FFmpeg
dcadsp_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 "libavutil/attributes.h"
20 #include "libavutil/cpu.h"
21 #include "libavutil/x86/cpu.h"
22 #include "libavcodec/dcadsp.h"
23 
24 #define LFE_FIR_FLOAT_FUNC(opt) \
25 void ff_lfe_fir0_float_##opt(float *pcm_samples, int32_t *lfe_samples, \
26  const float *filter_coeff, ptrdiff_t npcmblocks); \
27 void ff_lfe_fir1_float_##opt(float *pcm_samples, int32_t *lfe_samples, \
28  const float *filter_coeff, ptrdiff_t npcmblocks);
29 
35 
37 {
39 
40  if (ARCH_X86_32 && EXTERNAL_SSE(cpu_flags))
41  s->lfe_fir_float[0] = ff_lfe_fir0_float_sse;
42  if (EXTERNAL_SSE2(cpu_flags))
43  s->lfe_fir_float[0] = ff_lfe_fir0_float_sse2;
44  if (EXTERNAL_SSE3(cpu_flags))
45  s->lfe_fir_float[1] = ff_lfe_fir1_float_sse3;
46  if (EXTERNAL_AVX(cpu_flags)) {
47  s->lfe_fir_float[0] = ff_lfe_fir0_float_avx;
48  s->lfe_fir_float[1] = ff_lfe_fir1_float_avx;
49  }
50  if (EXTERNAL_FMA3(cpu_flags))
51  s->lfe_fir_float[0] = ff_lfe_fir0_float_fma3;
52 }
static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride)
static atomic_int cpu_flags
Definition: cpu.c:50
#define EXTERNAL_SSE(flags)
Definition: cpu.h:58
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:82
#define EXTERNAL_SSE3(flags)
Definition: cpu.h:62
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
#define s(width, name)
Definition: cbs_vp9.c:257
#define LFE_FIR_FLOAT_FUNC(opt)
Definition: dcadsp_init.c:24
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
#define EXTERNAL_FMA3(flags)
Definition: cpu.h:74
av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
Definition: dcadsp_init.c:36
#define EXTERNAL_AVX(flags)
Definition: cpu.h:70