vf_yaepblur.c File Reference

#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	YAEPContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	PRE_CALCULATE_ROW(type, name)
#define	FILTER_SLICE(type, name)
#define	OFFSET(x)   offsetof(YAEPContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Functions
static av_cold void	uninit (AVFilterContext *ctx)
static int	pre_calculate_col (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	config_input (AVFilterLink *inlink)
	AVFILTER_DEFINE_CLASS (yaepblur)

Variables
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	yaep_inputs []
static const AVFilterPad	yaep_outputs []
static const AVOption	yaepblur_options []
const AVFilter	ff_vf_yaepblur

Detailed Description

yaep(yet another edge preserving) blur filter

This implementation is based on an algorithm described in "J. S. Lee, Digital image enhancement and noise filtering by use of local statistics, IEEE Trans. Pattern Anal. Mach. Intell. PAMI-2, 1980."

Definition in file vf_yaepblur.c.

Macro Definition Documentation

PRE_CALCULATE_ROW

#define PRE_CALCULATE_ROW	(		type,
			name
	)

Definition at line 93 of file vf_yaepblur.c.

FILTER_SLICE

#define FILTER_SLICE	(		type,
			name
	)

Definition at line 160 of file vf_yaepblur.c.

OFFSET

#define OFFSET

(

x

)

offsetof(YAEPContext, x)

Definition at line 319 of file vf_yaepblur.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 320 of file vf_yaepblur.c.

Function Documentation

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 55 of file vf_yaepblur.c.

pre_calculate_col()

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

static

Definition at line 130 of file vf_yaepblur.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 215 of file vf_yaepblur.c.

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 268 of file vf_yaepblur.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

yaepblur

)

Variable Documentation

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_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
    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_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
    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_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
    AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_NONE
}

Definition at line 62 of file vf_yaepblur.c.

yaep_inputs

const AVFilterPad yaep_inputs[]

static

Initial value:

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

Definition at line 303 of file vf_yaepblur.c.

yaep_outputs

const AVFilterPad yaep_outputs[]

static

Initial value:

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

Definition at line 312 of file vf_yaepblur.c.

yaepblur_options

const AVOption yaepblur_options[]

static

Initial value:

= {
    { "radius", "set window radius",    OFFSET(radius), AV_OPT_TYPE_INT, {.i64=3},   0, INT_MAX, .flags=FLAGS },
    { "r"     , "set window radius",    OFFSET(radius), AV_OPT_TYPE_INT, {.i64=3},   0, INT_MAX, .flags=FLAGS },
    { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=1},   0,     0xF, .flags=FLAGS },
    { "p",      "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=1},   0,     0xF, .flags=FLAGS },
    { "sigma",  "set blur strength",    OFFSET(sigma),  AV_OPT_TYPE_INT, {.i64=128}, 1, INT_MAX, .flags=FLAGS },
    { "s",      "set blur strength",    OFFSET(sigma),  AV_OPT_TYPE_INT, {.i64=128}, 1, INT_MAX, .flags=FLAGS },
    { NULL }
}

Definition at line 322 of file vf_yaepblur.c.

ff_vf_yaepblur

const AVFilter ff_vf_yaepblur

Initial value:

= {
    .name            = "yaepblur",
    .description     = NULL_IF_CONFIG_SMALL("Yet another edge preserving blur filter."),
    .priv_size       = sizeof(YAEPContext),
    .priv_class      = &yaepblur_class,
    .uninit          = uninit,
    FILTER_INPUTS(yaep_inputs),
    FILTER_OUTPUTS(yaep_outputs),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
    .flags           = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 334 of file vf_yaepblur.c.