frames.

double CVD::V4L1::RawV4L1::get_saturation

(

void

)

[inline]

returns current saturation setting.

Definition at line 137 of file v4l1buffer.h.

void CVD::V4L1::RawV4L1::set_auto_exp

(

bool

on

)

sets autoexposure

bool CVD::V4L1::RawV4L1::get_auto_exp

(

void

)

gets autoexposure

void CVD::V4L1::RawV4L1::retrieveSettings

(

)

Get current settings from the camera device.

void CVD::V4L1::RawV4L1::commitSettings

(

)

Commit the settings to the camera device.

void CVD::V4L1::RawV4L1::captureFrame

(

unsigned int

buffer

)

marks a frame as ready for capturing

unsigned char* CVD::V4L1::RawV4L1::get_frame

(

)

returns the data of the next captured frame

Reimplemented in CVD::V4L1Buffer< T >.

void CVD::V4L1::RawV4L1::put_frame

(

unsigned char *

)

returns the frame data to be used for further capturing

double CVD::V4L1::RawV4L1::frame_rate

(

)

Get the camera frame rate.

Reimplemented in CVD::V4L1Buffer< T >.

bool CVD::V4L1::RawV4L1::frame_pending

(

)

Is there a frame waiting in the buffer? This function does not block.

Reimplemented in CVD::V4L1Buffer< T >.

int CVD::V4L1::RawV4L1::get_handle

(

)

const [inline]

return underlying file handle for select operations etc

Definition at line 157 of file v4l1buffer.h.

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

• cvd/Linux/v4l1buffer.h

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