mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.8 KiB
48 lines
1.8 KiB
/* |
|
* 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 "config.h" |
|
|
|
#include "libavutil/cpu.h" |
|
#include "libavutil/float_dsp.h" |
|
|
|
extern void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1, |
|
int len); |
|
extern void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1, |
|
int len); |
|
|
|
extern void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul, |
|
int len); |
|
extern void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul, |
|
int len); |
|
|
|
void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp) |
|
{ |
|
#if HAVE_YASM |
|
int mm_flags = av_get_cpu_flags(); |
|
|
|
if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) { |
|
fdsp->vector_fmul = ff_vector_fmul_sse; |
|
fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse; |
|
} |
|
if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) { |
|
fdsp->vector_fmul = ff_vector_fmul_avx; |
|
fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx; |
|
} |
|
#endif |
|
}
|
|
|