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
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/x86/asm.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/audiodsp.h"
28 int32_t ff_scalarproduct_int16_mmxext(const int16_t *v1
, const int16_t *v2
,
30 int32_t ff_scalarproduct_int16_sse2(const int16_t *v1
, const int16_t *v2
,
33 void ff_vector_clip_int32_mmx(int32_t *dst
, const int32_t *src
,
34 int32_t min
, int32_t max
, unsigned int len
);
35 void ff_vector_clip_int32_sse2(int32_t *dst
, const int32_t *src
,
36 int32_t min
, int32_t max
, unsigned int len
);
37 void ff_vector_clip_int32_int_sse2(int32_t *dst
, const int32_t *src
,
38 int32_t min
, int32_t max
, unsigned int len
);
39 void ff_vector_clip_int32_sse4(int32_t *dst
, const int32_t *src
,
40 int32_t min
, int32_t max
, unsigned int len
);
41 void ff_vector_clipf_sse(float *dst
, const float *src
,
42 float min
, float max
, int len
);
44 av_cold
void ff_audiodsp_init_x86(AudioDSPContext
*c
)
46 int cpu_flags
= av_get_cpu_flags();
48 if (EXTERNAL_MMX(cpu_flags
))
49 c
->vector_clip_int32
= ff_vector_clip_int32_mmx
;
51 if (EXTERNAL_MMXEXT(cpu_flags
))
52 c
->scalarproduct_int16
= ff_scalarproduct_int16_mmxext
;
54 if (EXTERNAL_SSE(cpu_flags
))
55 c
->vector_clipf
= ff_vector_clipf_sse
;
57 if (EXTERNAL_SSE2(cpu_flags
)) {
58 c
->scalarproduct_int16
= ff_scalarproduct_int16_sse2
;
59 if (cpu_flags
& AV_CPU_FLAG_ATOM
)
60 c
->vector_clip_int32
= ff_vector_clip_int32_int_sse2
;
62 c
->vector_clip_int32
= ff_vector_clip_int32_sse2
;
65 if (EXTERNAL_SSE4(cpu_flags
))
66 c
->vector_clip_int32
= ff_vector_clip_int32_sse4
;