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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"

Go to the source code of this file.

Data Structures

struct  rgbvec
struct  LUT3DContext
struct  ThreadData
 Used for passing data between threads. More...


#define R   0
#define G   1
#define B   2
#define A   3
#define MAX_LEVEL   64
#define OFFSET(x)   offsetof(LUT3DContext, x)
#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_PLANAR(name, nbits, depth)
#define DEFINE_INTERP_FUNC(name, nbits)
#define MAX_LINE_SIZE   512
#define NEXT_LINE(loop_cond)
#define SET_COLOR(id)
#define SET_FUNC(name)




static float lerpf (float v0, float v1, float f)
static struct rgbvec lerp (const struct rgbvec *v0, const struct rgbvec *v1, float f)
static struct rgbvec interp_nearest (const LUT3DContext *lut3d, const struct rgbvec *s)
 Get the nearest defined point. More...
static struct rgbvec interp_trilinear (const LUT3DContext *lut3d, const struct rgbvec *s)
 Interpolate using the 8 vertices of a cube. More...
static struct rgbvec interp_tetrahedral (const LUT3DContext *lut3d, const struct rgbvec *s)
 Tetrahedral interpolation. More...
static int skip_line (const char *p)
static int parse_dat (AVFilterContext *ctx, FILE *f)
static int parse_cube (AVFilterContext *ctx, FILE *f)
static int parse_3dl (AVFilterContext *ctx, FILE *f)
static int parse_m3d (AVFilterContext *ctx, FILE *f)
static void set_identity_matrix (LUT3DContext *lut3d, int size)
static int query_formats (AVFilterContext *ctx)
static int config_input (AVFilterLink *inlink)
static AVFrameapply_lut (AVFilterLink *inlink, AVFrame *in)
static int filter_frame (AVFilterLink *inlink, AVFrame *in)

Detailed Description

3D Lookup table filter

Definition in file vf_lut3d.c.

Macro Definition Documentation

#define R   0

Definition at line 40 of file vf_lut3d.c.

#define G   1

Definition at line 41 of file vf_lut3d.c.

#define B   2

Definition at line 42 of file vf_lut3d.c.

#define A   3

Definition at line 43 of file vf_lut3d.c.

#define MAX_LEVEL   64

Definition at line 58 of file vf_lut3d.c.

Referenced by parse_cube(), parse_dat(), and parse_m3d().

#define OFFSET (   x)    offsetof(LUT3DContext, x)

Definition at line 83 of file vf_lut3d.c.

Definition at line 84 of file vf_lut3d.c.

{ "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 }
#define NULL
Definition: coverity.c:32
#define OFFSET(x)
Definition: vf_lut3d.c:83
#define FLAGS
Definition: vf_lut3d.c:84
static int interpolation(DeclickChannel *c, const double *src, int ar_order, double *acoefficients, int *index, int nb_errors, double *auxiliary, double *interpolated)
Definition: af_adeclick.c:348

Definition at line 85 of file vf_lut3d.c.

#define NEAR (   x)    ((int)((x) + .5))

Definition at line 105 of file vf_lut3d.c.

Referenced by interp_nearest().

#define PREV (   x)    ((int)(x))

Definition at line 106 of file vf_lut3d.c.

Referenced by interp_tetrahedral(), and interp_trilinear().

#define NEXT (   x)    (FFMIN((int)(x) + 1, lut3d->lutsize - 1))

Definition at line 107 of file vf_lut3d.c.

Referenced by interp_tetrahedral(), and interp_trilinear().


Definition at line 203 of file vf_lut3d.c.

#define DEFINE_INTERP_FUNC (   name,

Definition at line 280 of file vf_lut3d.c.

#define MAX_LINE_SIZE   512

Definition at line 328 of file vf_lut3d.c.

Referenced by parse_3dl(), parse_cube(), parse_dat(), and parse_m3d().

#define NEXT_LINE (   loop_cond)
do { \
if (!fgets(line, sizeof(line), f)) { \
av_log(ctx, AV_LOG_ERROR, "Unexpected EOF\n"); \
} \
} while (loop_cond)
Invalid data found when processing input.
Definition: error.h:59
#define f(width, name)
Definition: cbs_vp9.c:255
#define av_log(a,...)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
Definition: graph2dot.c:48
AVFormatContext * ctx
Definition: movenc.c:48
if(ret< 0)
Definition: vf_mcdeint.c:279

Definition at line 337 of file vf_lut3d.c.

Referenced by parse_3dl(), parse_cube(), parse_dat(), and parse_m3d().

#define SET_COLOR (   id)
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)
static av_const int av_isspace(int c)
Locale-independent conversion of ASCII isspace.
Definition: avstring.h:222
enum AVCodecID id

Referenced by parse_m3d().

#define SET_FUNC (   name)
do { \
if (planar) { \
switch (depth) { \
case 8: lut3d->interp = interp_8_##name##_p8; break; \
case 9: lut3d->interp = interp_16_##name##_p9; break; \
case 10: lut3d->interp = interp_16_##name##_p10; break; \
case 12: lut3d->interp = interp_16_##name##_p12; break; \
case 14: lut3d->interp = interp_16_##name##_p14; break; \
case 16: lut3d->interp = interp_16_##name##_p16; break; \
} \
} else if (is16bit) { lut3d->interp = interp_16_##name; \
} else { lut3d->interp = interp_8_##name; } \
} while (0)
uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)((*(constuint8_t *) pi-0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)(*(constint16_t *) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)(*(constint32_t *) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,(*(constint64_t *) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64,*(constint64_t *) pi *(1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf(*(constfloat *) pi *(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint(*(constdouble *) pi *(INT64_C(1)<< 63)))#defineFMT_PAIR_FUNC(out, in) staticconv_func_type *constfmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB *AV_SAMPLE_FMT_NB]={FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64),};staticvoidcpy1(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, len);}staticvoidcpy2(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 2 *len);}staticvoidcpy4(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 4 *len);}staticvoidcpy8(uint8_t **dst, constuint8_t **src, intlen){memcpy(*dst,*src, 8 *len);}AudioConvert *swri_audio_convert_alloc(enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, constint *ch_map, intflags){AudioConvert *ctx;conv_func_type *f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB *av_get_packed_sample_fmt(in_fmt)];if(!f) returnNULL;ctx=av_mallocz(sizeof(*ctx));if(!ctx) returnNULL;if(channels==1){in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);}ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8||in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map){switch(av_get_bytes_per_sample(in_fmt)){case1:ctx->simd_f=cpy1;break;case2:ctx->simd_f=cpy2;break;case4:ctx->simd_f=cpy4;break;case8:ctx->simd_f=cpy8;break;}}if(HAVE_X86ASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);returnctx;}voidswri_audio_convert_free(AudioConvert **ctx){av_freep(ctx);}intswri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, intlen){intch;intoff=0;constintos=(out->planar?1:out->ch_count)*out->bps;unsignedmisaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask){intplanes=in->planar?in->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) in->ch[ch];misaligned|=m &ctx->in_simd_align_mask;}if(ctx->out_simd_align_mask){intplanes=out->planar?out->ch_count:1;unsignedm=0;for(ch=0;ch< planes;ch++) m|=(intptr_t) out->ch[ch];misaligned|=m &ctx->out_simd_align_mask;}if(ctx->simd_f &&!ctx->ch_map &&!misaligned){off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX||!in->ch[ctx->channels]);if(off >0){if(out->planar==in->planar){intplanes=out->planar?out->ch_count:1;for(ch=0;ch< planes;ch++){ctx->simd_f(out-> ch const uint8_t **in ch off *out planar
Definition: audioconvert.c:56
if(ret< 0)
Definition: vf_mcdeint.c:279
const char * name
Definition: opengl_enc.c:103

Referenced by config_input().

Enumeration Type Documentation


Definition at line 45 of file vf_lut3d.c.

Function Documentation

static float lerpf ( float  v0,
float  v1,
float  f 

Definition at line 92 of file vf_lut3d.c.

Referenced by lerp().

static struct rgbvec lerp ( const struct rgbvec v0,
const struct rgbvec v1,
float  f 

Definition at line 97 of file vf_lut3d.c.

Referenced by interp_trilinear().

static struct rgbvec interp_nearest ( const LUT3DContext lut3d,
const struct rgbvec s 

Get the nearest defined point.

Definition at line 112 of file vf_lut3d.c.

static struct rgbvec interp_trilinear ( const LUT3DContext lut3d,
const struct rgbvec s 

Interpolate using the 8 vertices of a cube.

See Also

Definition at line 122 of file vf_lut3d.c.

static struct rgbvec interp_tetrahedral ( const LUT3DContext lut3d,
const struct rgbvec s 

Tetrahedral interpolation.

Based on code found in Truelight Software Library paper.

See Also

Definition at line 150 of file vf_lut3d.c.

static int skip_line ( const char *  p)

Definition at line 330 of file vf_lut3d.c.

Referenced by parse_3dl(), parse_cube(), and parse_dat().

static int parse_dat ( AVFilterContext ctx,
FILE *  f 

Definition at line 346 of file vf_lut3d.c.

static int parse_cube ( AVFilterContext ctx,
FILE *  f 

Definition at line 379 of file vf_lut3d.c.

static int parse_3dl ( AVFilterContext ctx,
FILE *  f 

Definition at line 434 of file vf_lut3d.c.

static int parse_m3d ( AVFilterContext ctx,
FILE *  f 

Definition at line 463 of file vf_lut3d.c.

static void set_identity_matrix ( LUT3DContext lut3d,
int  size 

Definition at line 526 of file vf_lut3d.c.

static int query_formats ( AVFilterContext ctx)

Definition at line 544 of file vf_lut3d.c.

static int config_input ( AVFilterLink inlink)

Definition at line 568 of file vf_lut3d.c.

static AVFrame* apply_lut ( AVFilterLink inlink,
AVFrame in 

Definition at line 626 of file vf_lut3d.c.

Referenced by filter_frame().

static int filter_frame ( AVFilterLink inlink,
AVFrame in 

Definition at line 655 of file vf_lut3d.c.