libavfilter/libmpcodecs/vf_gradfun.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "config.h"
#include "cpudetect.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "libvo/fastmemcpy.h"
#include "libavutil/avutil.h"
#include "libavutil/x86_cpu.h"

Go to the source code of this file.

Data Structures

struct  vf_priv_s
 Stores persistant variables. More...

Functions

static void filter_line_c (uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
static void blur_line_c (uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int sstride, int width)
static void filter (struct vf_priv_s *ctx, uint8_t *dst, uint8_t *src, int width, int height, int dstride, int sstride, int r)
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 int query_format (struct vf_instance *vf, unsigned int fmt)
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 uninit (struct vf_instance *vf)
static int vf_open (vf_instance_t *vf, char *args)

Variables

static const uint16_t pw_7f [8] = {127,127,127,127,127,127,127,127}
static const uint16_t pw_ff [8] = {255,255,255,255,255,255,255,255}
static const uint16_t dither [8][8]
const vf_info_t vf_info_gradfun


Function Documentation

static void blur_line_c ( uint16_t *  dc,
uint16_t *  buf,
uint16_t *  buf1,
uint8_t *  src,
int  sstride,
int  width 
) [static]

Definition at line 82 of file vf_gradfun.c.

Referenced by vf_open().

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 352 of file vf_gradfun.c.

static void filter ( struct vf_priv_s ctx,
uint8_t *  dst,
uint8_t *  src,
int  width,
int  height,
int  dstride,
int  sstride,
int  r 
) [static]

Definition at line 236 of file vf_gradfun.c.

static void filter_line_c ( uint8_t *  dst,
uint8_t *  src,
uint16_t *  dc,
int  width,
int  thresh,
const uint16_t *  dithers 
) [static]

Definition at line 67 of file vf_gradfun.c.

Referenced by init(), and vf_open().

static void get_image ( struct vf_instance vf,
mp_image_t mpi 
) [static]

Definition at line 278 of file vf_gradfun.c.

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

Definition at line 296 of file vf_gradfun.c.

static int query_format ( struct vf_instance vf,
unsigned int  fmt 
) [static]

Definition at line 330 of file vf_gradfun.c.

static void uninit ( struct vf_instance vf  )  [static]

Definition at line 361 of file vf_gradfun.c.

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

Definition at line 369 of file vf_gradfun.c.


Variable Documentation

const uint16_t dither[8][8] [static]

Initial value:

 {
    {  0, 96, 24,120,  6,102, 30,126 },
    { 64, 32, 88, 56, 70, 38, 94, 62 },
    { 16,112,  8,104, 22,118, 14,110 },
    { 80, 48, 72, 40, 86, 54, 78, 46 },
    {  4,100, 28,124,  2, 98, 26,122 },
    { 68, 36, 92, 60, 66, 34, 90, 58 },
    { 20,116, 12,108, 18,114, 10,106 },
    { 84, 52, 76, 44, 82, 50, 74, 42 },
}

Definition at line 56 of file vf_gradfun.c.

const uint16_t pw_7f[8] = {127,127,127,127,127,127,127,127} [static]

Definition at line 54 of file vf_gradfun.c.

const uint16_t pw_ff[8] = {255,255,255,255,255,255,255,255} [static]

Definition at line 55 of file vf_gradfun.c.

Initial value:

 {
    "gradient deband",
    "gradfun",
    "Loren Merritt",
    "",
    vf_open,
    NULL
}

Definition at line 404 of file vf_gradfun.c.


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