FFmpeg  4.4.6
cfhddsp_init.c
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1 /*
2  * Copyright (c) 2020 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 <stdint.h>
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/avcodec.h"
27 #include "libavcodec/cfhddsp.h"
28 
29 void ff_cfhd_horiz_filter_sse2(int16_t *output, ptrdiff_t out_stride,
30  const int16_t *low, ptrdiff_t low_stride,
31  const int16_t *high, ptrdiff_t high_stride,
32  int width, int height);
33 void ff_cfhd_vert_filter_sse2(int16_t *output, ptrdiff_t out_stride,
34  const int16_t *low, ptrdiff_t low_stride,
35  const int16_t *high, ptrdiff_t high_stride,
36  int width, int height);
37 void ff_cfhd_horiz_filter_clip10_sse2(int16_t *output, const int16_t *low, const int16_t *high, int width, int bpc);
38 void ff_cfhd_horiz_filter_clip12_sse2(int16_t *output, const int16_t *low, const int16_t *high, int width, int bpc);
39 
40 av_cold void ff_cfhddsp_init_x86(CFHDDSPContext *c, int depth, int bayer)
41 {
43 
44  if (EXTERNAL_SSE2(cpu_flags)) {
45  c->horiz_filter = ff_cfhd_horiz_filter_sse2;
46  c->vert_filter = ff_cfhd_vert_filter_sse2;
47  if (depth == 10 && !bayer)
48  c->horiz_filter_clip = ff_cfhd_horiz_filter_clip10_sse2;
49  if (depth == 12 && !bayer)
50  c->horiz_filter_clip = ff_cfhd_horiz_filter_clip12_sse2;
51  }
52 }
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:88
Libavcodec external API header.
void ff_cfhd_horiz_filter_clip10_sse2(int16_t *output, const int16_t *low, const int16_t *high, int width, int bpc)
av_cold void ff_cfhddsp_init_x86(CFHDDSPContext *c, int depth, int bayer)
Definition: cfhddsp_init.c:40
void ff_cfhd_horiz_filter_sse2(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int width, int height)
void ff_cfhd_vert_filter_sse2(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int width, int height)
void ff_cfhd_horiz_filter_clip12_sse2(int16_t *output, const int16_t *low, const int16_t *high, int width, int bpc)
static atomic_int cpu_flags
Definition: cpu.c:50
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95
#define height
#define width
static double c[64]
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59