vf_morpho.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "framesync.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	IPlane
struct	LUT
struct	chord
struct	chord_set
struct	MorphoContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	MAX_THREADS   64
#define	OFFSET(x)   offsetof(MorphoContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Enumerations
enum	MorphModes {   ERODE, DILATE, OPEN, CLOSE,   GRADIENT, TOPHAT, BLACKHAT, NB_MODES }

Functions
	FRAMESYNC_DEFINE_CLASS (morpho, MorphoContext, fs)
static void	min_fun (uint8_t *c, const uint8_t *a, const uint8_t *b, int x)
static void	mininplace_fun (uint8_t *a, const uint8_t *b, int x)
static void	max_fun (uint8_t *c, const uint8_t *a, const uint8_t *b, int x)
static void	maxinplace_fun (uint8_t *a, const uint8_t *b, int x)
static void	diff_fun (uint8_t *a, const uint8_t *b, int x)
static void	diffinplace_fun (uint8_t *a, const uint8_t *b, int x)
static void	min16_fun (uint8_t *cc, const uint8_t *aa, const uint8_t *bb, int x)
static void	mininplace16_fun (uint8_t *aa, const uint8_t *bb, int x)
static void	diff16_fun (uint8_t *aa, const uint8_t *bb, int x)
static void	diffinplace16_fun (uint8_t *aa, const uint8_t *bb, int x)
static void	max16_fun (uint8_t *cc, const uint8_t *aa, const uint8_t *bb, int x)
static void	maxinplace16_fun (uint8_t *aa, const uint8_t *bb, int x)
static int	alloc_lut (LUT *Ty, chord_set *SE, int type_size, int mode)
static void	free_lut (LUT *table)
static int	alloc_lut_if_necessary (LUT *Ty, IPlane *f, chord_set *SE, int num, enum MorphModes mode)
static void	circular_swap (LUT *Ty)
static void	compute_min_row (IPlane *f, LUT *Ty, chord_set *SE, int r, int y)
static void	update_min_lut (IPlane *f, LUT *Ty, chord_set *SE, int y, int tid, int num)
static int	compute_min_lut (LUT *Ty, IPlane *f, chord_set *SE, int y, int num)
static void	compute_max_row (IPlane *f, LUT *Ty, chord_set *SE, int r, int y)
static void	update_max_lut (IPlane *f, LUT *Ty, chord_set *SE, int y, int tid, int num)
static int	compute_max_lut (LUT *Ty, IPlane *f, chord_set *SE, int y, int num)
static void	line_dilate (IPlane *g, LUT *Ty, chord_set *SE, int y, int tid)
static void	line_erode (IPlane *g, LUT *Ty, chord_set *SE, int y, int tid)
static int	dilate (IPlane *g, IPlane *f, chord_set *SE, LUT *Ty, int y0, int y1)
static int	erode (IPlane *g, IPlane *f, chord_set *SE, LUT *Ty, int y0, int y1)
static void	difference (IPlane *g, IPlane *f, int y0, int y1)
static void	difference2 (IPlane *g, IPlane *f, int y0, int y1)
static int	insert_chord_set (chord_set *chords, chord c)
static void	free_chord_set (chord_set *SE)
static int	init_chordset (chord_set *chords)
static int	comp_chord_length (const void *p, const void *q)
static int	comp_chord (const void *p, const void *q)
static int	build_chord_set (IPlane *SE, chord_set *chords)
static void	free_iplane (IPlane *imp)
static int	read_iplane (IPlane *imp, const uint8_t *dst, int dst_linesize, int w, int h, int R, int type_size, int depth)
static int	config_input (AVFilterLink *inlink)
static int	config_input_structure (AVFilterLink *inlink)
static int	activate (AVFilterContext *ctx)
static int	morpho_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	morpho_sliceX (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	do_morpho (FFFrameSync *fs)
static int	config_output (AVFilterLink *outlink)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	morpho_options []
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	morpho_inputs []
static const AVFilterPad	morpho_outputs []
const AVFilter	ff_vf_morpho

Macro Definition Documentation

MAX_THREADS

#define MAX_THREADS   64

Definition at line 97 of file vf_morpho.c.

OFFSET

#define OFFSET

(

x

)

offsetof(MorphoContext, x)

Definition at line 127 of file vf_morpho.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 128 of file vf_morpho.c.

Enumeration Type Documentation

MorphModes

enum MorphModes

Enumerator
ERODE
DILATE
OPEN
CLOSE
GRADIENT
TOPHAT
BLACKHAT
NB_MODES

Definition at line 36 of file vf_morpho.c.

Function Documentation

FRAMESYNC_DEFINE_CLASS()

FRAMESYNC_DEFINE_CLASS	(	morpho	,
		MorphoContext	,
		fs
	)

min_fun()

static void min_fun ( uint8_t *  c, const uint8_t *  a, const uint8_t *  b, int  x  )

static

Definition at line 170 of file vf_morpho.c.

Referenced by read_iplane().

mininplace_fun()

static void mininplace_fun ( uint8_t *  a, const uint8_t *  b, int  x  )

static

Definition at line 176 of file vf_morpho.c.

Referenced by read_iplane().

max_fun()

static void max_fun ( uint8_t *  c, const uint8_t *  a, const uint8_t *  b, int  x  )

static

Definition at line 182 of file vf_morpho.c.

Referenced by read_iplane().

maxinplace_fun()

static void maxinplace_fun ( uint8_t *  a, const uint8_t *  b, int  x  )

static

Definition at line 188 of file vf_morpho.c.

Referenced by read_iplane().

diff_fun()

static void diff_fun ( uint8_t *  a, const uint8_t *  b, int  x  )

static

Definition at line 194 of file vf_morpho.c.

Referenced by read_iplane().

diffinplace_fun()

static void diffinplace_fun ( uint8_t *  a, const uint8_t *  b, int  x  )

static

Definition at line 200 of file vf_morpho.c.

Referenced by read_iplane().

min16_fun()

static void min16_fun ( uint8_t *  cc, const uint8_t *  aa, const uint8_t *  bb, int  x  )

static

Definition at line 206 of file vf_morpho.c.

Referenced by read_iplane().

mininplace16_fun()

static void mininplace16_fun ( uint8_t *  aa, const uint8_t *  bb, int  x  )

static

Definition at line 216 of file vf_morpho.c.

Referenced by read_iplane().

diff16_fun()

static void diff16_fun ( uint8_t *  aa, const uint8_t *  bb, int  x  )

static

Definition at line 225 of file vf_morpho.c.

Referenced by read_iplane().

diffinplace16_fun()

static void diffinplace16_fun ( uint8_t *  aa, const uint8_t *  bb, int  x  )

static

Definition at line 234 of file vf_morpho.c.

Referenced by read_iplane().

max16_fun()

static void max16_fun ( uint8_t *  cc, const uint8_t *  aa, const uint8_t *  bb, int  x  )

static

Definition at line 243 of file vf_morpho.c.

Referenced by read_iplane().

maxinplace16_fun()

static void maxinplace16_fun ( uint8_t *  aa, const uint8_t *  bb, int  x  )

static

Definition at line 253 of file vf_morpho.c.

Referenced by read_iplane().

alloc_lut()

static int alloc_lut ( LUT *  Ty, chord_set *  SE, int  type_size, int  mode  )

static

Definition at line 262 of file vf_morpho.c.

Referenced by alloc_lut_if_necessary().

free_lut()

static void free_lut ( LUT *  table )

static

Definition at line 298 of file vf_morpho.c.

Referenced by alloc_lut_if_necessary(), and uninit().

alloc_lut_if_necessary()

static int alloc_lut_if_necessary ( LUT *  Ty, IPlane *  f, chord_set *  SE, int  num, enum MorphModes  mode  )

static

Definition at line 321 of file vf_morpho.c.

Referenced by compute_max_lut(), and compute_min_lut().

circular_swap()

static void circular_swap ( LUT *  Ty )

static

Definition at line 344 of file vf_morpho.c.

Referenced by update_max_lut(), and update_min_lut().

compute_min_row()

static void compute_min_row ( IPlane *  f, LUT *  Ty, chord_set *  SE, int  r, int  y  )

static

Definition at line 360 of file vf_morpho.c.

Referenced by compute_min_lut(), and update_min_lut().

update_min_lut()

static void update_min_lut ( IPlane *  f, LUT *  Ty, chord_set *  SE, int  y, int  tid, int  num  )

static

Definition at line 381 of file vf_morpho.c.

Referenced by erode().

compute_min_lut()

static int compute_min_lut ( LUT *  Ty, IPlane *  f, chord_set *  SE, int  y, int  num  )

static

Definition at line 389 of file vf_morpho.c.

Referenced by erode().

compute_max_row()

static void compute_max_row ( IPlane *  f, LUT *  Ty, chord_set *  SE, int  r, int  y  )

static

Definition at line 401 of file vf_morpho.c.

Referenced by compute_max_lut(), and update_max_lut().

update_max_lut()

static void update_max_lut ( IPlane *  f, LUT *  Ty, chord_set *  SE, int  y, int  tid, int  num  )

static

Definition at line 422 of file vf_morpho.c.

Referenced by dilate().

compute_max_lut()

static int compute_max_lut ( LUT *  Ty, IPlane *  f, chord_set *  SE, int  y, int  num  )

static

Definition at line 430 of file vf_morpho.c.

Referenced by dilate().

line_dilate()

static void line_dilate ( IPlane *  g, LUT *  Ty, chord_set *  SE, int  y, int  tid  )

static

Definition at line 442 of file vf_morpho.c.

Referenced by dilate().

line_erode()

static void line_erode ( IPlane *  g, LUT *  Ty, chord_set *  SE, int  y, int  tid  )

static

Definition at line 453 of file vf_morpho.c.

Referenced by erode().

dilate()

static int dilate ( IPlane *  g, IPlane *  f, chord_set *  SE, LUT *  Ty, int  y0, int  y1  )

static

Definition at line 464 of file vf_morpho.c.

Referenced by dilate_end_frame_filter(), dilate_init(), dilate_uninit(), erode_end_frame_filter(), morpho_slice(), and morpho_sliceX().

erode()

static int erode ( IPlane *  g, IPlane *  f, chord_set *  SE, LUT *  Ty, int  y0, int  y1  )

static

Definition at line 479 of file vf_morpho.c.

Referenced by morpho_slice(), and morpho_sliceX().

difference()

static void difference ( IPlane *  g, IPlane *  f, int  y0, int  y1  )

static

Definition at line 494 of file vf_morpho.c.

Referenced by checkasm_check_blend(), and morpho_sliceX().

difference2()

static void difference2 ( IPlane *  g, IPlane *  f, int  y0, int  y1  )

static

Definition at line 500 of file vf_morpho.c.

Referenced by morpho_sliceX().

insert_chord_set()

static int insert_chord_set ( chord_set *  chords, chord  c  )

static

Definition at line 506 of file vf_morpho.c.

Referenced by build_chord_set().

free_chord_set()

static void free_chord_set ( chord_set *  SE )

static

Definition at line 531 of file vf_morpho.c.

Referenced by do_morpho(), and uninit().

init_chordset()

static int init_chordset ( chord_set *  chords )

static

Definition at line 541 of file vf_morpho.c.

Referenced by build_chord_set().

comp_chord_length()

static int comp_chord_length ( const void *  p, const void *  q  )

static

Definition at line 558 of file vf_morpho.c.

Referenced by build_chord_set().

comp_chord()

static int comp_chord ( const void *  p, const void *  q  )

static

Definition at line 567 of file vf_morpho.c.

Referenced by build_chord_set().

build_chord_set()

static int build_chord_set ( IPlane *  SE, chord_set *  chords  )

static

Definition at line 576 of file vf_morpho.c.

Referenced by do_morpho().

free_iplane()

static void free_iplane ( IPlane *  imp )

static

Definition at line 720 of file vf_morpho.c.

Referenced by uninit().

read_iplane()

static int read_iplane ( IPlane *  imp, const uint8_t *  dst, int  dst_linesize, int  w, int  h, int  R, int  type_size, int  depth  )

static

Definition at line 725 of file vf_morpho.c.

Referenced by do_morpho().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 751 of file vf_morpho.c.

config_input_structure()

static int config_input_structure ( AVFilterLink *  inlink )

static

Definition at line 767 of file vf_morpho.c.

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 783 of file vf_morpho.c.

morpho_slice()

static int morpho_slice ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 793 of file vf_morpho.c.

Referenced by do_morpho().

morpho_sliceX()

static int morpho_sliceX ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 852 of file vf_morpho.c.

Referenced by do_morpho().

do_morpho()

static int do_morpho ( FFFrameSync *  fs )

static

Definition at line 909 of file vf_morpho.c.

Referenced by config_output().

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 999 of file vf_morpho.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 1032 of file vf_morpho.c.

Variable Documentation

morpho_options

const AVOption morpho_options[]

static

Initial value:

= {
    { "mode",  "set morphological transform",                 OFFSET(mode),       AV_OPT_TYPE_INT,   {.i64=0}, 0, NB_MODES-1, FLAGS, .unit = "mode" },
    { "erode",  NULL,                                         0,                  AV_OPT_TYPE_CONST, {.i64=ERODE},  0,  0, FLAGS, .unit = "mode" },
    { "dilate", NULL,                                         0,                  AV_OPT_TYPE_CONST, {.i64=DILATE}, 0,  0, FLAGS, .unit = "mode" },
    { "open",   NULL,                                         0,                  AV_OPT_TYPE_CONST, {.i64=OPEN},   0,  0, FLAGS, .unit = "mode" },
    { "close",  NULL,                                         0,                  AV_OPT_TYPE_CONST, {.i64=CLOSE},  0,  0, FLAGS, .unit = "mode" },
    { "gradient",NULL,                                        0,                  AV_OPT_TYPE_CONST, {.i64=GRADIENT},0, 0, FLAGS, .unit = "mode" },
    { "tophat",NULL,                                          0,                  AV_OPT_TYPE_CONST, {.i64=TOPHAT},  0, 0, FLAGS, .unit = "mode" },
    { "blackhat",NULL,                                        0,                  AV_OPT_TYPE_CONST, {.i64=BLACKHAT},0, 0, FLAGS, .unit = "mode" },
    { "planes",  "set planes to filter",                      OFFSET(planes),     AV_OPT_TYPE_INT,   {.i64=7}, 0, 15, FLAGS },
    { "structure", "when to process structures",              OFFSET(structures), AV_OPT_TYPE_INT,   {.i64=1}, 0,  1, FLAGS, .unit = "str" },
    {   "first", "process only first structure, ignore rest", 0,                  AV_OPT_TYPE_CONST, {.i64=0}, 0,  0, FLAGS, .unit = "str" },
    {   "all",   "process all structure",                     0,                  AV_OPT_TYPE_CONST, {.i64=1}, 0,  0, FLAGS, .unit = "str" },
    { NULL }
}

Definition at line 130 of file vf_morpho.c.

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
    AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
    AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
    AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
    AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9,
    AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_GBRP9,
    AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
    AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
    AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
    AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
    AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
    AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12,
    AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
    AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
    AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_NONE
}

Definition at line 148 of file vf_morpho.c.

morpho_inputs

const AVFilterPad morpho_inputs[]

static

Initial value:

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

Definition at line 1055 of file vf_morpho.c.

morpho_outputs

const AVFilterPad morpho_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_output,
    },
}

Definition at line 1068 of file vf_morpho.c.

ff_vf_morpho

const AVFilter ff_vf_morpho

Initial value:

= {
    .name            = "morpho",
    .description     = NULL_IF_CONFIG_SMALL("Apply Morphological filter."),
    .preinit         = morpho_framesync_preinit,
    .priv_size       = sizeof(MorphoContext),
    .priv_class      = &morpho_class,
    .activate        = activate,
    .uninit          = uninit,
    FILTER_INPUTS(morpho_inputs),
    FILTER_OUTPUTS(morpho_outputs),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
    .flags           = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
                       AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 1076 of file vf_morpho.c.