vf_floodfill.c File Reference

#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	Points
struct	FloodfillContext

Macros
#define	OFFSET(x)   offsetof(FloodfillContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
static int	is_inside (int x, int y, int w, int h)
static int	is_same4 (AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same4_16 (AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same3 (AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same3_16 (AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same1 (AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same1_16 (AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static void	set_pixel1 (AVFrame *frame, int x, int y, unsigned d0, unsigned d1, unsigned d2, unsigned d3)
static void	set_pixel1_16 (AVFrame *frame, int x, int y, unsigned d0, unsigned d1, unsigned d2, unsigned d3)
static void	set_pixel3 (AVFrame *frame, int x, int y, unsigned d0, unsigned d1, unsigned d2, unsigned d3)
static void	set_pixel3_16 (AVFrame *frame, int x, int y, unsigned d0, unsigned d1, unsigned d2, unsigned d3)
static void	set_pixel4 (AVFrame *frame, int x, int y, unsigned d0, unsigned d1, unsigned d2, unsigned d3)
static void	set_pixel4_16 (AVFrame *frame, int x, int y, unsigned d0, unsigned d1, unsigned d2, unsigned d3)
static void	pick_pixel1 (AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel1_16 (AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel3 (AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel3_16 (AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel4 (AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel4_16 (AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *link, AVFrame *frame)
static av_cold int	query_formats (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)
	AVFILTER_DEFINE_CLASS (floodfill)

Variables
static const AVFilterPad	floodfill_inputs []
static const AVFilterPad	floodfill_outputs []
static const AVOption	floodfill_options []
AVFilter	ff_vf_floodfill

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(FloodfillContext, x)

Definition at line 404 of file vf_floodfill.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 405 of file vf_floodfill.c.

Function Documentation

is_inside()

static int is_inside ( int  x, int  y, int  w, int  h  )

static

Definition at line 51 of file vf_floodfill.c.

Referenced by filter_frame().

is_same4()

static int is_same4 ( AVFrame *  frame, int  x, int  y, unsigned  s0, unsigned  s1, unsigned  s2, unsigned  s3  )

static

Definition at line 58 of file vf_floodfill.c.

Referenced by config_input().

is_same4_16()

static int is_same4_16 ( AVFrame *  frame, int  x, int  y, unsigned  s0, unsigned  s1, unsigned  s2, unsigned  s3  )

static

Definition at line 71 of file vf_floodfill.c.

Referenced by config_input().

is_same3()

static int is_same3 ( AVFrame *  frame, int  x, int  y, unsigned  s0, unsigned  s1, unsigned  s2, unsigned  s3  )

static

Definition at line 84 of file vf_floodfill.c.

Referenced by config_input().

is_same3_16()

static int is_same3_16 ( AVFrame *  frame, int  x, int  y, unsigned  s0, unsigned  s1, unsigned  s2, unsigned  s3  )

static

Definition at line 96 of file vf_floodfill.c.

Referenced by config_input().

is_same1()

static int is_same1 ( AVFrame *  frame, int  x, int  y, unsigned  s0, unsigned  s1, unsigned  s2, unsigned  s3  )

static

Definition at line 108 of file vf_floodfill.c.

Referenced by config_input().

is_same1_16()

static int is_same1_16 ( AVFrame *  frame, int  x, int  y, unsigned  s0, unsigned  s1, unsigned  s2, unsigned  s3  )

static

Definition at line 118 of file vf_floodfill.c.

Referenced by config_input().

set_pixel1()

static void set_pixel1 ( AVFrame *  frame, int  x, int  y, unsigned  d0, unsigned  d1, unsigned  d2, unsigned  d3  )

static

Definition at line 128 of file vf_floodfill.c.

Referenced by config_input().

set_pixel1_16()

static void set_pixel1_16 ( AVFrame *  frame, int  x, int  y, unsigned  d0, unsigned  d1, unsigned  d2, unsigned  d3  )

static

Definition at line 134 of file vf_floodfill.c.

Referenced by config_input().

set_pixel3()

static void set_pixel3 ( AVFrame *  frame, int  x, int  y, unsigned  d0, unsigned  d1, unsigned  d2, unsigned  d3  )

static

Definition at line 140 of file vf_floodfill.c.

Referenced by config_input().

set_pixel3_16()

static void set_pixel3_16 ( AVFrame *  frame, int  x, int  y, unsigned  d0, unsigned  d1, unsigned  d2, unsigned  d3  )

static

Definition at line 148 of file vf_floodfill.c.

Referenced by config_input().

set_pixel4()

static void set_pixel4 ( AVFrame *  frame, int  x, int  y, unsigned  d0, unsigned  d1, unsigned  d2, unsigned  d3  )

static

Definition at line 156 of file vf_floodfill.c.

Referenced by config_input().

set_pixel4_16()

static void set_pixel4_16 ( AVFrame *  frame, int  x, int  y, unsigned  d0, unsigned  d1, unsigned  d2, unsigned  d3  )

static

Definition at line 165 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel1()

static void pick_pixel1 ( AVFrame *  frame, int  x, int  y, int *  s0, int *  s1, int *  s2, int *  s3  )

static

Definition at line 174 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel1_16()

static void pick_pixel1_16 ( AVFrame *  frame, int  x, int  y, int *  s0, int *  s1, int *  s2, int *  s3  )

static

Definition at line 181 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel3()

static void pick_pixel3 ( AVFrame *  frame, int  x, int  y, int *  s0, int *  s1, int *  s2, int *  s3  )

static

Definition at line 188 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel3_16()

static void pick_pixel3_16 ( AVFrame *  frame, int  x, int  y, int *  s0, int *  s1, int *  s2, int *  s3  )

static

Definition at line 199 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel4()

static void pick_pixel4 ( AVFrame *  frame, int  x, int  y, int *  s0, int *  s1, int *  s2, int *  s3  )

static

Definition at line 210 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel4_16()

static void pick_pixel4_16 ( AVFrame *  frame, int  x, int  y, int *  s0, int *  s1, int *  s2, int *  s3  )

static

Definition at line 223 of file vf_floodfill.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 236 of file vf_floodfill.c.

filter_frame()

static int filter_frame ( AVFilterLink *  link, AVFrame *  frame  )

static

Definition at line 279 of file vf_floodfill.c.

query_formats()

static av_cold int query_formats ( AVFilterContext *  ctx )

static

Definition at line 343 of file vf_floodfill.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 379 of file vf_floodfill.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

floodfill

)

Variable Documentation

floodfill_inputs

const AVFilterPad floodfill_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = filter_frame,
        .config_props = config_input,
    },
    { NULL }
}

Definition at line 386 of file vf_floodfill.c.

floodfill_outputs

const AVFilterPad floodfill_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
}

Definition at line 396 of file vf_floodfill.c.

floodfill_options

const AVOption floodfill_options[]

static

Initial value:

= {
    { "x",  "set pixel x coordinate",             OFFSET(x),  AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { "y",  "set pixel y coordinate",             OFFSET(y),  AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { "s0", "set source #0 component value",      OFFSET(s0), AV_OPT_TYPE_INT, {.i64=0},-1, UINT16_MAX, FLAGS },
    { "s1", "set source #1 component value",      OFFSET(s1), AV_OPT_TYPE_INT, {.i64=0},-1, UINT16_MAX, FLAGS },
    { "s2", "set source #2 component value",      OFFSET(s2), AV_OPT_TYPE_INT, {.i64=0},-1, UINT16_MAX, FLAGS },
    { "s3", "set source #3 component value",      OFFSET(s3), AV_OPT_TYPE_INT, {.i64=0},-1, UINT16_MAX, FLAGS },
    { "d0", "set destination #0 component value", OFFSET(d0), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { "d1", "set destination #1 component value", OFFSET(d1), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { "d2", "set destination #2 component value", OFFSET(d2), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { "d3", "set destination #3 component value", OFFSET(d3), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { NULL }
}

Definition at line 407 of file vf_floodfill.c.

ff_vf_floodfill

AVFilter ff_vf_floodfill

Initial value:

= {
    .name          = "floodfill",
    .description   = NULL_IF_CONFIG_SMALL("Fill area with same color with another color."),
    .priv_size     = sizeof(FloodfillContext),
    .priv_class    = &floodfill_class,
    .query_formats = query_formats,
    .uninit        = uninit,
    .inputs        = floodfill_inputs,
    .outputs       = floodfill_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 423 of file vf_floodfill.c.