| /* |
| * 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 "config_components.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 |
| int clut; |
| int got_clut; |
| 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 */ |