| Line | Branch | Exec | Source |
|---|---|---|---|
| 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_sse2(float *dst, const int32_t *src, float mul, int len); | ||
| 33 | void ff_int32_to_float_fmul_array8_sse2(FmtConvertContext *c, float *dst, const int32_t *src, | ||
| 34 | const float *mul, int len); | ||
| 35 | |||
| 36 | #endif /* HAVE_X86ASM */ | ||
| 37 | |||
| 38 | 104 | av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c) | |
| 39 | { | ||
| 40 | #if HAVE_X86ASM | ||
| 41 | 104 | int cpu_flags = av_get_cpu_flags(); | |
| 42 | |||
| 43 |
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104 | if (EXTERNAL_SSE2(cpu_flags)) { |
| 44 | 35 | c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2; | |
| 45 | 35 | c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_sse2; | |
| 46 | } | ||
| 47 | #endif /* HAVE_X86ASM */ | ||
| 48 | 104 | } | |
| 49 |