2 * Copyright (c) 2019 Paul B Mahol
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/mem.h"
24 #include "libavutil/x86/asm.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavfilter/maskedclamp.h"
28 void ff_maskedclamp8_sse2(const uint8_t *bsrc, uint8_t *dst,
29 const uint8_t *darksrc, const uint8_t *brightsrc,
30 int w, int undershoot, int overshoot);
32 void ff_maskedclamp16_sse4(const uint8_t *bsrc, uint8_t *dst,
33 const uint8_t *darksrc, const uint8_t *brightsrc,
34 int w, int undershoot, int overshoot);
36 av_cold void ff_maskedclamp_init_x86(MaskedClampDSPContext *dsp, int depth)
38 int cpu_flags = av_get_cpu_flags();
40 if (EXTERNAL_SSE2(cpu_flags) && depth <= 8) {
41 dsp->maskedclamp = ff_maskedclamp8_sse2;
44 if (EXTERNAL_SSE4(cpu_flags) && depth > 8) {
45 dsp->maskedclamp = ff_maskedclamp16_sse4;