| /* | |
| * Copyright (C) 2013 Wei Gao <[email protected]> | |
| * Copyright (C) 2013 Lenny Wang | |
| * | |
| * 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 | |
| */ | |
| typedef struct UnsharpFilterParam { | |
| int msize_x; ///< matrix width | |
| int msize_y; ///< matrix height | |
| int amount; ///< effect amount | |
| int steps_x; ///< horizontal step count | |
| int steps_y; ///< vertical step count | |
| int scalebits; ///< bits to shift pixel | |
| int32_t halfscale; ///< amount to add to pixel | |
| uint32_t *sr; ///< finite state machine storage within a row | |
| uint32_t **sc; ///< finite state machine storage across rows | |
| } UnsharpFilterParam; | |
| typedef struct UnsharpContext { | |
| const AVClass *class; | |
| int lmsize_x, lmsize_y, cmsize_x, cmsize_y; | |
| int amsize_x, amsize_y; | |
| float lamount, camount; | |
| float aamount; | |
| UnsharpFilterParam luma; ///< luma parameters (width, height, amount) | |
| UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount) | |
| UnsharpFilterParam alpha; ///< alpha parameters (width, height, amount) | |
| int hsub, vsub; | |
| int nb_planes; | |
| int bitdepth; | |
| int bps; | |
| int nb_threads; | |
| int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out); | |
| int (* unsharp_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); | |
| } UnsharpContext; | |