tests/videogen.c File Reference

#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>

Go to the source code of this file.

Data Structures
struct	VObj
Defines
#define	SCALEBITS   8
#define	ONE_HALF   (1 << (SCALEBITS - 1))
#define	FIX(x)   ((int) ((x) * (1L<<SCALEBITS) + 0.5))
#define	DEFAULT_WIDTH   352
#define	DEFAULT_HEIGHT   288
#define	DEFAULT_NB_PICT   50
#define	NOISE_X   10
#define	NOISE_Y   30
#define	NOISE_W   26
#define	FRAC_BITS   8
#define	FRAC_ONE   (1 << FRAC_BITS)
#define	NB_OBJS   10
Functions
static void	rgb24_to_yuv420p (uint8_t *lum, uint8_t *cb, uint8_t *cr, uint8_t *src, int width, int height)
static void	pgmyuv_save (const char *filename, int w, int h, unsigned char *rgb_tab)
static void	put_pixel (int x, int y, int r, int g, int b)
static unsigned int	myrnd (unsigned int *seed_ptr, int n)
static int	int_cos (int a)
static void	gen_image (int num, int w, int h)
int	main (int argc, char **argv)
Variables
unsigned char *	rgb_tab
int	width
int	height
int	wrap
VObj	objs [NB_OBJS]
unsigned int	seed = 1

---

Define Documentation

#define DEFAULT_HEIGHT   288

Definition at line 97 of file videogen.c.

#define DEFAULT_NB_PICT   50

Definition at line 98 of file videogen.c.

#define DEFAULT_WIDTH   352

Definition at line 96 of file videogen.c.

#define FIX

(

x

)

((int) ((x) * (1L<<SCALEBITS) + 0.5))

Definition at line 30 of file videogen.c.

#define FRAC_BITS   8

Definition at line 170 of file videogen.c.

#define FRAC_ONE   (1 << FRAC_BITS)

Definition at line 171 of file videogen.c.

#define NB_OBJS   10

Definition at line 190 of file videogen.c.

Referenced by gen_image().

#define NOISE_W   26

Definition at line 168 of file videogen.c.

Referenced by gen_image().

#define NOISE_X   10

Definition at line 166 of file videogen.c.

Referenced by gen_image().

#define NOISE_Y   30

Definition at line 167 of file videogen.c.

Referenced by gen_image().

#define ONE_HALF   (1 << (SCALEBITS - 1))

Definition at line 29 of file videogen.c.

#define SCALEBITS   8

Definition at line 28 of file videogen.c.

---

Function Documentation

static void gen_image	(	int	num,
		int	w,
		int	h
	)			[static]

Definition at line 201 of file videogen.c.

static int int_cos

(

int

a

)

[static]

Definition at line 174 of file videogen.c.

int main	(	int	argc,
		char **	argv
	)

Definition at line 265 of file videogen.c.

static unsigned int myrnd	(	unsigned int *	seed_ptr,
		int	n
	)			[static]

Definition at line 151 of file videogen.c.

static void pgmyuv_save	(	const char *	filename,
		int	w,
		int	h,
		unsigned char *	rgb_tab
	)			[static]

Definition at line 100 of file videogen.c.

static void put_pixel	(	int	x,
		int	y,
		int	r,
		int	g,
		int	b
	)			[static]

Definition at line 137 of file videogen.c.

static void rgb24_to_yuv420p	(	uint8_t *	lum,
		uint8_t *	cb,
		uint8_t *	cr,
		uint8_t *	src,
		int	width,
		int	height
	)			[static]

Definition at line 32 of file videogen.c.

---

Variable Documentation

int height

Definition at line 135 of file videogen.c.

VObj objs[NB_OBJS]

Definition at line 197 of file videogen.c.

unsigned char* rgb_tab

Definition at line 134 of file videogen.c.

unsigned int seed = 1

Definition at line 199 of file videogen.c.

Referenced by av_get_random_seed(), ff_wma_init(), fill_noise_buffer(), gen_image(), generate_2_noise_channels(), main(), mxf_gen_umid(), myrnd(), and svq1_parse_string().

int width

Definition at line 135 of file videogen.c.

int wrap

Definition at line 135 of file videogen.c.