/* | |
* Format Conversion Utils | |
* Copyright (c) 2000, 2001 Fabrice Bellard | |
* Copyright (c) 2002-2004 Michael Niedermayer <[email protected]> | |
* | |
* MMX optimization by Nick Kurshev <[email protected]> | |
* | |
* This file is part of FFmpeg. | |
* | |
* FFmpeg is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU Lesser General Public | |
* License as published by the Free Software Foundation; either | |
* version 2.1 of the License, or (at your option) any later version. | |
* | |
* FFmpeg is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
* Lesser General Public License for more details. | |
* | |
* You should have received a copy of the GNU Lesser General Public | |
* License along with FFmpeg; if not, write to the Free Software | |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
*/ | |
void ff_int32_to_float_fmul_scalar_sse2(float *dst, const int32_t *src, float mul, int len); | |
void ff_int32_to_float_fmul_array8_sse2(FmtConvertContext *c, float *dst, const int32_t *src, | |
const float *mul, int len); | |
av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c) | |
{ | |
int cpu_flags = av_get_cpu_flags(); | |
if (EXTERNAL_SSE2(cpu_flags)) { | |
c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_sse2; | |
c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_sse2; | |
} | |
} | |