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
LFE_FIR_FLOAT_FUNCnull30 LFE_FIR_FLOAT_FUNC(sse2)
31 LFE_FIR_FLOAT_FUNC(sse3)
32 LFE_FIR_FLOAT_FUNC(avx)
33 LFE_FIR_FLOAT_FUNC(fma3)
34
35 av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
36 {
37 int cpu_flags = av_get_cpu_flags();
38
39 if (EXTERNAL_SSE2(cpu_flags))
40 s->lfe_fir_float[0] = ff_lfe_fir0_float_sse2;
41 if (EXTERNAL_SSE3(cpu_flags))
42 s->lfe_fir_float[1] = ff_lfe_fir1_float_sse3;
43 if (EXTERNAL_AVX(cpu_flags)) {
44 s->lfe_fir_float[0] = ff_lfe_fir0_float_avx;
45 s->lfe_fir_float[1] = ff_lfe_fir1_float_avx;
46 }
47 if (EXTERNAL_FMA3(cpu_flags))
48 s->lfe_fir_float[0] = ff_lfe_fir0_float_fma3;
49 }
50