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.

const vf_info_t vf_info_gradfun

Initial value:

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

Definition at line 404 of file vf_gradfun.c.