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/lossless_audiodsp.h"
23
24 int32_t ff_scalarproduct_and_madd_int16_mmxext(int16_t *v1, const int16_t *v2,
25 const int16_t *v3,
26 int order, int mul);
27 int32_t ff_scalarproduct_and_madd_int16_sse2(int16_t *v1, const int16_t *v2,
28 const int16_t *v3,
29 int order, int mul);
30 int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2,
31 const int16_t *v3,
32 int order, int mul);
33
34 int32_t ff_scalarproduct_and_madd_int32_sse4(int16_t *v1, const int32_t *v2,
35 const int16_t *v3,
36 int order, int mul);
37
ff_llauddsp_init_x86(LLAudDSPContext * c)38 av_cold void ff_llauddsp_init_x86(LLAudDSPContext *c)
39 {
40 #if HAVE_X86ASM
41 int cpu_flags = av_get_cpu_flags();
42
43 if (EXTERNAL_MMXEXT(cpu_flags))
44 c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext;
45
46 if (EXTERNAL_SSE2(cpu_flags))
47 c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_sse2;
48
49 if (EXTERNAL_SSSE3(cpu_flags) &&
50 !(cpu_flags & (AV_CPU_FLAG_SSE42 | AV_CPU_FLAG_3DNOW))) // cachesplit
51 c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_ssse3;
52
53 if (EXTERNAL_SSE4(cpu_flags))
54 c->scalarproduct_and_madd_int32 = ff_scalarproduct_and_madd_int32_sse4;
55 #endif
56 }
57