Compute a look-up table for binding the input value to the output value, and apply it to input video. More...

#include "libavutil/attributes.h"
#include "libavutil/bswap.h"
#include "libavutil/common.h"
#include "libavutil/eval.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Data Structures
struct	LutContext

Macros
#define	Y 0

#define	U 1

#define	V 2

#define	R 0

#define	G 1

#define	B 2

#define	A 3

#define	OFFSET(x) offsetof(LutContext, x)

#define	FLAGS AV_OPT_FLAG_FILTERING_PARAM\|AV_OPT_FLAG_VIDEO_PARAM

#define	YUV_FORMATS

#define	RGB_FORMATS

#define	GRAY_FORMATS

#define	DEFINE_LUT_FILTER(name_, description_)

Enumerations
enum	var_name { VAR_CH, VAR_N, VAR_NB_IN_CHANNELS, VAR_NB_OUT_CHANNELS, VAR_T, VAR_S, VAR_VARS_NB, VAR_VALUE1, VAR_VALUE2, VAR_VARS_NB, VAR_TB, VAR_PTS, VAR_START_PTS, VAR_PREV_PTS, VAR_PREV_SELECTED_PTS, VAR_T, VAR_START_T, VAR_PREV_T, VAR_PREV_SELECTED_T, VAR_PICT_TYPE, VAR_I, VAR_P, VAR_B, VAR_S, VAR_SI, VAR_SP, VAR_BI, VAR_PICT_TYPE_I, VAR_PICT_TYPE_P, VAR_PICT_TYPE_B, VAR_PICT_TYPE_S, VAR_PICT_TYPE_SI, VAR_PICT_TYPE_SP, VAR_PICT_TYPE_BI, VAR_INTERLACE_TYPE, VAR_INTERLACE_TYPE_P, VAR_INTERLACE_TYPE_T, VAR_INTERLACE_TYPE_B, VAR_CONSUMED_SAMPLES_N, VAR_SAMPLES_N, VAR_SAMPLE_RATE, VAR_N, VAR_SELECTED_N, VAR_PREV_SELECTED_N, VAR_KEY, VAR_POS, VAR_SCENE, VAR_CONCATDEC_SELECT, VAR_VARS_NB, VAR_PI, VAR_PHI, VAR_E, VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH, VAR_A, VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB, VAR_OHSUB, VAR_OVSUB, VARS_NB, VAR_FRAME_RATE, VAR_INTERLACED, VAR_N, VAR_NB_CONSUMED_SAMPLES, VAR_NB_SAMPLES, VAR_POS, VAR_PREV_INPTS, VAR_PREV_INT, VAR_PREV_OUTPTS, VAR_PREV_OUTT, VAR_PTS, VAR_SAMPLE_RATE, VAR_STARTPTS, VAR_STARTT, VAR_T, VAR_TB, VAR_RTCTIME, VAR_RTCSTART, VAR_S, VAR_SR, VAR_VARS_NB, VAR_AVTB, VAR_INTB, VAR_SR, VAR_VARS_NB, VAR_W, VAR_H, VAR_A, VAR_DAR, VAR_SAR, VAR_HSUB, VAR_VSUB, VARS_NB, VAR_W, VAR_H, VAR_CW, VAR_CH, VAR_HSUB, VAR_VSUB, VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH, VAR_A, VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB, VAR_X, VAR_Y, VAR_N, VAR_POS, VAR_T, VAR_VARS_NB, VAR_DAR, VAR_HSUB, VAR_VSUB, VAR_IN_H, VAR_IH, VAR_IN_W, VAR_IW, VAR_SAR, VAR_X, VAR_Y, VAR_H, VAR_W, VAR_T, VAR_MAX, VARS_NB, VAR_DAR, VAR_HSUB, VAR_VSUB, VAR_LINE_H, VAR_LH, VAR_MAIN_H, VAR_h, VAR_H, VAR_MAIN_W, VAR_w, VAR_W, VAR_MAX_GLYPH_A, VAR_ASCENT, VAR_MAX_GLYPH_D, VAR_DESCENT, VAR_MAX_GLYPH_H, VAR_MAX_GLYPH_W, VAR_N, VAR_SAR, VAR_T, VAR_TEXT_H, VAR_TH, VAR_TEXT_W, VAR_TW, VAR_X, VAR_Y, VAR_PICT_TYPE, VAR_VARS_NB, VAR_N, VAR_POS, VAR_R, VAR_T, VAR_NB, VAR_N, VAR_PTS, VAR_R, VAR_T, VAR_TB, VAR_NB, VAR_W, VAR_H, VAR_VAL, VAR_MAXVAL, VAR_MINVAL, VAR_NEGVAL, VAR_CLIPVAL, VAR_VARS_NB, VAR_W, VAR_H, VAR_X, VAR_Y, VAR_BITDEPTHX, VAR_BITDEPTHY, VAR_VARS_NB, VAR_MAIN_W, VAR_MW, VAR_MAIN_H, VAR_MH, VAR_OVERLAY_W, VAR_OW, VAR_OVERLAY_H, VAR_OH, VAR_HSUB, VAR_VSUB, VAR_X, VAR_Y, VAR_N, VAR_POS, VAR_T, VAR_VARS_NB, VAR_MAIN_iW, VAR_MW, VAR_MAIN_iH, VAR_MH, VAR_OVERLAY_iW, VAR_OVERLAY_iH, VAR_OVERLAY_X, VAR_OX, VAR_OVERLAY_Y, VAR_OY, VAR_OVERLAY_W, VAR_OW, VAR_OVERLAY_H, VAR_OH, VAR_VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH, VAR_X, VAR_Y, VAR_A, VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB, VARS_NB, VAR_W, VAR_H, VAR_VAL, VAR_YMIN, VAR_UMIN, VAR_VMIN, VAR_AMIN, VAR_YMAX, VAR_UMAX, VAR_VMAX, VAR_AMAX, VAR_VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH, VAR_HSUB, VAR_VSUB, VAR_N, VAR_T, VAR_VARS_NB, VAR_PI, VAR_PHI, VAR_E, VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH, VAR_A, VAR_DAR, VAR_SAR, VARS_NB, VAR_W, VAR_H, VAR_N, VAR_PTS, VAR_R, VAR_T, VAR_TB, VAR_NB, VAR_iW, VAR_IN_W, VAR_iH, VAR_IN_H, VAR_oW, VAR_OUT_W, VAR_W, VAR_oH, VAR_OUT_H, VAR_H, CW, CH, CX, CY, VAR_VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH, VAR_IN, VAR_ON, VAR_DURATION, VAR_PDURATION, VAR_TIME, VAR_FRAME, VAR_ZOOM, VAR_PZOOM, VAR_X, VAR_PX, VAR_Y, VAR_PY, VAR_A, VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB, VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH, VAR_A, VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB, VAR_OHSUB, VAR_OVSUB, VARS_NB, VAR_X, VAR_Y, VAR_W, VAR_H, VAR_TIME, VAR_SPEED, VAR_TEMPO, VAR_ORDER, VAR_PATTERN, VAR_ROW, VAR_VARS_NB }

Functions
static av_cold void	uninit (AVFilterContext *ctx)

static int	query_formats (AVFilterContext *ctx)

static double	clip (void *opaque, double val)
	Clip value val in the minval - maxval range. More...

static double	compute_gammaval (void *opaque, double gamma)
	Compute gamma correction for value val, assuming the minval-maxval range, val is clipped to a value contained in the same interval. More...

static double	compute_gammaval709 (void *opaque, double gamma)
	Compute ITU Rec.709 gamma correction of value val. More...

static int	config_props (AVFilterLink *inlink)

static int	filter_frame (AVFilterLink inlink, AVFrame in)

Variables
static const char *const	var_names []

static const AVOption	options []

static enum AVPixelFormat	yuv_pix_fmts [] = { YUV_FORMATS, AV_PIX_FMT_NONE }

static enum AVPixelFormat	rgb_pix_fmts [] = { RGB_FORMATS, AV_PIX_FMT_NONE }

static enum AVPixelFormat	all_pix_fmts [] = { RGB_FORMATS, YUV_FORMATS, GRAY_FORMATS, AV_PIX_FMT_NONE }

static double(*const	funcs1 [])(void *, double)

static const char *const	funcs1_names []

static const AVFilterPad	inputs []

static const AVFilterPad	outputs []

Detailed Description

Compute a look-up table for binding the input value to the output value, and apply it to input video.

Definition in file vf_lut.c.

Macro Definition Documentation

◆ Y

#define Y 0

Definition at line 75 of file vf_lut.c.

Referenced by config_props().

◆ U

#define U 1

Definition at line 76 of file vf_lut.c.

Referenced by config_props().

◆ V

#define V 2

Definition at line 77 of file vf_lut.c.

Referenced by config_props().

◆ R

#define R 0

Definition at line 78 of file vf_lut.c.

◆ G

#define G 1

Definition at line 79 of file vf_lut.c.

◆ B

#define B 2

Definition at line 80 of file vf_lut.c.

◆ A

#define A 3

Definition at line 81 of file vf_lut.c.

Referenced by config_props().

◆ OFFSET

#define OFFSET ( x ) offsetof(LutContext, x)

Definition at line 83 of file vf_lut.c.

◆ FLAGS

#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 84 of file vf_lut.c.

◆ YUV_FORMATS

#define YUV_FORMATS

Value:

AV_PIX_FMT_YUV444P,  AV_PIX_FMT_YUV422P,  AV_PIX_FMT_YUV420P,    \
    AV_PIX_FMT_YUV411P,  AV_PIX_FMT_YUV410P,  AV_PIX_FMT_YUV440P,    \
    AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,   \
    AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,   \
    AV_PIX_FMT_YUVJ440P,                                             \
    AV_PIX_FMT_YUV444P9LE, AV_PIX_FMT_YUV422P9LE, AV_PIX_FMT_YUV420P9LE, \
    AV_PIX_FMT_YUV444P10LE, AV_PIX_FMT_YUV422P10LE, AV_PIX_FMT_YUV420P10LE, AV_PIX_FMT_YUV440P10LE, \
    AV_PIX_FMT_YUV444P12LE, AV_PIX_FMT_YUV422P12LE, AV_PIX_FMT_YUV420P12LE, AV_PIX_FMT_YUV440P12LE, \
    AV_PIX_FMT_YUV444P14LE, AV_PIX_FMT_YUV422P14LE, AV_PIX_FMT_YUV420P14LE, \
    AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUV422P16LE, AV_PIX_FMT_YUV420P16LE, \
    AV_PIX_FMT_YUVA444P16LE, AV_PIX_FMT_YUVA422P16LE, AV_PIX_FMT_YUVA420P16LE

Definition at line 113 of file vf_lut.c.

◆ RGB_FORMATS

#define RGB_FORMATS

Value:

AV_PIX_FMT_ARGB,         AV_PIX_FMT_RGBA,         \
    AV_PIX_FMT_ABGR,         AV_PIX_FMT_BGRA,         \
    AV_PIX_FMT_RGB24,        AV_PIX_FMT_BGR24,        \
    AV_PIX_FMT_RGB48LE,      AV_PIX_FMT_RGBA64LE,     \
    AV_PIX_FMT_GBRP,         AV_PIX_FMT_GBRAP,        \
    AV_PIX_FMT_GBRP9LE,      AV_PIX_FMT_GBRP10LE,     \
    AV_PIX_FMT_GBRAP10LE,                             \
    AV_PIX_FMT_GBRP12LE,     AV_PIX_FMT_GBRP14LE,     \
    AV_PIX_FMT_GBRP16LE,     AV_PIX_FMT_GBRAP12LE,    \
    AV_PIX_FMT_GBRAP16LE

Definition at line 126 of file vf_lut.c.

◆ GRAY_FORMATS

#define GRAY_FORMATS

Value:

AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9LE, AV_PIX_FMT_GRAY10LE, \

AV_PIX_FMT_GRAY12LE, AV_PIX_FMT_GRAY16LE

AV_PIX_FMT_GRAY9LE

Y , 9bpp, little-endian.

Definition: pixfmt.h:312

AV_PIX_FMT_GRAY10LE

Y , 10bpp, little-endian.

Definition: pixfmt.h:294

AV_PIX_FMT_GRAY8

Y , 8bpp.

Definition: pixfmt.h:70

AV_PIX_FMT_GRAY16LE

Y , 16bpp, little-endian.

Definition: pixfmt.h:94

Definition at line 138 of file vf_lut.c.

◆ DEFINE_LUT_FILTER

#define DEFINE_LUT_FILTER	(	name_,
		description_
	)

Value:

AVFilter ff_vf_##name_ = {                                          \
        .name          = #name_,                                        \
        .description   = NULL_IF_CONFIG_SMALL(description_),            \
        .priv_size     = sizeof(LutContext),                            \
        .priv_class    = &name_ ## _class,                              \
        .init          = name_##_init,                                  \
        .uninit        = uninit,                                        \
        .query_formats = query_formats,                                 \
        .inputs        = inputs,                                        \
        .outputs       = outputs,                                       \
        .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,        \
    }

Definition at line 500 of file vf_lut.c.

Enumeration Type Documentation

◆ var_name

enum var_name

Enumerator
VAR_CH
VAR_N
VAR_NB_IN_CHANNELS
VAR_NB_OUT_CHANNELS
VAR_T
VAR_S
VAR_VARS_NB
VAR_VALUE1
VAR_VALUE2
VAR_VARS_NB
VAR_TB
VAR_PTS
VAR_START_PTS
VAR_PREV_PTS
VAR_PREV_SELECTED_PTS
VAR_T
VAR_START_T
VAR_PREV_T
VAR_PREV_SELECTED_T
VAR_PICT_TYPE
VAR_I
VAR_P
VAR_B
VAR_S
VAR_SI
VAR_SP
VAR_BI
VAR_PICT_TYPE_I
VAR_PICT_TYPE_P
VAR_PICT_TYPE_B
VAR_PICT_TYPE_S
VAR_PICT_TYPE_SI
VAR_PICT_TYPE_SP
VAR_PICT_TYPE_BI
VAR_INTERLACE_TYPE
VAR_INTERLACE_TYPE_P
VAR_INTERLACE_TYPE_T
VAR_INTERLACE_TYPE_B
VAR_CONSUMED_SAMPLES_N
VAR_SAMPLES_N
VAR_SAMPLE_RATE
VAR_N
VAR_SELECTED_N
VAR_PREV_SELECTED_N
VAR_KEY
VAR_POS
VAR_SCENE
VAR_CONCATDEC_SELECT
VAR_VARS_NB
VAR_PI
VAR_PHI
VAR_E
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_OHSUB
VAR_OVSUB
VARS_NB
VAR_FRAME_RATE
VAR_INTERLACED
VAR_N
VAR_NB_CONSUMED_SAMPLES
VAR_NB_SAMPLES
VAR_POS
VAR_PREV_INPTS
VAR_PREV_INT
VAR_PREV_OUTPTS
VAR_PREV_OUTT
VAR_PTS
VAR_SAMPLE_RATE
VAR_STARTPTS
VAR_STARTT
VAR_T
VAR_TB
VAR_RTCTIME
VAR_RTCSTART
VAR_S
VAR_SR
VAR_VARS_NB
VAR_AVTB
VAR_INTB
VAR_SR
VAR_VARS_NB
VAR_W
VAR_H
VAR_A
VAR_DAR
VAR_SAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_W
VAR_H
VAR_CW
VAR_CH
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_X
VAR_Y
VAR_N
VAR_POS
VAR_T
VAR_VARS_NB
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_IN_H
VAR_IH
VAR_IN_W
VAR_IW
VAR_SAR
VAR_X
VAR_Y
VAR_H
VAR_W
VAR_T
VAR_MAX
VARS_NB
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_LINE_H
VAR_LH
VAR_MAIN_H
VAR_h
VAR_H
VAR_MAIN_W
VAR_w
VAR_W
VAR_MAX_GLYPH_A
VAR_ASCENT
VAR_MAX_GLYPH_D
VAR_DESCENT
VAR_MAX_GLYPH_H
VAR_MAX_GLYPH_W
VAR_N
VAR_SAR
VAR_T
VAR_TEXT_H
VAR_TH
VAR_TEXT_W
VAR_TW
VAR_X
VAR_Y
VAR_PICT_TYPE
VAR_VARS_NB
VAR_N
VAR_POS
VAR_R
VAR_T
VAR_NB
VAR_N
VAR_PTS
VAR_R
VAR_T
VAR_TB
VAR_NB
VAR_W
VAR_H
VAR_VAL
VAR_MAXVAL
VAR_MINVAL
VAR_NEGVAL
VAR_CLIPVAL
VAR_VARS_NB
VAR_W
VAR_H
VAR_X
VAR_Y
VAR_BITDEPTHX
VAR_BITDEPTHY
VAR_VARS_NB
VAR_MAIN_W
VAR_MW
VAR_MAIN_H
VAR_MH
VAR_OVERLAY_W
VAR_OW
VAR_OVERLAY_H
VAR_OH
VAR_HSUB
VAR_VSUB
VAR_X
VAR_Y
VAR_N
VAR_POS
VAR_T
VAR_VARS_NB
VAR_MAIN_iW
VAR_MW
VAR_MAIN_iH
VAR_MH
VAR_OVERLAY_iW
VAR_OVERLAY_iH
VAR_OVERLAY_X
VAR_OX
VAR_OVERLAY_Y
VAR_OY
VAR_OVERLAY_W
VAR_OW
VAR_OVERLAY_H
VAR_OH
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_X
VAR_Y
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_W
VAR_H
VAR_VAL
VAR_YMIN
VAR_UMIN
VAR_VMIN
VAR_AMIN
VAR_YMAX
VAR_UMAX
VAR_VMAX
VAR_AMAX
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_HSUB
VAR_VSUB
VAR_N
VAR_T
VAR_VARS_NB
VAR_PI
VAR_PHI
VAR_E
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_DAR
VAR_SAR
VARS_NB
VAR_W
VAR_H
VAR_N
VAR_PTS
VAR_R
VAR_T
VAR_TB
VAR_NB
VAR_iW
VAR_IN_W
VAR_iH
VAR_IN_H
VAR_oW
VAR_OUT_W
VAR_W
VAR_oH
VAR_OUT_H
VAR_H
CW
CH
CX
CY
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_IN
VAR_ON
VAR_DURATION
VAR_PDURATION
VAR_TIME
VAR_FRAME
VAR_ZOOM
VAR_PZOOM
VAR_X
VAR_PX
VAR_Y
VAR_PY
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_OHSUB
VAR_OVSUB
VARS_NB
VAR_X
VAR_Y
VAR_W
VAR_H
VAR_TIME
VAR_SPEED
VAR_TEMPO
VAR_ORDER
VAR_PATTERN
VAR_ROW
VAR_VARS_NB

Definition at line 50 of file vf_lut.c.

Function Documentation

◆ uninit()

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 101 of file vf_lut.c.

◆ query_formats()

static int query_formats ( AVFilterContext * ctx )

static

Definition at line 146 of file vf_lut.c.

◆ clip()

static double clip	(	void *	opaque,
		double	val
	)

static

Clip value val in the minval - maxval range.

Definition at line 162 of file vf_lut.c.

Referenced by avs_copy_frame(), filter(), rv40_loop_filter(), and vc1_filter_line().

◆ compute_gammaval()

static double compute_gammaval	(	void *	opaque,
		double	gamma
	)

static

Compute gamma correction for value val, assuming the minval-maxval range, val is clipped to a value contained in the same interval.

Definition at line 175 of file vf_lut.c.

◆ compute_gammaval709()

static double compute_gammaval709	(	void *	opaque,
		double	gamma
	)

static

Compute ITU Rec.709 gamma correction of value val.

Definition at line 188 of file vf_lut.c.

◆ config_props()

static int config_props ( AVFilterLink * inlink )

static

Definition at line 214 of file vf_lut.c.

◆ filter_frame()

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

static

Definition at line 340 of file vf_lut.c.

Variable Documentation

◆ var_names

const char* const var_names[]

static

Initial value:

= {
    "w",        
    "h",        
    "val",      
    "maxval",   
    "minval",   
    "negval",   
    "clipval",
    NULL
}

Definition at line 39 of file vf_lut.c.

Referenced by config_props().

◆ options

const AVOption options[]

static

Initial value:

= {
    { "c0", "set component #0 expression", OFFSET(comp_expr_str[0]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "c1", "set component #1 expression", OFFSET(comp_expr_str[1]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "c2", "set component #2 expression", OFFSET(comp_expr_str[2]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "c3", "set component #3 expression", OFFSET(comp_expr_str[3]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "y",  "set Y expression",            OFFSET(comp_expr_str[Y]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "u",  "set U expression",            OFFSET(comp_expr_str[U]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "v",  "set V expression",            OFFSET(comp_expr_str[V]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "r",  "set R expression",            OFFSET(comp_expr_str[R]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "g",  "set G expression",            OFFSET(comp_expr_str[G]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "b",  "set B expression",            OFFSET(comp_expr_str[B]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { "a",  "set A expression",            OFFSET(comp_expr_str[A]),  AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
    { NULL }
}

Definition at line 86 of file vf_lut.c.

◆ yuv_pix_fmts

enum AVPixelFormat yuv_pix_fmts[] = { YUV_FORMATS, AV_PIX_FMT_NONE }

static

Definition at line 142 of file vf_lut.c.

Referenced by config_props(), and query_formats().

◆ rgb_pix_fmts

enum AVPixelFormat rgb_pix_fmts[] = { RGB_FORMATS, AV_PIX_FMT_NONE }

static

Definition at line 143 of file vf_lut.c.

Referenced by config_props(), and query_formats().

◆ all_pix_fmts

enum AVPixelFormat all_pix_fmts[] = { RGB_FORMATS, YUV_FORMATS, GRAY_FORMATS, AV_PIX_FMT_NONE }

static

Definition at line 144 of file vf_lut.c.

Referenced by query_formats().

◆ funcs1

double(* const funcs1[])(void *, double)

static

Initial value:

= {
    clip,
    compute_gammaval,
    compute_gammaval709,
    NULL
}

Definition at line 200 of file vf_lut.c.

Referenced by config_props().

◆ funcs1_names

const char* const funcs1_names[]

static

Initial value:

= {
    "clip",
    "gammaval",
    "gammaval709",
    NULL
}

Definition at line 207 of file vf_lut.c.

Referenced by config_props().

◆ inputs

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 485 of file vf_lut.c.

◆ outputs

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 493 of file vf_lut.c.

Data Structures

Macros

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ Y

◆ U

◆ V

◆ R

◆ G

◆ B

◆ A

◆ OFFSET

◆ FLAGS

◆ YUV_FORMATS

◆ RGB_FORMATS

◆ GRAY_FORMATS

◆ DEFINE_LUT_FILTER

Enumeration Type Documentation

◆ var_name

Function Documentation

◆ uninit()

◆ query_formats()

◆ clip()

◆ compute_gammaval()

◆ compute_gammaval709()

◆ config_props()

◆ filter_frame()

Variable Documentation

◆ var_names

◆ options

◆ yuv_pix_fmts

◆ rgb_pix_fmts

◆ all_pix_fmts

◆ funcs1

◆ funcs1_names

◆ inputs

◆ outputs