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/*
* Copyright (c) 2012-2013 Oka Motofumi (chikuzen.mo at gmail dot com)
* Copyright (c) 2015 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_CONVOLUTION_H
#define AVFILTER_CONVOLUTION_H
#include "avfilter.h"
enum MatrixMode {
MATRIX_SQUARE,
MATRIX_ROW,
MATRIX_COLUMN,
MATRIX_NBMODES,
};
typedef struct ConvolutionContext {
const AVClass *class;
char *matrix_str[4];
float rdiv[4];
float bias[4];
int mode[4];
float scale;
float delta;
int planes;
int size[4];
int depth;
int max;
int bpc;
int nb_planes;
int nb_threads;
int planewidth[4];
int planeheight[4];
int matrix[4][49];
int matrix_length[4];
int copy[4];
void (*setup[4])(int radius, const uint8_t *c[], const uint8_t *src, int stride,
int x, int width, int y, int height, int bpc);
void (*filter[4])(uint8_t *dst, int width,
float rdiv, float bias, const int *const matrix,
const uint8_t *c[], int peak, int radius,
int dstride, int stride);
} ConvolutionContext;
void ff_convolution_init_x86(ConvolutionContext *s);
#endif
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