1 |
|
|
/* |
2 |
|
|
* Format Conversion Utils |
3 |
|
|
* Copyright (c) 2000, 2001 Fabrice Bellard |
4 |
|
|
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
5 |
|
|
* |
6 |
|
|
* MMX optimization by Nick Kurshev <nickols_k@mail.ru> |
7 |
|
|
* |
8 |
|
|
* This file is part of FFmpeg. |
9 |
|
|
* |
10 |
|
|
* FFmpeg is free software; you can redistribute it and/or |
11 |
|
|
* modify it under the terms of the GNU Lesser General Public |
12 |
|
|
* License as published by the Free Software Foundation; either |
13 |
|
|
* version 2.1 of the License, or (at your option) any later version. |
14 |
|
|
* |
15 |
|
|
* FFmpeg is distributed in the hope that it will be useful, |
16 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
18 |
|
|
* Lesser General Public License for more details. |
19 |
|
|
* |
20 |
|
|
* You should have received a copy of the GNU Lesser General Public |
21 |
|
|
* License along with FFmpeg; if not, write to the Free Software |
22 |
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
23 |
|
|
*/ |
24 |
|
|
|
25 |
|
|
#include "libavutil/attributes.h" |
26 |
|
|
#include "libavutil/cpu.h" |
27 |
|
|
#include "libavutil/x86/cpu.h" |
28 |
|
|
#include "libavcodec/fmtconvert.h" |
29 |
|
|
|
30 |
|
|
#if HAVE_X86ASM |
31 |
|
|
|
32 |
|
|
void ff_int32_to_float_fmul_scalar_sse (float *dst, const int32_t *src, float mul, int len); |
33 |
|
|
void ff_int32_to_float_fmul_scalar_sse2(float *dst, const int32_t *src, float mul, int len); |
34 |
|
|
void ff_int32_to_float_fmul_array8_sse (FmtConvertContext *c, float *dst, const int32_t *src, |
35 |
|
|
const float *mul, int len); |
36 |
|
|
void ff_int32_to_float_fmul_array8_sse2(FmtConvertContext *c, float *dst, const int32_t *src, |
37 |
|
|
const float *mul, int len); |
38 |
|
|
|
39 |
|
|
#endif /* HAVE_X86ASM */ |
40 |
|
|
|
41 |
|
76 |
av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx) |
42 |
|
|
{ |
43 |
|
|
#if HAVE_X86ASM |
44 |
|
76 |
int cpu_flags = av_get_cpu_flags(); |
45 |
|
|
|
46 |
✓✓ |
76 |
if (EXTERNAL_SSE(cpu_flags)) { |
47 |
|
26 |
c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse; |
48 |
|
26 |
c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_sse; |
49 |
|
|
} |
50 |
✓✓ |
76 |
if (EXTERNAL_SSE2(cpu_flags)) { |
51 |
|
25 |
c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2; |
52 |
|
25 |
c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_sse2; |
53 |
|
|
} |
54 |
|
|
#endif /* HAVE_X86ASM */ |
55 |
|
76 |
} |