vf_avgblur.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

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

Macros
#define	OFFSET(x)   offsetof(AverageBlurContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
#define	LUT_DIV(sum, area)   (lut[(sum)])
#define	SLOW_DIV(sum, area)   ((sum) / (area))
#define	FILTER(name, type, btype, lutunused, areaunused, lutdiv)

Functions
	AVFILTER_DEFINE_CLASS (avgblur)
static void	build_lut (AVFilterContext *ctx, int max)
static av_cold void	uninit (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static void	averageiir2d (AVFilterContext *ctx, AVFrame *in, AVFrame *out, int plane)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)

Variables
static const AVOption	avgblur_options []
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	avgblur_inputs []
const AVFilter	ff_vf_avgblur

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(AverageBlurContext, x)

Definition at line 51 of file vf_avgblur.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 52 of file vf_avgblur.c.

LUT_DIV

#define LUT_DIV	(		sum,
			area
	)		(lut[(sum)])

Definition at line 71 of file vf_avgblur.c.

SLOW_DIV

#define SLOW_DIV	(		sum,
			area
	)		((sum) / (area))

Definition at line 72 of file vf_avgblur.c.

FILTER

#define FILTER	(		name,
			type,
			btype,
			lutunused,
			areaunused,
			lutdiv
	)

Definition at line 74 of file vf_avgblur.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

avgblur

)

build_lut()

static void build_lut ( AVFilterContext *  ctx, int  max  )

static

Definition at line 171 of file vf_avgblur.c.

Referenced by config_input(), and process_command().

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 190 of file vf_avgblur.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 197 of file vf_avgblur.c.

averageiir2d()

static void averageiir2d ( AVFilterContext *  ctx, AVFrame *  in, AVFrame *  out, int  plane  )

static

Definition at line 232 of file vf_avgblur.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 271 of file vf_avgblur.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 305 of file vf_avgblur.c.

Variable Documentation

avgblur_options

const AVOption avgblur_options[]

static

Initial value:

= {
    { "sizeX",  "set horizontal size",  OFFSET(radius),  AV_OPT_TYPE_INT, {.i64=1},   1, 1024, FLAGS },
    { "planes", "set planes to filter", OFFSET(planes),  AV_OPT_TYPE_INT, {.i64=0xF}, 0,  0xF, FLAGS },
    { "sizeY",  "set vertical size",    OFFSET(radiusV), AV_OPT_TYPE_INT, {.i64=0},   0, 1024, FLAGS },
    { NULL }
}

Definition at line 54 of file vf_avgblur.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_NONE
}

Definition at line 249 of file vf_avgblur.c.

avgblur_inputs

const AVFilterPad avgblur_inputs[]

static

Initial value:

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

Definition at line 328 of file vf_avgblur.c.

ff_vf_avgblur

const AVFilter ff_vf_avgblur

Initial value:

= {
    .name          = "avgblur",
    .description   = NULL_IF_CONFIG_SMALL("Apply Average Blur filter."),
    .priv_size     = sizeof(AverageBlurContext),
    .priv_class    = &avgblur_class,
    .uninit        = uninit,
    FILTER_INPUTS(avgblur_inputs),
    FILTER_OUTPUTS(ff_video_default_filterpad),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
    .process_command = process_command,
}

Definition at line 337 of file vf_avgblur.c.