2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #include "libavutil/x86/cpu.h"
21 #include "libavfilter/limiter.h"
23 void ff_limiter_8bit_sse2(const uint8_t *src, uint8_t *dst,
24 ptrdiff_t slinesize, ptrdiff_t dlinesize,
25 int w, int h, int min, int max);
26 void ff_limiter_16bit_sse4(const uint8_t *src, uint8_t *dst,
27 ptrdiff_t slinesize, ptrdiff_t dlinesize,
28 int w, int h, int min, int max);
30 void ff_limiter_init_x86(LimiterDSPContext *dsp, int bpp)
32 int cpu_flags = av_get_cpu_flags();
34 if (EXTERNAL_SSE2(cpu_flags)) {
36 dsp->limiter = ff_limiter_8bit_sse2;
39 if (EXTERNAL_SSE4(cpu_flags)) {
41 dsp->limiter = ff_limiter_16bit_sse4;