FFmpeg4/libavutil/ppc/float_dsp_init.c

53 lines
1.9 KiB
C
Raw Normal View History

2023-07-02 12:20:28 +00:00
/*
* Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
*
* 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/float_dsp.h"
#include "libavutil/ppc/cpu.h"
#include "float_dsp_altivec.h"
#include "float_dsp_vsx.h"
av_cold void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
{
if (PPC_ALTIVEC(av_get_cpu_flags())) {
fdsp->vector_fmul = ff_vector_fmul_altivec;
fdsp->vector_fmul_add = ff_vector_fmul_add_altivec;
fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_altivec;
if (!bit_exact) {
fdsp->vector_fmul_window = ff_vector_fmul_window_altivec;
}
}
// The disabled function below are near identical to altivec and have
// been disabled to reduce code duplication
if (PPC_VSX(av_get_cpu_flags())) {
// fdsp->vector_fmul = ff_vector_fmul_vsx;
fdsp->vector_fmul_add = ff_vector_fmul_add_vsx;
// fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_vsx;
// if (!bit_exact) {
// fdsp->vector_fmul_window = ff_vector_fmul_window_vsx;
// }
}
}