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bswapdsp_init.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include <stdint.h>
20 
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavcodec/bswapdsp.h"
25 
26 void ff_bswap32_buf_sse2(uint32_t *dst, const uint32_t *src, int w);
27 void ff_bswap32_buf_ssse3(uint32_t *dst, const uint32_t *src, int w);
28 void ff_bswap32_buf_avx2(uint32_t *dst, const uint32_t *src, int w);
29 
31 {
33 
34  if (EXTERNAL_SSE2(cpu_flags))
36  if (EXTERNAL_SSSE3(cpu_flags))
38  if (EXTERNAL_AVX2_FAST(cpu_flags))
40 }
void(* bswap_buf)(uint32_t *dst, const uint32_t *src, int w)
Definition: bswapdsp.h:25
static atomic_int cpu_flags
Definition: cpu.c:50
#define src
Definition: vp8dsp.c:254
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:82
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
void ff_bswap32_buf_sse2(uint32_t *dst, const uint32_t *src, int w)
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:92
av_cold void ff_bswapdsp_init_x86(BswapDSPContext *c)
Definition: bswapdsp_init.c:30
void ff_bswap32_buf_avx2(uint32_t *dst, const uint32_t *src, int w)
static double c[64]
void ff_bswap32_buf_ssse3(uint32_t *dst, const uint32_t *src, int w)