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 "formats.h"
#include "internal.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 AVFilterPad neighbor_outputs []
 
static const AVOption options []
 

Macro Definition Documentation

◆ OFFSET

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

Definition at line 351 of file vf_neighbor.c.

◆ FLAGS

Definition at line 352 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(neighbor_outputs), \
FILTER_PIXFMTS_ARRAY(pix_fmts), \
AVFILTER_FLAG_SLICE_THREADS, \
.process_command = ff_filter_process_command, \
}

Definition at line 354 of file vf_neighbor.c.

◆ DEINFLATE_OPTIONS_OFFSET

#define DEINFLATE_OPTIONS_OFFSET   (CONFIG_EROSION_FILTER || CONFIG_DILATION_FILTER)

Definition at line 370 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 76 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 97 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 119 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 140 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 178 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 211 of file vf_neighbor.c.

Referenced by config_input().

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 228 of file vf_neighbor.c.

◆ filter_slice()

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

Definition at line 257 of file vf_neighbor.c.

Referenced by filter_frame().

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 311 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 335 of file vf_neighbor.c.

◆ neighbor_outputs

const AVFilterPad neighbor_outputs[]
static
Initial value:
= {
{
.name = "default",
},
}

Definition at line 344 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 371 of file vf_neighbor.c.

AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:502
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:481
FLAGS
#define FLAGS
Definition: vf_neighbor.c:352
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_neighbor.c:311
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:494
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:501
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:496
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:459
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:175
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:497
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:439
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:493
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_neighbor.c:228
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:477
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:205
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:475
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:503
OFFSET
#define OFFSET(x)
Definition: vf_neighbor.c:351
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:457
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:443
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:462
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:276
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:471
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:79
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:479
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:480
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:101
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:472
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:500
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:456
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:470
AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:442
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:66
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:190
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:80
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:440
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:478
NULL
#define NULL
Definition: coverity.c:32
neighbor_inputs
static const AVFilterPad neighbor_inputs[]
Definition: vf_neighbor.c:335
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:78
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:460
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:474
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:115
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:464
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:466
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:873
NContext
Definition: vf_neighbor.c:37
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:167
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:498
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:152
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:476
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:100
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:458
AVFilter
Filter definition.
Definition: avfilter.h:171
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_neighbor.c:54
neighbor_outputs
static const AVFilterPad neighbor_outputs[]
Definition: vf_neighbor.c:344
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:495
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:463
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:468
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:499
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
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:71
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:158
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:70
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:73
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:72
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:465
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:469
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:441
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:166
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:467