FFmpeg  4.4.6
cfhdencdsp_init.c
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1 /*
2  * Copyright (c) 2021 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/cfhdencdsp.h"
28 
29 void ff_cfhdenc_horiz_filter_sse2(int16_t *input, int16_t *low, int16_t *high,
30  ptrdiff_t in_stride, ptrdiff_t low_stride,
31  ptrdiff_t high_stride,
32  int width, int height);
33 void ff_cfhdenc_vert_filter_sse2(int16_t *input, int16_t *low, int16_t *high,
34  ptrdiff_t in_stride, ptrdiff_t low_stride,
35  ptrdiff_t high_stride,
36  int width, int height);
37 
39 {
41 
42 #if ARCH_X86_64
43  if (EXTERNAL_SSE2(cpu_flags)) {
44  c->horiz_filter = ff_cfhdenc_horiz_filter_sse2;
45  c->vert_filter = ff_cfhdenc_vert_filter_sse2;
46  }
47 #endif
48 }
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:88
Libavcodec external API header.
av_cold void ff_cfhdencdsp_init_x86(CFHDEncDSPContext *c)
void ff_cfhdenc_horiz_filter_sse2(int16_t *input, int16_t *low, int16_t *high, ptrdiff_t in_stride, ptrdiff_t low_stride, ptrdiff_t high_stride, int width, int height)
void ff_cfhdenc_vert_filter_sse2(int16_t *input, int16_t *low, int16_t *high, ptrdiff_t in_stride, ptrdiff_t low_stride, ptrdiff_t high_stride, int width, int height)
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