2 * This file is part of FFmpeg.
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.
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.
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
19 #include "libavutil/attributes.h"
20 #include "libavutil/cpu.h"
21 #include "libavutil/x86/cpu.h"
22 #include "libavcodec/lossless_audiodsp.h"
24 int32_t ff_scalarproduct_and_madd_int16_mmxext(int16_t *v1
, const int16_t *v2
,
27 int32_t ff_scalarproduct_and_madd_int16_sse2(int16_t *v1
, const int16_t *v2
,
30 int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1
, const int16_t *v2
,
34 av_cold
void ff_llauddsp_init_x86(LLAudDSPContext
*c
)
36 int cpu_flags
= av_get_cpu_flags();
38 if (EXTERNAL_MMXEXT(cpu_flags
))
39 c
->scalarproduct_and_madd_int16
= ff_scalarproduct_and_madd_int16_mmxext
;
41 if (EXTERNAL_SSE2(cpu_flags
))
42 c
->scalarproduct_and_madd_int16
= ff_scalarproduct_and_madd_int16_sse2
;
44 if (EXTERNAL_SSSE3(cpu_flags
) &&
45 !(cpu_flags
& (AV_CPU_FLAG_SSE42
| AV_CPU_FLAG_3DNOW
))) // cachesplit
46 c
->scalarproduct_and_madd_int16
= ff_scalarproduct_and_madd_int16_ssse3
;