mirror of https://git.ffmpeg.org/ffmpeg.git
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2013 Clément Bœsch
|
||
|
|
* Copyright (c) 2018 Paul B Mahol
|
||
|
|
*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with FFmpeg; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
#ifndef AVFILTER_LUT3D_H
|
||
|
|
#define AVFILTER_LUT3D_H
|
||
|
|
|
||
|
|
#include "libavutil/pixdesc.h"
|
||
|
|
#include "framesync.h"
|
||
|
|
#include "avfilter.h"
|
||
|
|
|
||
|
|
enum interp_mode {
|
||
|
|
INTERPOLATE_NEAREST,
|
||
|
|
INTERPOLATE_TRILINEAR,
|
||
|
|
INTERPOLATE_TETRAHEDRAL,
|
||
|
|
INTERPOLATE_PYRAMID,
|
||
|
|
INTERPOLATE_PRISM,
|
||
|
|
NB_INTERP_MODE
|
||
|
|
};
|
||
|
|
|
||
|
|
struct rgbvec {
|
||
|
|
float r, g, b;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* 3D LUT don't often go up to level 32, but it is common to have a Hald CLUT
|
||
|
|
* of 512x512 (64x64x64) */
|
||
|
|
#define MAX_LEVEL 256
|
||
|
|
#define PRELUT_SIZE 65536
|
||
|
|
|
||
|
|
typedef struct Lut3DPreLut {
|
||
|
|
int size;
|
||
|
|
float min[3];
|
||
|
|
float max[3];
|
||
|
|
float scale[3];
|
||
|
|
float* lut[3];
|
||
|
|
} Lut3DPreLut;
|
||
|
|
|
||
|
|
typedef struct LUT3DContext {
|
||
|
|
const AVClass *class;
|
||
|
|
struct rgbvec *lut;
|
||
|
|
int lutsize;
|
||
|
|
int lutsize2;
|
||
|
|
struct rgbvec scale;
|
||
|
|
int interpolation; ///<interp_mode
|
||
|
|
char *file;
|
||
|
|
uint8_t rgba_map[4];
|
||
|
|
int step;
|
||
|
|
avfilter_action_func *interp;
|
||
|
|
Lut3DPreLut prelut;
|
||
|
|
#if CONFIG_HALDCLUT_FILTER
|
||
|
|
uint8_t clut_rgba_map[4];
|
||
|
|
int clut_step;
|
||
|
|
int clut_bits;
|
||
|
|
int clut_planar;
|
||
|
|
int clut_float;
|
||
|
|
int clut_width;
|
||
|
|
FFFrameSync fs;
|
||
|
|
#endif
|
||
|
|
} LUT3DContext;
|
||
|
|
|
||
|
|
typedef struct ThreadData {
|
||
|
|
AVFrame *in, *out;
|
||
|
|
} ThreadData;
|
||
|
|
|
||
|
|
void ff_lut3d_init_x86(LUT3DContext *s, const AVPixFmtDescriptor *desc);
|
||
|
|
|
||
|
|
#endif /* AVFILTER_LUT3D_H */
|