Tested using a simple command (apply edge enhance): ./ffmpeg_g -i ~/Downloads/bbb_sunflower_1080p_30fps_normal.mp4 \ -vf convolution="0 0 0 -1 1 0 0 0 0:0 0 0 -1 1 0 0 0 0:0 0 0 -1 1 0 0 0 0:0 0 0 -1 1 0 0 0 0:5:1:1:1:0:128:128:128" \ -an -vframes 1000 -f null /dev/null The fps increase from 151 to 270 on my local machine.
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| 1 | +/* | |
| 2 | + * Copyright (c) 2012-2013 Oka Motofumi (chikuzen.mo at gmail dot com) | |
| 3 | + * Copyright (c) 2015 Paul B Mahol | |
| 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 | +#ifndef AVFILTER_CONVOLUTION_H | |
| 22 | +#define AVFILTER_CONVOLUTION_H | |
| 23 | +#include "avfilter.h" | |
| 24 | + | |
| 25 | +enum MatrixMode { | |
| 26 | + MATRIX_SQUARE, | |
| 27 | + MATRIX_ROW, | |
| 28 | + MATRIX_COLUMN, | |
| 29 | + MATRIX_NBMODES, | |
| 30 | +}; | |
| 31 | + | |
| 32 | +typedef struct ConvolutionContext { | |
| 33 | + const AVClass *class; | |
| 34 | + | |
| 35 | + char *matrix_str[4]; | |
| 36 | + float rdiv[4]; | |
| 37 | + float bias[4]; | |
| 38 | + int mode[4]; | |
| 39 | + float scale; | |
| 40 | + float delta; | |
| 41 | + int planes; | |
| 42 | + | |
| 43 | + int size[4]; | |
| 44 | + int depth; | |
| 45 | + int max; | |
| 46 | + int bpc; | |
| 47 | + int nb_planes; | |
| 48 | + int nb_threads; | |
| 49 | + int planewidth[4]; | |
| 50 | + int planeheight[4]; | |
| 51 | + int matrix[4][49]; | |
| 52 | + int matrix_length[4]; | |
| 53 | + int copy[4]; | |
| 54 | + | |
| 55 | + void (*setup[4])(int radius, const uint8_t *c[], const uint8_t *src, int stride, | |
| 56 | + int x, int width, int y, int height, int bpc); | |
| 57 | + void (*filter[4])(uint8_t *dst, int width, | |
| 58 | + float rdiv, float bias, const int *const matrix, | |
| 59 | + const uint8_t *c[], int peak, int radius, | |
| 60 | + int dstride, int stride); | |
| 61 | +} ConvolutionContext; | |
| 62 | + | |
| 63 | +void ff_convolution_init_x86(ConvolutionContext *s); | |
| 64 | +#endif | |