vf_deblock.c File Reference

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

Go to the source code of this file.

Data Structures
struct	DeblockContext

Macros
#define	WEAK_HFILTER(name, type, ldiv)
#define	WEAK_VFILTER(name, type, ldiv)
#define	STRONG_HFILTER(name, type, ldiv)
#define	STRONG_VFILTER(name, type, ldiv)
#define	OFFSET(x)   offsetof(DeblockContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Enumerations
enum	FilterType {   BUTTERWORTH, CHEBYSHEV1, CHEBYSHEV2, NB_TYPES,   biquad, equalizer, bass, treble,   bandpass, bandreject, allpass, highpass,   lowpass, lowshelf, highshelf, WEAK,   STRONG, NB_FILTER, LOWPASS, FLAT,   AFLAT, CHROMA, COLOR, ACOLOR,   XFLAT, NB_FILTERS }

Functions
static int	query_formats (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
	AVFILTER_DEFINE_CLASS (deblock)

Variables
static const AVOption	deblock_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	ff_vf_deblock

Macro Definition Documentation

#define WEAK_HFILTER	(		name,
			type,
			ldiv
	)

Definition at line 92 of file vf_deblock.c.

#define WEAK_VFILTER	(		name,
			type,
			ldiv
	)

Definition at line 131 of file vf_deblock.c.

#define STRONG_HFILTER	(		name,
			type,
			ldiv
	)

Definition at line 172 of file vf_deblock.c.

#define STRONG_VFILTER	(		name,
			type,
			ldiv
	)

Definition at line 218 of file vf_deblock.c.

#define OFFSET

(

x

)

offsetof(DeblockContext, x)

Definition at line 369 of file vf_deblock.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Definition at line 370 of file vf_deblock.c.

Enumeration Type Documentation

enum FilterType

Enumerator
BUTTERWORTH
CHEBYSHEV1
CHEBYSHEV2
NB_TYPES
biquad
equalizer
bass
treble
bandpass
bandreject
allpass
highpass
lowpass
lowshelf
highshelf
WEAK
STRONG
NB_FILTER
LOWPASS
FLAT
AFLAT
CHROMA
COLOR
ACOLOR
XFLAT
NB_FILTERS

Definition at line 34 of file vf_deblock.c.

Function Documentation

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 64 of file vf_deblock.c.

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 266 of file vf_deblock.c.

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

static

Definition at line 308 of file vf_deblock.c.

AVFILTER_DEFINE_CLASS

(

deblock

)

Variable Documentation

const AVOption deblock_options[]

static

Initial value:

= {
    { "filter",    "set type of filter",          OFFSET(filter),    AV_OPT_TYPE_INT,   {.i64=STRONG},0, 1,  FLAGS, "filter" },
    { "weak",      0,                             0,                 AV_OPT_TYPE_CONST, {.i64=WEAK},  0, 0,  FLAGS, "filter" },
    { "strong",    0,                             0,                 AV_OPT_TYPE_CONST, {.i64=STRONG},0, 0,  FLAGS, "filter" },
    { "block",     "set size of block",           OFFSET(block),     AV_OPT_TYPE_INT,   {.i64=8},    4, 512, FLAGS },
    { "alpha",     "set 1st detection threshold", OFFSET(alpha),     AV_OPT_TYPE_FLOAT, {.dbl=.098}, 0,  1,  FLAGS },
    { "beta",      "set 2nd detection threshold", OFFSET(beta),      AV_OPT_TYPE_FLOAT, {.dbl=.05},  0,  1,  FLAGS },
    { "gamma",     "set 3rd detection threshold", OFFSET(gamma),     AV_OPT_TYPE_FLOAT, {.dbl=.05},  0,  1,  FLAGS },
    { "delta",     "set 4th detection threshold", OFFSET(delta),     AV_OPT_TYPE_FLOAT, {.dbl=.05},  0,  1,  FLAGS },
    { "planes",    "set planes to filter",        OFFSET(planes),    AV_OPT_TYPE_INT,   {.i64=15},   0, 15,  FLAGS },
    { NULL },
}

Definition at line 372 of file vf_deblock.c.

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 385 of file vf_deblock.c.

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 394 of file vf_deblock.c.

AVFilter ff_vf_deblock

Initial value:

= {
    .name          = "deblock",
    .description   = NULL_IF_CONFIG_SMALL("Deblock video."),
    .priv_size     = sizeof(DeblockContext),
    .priv_class    = &deblock_class,
    .query_formats = query_formats,
    .inputs        = inputs,
    .outputs       = outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 405 of file vf_deblock.c.