vf_floodfill.c File Reference

#include "libavutil/opt.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "filters.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 (const AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same4_16 (const AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same3 (const AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same3_16 (const AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same1 (const AVFrame *frame, int x, int y, unsigned s0, unsigned s1, unsigned s2, unsigned s3)
static int	is_same1_16 (const 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 (const AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel1_16 (const AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel3 (const AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel3_16 (const AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel4 (const AVFrame *frame, int x, int y, int *s0, int *s1, int *s2, int *s3)
static void	pick_pixel4_16 (const 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 void	uninit (AVFilterContext *ctx)
	AVFILTER_DEFINE_CLASS (floodfill)

Variables
static enum AVPixelFormat	pixel_fmts []
static const AVFilterPad	floodfill_inputs []
static const AVOption	floodfill_options []
const AVFilter	ff_vf_floodfill

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(FloodfillContext, x)

Definition at line 387 of file vf_floodfill.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 388 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 53 of file vf_floodfill.c.

Referenced by filter_frame().

is_same4()

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

static

Definition at line 60 of file vf_floodfill.c.

Referenced by config_input().

is_same4_16()

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

static

Definition at line 73 of file vf_floodfill.c.

Referenced by config_input().

is_same3()

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

static

Definition at line 86 of file vf_floodfill.c.

Referenced by config_input().

is_same3_16()

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

static

Definition at line 98 of file vf_floodfill.c.

Referenced by config_input().

is_same1()

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

static

Definition at line 110 of file vf_floodfill.c.

Referenced by config_input().

is_same1_16()

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

static

Definition at line 120 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 130 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 136 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 142 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 150 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 158 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 167 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel1()

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

static

Definition at line 176 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel1_16()

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

static

Definition at line 183 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel3()

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

static

Definition at line 190 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel3_16()

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

static

Definition at line 201 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel4()

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

static

Definition at line 212 of file vf_floodfill.c.

Referenced by config_input().

pick_pixel4_16()

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

static

Definition at line 225 of file vf_floodfill.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 238 of file vf_floodfill.c.

filter_frame()

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

static

Definition at line 281 of file vf_floodfill.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 371 of file vf_floodfill.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

floodfill

)

Variable Documentation

pixel_fmts

enum AVPixelFormat pixel_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA444P,
    AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
    AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_GBRAP16, AV_PIX_FMT_GBRAP,
    AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUVA444P10,
    AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16,
    AV_PIX_FMT_NONE
}

Definition at line 360 of file vf_floodfill.c.

floodfill_inputs

const AVFilterPad floodfill_inputs[]

static

Initial value:

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

Definition at line 378 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(s[0]), AV_OPT_TYPE_INT, {.i64=0},-1, UINT16_MAX, FLAGS },
    { "s1", "set source #1 component value",      OFFSET(s[1]), AV_OPT_TYPE_INT, {.i64=0},-1, UINT16_MAX, FLAGS },
    { "s2", "set source #2 component value",      OFFSET(s[2]), AV_OPT_TYPE_INT, {.i64=0},-1, UINT16_MAX, FLAGS },
    { "s3", "set source #3 component value",      OFFSET(s[3]), AV_OPT_TYPE_INT, {.i64=0},-1, UINT16_MAX, FLAGS },
    { "d0", "set destination #0 component value", OFFSET(d[0]), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { "d1", "set destination #1 component value", OFFSET(d[1]), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { "d2", "set destination #2 component value", OFFSET(d[2]), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { "d3", "set destination #3 component value", OFFSET(d[3]), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT16_MAX, FLAGS },
    { NULL }
}

Definition at line 390 of file vf_floodfill.c.

ff_vf_floodfill

const 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,
    .uninit        = uninit,
    FILTER_INPUTS(floodfill_inputs),
    FILTER_OUTPUTS(ff_video_default_filterpad),
    FILTER_PIXFMTS_ARRAY(pixel_fmts),
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 406 of file vf_floodfill.c.