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vf_median.c File Reference
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "filters.h"
#include "median.h"
#include "video.h"
#include "median_template.c"

Go to the source code of this file.

Data Structures

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

Macros

#define DEPTH   8
 
#define DEPTH   9
 
#define DEPTH   10
 
#define DEPTH   12
 
#define DEPTH   14
 
#define DEPTH   16
 
#define OFFSET(x)
 
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
 

Functions

 AVFILTER_DEFINE_CLASS (median)
 
static void hadd (htype *dst, const htype *src, int bins)
 
static void hsub (htype *dst, const htype *src, int bins)
 
static void hmuladd (htype *dst, const htype *src, int f, int bins)
 
static void check_params (MedianContext *s, AVFilterLink *inlink)
 
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)
 
static av_cold void uninit (AVFilterContext *ctx)
 
static int process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
 

Variables

static const AVOption median_options []
 
static enum AVPixelFormat pix_fmts []
 
static const AVFilterPad median_inputs []
 
const FFFilter ff_vf_median
 

Macro Definition Documentation

◆ DEPTH [1/6]

#define DEPTH   8

Definition at line 32 of file vf_median.c.

◆ DEPTH [2/6]

#define DEPTH   9

Definition at line 32 of file vf_median.c.

◆ DEPTH [3/6]

#define DEPTH   10

Definition at line 32 of file vf_median.c.

◆ DEPTH [4/6]

#define DEPTH   12

Definition at line 32 of file vf_median.c.

◆ DEPTH [5/6]

#define DEPTH   14

Definition at line 32 of file vf_median.c.

◆ DEPTH [6/6]

#define DEPTH   16

Definition at line 32 of file vf_median.c.

◆ OFFSET

#define OFFSET ( x)
Value:
offsetof(MedianContext, x)

Definition at line 55 of file vf_median.c.

◆ FLAGS

Function Documentation

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( median )

◆ hadd()

static void hadd ( htype * dst,
const htype * src,
int bins )
static

Definition at line 68 of file vf_median.c.

Referenced by config_input().

◆ hsub()

◆ hmuladd()

static void hmuladd ( htype * dst,
const htype * src,
int f,
int bins )
static

Definition at line 80 of file vf_median.c.

Referenced by config_input().

◆ check_params()

static void check_params ( MedianContext * s,
AVFilterLink * inlink )
static

Definition at line 108 of file vf_median.c.

Referenced by config_input(), and process_command().

◆ config_input()

static int config_input ( AVFilterLink * inlink)
static

Definition at line 128 of file vf_median.c.

◆ filter_slice()

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

Definition at line 179 of file vf_median.c.

◆ filter_frame()

static int filter_frame ( AVFilterLink * inlink,
AVFrame * in )
static

Definition at line 212 of file vf_median.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext * ctx)
static

Definition at line 234 of file vf_median.c.

◆ process_command()

static int process_command ( AVFilterContext * ctx,
const char * cmd,
const char * args,
char * res,
int res_len,
int flags )
static

Definition at line 247 of file vf_median.c.

Variable Documentation

◆ median_options

const AVOption median_options[]
static
Initial value:
= {
{ "radius", "set median radius", OFFSET(radius), AV_OPT_TYPE_INT, {.i64=1}, 1, 127, FLAGS },
{ "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
{ "radiusV", "set median vertical radius", OFFSET(radiusV), AV_OPT_TYPE_INT, {.i64=0},0, 127, FLAGS },
{ "percentile", "set median percentile", OFFSET(percentile), AV_OPT_TYPE_FLOAT, {.dbl=.5}, 0., 1., FLAGS },
{ NULL }
}
#define FLAGS
Definition cmdutils.c:598
#define NULL
Definition coverity.c:32
#define OFFSET(x)
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition opt.h:258
@ AV_OPT_TYPE_FLOAT
Underlying C type is float.
Definition opt.h:270
static const struct @257111027162314367033347246032313251342043035002 planes[]

Definition at line 58 of file vf_median.c.

◆ pix_fmts

enum AVPixelFormat pix_fmts[]
static
Initial value:
= {
}
#define AV_PIX_FMT_GBRAP12
Definition pixfmt.h:569
#define AV_PIX_FMT_YUV420P16
Definition pixfmt.h:556
#define AV_PIX_FMT_YUV444P12
Definition pixfmt.h:552
#define AV_PIX_FMT_YUV444P9
Definition pixfmt.h:544
#define AV_PIX_FMT_YUV420P10
Definition pixfmt.h:545
#define AV_PIX_FMT_YUV440P12
Definition pixfmt.h:551
#define AV_PIX_FMT_GRAY9
Definition pixfmt.h:524
#define AV_PIX_FMT_GBRAP16
Definition pixfmt.h:571
#define AV_PIX_FMT_GBRP9
Definition pixfmt.h:563
#define AV_PIX_FMT_YUV422P9
Definition pixfmt.h:543
#define AV_PIX_FMT_YUVA444P10
Definition pixfmt.h:598
#define AV_PIX_FMT_YUVA420P16
Definition pixfmt.h:601
#define AV_PIX_FMT_YUV420P12
Definition pixfmt.h:549
#define AV_PIX_FMT_YUVA420P10
Definition pixfmt.h:596
#define AV_PIX_FMT_YUVA422P9
Definition pixfmt.h:594
#define AV_PIX_FMT_YUV422P12
Definition pixfmt.h:550
#define AV_PIX_FMT_GBRP10
Definition pixfmt.h:564
#define AV_PIX_FMT_YUV422P10
Definition pixfmt.h:546
#define AV_PIX_FMT_GRAY12
Definition pixfmt.h:526
#define AV_PIX_FMT_GBRP12
Definition pixfmt.h:565
#define AV_PIX_FMT_YUV420P9
Definition pixfmt.h:542
#define AV_PIX_FMT_YUVA420P9
Definition pixfmt.h:593
#define AV_PIX_FMT_YUVA422P10
Definition pixfmt.h:597
#define AV_PIX_FMT_YUV420P14
Definition pixfmt.h:553
@ AV_PIX_FMT_NONE
Definition pixfmt.h:72
@ 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_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition pixfmt.h:106
@ 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_GRAY8
Y , 8bpp.
Definition pixfmt.h:81
@ 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_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_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition pixfmt.h:79
@ 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_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition pixfmt.h:78
@ 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_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_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition pixfmt.h:212
@ 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_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition pixfmt.h:173
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition pixfmt.h:165
@ 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_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
#define AV_PIX_FMT_YUVA422P12
Definition pixfmt.h:599
#define AV_PIX_FMT_YUV422P14
Definition pixfmt.h:554
#define AV_PIX_FMT_GRAY10
Definition pixfmt.h:525
#define AV_PIX_FMT_GRAY14
Definition pixfmt.h:527
#define AV_PIX_FMT_YUV422P16
Definition pixfmt.h:557
#define AV_PIX_FMT_GRAY16
Definition pixfmt.h:528
#define AV_PIX_FMT_GBRAP10
Definition pixfmt.h:568
#define AV_PIX_FMT_YUVA444P16
Definition pixfmt.h:603
#define AV_PIX_FMT_YUVA422P16
Definition pixfmt.h:602
#define AV_PIX_FMT_GBRP16
Definition pixfmt.h:567
#define AV_PIX_FMT_YUV444P14
Definition pixfmt.h:555
#define AV_PIX_FMT_YUVA444P9
Definition pixfmt.h:595
#define AV_PIX_FMT_GBRP14
Definition pixfmt.h:566
#define AV_PIX_FMT_YUVA444P12
Definition pixfmt.h:600
#define AV_PIX_FMT_YUV444P16
Definition pixfmt.h:558
#define AV_PIX_FMT_YUV444P10
Definition pixfmt.h:548

Definition at line 86 of file vf_median.c.

◆ median_inputs

const AVFilterPad median_inputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_input,
.filter_frame = filter_frame,
},
}
static int config_input(AVFilterLink *inlink)
static int filter_frame(DBEDecodeContext *s, AVFrame *frame)
Definition dolby_e.c:1067
@ AVMEDIA_TYPE_VIDEO
Definition avutil.h:200

Definition at line 264 of file vf_median.c.

◆ ff_vf_median

const FFFilter ff_vf_median
Initial value:
= {
.p.name = "median",
.p.description = NULL_IF_CONFIG_SMALL("Apply Median filter."),
.p.priv_class = &median_class,
.priv_size = sizeof(MedianContext),
.process_command = process_command,
}
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
#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:196
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition avfilter.h:166
static av_cold void uninit(AVBitStreamFilterContext *ctx)
#define FILTER_INPUTS(array)
Definition filters.h:264
#define FILTER_OUTPUTS(array)
Definition filters.h:265
#define FILTER_PIXFMTS_ARRAY(array)
Definition filters.h:244
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition internal.h:88
static enum AVPixelFormat pix_fmts[]
Definition libkvazaar.c:296
static const AVFilterPad median_inputs[]
Definition vf_median.c:264
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

Definition at line 273 of file vf_median.c.