vf_deband.c File Reference

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

Go to the source code of this file.

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

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

Functions
	AVFILTER_DEFINE_CLASS (deband)
static int	query_formats (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
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_8_coupling_c (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	deband_16_coupling_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 int	process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	deband_options []
static const AVFilterPad	avfilter_vf_deband_inputs []
const FFFilter	ff_vf_deband

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(DebandContext, x)

Definition at line 53 of file vf_deband.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 54 of file vf_deband.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

deband

)

query_formats()

static int query_formats ( const AVFilterContext * ctx, AVFilterFormatsConfig ** cfg_in, AVFilterFormatsConfig ** cfg_out )

static

Definition at line 74 of file vf_deband.c.

frand()

static float frand ( int x, int y )

static

Definition at line 119 of file vf_deband.c.

Referenced by config_input(), and frand().

get_avg()

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

inlinestatic

Definition at line 126 of file vf_deband.c.

Referenced by deband_16_c(), deband_16_coupling_c(), deband_8_c(), and deband_8_coupling_c().

deband_8_c()

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

static

Definition at line 135 of file vf_deband.c.

Referenced by config_input().

deband_8_coupling_c()

static int deband_8_coupling_c ( AVFilterContext * ctx, void * arg, int jobnr, int nb_jobs )

static

Definition at line 184 of file vf_deband.c.

Referenced by config_input().

deband_16_coupling_c()

static int deband_16_coupling_c ( AVFilterContext * ctx, void * arg, int jobnr, int nb_jobs )

static

Definition at line 249 of file vf_deband.c.

Referenced by config_input().

deband_16_c()

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

static

Definition at line 316 of file vf_deband.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink * inlink )

static

Definition at line 365 of file vf_deband.c.

Referenced by process_command().

filter_frame()

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

static

Definition at line 414 of file vf_deband.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 438 of file vf_deband.c.

uninit()

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 449 of file vf_deband.c.

Variable Documentation

deband_options

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 },
    { "b",         "set blur",                OFFSET(blur),         AV_OPT_TYPE_BOOL,  {.i64=1},           0,       1, FLAGS },
    { "coupling",  "set plane coupling",      OFFSET(coupling),     AV_OPT_TYPE_BOOL,  {.i64=0},           0,       1, FLAGS },
    { "c",         "set plane coupling",      OFFSET(coupling),     AV_OPT_TYPE_BOOL,  {.i64=0},           0,       1, FLAGS },
    { NULL }
}

Definition at line 56 of file vf_deband.c.

avfilter_vf_deband_inputs

const AVFilterPad avfilter_vf_deband_inputs[]

static

Initial value:

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

Definition at line 457 of file vf_deband.c.

ff_vf_deband

const FFFilter ff_vf_deband

Initial value:

= {
    .p.name        = "deband",
    .p.description = NULL_IF_CONFIG_SMALL("Debands video."),
    .p.priv_class  = &deband_class,
    .p.flags       = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .priv_size     = sizeof(DebandContext),
    .uninit        = uninit,
    FILTER_INPUTS(avfilter_vf_deband_inputs),
    FILTER_OUTPUTS(ff_video_default_filterpad),
    FILTER_QUERY_FUNC2(query_formats),
    .process_command = process_command,
}

Definition at line 466 of file vf_deband.c.