x86: dcadsp: implement int8x8_fmul_int32
[libav.git] / libavcodec / x86 / dcadsp_init.c
1 /*
2 * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavcodec/dcadsp.h"
25
26 void ff_int8x8_fmul_int32_sse(float *dst, const int8_t *src, int scale);
27 void ff_int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale);
28 void ff_int8x8_fmul_int32_sse4(float *dst, const int8_t *src, int scale);
29
30 av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
31 {
32 int cpu_flags = av_get_cpu_flags();
33
34 if (EXTERNAL_SSE(cpu_flags)) {
35 #if ARCH_X86_32
36 s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse;
37 #endif
38 }
39
40 if (EXTERNAL_SSE2(cpu_flags)) {
41 s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse2;
42 }
43
44 if (EXTERNAL_SSE4(cpu_flags)) {
45 s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse4;
46 }
47 }