/* * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com> * 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 */ #ifndef AVFILTER_UNSHARP_H#define AVFILTER_UNSHARP_H #include "config.h"#include "avfilter.h" #define MIN_MATRIX_SIZE 3#define MAX_MATRIX_SIZE 63  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; #endif /* AVFILTER_UNSHARP_H */