vf_gblur.c File Reference

#include <float.h>
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "gblur.h"
#include "internal.h"
#include "vf_gblur_init.h"
#include "video.h"

Go to the source code of this file.

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

Macros
#define	OFFSET(x)   offsetof(GBlurContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Functions
	AVFILTER_DEFINE_CLASS (gblur)
static int	filter_horizontally (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_vertically (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_postscale (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static void	gaussianiir2d (AVFilterContext *ctx, int plane)
static av_cold void	uninit (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static void	set_params (float sigma, int steps, float *postscale, float *boundaryscale, float *nu)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)

Variables
static const AVOption	gblur_options []
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	gblur_inputs []
static const AVFilterPad	gblur_outputs []
const AVFilter	ff_vf_gblur

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(GBlurContext, x)

Definition at line 40 of file vf_gblur.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 41 of file vf_gblur.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

gblur

)

filter_horizontally()

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

static

Definition at line 58 of file vf_gblur.c.

Referenced by gaussianiir2d().

filter_vertically()

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

static

Definition at line 81 of file vf_gblur.c.

Referenced by gaussianiir2d().

filter_postscale()

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

static

Definition at line 100 of file vf_gblur.c.

Referenced by gaussianiir2d().

gaussianiir2d()

static void gaussianiir2d ( AVFilterContext *  ctx, int  plane  )

static

Definition at line 120 of file vf_gblur.c.

Referenced by filter_frame().

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 165 of file vf_gblur.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 173 of file vf_gblur.c.

set_params()

static void set_params ( float  sigma, int  steps, float *  postscale, float *  boundaryscale, float *  nu  )

static

Definition at line 201 of file vf_gblur.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 212 of file vf_gblur.c.

Variable Documentation

gblur_options

const AVOption gblur_options[]

static

Initial value:

= {
    { "sigma",  "set sigma",            OFFSET(sigma),  AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0.0, 1024, FLAGS },
    { "steps",  "set number of steps",  OFFSET(steps),  AV_OPT_TYPE_INT,   {.i64=1},     1,    6, FLAGS },
    { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT,   {.i64=0xF},   0,  0xF, FLAGS },
    { "sigmaV", "set vertical sigma",   OFFSET(sigmaV), AV_OPT_TYPE_FLOAT, {.dbl=-1},   -1, 1024, FLAGS },
    { NULL }
}

Definition at line 43 of file vf_gblur.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_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_GBRPF32, AV_PIX_FMT_GBRAPF32,
    AV_PIX_FMT_GRAYF32,
    AV_PIX_FMT_NONE
}

Definition at line 141 of file vf_gblur.c.

gblur_inputs

const AVFilterPad gblur_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_gblur.c.

gblur_outputs

const AVFilterPad gblur_outputs[]

static

Initial value:

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

Definition at line 312 of file vf_gblur.c.

ff_vf_gblur

const AVFilter ff_vf_gblur

Initial value:

= {
    .name          = "gblur",
    .description   = NULL_IF_CONFIG_SMALL("Apply Gaussian Blur filter."),
    .priv_size     = sizeof(GBlurContext),
    .priv_class    = &gblur_class,
    .uninit        = uninit,
    FILTER_INPUTS(gblur_inputs),
    FILTER_OUTPUTS(gblur_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 319 of file vf_gblur.c.