1 /* 2 * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com> 3 * Copyright (C) 2013 Lenny Wang 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 #ifndef AVFILTER_UNSHARP_H 23 #define AVFILTER_UNSHARP_H 24 25 #include "config.h" 26 #include "avfilter.h" 27 28 #define MIN_MATRIX_SIZE 3 29 #define MAX_MATRIX_SIZE 63 30 31 32 typedef struct UnsharpFilterParam { 33 int msize_x; ///< matrix width 34 int msize_y; ///< matrix height 35 int amount; ///< effect amount 36 int steps_x; ///< horizontal step count 37 int steps_y; ///< vertical step count 38 int scalebits; ///< bits to shift pixel 39 int32_t halfscale; ///< amount to add to pixel 40 uint32_t *sr; ///< finite state machine storage within a row 41 uint32_t **sc; ///< finite state machine storage across rows 42 } UnsharpFilterParam; 43 44 typedef struct UnsharpContext { 45 const AVClass *class; 46 int lmsize_x, lmsize_y, cmsize_x, cmsize_y; 47 float lamount, camount; 48 UnsharpFilterParam luma; ///< luma parameters (width, height, amount) 49 UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount) 50 int hsub, vsub; 51 int bitdepth; 52 int bps; 53 int nb_threads; 54 int opencl; 55 int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out); 56 int (* unsharp_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); 57 } UnsharpContext; 58 59 #endif /* AVFILTER_UNSHARP_H */ 60