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 <stdint.h>
20
21 #include "config.h"
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/audiodsp.h"
26
27 int32_t ff_scalarproduct_int16_mmxext(const int16_t *v1, const int16_t *v2,
28 int order);
29 int32_t ff_scalarproduct_int16_sse2(const int16_t *v1, const int16_t *v2,
30 int order);
31
32 void ff_vector_clip_int32_mmx(int32_t *dst, const int32_t *src,
33 int32_t min, int32_t max, unsigned int len);
34 void ff_vector_clip_int32_sse2(int32_t *dst, const int32_t *src,
35 int32_t min, int32_t max, unsigned int len);
36 void ff_vector_clip_int32_int_sse2(int32_t *dst, const int32_t *src,
37 int32_t min, int32_t max, unsigned int len);
38 void ff_vector_clip_int32_sse4(int32_t *dst, const int32_t *src,
39 int32_t min, int32_t max, unsigned int len);
40 void ff_vector_clipf_sse(float *dst, const float *src,
41 int len, float min, float max);
42
ff_audiodsp_init_x86(AudioDSPContext * c)43 av_cold void ff_audiodsp_init_x86(AudioDSPContext *c)
44 {
45 int cpu_flags = av_get_cpu_flags();
46
47 if (EXTERNAL_MMX(cpu_flags))
48 c->vector_clip_int32 = ff_vector_clip_int32_mmx;
49
50 if (EXTERNAL_MMXEXT(cpu_flags))
51 c->scalarproduct_int16 = ff_scalarproduct_int16_mmxext;
52
53 if (EXTERNAL_SSE(cpu_flags))
54 c->vector_clipf = ff_vector_clipf_sse;
55
56 if (EXTERNAL_SSE2(cpu_flags)) {
57 c->scalarproduct_int16 = ff_scalarproduct_int16_sse2;
58 if (cpu_flags & AV_CPU_FLAG_ATOM)
59 c->vector_clip_int32 = ff_vector_clip_int32_int_sse2;
60 else
61 c->vector_clip_int32 = ff_vector_clip_int32_sse2;
62 }
63
64 if (EXTERNAL_SSE4(cpu_flags))
65 c->vector_clip_int32 = ff_vector_clip_int32_sse4;
66 }
67