Utilities Library (jetson-utils)

Tools and utilities for video streaming, codecs, display, and CUDA processing. More...

Modules
	Camera Capture
	Camera capture and streaming for MIPI CSI and V4L2 devices (deprecated).
	Codec
	Hardware-accelerated video encoder and decoder (H.264/H.265) using GStreamer.
	Command-Line Parsing
	Parsing of command line arguments, flags, and variables.
	CSV Parsing
	Text file parsing for Comma-Separated Value (CSV) formats, with user-defined delimiters beyond just commas, including spaces, tabs, or other symbols.
	CUDA
	CUDA utilities and image processing kernels.
	Filesystem
	Functions for listing files in directories and manipulating file paths.
	Image Formats
	Enumerations and helper functions for different types of image formats.
	Image I/O
	Loading and saving image files from disk.
	Input
	HID input devices including gamepad controllers, joysticks, and keyboard.
	Logging
	Message logging with a variable level of output and destinations.
	Matrix
	3x3 matrix operations from mat33.h
	Multithreading
	Mutex, events, threads, and process objects based on pthreads.
	Networking
	TCP/UDP sockets and IP address manipulation.
	OpenGL
	OpenGL textures and display window (X11/GLX).
	Time
	Timestamping operations for measuring the timing of CPU code.
	Video Streaming
	videoSource and videoOutput APIs for input and output video streams.

Macros
#define	SAFE_DELETE(x)   if(x != NULL) { delete x; x = NULL; }
	Check for non-NULL pointer before deleting it, and then set the pointer to NULL. More...
#define	SAFE_FREE(x)   if(x != NULL) { free(x); x = NULL; }
	Check for non-NULL pointer before freeing it, and then set the pointer to NULL. More...
#define	PI   3.1415926535897932384626433832795f
	Constant representing PI. More...
#define	TWO_PI   6.283185307179586476925286766559f
	Constant representing two PI. More...
#define	PI_OVER_TWO   1.5707963267948966192313216916398f;
	Constant representing PI over two. More...
#define	DEG_TO_RAD   0.017453292519943295769236907684886f
	Constant for converting from degrees to radians. More...
#define	RAD_TO_DEG   57.295779513082320876798154814105f
	Constant for converting from radians to degrees. More...

Functions
float	randf (float range_min=0.0f, float range_max=1.0f)
	Generate a floating-point random number within the specified range. More...
int	rand (int range_min, int range_max)
	Generate a random integer within the specified range. More...
void	srand_time ()
	Seed the random number generator based on the system time. More...

Detailed Description

Tools and utilities for video streaming, codecs, display, and CUDA processing.

Macro Definition Documentation

DEG_TO_RAD

#define DEG_TO_RAD   0.017453292519943295769236907684886f

Constant for converting from degrees to radians.

PI

#define PI   3.1415926535897932384626433832795f

Constant representing PI.

PI_OVER_TWO

#define PI_OVER_TWO   1.5707963267948966192313216916398f;

Constant representing PI over two.

RAD_TO_DEG

#define RAD_TO_DEG   57.295779513082320876798154814105f

Constant for converting from radians to degrees.

SAFE_DELETE

#define SAFE_DELETE

(

x

)

if(x != NULL) { delete x; x = NULL; }

Check for non-NULL pointer before deleting it, and then set the pointer to NULL.

SAFE_FREE

#define SAFE_FREE

(

x

)

if(x != NULL) { free(x); x = NULL; }

Check for non-NULL pointer before freeing it, and then set the pointer to NULL.

TWO_PI

#define TWO_PI   6.283185307179586476925286766559f

Constant representing two PI.

Function Documentation

rand()

int rand ( int  range_min, int  range_max  )

inline

Generate a random integer within the specified range.

randf()

float randf ( float  range_min = 0.0f, float  range_max = 1.0f  )

inline

Generate a floating-point random number within the specified range.

srand_time()

void srand_time ( )

inline

Seed the random number generator based on the system time.