FFmpeg
Data Structures | Macros | Functions | Variables
vf_neighbor.c File Reference
#include "config_components.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  ThreadData
 Used for passing data between threads. More...
 
struct  NContext
 

Macros

#define OFFSET(x)   offsetof(NContext, x)
 
#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
 
#define DEFINE_NEIGHBOR_FILTER(name_, description_, priv_class_)
 
#define DEINFLATE_OPTIONS_OFFSET   (CONFIG_EROSION_FILTER || CONFIG_DILATION_FILTER)
 

Functions

static void erosion (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
 
static void erosion16 (uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
 
static void dilation (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
 
static void dilation16 (uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
 
static void deflate (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
 
static void deflate16 (uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
 
static void inflate (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
 
static void inflate16 (uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
 
static int config_input (AVFilterLink *inlink)
 
static int filter_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 
 AVFILTER_DEFINE_CLASS_EXT (erosion_dilation, "erosion/dilation", options)
 
 AVFILTER_DEFINE_CLASS_EXT (deflate_inflate, "deflate/inflate", &options[DEINFLATE_OPTIONS_OFFSET])
 

Variables

static enum AVPixelFormat pix_fmts []
 
static const AVFilterPad neighbor_inputs []
 
static const AVOption options []
 

Macro Definition Documentation

◆ OFFSET

#define OFFSET (   x)    offsetof(NContext, x)

Definition at line 343 of file vf_neighbor.c.

◆ FLAGS

Definition at line 344 of file vf_neighbor.c.

◆ DEFINE_NEIGHBOR_FILTER

#define DEFINE_NEIGHBOR_FILTER (   name_,
  description_,
  priv_class_ 
)
Value:
const AVFilter ff_vf_##name_ = { \
.name = #name_, \
.description = NULL_IF_CONFIG_SMALL(description_), \
.priv_class = &priv_class_##_class, \
.priv_size = sizeof(NContext), \
FILTER_OUTPUTS(ff_video_default_filterpad), \
FILTER_PIXFMTS_ARRAY(pix_fmts), \
AVFILTER_FLAG_SLICE_THREADS, \
.process_command = ff_filter_process_command, \
}

Definition at line 346 of file vf_neighbor.c.

◆ DEINFLATE_OPTIONS_OFFSET

#define DEINFLATE_OPTIONS_OFFSET   (CONFIG_EROSION_FILTER || CONFIG_DILATION_FILTER)

Definition at line 362 of file vf_neighbor.c.

Function Documentation

◆ erosion()

static void erosion ( uint8_t *  dst,
const uint8_t *  p1,
int  width,
int  threshold,
const uint8_t *  coordinates[],
int  coord,
int  maxc 
)
static

Definition at line 75 of file vf_neighbor.c.

Referenced by config_input().

◆ erosion16()

static void erosion16 ( uint8_t *  dstp,
const uint8_t *  p1,
int  width,
int  threshold,
const uint8_t *  coordinates[],
int  coord,
int  maxc 
)
static

Definition at line 96 of file vf_neighbor.c.

Referenced by config_input().

◆ dilation()

static void dilation ( uint8_t *  dst,
const uint8_t *  p1,
int  width,
int  threshold,
const uint8_t *  coordinates[],
int  coord,
int  maxc 
)
static

Definition at line 118 of file vf_neighbor.c.

Referenced by config_input().

◆ dilation16()

static void dilation16 ( uint8_t *  dstp,
const uint8_t *  p1,
int  width,
int  threshold,
const uint8_t *  coordinates[],
int  coord,
int  maxc 
)
static

Definition at line 139 of file vf_neighbor.c.

Referenced by config_input().

◆ deflate()

static void deflate ( uint8_t *  dst,
const uint8_t *  p1,
int  width,
int  threshold,
const uint8_t *  coordinates[],
int  coord,
int  maxc 
)
static

◆ deflate16()

static void deflate16 ( uint8_t *  dstp,
const uint8_t *  p1,
int  width,
int  threshold,
const uint8_t *  coordinates[],
int  coord,
int  maxc 
)
static

Definition at line 177 of file vf_neighbor.c.

Referenced by config_input().

◆ inflate()

static void inflate ( uint8_t *  dst,
const uint8_t *  p1,
int  width,
int  threshold,
const uint8_t *  coordinates[],
int  coord,
int  maxc 
)
static

◆ inflate16()

static void inflate16 ( uint8_t *  dstp,
const uint8_t *  p1,
int  width,
int  threshold,
const uint8_t *  coordinates[],
int  coord,
int  maxc 
)
static

Definition at line 210 of file vf_neighbor.c.

Referenced by config_input().

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 227 of file vf_neighbor.c.

◆ filter_slice()

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

Definition at line 256 of file vf_neighbor.c.

Referenced by filter_frame().

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 310 of file vf_neighbor.c.

◆ AVFILTER_DEFINE_CLASS_EXT() [1/2]

AVFILTER_DEFINE_CLASS_EXT ( erosion_dilation  ,
"erosion/dilation ,
options   
)

◆ AVFILTER_DEFINE_CLASS_EXT() [2/2]

AVFILTER_DEFINE_CLASS_EXT ( deflate_inflate  ,
"deflate/inflate ,
options[DEINFLATE_OPTIONS_OFFSET] 
)

Variable Documentation

◆ pix_fmts

enum AVPixelFormat pix_fmts[]
static

◆ neighbor_inputs

const AVFilterPad neighbor_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
.config_props = config_input,
},
}

Definition at line 334 of file vf_neighbor.c.

◆ options

const AVOption options[]
static
Initial value:
= {
{ "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
{ "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
{ "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
{ "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
{ NULL }
}

Definition at line 363 of file vf_neighbor.c.

AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:546
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:525
FLAGS
#define FLAGS
Definition: vf_neighbor.c:344
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_neighbor.c:310
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:538
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: filters.h:262
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:545
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:540
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:502
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:106
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:205
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:541
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:482
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:537
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_neighbor.c:227
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:520
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:212
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:518
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:547
OFFSET
#define OFFSET(x)
Definition: vf_neighbor.c:343
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:500
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:486
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:505
AV_PIX_FMT_YUVJ411P
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:283
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:514
ff_video_default_filterpad
const AVFilterPad ff_video_default_filterpad[1]
An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_VIDEO.
Definition: video.c:37
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:86
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:522
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:523
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:108
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:515
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:544
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:499
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:513
AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:485
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:73
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:87
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:483
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:521
NULL
#define NULL
Definition: coverity.c:32
neighbor_inputs
static const AVFilterPad neighbor_inputs[]
Definition: vf_neighbor.c:334
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:85
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:503
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:81
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:517
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:94
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:507
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:509
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:900
NContext
Definition: vf_neighbor.c:36
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:174
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:542
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:182
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:519
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:107
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:501
AVFilter
Filter definition.
Definition: avfilter.h:201
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_neighbor.c:53
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:539
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:506
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:511
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:72
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:543
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition: opt.h:259
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:78
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:165
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:77
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:80
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:79
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:508
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:512
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:484
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:173
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:510