vf_lut3d.c File Reference

3D Lookup table filter More...

#include "libavutil/opt.h"
#include "libavutil/file.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/avassert.h"
#include "libavutil/pixdesc.h"
#include "libavutil/avstring.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "framesync.h"
#include "internal.h"
#include "video.h"

Classes
struct	rgbvec
struct	LUT3DContext
struct	ThreadData

Macros
#define	R   0
#define	G   1
#define	B   2
#define	A   3
#define	MAX_LEVEL   64
#define	OFFSET(x)   offsetof(LUT3DContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define	COMMON_OPTIONS
#define	NEAR(x)   ((int)((x) + .5))
#define	PREV(x)   ((int)(x))
#define	NEXT(x)   (FFMIN((int)(x) + 1, lut3d->lutsize - 1))
#define	DEFINE_INTERP_FUNC(name, nbits)
#define	MAX_LINE_SIZE   512
#define	NEXT_LINE(loop_cond)
#define	SET_COLOR(id)
#define	SET_FUNC(name)

Typedefs
typedef struct LUT3DContext	LUT3DContext
typedef struct ThreadData	ThreadData

Enumerations
enum	interp_mode { INTERPOLATE_NEAREST, INTERPOLATE_TRILINEAR, INTERPOLATE_TETRAHEDRAL, NB_INTERP_MODE }

Detailed Description

3D Lookup table filter

Macro Definition Documentation

COMMON_OPTIONS

#define COMMON_OPTIONS

Value:

{ "interp", "select interpolation mode", OFFSET(interpolation), AV_OPT_TYPE_INT, {.i64=INTERPOLATE_TETRAHEDRAL}, 0, NB_INTERP_MODE-1, FLAGS, "interp_mode" }, \
        { "nearest",     "use values from the nearest defined points",            0, AV_OPT_TYPE_CONST, {.i64=INTERPOLATE_NEAREST},     INT_MIN, INT_MAX, FLAGS, "interp_mode" }, \
        { "trilinear",   "interpolate values using the 8 points defining a cube", 0, AV_OPT_TYPE_CONST, {.i64=INTERPOLATE_TRILINEAR},   INT_MIN, INT_MAX, FLAGS, "interp_mode" }, \
        { "tetrahedral", "interpolate values using a tetrahedron",                0, AV_OPT_TYPE_CONST, {.i64=INTERPOLATE_TETRAHEDRAL}, INT_MIN, INT_MAX, FLAGS, "interp_mode" }, \
    { NULL }

NEXT_LINE

#define NEXT_LINE

(

loop_cond

)

Value:

do {                           \
    if (!fgets(line, sizeof(line), f)) {                    \
        av_log(ctx, AV_LOG_ERROR, "Unexpected EOF\n");      \
        return AVERROR_INVALIDDATA;                         \
    }                                                       \
} while (loop_cond)

SET_COLOR

#define SET_COLOR

(

id

)

Value:

do {                  \
    while (av_isspace(*p))                  \
        p++;                                \
    switch (*p) {                           \
    case 'r': rgb_map[id] = 0; break;       \
    case 'g': rgb_map[id] = 1; break;       \
    case 'b': rgb_map[id] = 2; break;       \
    }                                       \
    while (*p && !av_isspace(*p))           \
        p++;                                \
} while (0)

SET_FUNC

#define SET_FUNC

(

name

)

Value:

do {                             \
    if (is16bit) lut3d->interp = interp_16_##name;      \
    else         lut3d->interp = interp_8_##name;       \
} while (0)