42 lines
1.4 KiB
C
Executable File
42 lines
1.4 KiB
C
Executable File
/*
|
|
* 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/attributes.h"
|
|
#include "libavutil/cpu.h"
|
|
#include "libavutil/x86/cpu.h"
|
|
#include "libavcodec/dct.h"
|
|
|
|
void ff_dct32_float_sse(FFTSample *out, const FFTSample *in);
|
|
void ff_dct32_float_sse2(FFTSample *out, const FFTSample *in);
|
|
void ff_dct32_float_avx(FFTSample *out, const FFTSample *in);
|
|
|
|
av_cold void ff_dct_init_x86(DCTContext *s)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
#if ARCH_X86_32
|
|
if (EXTERNAL_SSE(cpu_flags))
|
|
s->dct32 = ff_dct32_float_sse;
|
|
#endif
|
|
if (EXTERNAL_SSE2(cpu_flags))
|
|
s->dct32 = ff_dct32_float_sse2;
|
|
if (EXTERNAL_AVX_FAST(cpu_flags))
|
|
s->dct32 = ff_dct32_float_avx;
|
|
}
|