9beba05311
Unused since d74a8cb7e42f703be5796eeb485f06af710ae8ca. Reviewed-by: Rémi Denis-Courmont <remi@remlab.net> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/*
|
|
* Format Conversion Utils
|
|
* Copyright (c) 2000, 2001 Fabrice Bellard
|
|
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/cpu.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavcodec/fmtconvert.h"
|
|
|
|
#if HAVE_X86ASM
|
|
|
|
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);
|
|
|
|
#endif /* HAVE_X86ASM */
|
|
|
|
av_cold void ff_fmt_convert_init_x86(FmtConvertContext *c)
|
|
{
|
|
#if HAVE_X86ASM
|
|
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;
|
|
}
|
|
#endif /* HAVE_X86ASM */
|
|
}
|