2 * Copyright (c) 2015 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/x86/cpu.h"
24 #include "libavfilter/threshold.h"
26 #define THRESHOLD_FUNC(depth, opt) \
27 void ff_threshold##depth##_##opt(const uint8_t *in, const uint8_t *threshold,\
28 const uint8_t *min, const uint8_t *max, \
30 ptrdiff_t ilinesize, ptrdiff_t tlinesize, \
31 ptrdiff_t flinesize, ptrdiff_t slinesize, \
32 ptrdiff_t olinesize, \
35 THRESHOLD_FUNC(8, sse4)
36 THRESHOLD_FUNC(8, avx2)
37 THRESHOLD_FUNC(16, sse4)
38 THRESHOLD_FUNC(16, avx2)
40 av_cold void ff_threshold_init_x86(ThresholdContext *s)
42 int cpu_flags = av_get_cpu_flags();
45 if (EXTERNAL_SSE4(cpu_flags)) {
46 s->threshold = ff_threshold8_sse4;
48 if (EXTERNAL_AVX2_FAST(cpu_flags)) {
49 s->threshold = ff_threshold8_avx2;
51 } else if (s->depth == 16) {
52 if (EXTERNAL_SSE4(cpu_flags)) {
53 s->threshold = ff_threshold16_sse4;
55 if (EXTERNAL_AVX2_FAST(cpu_flags)) {
56 s->threshold = ff_threshold16_avx2;