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/*
* 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/lossless_audiodsp.h"
int32_t ff_scalarproduct_and_madd_int16_mmxext(int16_t *v1, const int16_t *v2,
const int16_t *v3,
int order, int mul);
int32_t ff_scalarproduct_and_madd_int16_sse2(int16_t *v1, const int16_t *v2,
const int16_t *v3,
int order, int mul);
int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2,
const int16_t *v3,
int order, int mul);
static int32_t scalarproduct_and_madd_int16_sse2(int16_t *v1, const int16_t *v2,
const int16_t *v3,
int order, int mul)
{
#if HAVE_SSE2_EXTERNAL
if (order & 8)
return ff_scalarproduct_and_madd_int16_mmxext(v1, v2, v3, order, mul);
else
return ff_scalarproduct_and_madd_int16_sse2(v1, v2, v3, order, mul);
#endif
}
static int32_t scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2,
const int16_t *v3,
int order, int mul)
{
#if HAVE_SSSE3_EXTERNAL
if (order & 8)
return ff_scalarproduct_and_madd_int16_mmxext(v1, v2, v3, order, mul);
else
return ff_scalarproduct_and_madd_int16_ssse3(v1, v2, v3, order, mul);
#endif
}
av_cold void ff_llauddsp_init_x86(LLAudDSPContext *c)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_MMXEXT(cpu_flags))
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext;
if (EXTERNAL_SSE2(cpu_flags))
c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_sse2;
if (EXTERNAL_SSSE3(cpu_flags) &&
!(cpu_flags & (AV_CPU_FLAG_SSE42 | AV_CPU_FLAG_3DNOW))) // cachesplit
c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_ssse3;
}
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