uvc_cam::Cam Class Reference

#include <uvc_cam.h>

Public Types
enum	mode_t { MODE_RGB, MODE_MJPG, MODE_YUYV }

Public Member Functions
	Cam (const char *device, mode_t _mode=MODE_RGB, int _width=640, int _height=480, int _fps=30)
int	grab (unsigned char **frame, uint32_t &bytes_used)
void	release (unsigned buf_idx)
bool	set_auto_white_balance (bool on)
void	set_control (uint32_t id, int val)
void	set_motion_thresholds (int lum, int count)
bool	set_v4l2_control (int id, int value, const std::string &name)
bool	v4l2_query (int id, const std::string &name)
	~Cam ()

Static Public Member Functions
static void	enumerate ()

Public Attributes
enum uvc_cam::Cam::mode_t	mode

Private Attributes
v4l2_buffer	buf
unsigned	buf_length
v4l2_capability	cap
std::string	device
int	fd
v4l2_format	fmt
unsigned	fps
unsigned	height
unsigned char *	last_yuv_frame
void *	mem [NUM_BUFFER]
int	motion_threshold_count
int	motion_threshold_luminance
v4l2_requestbuffers	rb
unsigned char *	rgb_frame
v4l2_streamparm	streamparm
v4l2_timecode	timecode
CSU32	UVC_CTRL_DATA_TYPE_BITMASK = 5
CSU32	UVC_CTRL_DATA_TYPE_BOOLEAN = 3
CSU32	UVC_CTRL_DATA_TYPE_ENUM = 4
CSU32	UVC_CTRL_DATA_TYPE_RAW = 0
CSU32	UVC_CTRL_DATA_TYPE_SIGNED = 1
CSU32	UVC_CTRL_DATA_TYPE_UNSIGNED = 2
CSU32	V4L2_CID_BACKLIGHT_COMPENSATION_NEW = V4L2_CID_BASE_NEW + 28
CSU32	V4L2_CID_BACKLIGHT_COMPENSATION_OLD = V4L2_CID_PRIVATE_BASE_OLD + 0
CSU32	V4L2_CID_BASE_EXTCTR = 0x0A046D01
CSU32	V4L2_CID_BASE_LOGITECH = V4L2_CID_BASE_EXTCTR
CSU32	V4L2_CID_BASE_NEW = V4L2_CTRL_CLASS_USER_NEW | 0x900
CSU32	V4L2_CID_CAMERA_CLASS_BASE_NEW = V4L2_CTRL_CLASS_CAMERA_NEW | 0x900
CSU32	V4L2_CID_CAMERA_CLASS_LAST = V4L2_CID_CAMERA_CLASS_BASE_NEW + 13
CSU32	V4L2_CID_DISABLE_PROCESSING_LOGITECH = V4L2_CID_BASE_LOGITECH + 0x70
CSU32	V4L2_CID_EXPOSURE_ABSOLUTE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 2
CSU32	V4L2_CID_EXPOSURE_ABSOLUTE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 11
CSU32	V4L2_CID_EXPOSURE_AUTO_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 1
CSU32	V4L2_CID_EXPOSURE_AUTO_OLD = V4L2_CID_PRIVATE_BASE_OLD + 10
CSU32	V4L2_CID_EXPOSURE_AUTO_PRIORITY_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW+3
CSU32	V4L2_CID_FOCUS_ABSOLUTE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 10
CSU32	V4L2_CID_FOCUS_ABSOLUTE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 5
CSU32	V4L2_CID_FOCUS_AUTO_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 12
CSU32	V4L2_CID_FOCUS_AUTO_OLD = V4L2_CID_PRIVATE_BASE_OLD + 4
CSU32	V4L2_CID_FOCUS_LOGITECH = V4L2_CID_BASE_LOGITECH + 3
CSU32	V4L2_CID_FOCUS_RELATIVE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 11
CSU32	V4L2_CID_FOCUS_RELATIVE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 6
CSU32	V4L2_CID_HUE_AUTO_NEW = V4L2_CID_BASE_NEW + 25
CSU32	V4L2_CID_HUE_AUTO_OLD = V4L2_CID_PRIVATE_BASE_OLD + 3
CSU32	V4L2_CID_LAST_EXTCTR = V4L2_CID_RAW_BITS_PER_PIXEL_LOGITECH
CSU32	V4L2_CID_LAST_NEW = V4L2_CID_BASE_NEW + 29
CSU32	V4L2_CID_LED1_FREQUENCY_LOGITECH = V4L2_CID_BASE_LOGITECH + 5
CSU32	V4L2_CID_LED1_MODE_LOGITECH = V4L2_CID_BASE_LOGITECH + 4
CSU32	V4L2_CID_PAN_ABSOLUTE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 8
CSU32	V4L2_CID_PAN_RELATIVE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 4
CSU32	V4L2_CID_PAN_RELATIVE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 7
CSU32	V4L2_CID_PAN_RESET_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 6
CSU32	V4L2_CID_PANTILT_RESET_LOGITECH = V4L2_CID_BASE_LOGITECH + 2
CSU32	V4L2_CID_PANTILT_RESET_OLD = V4L2_CID_PRIVATE_BASE_OLD + 9
CSU32	V4L2_CID_POWER_LINE_FREQUENCY_NEW = V4L2_CID_BASE_NEW + 24
CSU32	V4L2_CID_POWER_LINE_FREQUENCY_OLD = V4L2_CID_PRIVATE_BASE_OLD + 1
CSU32	V4L2_CID_PRIVATE_BASE_OLD = 0x08000000
CSU32	V4L2_CID_PRIVATE_LAST = V4L2_CID_WHITE_BALANCE_TEMP_OLD + 1
CSU32	V4L2_CID_RAW_BITS_PER_PIXEL_LOGITECH = V4L2_CID_BASE_LOGITECH + 0x71
CSU32	V4L2_CID_SHARPNESS_NEW = V4L2_CID_BASE_NEW + 27
CSU32	V4L2_CID_SHARPNESS_OLD = V4L2_CID_PRIVATE_BASE_OLD + 2
CSU32	V4L2_CID_TILT_ABSOLUTE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 9
CSU32	V4L2_CID_TILT_RELATIVE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 5
CSU32	V4L2_CID_TILT_RELATIVE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 8
CSU32	V4L2_CID_TILT_RESET_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 7
CSU32	V4L2_CID_WHITE_BALANCE_TEMP_AUTO_OLD = V4L2_CID_PRIVATE_BASE_OLD+12
CSU32	V4L2_CID_WHITE_BALANCE_TEMP_OLD = V4L2_CID_PRIVATE_BASE_OLD + 13
CSU32	V4L2_CID_WHITE_BALANCE_TEMPERATURE_NEW = V4L2_CID_BASE_NEW + 26
CSU32	V4L2_CTRL_CLASS_CAMERA_NEW = 0x009A0000
CSU32	V4L2_CTRL_CLASS_USER_NEW = 0x00980000
unsigned	width

Static Private Attributes
static const unsigned	NUM_BUFFER = 2

Detailed Description

Definition at line 55 of file uvc_cam.h.

Member Enumeration Documentation

enum uvc_cam::Cam::mode_t

Enumerator
MODE_RGB
MODE_MJPG
MODE_YUYV

Definition at line 58 of file uvc_cam.h.

Constructor & Destructor Documentation

Cam::Cam	(	const char *	device,
		mode_t	_mode = MODE_RGB,
		int	_width = 640,
		int	_height = 480,
		int	_fps = 30
	)

Definition at line 21 of file uvc_cam.cpp.

Cam::~Cam

(

)

Definition at line 222 of file uvc_cam.cpp.

Member Function Documentation

void Cam::enumerate ( )

static

Definition at line 240 of file uvc_cam.cpp.

int Cam::grab	(	unsigned char **	frame,
		uint32_t &	bytes_used
	)

Definition at line 333 of file uvc_cam.cpp.

void Cam::release

(

unsigned

buf_idx

)

Definition at line 416 of file uvc_cam.cpp.

bool uvc_cam::Cam::set_auto_white_balance

(

bool

on

)

void Cam::set_control	(	uint32_t	id,
		int	val
	)

Definition at line 471 of file uvc_cam.cpp.

void Cam::set_motion_thresholds	(	int	lum,
		int	count
	)

Definition at line 492 of file uvc_cam.cpp.

bool Cam::set_v4l2_control	(	int	id,
		int	value,
		const std::string &	name
	)

Definition at line 447 of file uvc_cam.cpp.

bool Cam::v4l2_query	(	int	id,
		const std::string &	name
	)

Definition at line 424 of file uvc_cam.cpp.

Member Data Documentation

v4l2_buffer uvc_cam::Cam::buf

private

Definition at line 78 of file uvc_cam.h.

unsigned uvc_cam::Cam::buf_length

private

Definition at line 82 of file uvc_cam.h.

v4l2_capability uvc_cam::Cam::cap

private

Definition at line 75 of file uvc_cam.h.

std::string uvc_cam::Cam::device

private

Definition at line 71 of file uvc_cam.h.

int uvc_cam::Cam::fd

private

Definition at line 72 of file uvc_cam.h.

v4l2_format uvc_cam::Cam::fmt

private

Definition at line 74 of file uvc_cam.h.

unsigned uvc_cam::Cam::fps

private

Definition at line 73 of file uvc_cam.h.

unsigned uvc_cam::Cam::height

private

Definition at line 73 of file uvc_cam.h.

unsigned char * uvc_cam::Cam::last_yuv_frame

private

Definition at line 83 of file uvc_cam.h.

void* uvc_cam::Cam::mem[NUM_BUFFER]

private

Definition at line 81 of file uvc_cam.h.

enum uvc_cam::Cam::mode_t uvc_cam::Cam::mode

int uvc_cam::Cam::motion_threshold_count

private

Definition at line 72 of file uvc_cam.h.

int uvc_cam::Cam::motion_threshold_luminance

private

Definition at line 72 of file uvc_cam.h.

const unsigned uvc_cam::Cam::NUM_BUFFER = 2

staticprivate

Definition at line 80 of file uvc_cam.h.

v4l2_requestbuffers uvc_cam::Cam::rb

private

Definition at line 77 of file uvc_cam.h.

unsigned char* uvc_cam::Cam::rgb_frame

private

Definition at line 83 of file uvc_cam.h.

v4l2_streamparm uvc_cam::Cam::streamparm

private

Definition at line 76 of file uvc_cam.h.

v4l2_timecode uvc_cam::Cam::timecode

private

Definition at line 79 of file uvc_cam.h.

CSU32 uvc_cam::Cam::UVC_CTRL_DATA_TYPE_BITMASK = 5

private

Definition at line 134 of file uvc_cam.h.

CSU32 uvc_cam::Cam::UVC_CTRL_DATA_TYPE_BOOLEAN = 3

private

Definition at line 132 of file uvc_cam.h.

CSU32 uvc_cam::Cam::UVC_CTRL_DATA_TYPE_ENUM = 4

private

Definition at line 133 of file uvc_cam.h.

CSU32 uvc_cam::Cam::UVC_CTRL_DATA_TYPE_RAW = 0

private

Definition at line 129 of file uvc_cam.h.

CSU32 uvc_cam::Cam::UVC_CTRL_DATA_TYPE_SIGNED = 1

private

Definition at line 130 of file uvc_cam.h.

CSU32 uvc_cam::Cam::UVC_CTRL_DATA_TYPE_UNSIGNED = 2

private

Definition at line 131 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_BACKLIGHT_COMPENSATION_NEW = V4L2_CID_BASE_NEW + 28

private

Definition at line 92 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_BACKLIGHT_COMPENSATION_OLD = V4L2_CID_PRIVATE_BASE_OLD + 0

private

Definition at line 113 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_BASE_EXTCTR = 0x0A046D01

private

Definition at line 135 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_BASE_LOGITECH = V4L2_CID_BASE_EXTCTR

private

Definition at line 136 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_BASE_NEW = V4L2_CTRL_CLASS_USER_NEW | 0x900

private

Definition at line 87 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_CAMERA_CLASS_BASE_NEW = V4L2_CTRL_CLASS_CAMERA_NEW | 0x900

private

Definition at line 96 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_CAMERA_CLASS_LAST = V4L2_CID_CAMERA_CLASS_BASE_NEW + 13

private

Definition at line 109 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_DISABLE_PROCESSING_LOGITECH = V4L2_CID_BASE_LOGITECH + 0x70

private

Definition at line 143 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_EXPOSURE_ABSOLUTE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 2

private

Definition at line 98 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_EXPOSURE_ABSOLUTE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 11

private

Definition at line 124 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_EXPOSURE_AUTO_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 1

private

Definition at line 97 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_EXPOSURE_AUTO_OLD = V4L2_CID_PRIVATE_BASE_OLD + 10

private

Definition at line 123 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_EXPOSURE_AUTO_PRIORITY_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW+3

private

Definition at line 99 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_FOCUS_ABSOLUTE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 10

private

Definition at line 106 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_FOCUS_ABSOLUTE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 5

private

Definition at line 118 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_FOCUS_AUTO_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 12

private

Definition at line 108 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_FOCUS_AUTO_OLD = V4L2_CID_PRIVATE_BASE_OLD + 4

private

Definition at line 117 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_FOCUS_LOGITECH = V4L2_CID_BASE_LOGITECH + 3

private

Definition at line 140 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_FOCUS_RELATIVE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 11

private

Definition at line 107 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_FOCUS_RELATIVE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 6

private

Definition at line 119 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_HUE_AUTO_NEW = V4L2_CID_BASE_NEW + 25

private

Definition at line 89 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_HUE_AUTO_OLD = V4L2_CID_PRIVATE_BASE_OLD + 3

private

Definition at line 116 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_LAST_EXTCTR = V4L2_CID_RAW_BITS_PER_PIXEL_LOGITECH

private

Definition at line 145 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_LAST_NEW = V4L2_CID_BASE_NEW + 29

private

Definition at line 93 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_LED1_FREQUENCY_LOGITECH = V4L2_CID_BASE_LOGITECH + 5

private

Definition at line 142 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_LED1_MODE_LOGITECH = V4L2_CID_BASE_LOGITECH + 4

private

Definition at line 141 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_PAN_ABSOLUTE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 8

private

Definition at line 104 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_PAN_RELATIVE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 4

private

Definition at line 100 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_PAN_RELATIVE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 7

private

Definition at line 120 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_PAN_RESET_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 6

private

Definition at line 102 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_PANTILT_RESET_LOGITECH = V4L2_CID_BASE_LOGITECH + 2

private

Definition at line 139 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_PANTILT_RESET_OLD = V4L2_CID_PRIVATE_BASE_OLD + 9

private

Definition at line 122 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_POWER_LINE_FREQUENCY_NEW = V4L2_CID_BASE_NEW + 24

private

Definition at line 88 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_POWER_LINE_FREQUENCY_OLD = V4L2_CID_PRIVATE_BASE_OLD + 1

private

Definition at line 114 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_PRIVATE_BASE_OLD = 0x08000000

private

Definition at line 112 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_PRIVATE_LAST = V4L2_CID_WHITE_BALANCE_TEMP_OLD + 1

private

Definition at line 127 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_RAW_BITS_PER_PIXEL_LOGITECH = V4L2_CID_BASE_LOGITECH + 0x71

private

Definition at line 144 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_SHARPNESS_NEW = V4L2_CID_BASE_NEW + 27

private

Definition at line 91 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_SHARPNESS_OLD = V4L2_CID_PRIVATE_BASE_OLD + 2

private

Definition at line 115 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_TILT_ABSOLUTE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 9

private

Definition at line 105 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_TILT_RELATIVE_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 5

private

Definition at line 101 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_TILT_RELATIVE_OLD = V4L2_CID_PRIVATE_BASE_OLD + 8

private

Definition at line 121 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_TILT_RESET_NEW = V4L2_CID_CAMERA_CLASS_BASE_NEW + 7

private

Definition at line 103 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_WHITE_BALANCE_TEMP_AUTO_OLD = V4L2_CID_PRIVATE_BASE_OLD+12

private

Definition at line 125 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_WHITE_BALANCE_TEMP_OLD = V4L2_CID_PRIVATE_BASE_OLD + 13

private

Definition at line 126 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CID_WHITE_BALANCE_TEMPERATURE_NEW = V4L2_CID_BASE_NEW + 26

private

Definition at line 90 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CTRL_CLASS_CAMERA_NEW = 0x009A0000

private

Definition at line 95 of file uvc_cam.h.

CSU32 uvc_cam::Cam::V4L2_CTRL_CLASS_USER_NEW = 0x00980000

private

Definition at line 86 of file uvc_cam.h.

unsigned uvc_cam::Cam::width

private

Definition at line 73 of file uvc_cam.h.

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

• uvc_cam.h
• uvc_cam.cpp