vf_deband.c File Reference

#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	DebandContext
struct	ThreadData

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

Functions
	AVFILTER_DEFINE_CLASS (deband)
static int	query_formats (AVFilterContext *ctx)
static float	frand (int x, int y)
static int	get_avg (int ref0, int ref1, int ref2, int ref3)
static int	deband_8_c (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	deband_16_c (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	deband_options []
static const AVFilterPad	avfilter_vf_deband_inputs []
static const AVFilterPad	avfilter_vf_deband_outputs []
AVFilter	ff_vf_deband

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(DebandContext, x)

Definition at line 49 of file vf_deband.c.

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 50 of file vf_deband.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

deband

)

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 67 of file vf_deband.c.

static float frand ( int  x, int  y  )

static

Definition at line 96 of file vf_deband.c.

Referenced by config_input().

static int get_avg ( int  ref0, int  ref1, int  ref2, int  ref3  )

inlinestatic

Definition at line 103 of file vf_deband.c.

Referenced by deband_16_c(), and deband_8_c().

static int deband_8_c ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 112 of file vf_deband.c.

Referenced by config_input().

static int deband_16_c ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 161 of file vf_deband.c.

Referenced by config_input().

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 210 of file vf_deband.c.

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

static

Definition at line 252 of file vf_deband.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 276 of file vf_deband.c.

Variable Documentation

const AVOption deband_options[]

static

Initial value:

= {
    { "1thr",      "set 1st plane threshold", OFFSET(threshold[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02},  0.00003,     0.5, FLAGS },
    { "2thr",      "set 2nd plane threshold", OFFSET(threshold[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02},  0.00003,     0.5, FLAGS },
    { "3thr",      "set 3rd plane threshold", OFFSET(threshold[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02},  0.00003,     0.5, FLAGS },
    { "4thr",      "set 4th plane threshold", OFFSET(threshold[3]), AV_OPT_TYPE_FLOAT, {.dbl=0.02},  0.00003,     0.5, FLAGS },
    { "range",     "set range",               OFFSET(range),        AV_OPT_TYPE_INT,   {.i64=16},    INT_MIN, INT_MAX, FLAGS },
    { "r",         "set range",               OFFSET(range),        AV_OPT_TYPE_INT,   {.i64=16},    INT_MIN, INT_MAX, FLAGS },
    { "direction", "set direction",           OFFSET(direction),    AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI,  2*M_PI, FLAGS },
    { "d",         "set direction",           OFFSET(direction),    AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI,  2*M_PI, FLAGS },
    { "blur",      "set blur",                OFFSET(blur),         AV_OPT_TYPE_BOOL,  {.i64=1},           0,       1, FLAGS },
    { NULL }
}

Definition at line 52 of file vf_deband.c.

const AVFilterPad avfilter_vf_deband_inputs[]

static

Initial value:

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

Definition at line 284 of file vf_deband.c.

const AVFilterPad avfilter_vf_deband_outputs[]

static

Initial value:

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

Definition at line 294 of file vf_deband.c.

AVFilter ff_vf_deband

Initial value:

= {
    .name          = "deband",
    .description   = NULL_IF_CONFIG_SMALL("Debands video."),
    .priv_size     = sizeof(DebandContext),
    .priv_class    = &deband_class,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = avfilter_vf_deband_inputs,
    .outputs       = avfilter_vf_deband_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 302 of file vf_deband.c.