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)   offsetof(MedianContext, 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 AVFilter	ff_vf_median

Macro Definition Documentation

DEPTH [1/6]

#define DEPTH   8

Definition at line 52 of file vf_median.c.

DEPTH [2/6]

#define DEPTH   9

Definition at line 52 of file vf_median.c.

DEPTH [3/6]

#define DEPTH   10

Definition at line 52 of file vf_median.c.

DEPTH [4/6]

#define DEPTH   12

Definition at line 52 of file vf_median.c.

DEPTH [5/6]

#define DEPTH   14

Definition at line 52 of file vf_median.c.

DEPTH [6/6]

#define DEPTH   16

Definition at line 52 of file vf_median.c.

OFFSET

#define OFFSET

(

x

)

offsetof(MedianContext, x)

Definition at line 55 of file vf_median.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 56 of file vf_median.c.

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()

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

static

Definition at line 74 of file vf_median.c.

Referenced by blend_frame(), blend_line(), blend_line16(), blend_line_hv(), blend_line_hv16(), blend_slice_planar_rgb(), blockdetect_filter_frame(), blurdetect_filter_frame(), buffer_needs_copy(), calculate_blur(), config_input(), config_input0(), config_input1(), config_inputx(), config_inputy(), config_props(), copy_picture_field(), decimate_frame(), do_backgroundkey16_slice(), do_backgroundkey_slice(), ff_h264_decode_seq_parameter_set(), ff_mpeg4_decode_studio(), filter_frame(), filter_slice(), get_video_buffer(), lut2_config_output(), opencl_get_plane_format(), qrencode_config_input(), resample_cubic(), resample_linear(), vectorscope16(), and vectorscope8().

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.

Referenced by filter_frame().

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 }
}

Definition at line 58 of file vf_median.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 86 of file vf_median.c.

median_inputs

const AVFilterPad median_inputs[]

static

Initial value:

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

Definition at line 264 of file vf_median.c.

ff_vf_median

const AVFilter ff_vf_median

Initial value:

= {
    .name          = "median",
    .description   = NULL_IF_CONFIG_SMALL("Apply Median filter."),
    .priv_size     = sizeof(MedianContext),
    .priv_class    = &median_class,
    .uninit        = uninit,
    FILTER_INPUTS(median_inputs),
    FILTER_OUTPUTS(ff_video_default_filterpad),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = process_command,
}

Definition at line 273 of file vf_median.c.