blob: 54c4fdb6d1e12e279eb792c0dd2b267252d5b0a8
| 1 | /* |
| 2 | * Copyright (c) 2013 Paul B Mahol |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #ifndef AVFILTER_BLEND_H |
| 22 | #define AVFILTER_BLEND_H |
| 23 | |
| 24 | #include "libavutil/eval.h" |
| 25 | #include "avfilter.h" |
| 26 | |
| 27 | enum BlendMode { |
| 28 | BLEND_UNSET = -1, |
| 29 | BLEND_NORMAL, |
| 30 | BLEND_ADDITION, |
| 31 | BLEND_AND, |
| 32 | BLEND_AVERAGE, |
| 33 | BLEND_BURN, |
| 34 | BLEND_DARKEN, |
| 35 | BLEND_DIFFERENCE, |
| 36 | BLEND_DIFFERENCE128, |
| 37 | BLEND_DIVIDE, |
| 38 | BLEND_DODGE, |
| 39 | BLEND_EXCLUSION, |
| 40 | BLEND_HARDLIGHT, |
| 41 | BLEND_LIGHTEN, |
| 42 | BLEND_MULTIPLY, |
| 43 | BLEND_NEGATION, |
| 44 | BLEND_OR, |
| 45 | BLEND_OVERLAY, |
| 46 | BLEND_PHOENIX, |
| 47 | BLEND_PINLIGHT, |
| 48 | BLEND_REFLECT, |
| 49 | BLEND_SCREEN, |
| 50 | BLEND_SOFTLIGHT, |
| 51 | BLEND_SUBTRACT, |
| 52 | BLEND_VIVIDLIGHT, |
| 53 | BLEND_XOR, |
| 54 | BLEND_HARDMIX, |
| 55 | BLEND_LINEARLIGHT, |
| 56 | BLEND_GLOW, |
| 57 | BLEND_ADDITION128, |
| 58 | BLEND_MULTIPLY128, |
| 59 | BLEND_HEAT, |
| 60 | BLEND_FREEZE, |
| 61 | BLEND_NB |
| 62 | }; |
| 63 | |
| 64 | typedef struct FilterParams { |
| 65 | enum BlendMode mode; |
| 66 | double opacity; |
| 67 | AVExpr *e; |
| 68 | char *expr_str; |
| 69 | void (*blend)(const uint8_t *top, ptrdiff_t top_linesize, |
| 70 | const uint8_t *bottom, ptrdiff_t bottom_linesize, |
| 71 | uint8_t *dst, ptrdiff_t dst_linesize, |
| 72 | ptrdiff_t width, ptrdiff_t height, |
| 73 | struct FilterParams *param, double *values, int starty); |
| 74 | } FilterParams; |
| 75 | |
| 76 | void ff_blend_init(FilterParams *param, int is_16bit); |
| 77 | void ff_blend_init_x86(FilterParams *param, int is_16bit); |
| 78 | |
| 79 | #endif /* AVFILTER_BLEND_H */ |
| 80 |