3 * This file is part of FFmpeg.
5 * FFmpeg is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * FFmpeg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with FFmpeg; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavfilter/convolution.h"
27 void ff_filter_3x3_sse4(uint8_t *dst, int width,
28 float rdiv, float bias, const int *const matrix,
29 const uint8_t *c[], int peak, int radius,
30 int dstride, int stride, int size);
32 av_cold void ff_convolution_init_x86(ConvolutionContext *s)
36 int cpu_flags = av_get_cpu_flags();
37 for (i = 0; i < 4; i++) {
38 if (s->mode[i] == MATRIX_SQUARE) {
39 if (s->matrix_length[i] == 9 && s->depth == 8) {
40 if (EXTERNAL_SSE4(cpu_flags))
41 s->filter[i] = ff_filter_3x3_sse4;