vf_noise.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <math.h>
#include "config.h"
#include "mp_msg.h"
#include "cpudetect.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "libvo/fastmemcpy.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"

Go to the source code of this file.

Data Structures
struct	FilterParam
struct	vf_priv_s

Macros
#define	MAX_NOISE   4096
#define	MAX_SHIFT   1024
#define	MAX_RES   (MAX_NOISE-MAX_SHIFT)
#define	RAND_N(range)   ((int) ((double)range*rand()/(RAND_MAX+1.0)))

Functions
static void	lineNoise_C (uint8_t *dst, uint8_t *src, int8_t *noise, int len, int shift)
static void	lineNoiseAvg_C (uint8_t *dst, uint8_t *src, int len, int8_t **shift)
static int8_t *	initNoise (FilterParam *fp)
static void	lineNoise_MMX (uint8_t *dst, uint8_t *src, int8_t *noise, int len, int shift)
static void	lineNoiseAvg_MMX (uint8_t *dst, uint8_t *src, int len, int8_t **shift)
static void	noise (uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int width, int height, FilterParam *fp)
static int	config (struct vf_instance *vf, int width, int height, int d_width, int d_height, unsigned int flags, unsigned int outfmt)
static void	get_image (struct vf_instance *vf, mp_image_t *mpi)
static int	put_image (struct vf_instance *vf, mp_image_t *mpi, double pts)
static void	uninit (struct vf_instance *vf)
static int	query_format (struct vf_instance *vf, unsigned int fmt)
static void	parse (FilterParam *fp, char *args)
static int	vf_open (vf_instance_t *vf, char *args)

Variables
static void(*	lineNoise )(uint8_t *dst, uint8_t *src, int8_t *noise, int len, int shift) = lineNoise_C
static void(*	lineNoiseAvg )(uint8_t *dst, uint8_t *src, int len, int8_t **shift) = lineNoiseAvg_C
static int	nonTempRandShift_init
static int	nonTempRandShift [MAX_RES]
static int	patt [4]
static const unsigned int	fmt_list []
const vf_info_t	ff_vf_info_noise

Macro Definition Documentation

#define MAX_NOISE   4096

Definition at line 42 of file vf_noise.c.

Referenced by initNoise().

#define MAX_SHIFT   1024

Definition at line 43 of file vf_noise.c.

Referenced by initNoise(), and noise().

#define MAX_RES   (MAX_NOISE-MAX_SHIFT)

Definition at line 44 of file vf_noise.c.

Referenced by initNoise().

#define RAND_N

(

range

)

((int) ((double)range*rand()/(RAND_MAX+1.0)))

Definition at line 79 of file vf_noise.c.

Referenced by initNoise().

Function Documentation

static void lineNoise_C ( uint8_t *  dst, uint8_t *  src, int8_t *  noise, int  len, int  shift  )

inlinestatic

Definition at line 207 of file vf_noise.c.

Referenced by lineNoise_MMX().

static void lineNoiseAvg_C ( uint8_t *  dst, uint8_t *  src, int  len, int8_t **  shift  )

inlinestatic

Definition at line 263 of file vf_noise.c.

Referenced by lineNoiseAvg_MMX().

static int8_t* initNoise ( FilterParam *  fp )

static

Definition at line 80 of file vf_noise.c.

Referenced by parse().

static void lineNoise_MMX ( uint8_t *  dst, uint8_t *  src, int8_t *  noise, int  len, int  shift  )

inlinestatic

Definition at line 151 of file vf_noise.c.

Referenced by vf_open().

static void lineNoiseAvg_MMX ( uint8_t *  dst, uint8_t *  src, int  len, int8_t **  shift  )

inlinestatic

Definition at line 222 of file vf_noise.c.

Referenced by vf_open().

static void noise ( uint8_t *  dst, uint8_t *  src, int  dstStride, int  srcStride, int  width, int  height, FilterParam *  fp  )

static

Definition at line 276 of file vf_noise.c.

Referenced by initNoise(), and put_image().

static int config ( struct vf_instance *  vf, int  width, int  height, int  d_width, int  d_height, unsigned int  flags, unsigned int  outfmt  )

static

Definition at line 317 of file vf_noise.c.

Referenced by vf_open().

static void get_image ( struct vf_instance *  vf, mp_image_t *  mpi  )

static

Definition at line 324 of file vf_noise.c.

Referenced by vf_open().

static int put_image ( struct vf_instance *  vf, mp_image_t *  mpi, double  pts  )

static

Definition at line 342 of file vf_noise.c.

Referenced by vf_open().

static void uninit ( struct vf_instance *  vf )

static

Definition at line 371 of file vf_noise.c.

Referenced by vf_open().

static int query_format ( struct vf_instance *  vf, unsigned int  fmt  )

static

Definition at line 386 of file vf_noise.c.

Referenced by vf_open().

static void parse ( FilterParam *  fp, char *  args  )

static

Definition at line 397 of file vf_noise.c.

Referenced by vf_open().

static int vf_open ( vf_instance_t *  vf, char *  args  )

static

Definition at line 428 of file vf_noise.c.

Variable Documentation

void(* lineNoise)(uint8_t *dst, uint8_t *src, int8_t *noise, int len, int shift) = lineNoise_C

static

Definition at line 51 of file vf_noise.c.

Referenced by noise(), and vf_open().

void(* lineNoiseAvg)(uint8_t *dst, uint8_t *src, int len, int8_t **shift) = lineNoiseAvg_C

static

Definition at line 52 of file vf_noise.c.

Referenced by noise(), and vf_open().

int nonTempRandShift_init

static

Definition at line 72 of file vf_noise.c.

Referenced by initNoise().

int nonTempRandShift[MAX_RES]

static

Definition at line 73 of file vf_noise.c.

Referenced by initNoise(), and noise().

int patt[4]

static

Initial value:

= {
    -1,0,1,0
}

Definition at line 75 of file vf_noise.c.

Referenced by initNoise().

const unsigned int fmt_list[]

static

Initial value:

={
    IMGFMT_YV12,
    IMGFMT_I420,
    IMGFMT_IYUV,
    0
}

Definition at line 421 of file vf_noise.c.

const vf_info_t ff_vf_info_noise

Initial value:

= {
    "noise generator",
    "noise",
    "Michael Niedermayer",
    "",
    vf_open,
    NULL
}

Definition at line 466 of file vf_noise.c.