FFmpeg
vf_threshold_init.c
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1 /*
2  * Copyright (c) 2015 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
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.
10  *
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.
15  *
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
19  */
20 
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavfilter/threshold.h"
25 
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, \
29  uint8_t *out, \
30  ptrdiff_t ilinesize, ptrdiff_t tlinesize, \
31  ptrdiff_t flinesize, ptrdiff_t slinesize, \
32  ptrdiff_t olinesize, \
33  int w, int h);
34 
35 THRESHOLD_FUNC(8, sse4)
36 THRESHOLD_FUNC(8, avx2)
37 THRESHOLD_FUNC(16, sse4)
38 THRESHOLD_FUNC(16, avx2)
39 
41 {
43 
44  if (s->depth == 8) {
45  if (EXTERNAL_SSE4(cpu_flags)) {
46  s->threshold = ff_threshold8_sse4;
47  }
48  if (EXTERNAL_AVX2_FAST(cpu_flags)) {
49  s->threshold = ff_threshold8_avx2;
50  }
51  } else if (s->depth == 16) {
52  if (EXTERNAL_SSE4(cpu_flags)) {
53  s->threshold = ff_threshold16_sse4;
54  }
55  if (EXTERNAL_AVX2_FAST(cpu_flags)) {
56  s->threshold = ff_threshold16_avx2;
57  }
58  }
59 }
av_cold void ff_threshold_init_x86(ThresholdContext *s)
static atomic_int cpu_flags
Definition: cpu.c:50
Macro definitions for various function/variable attributes.
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
#define av_cold
Definition: attributes.h:88
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
#define THRESHOLD_FUNC(depth, opt)
#define s(width, name)
Definition: cbs_vp9.c:257
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95