/* * 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 */