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FFmpeg/libavcodec/aarch64/aacpsdsp_init_aarch64.c
Clément Bœsch ff0ecef624 lavc/aarch64: add a few SIMD functions for AAC PS
☭ tests/checkasm/checkasm --bench --test=aacpsdsp
checkasm: using random seed 3318985180
MMX implied by specified flags
MMX implied by specified flags
NEON:
 - aacpsdsp.add_squares        [OK]
 - aacpsdsp.mul_pair_single    [OK]
 - aacpsdsp.hybrid_analysis    [OK]
 - aacpsdsp.stereo_interpolate [OK]
checkasm: all 5 tests passed
nop: 10.0
ps_add_squares_c: 63221.2
ps_add_squares_neon: 22311.7
ps_hybrid_analysis_c: 2466.6
ps_hybrid_analysis_neon: 1521.9
ps_mul_pair_single_c: 68592.0
ps_mul_pair_single_neon: 17426.6
ps_stereo_interpolate_c: 72344.3
ps_stereo_interpolate_neon: 72308.8
ps_stereo_interpolate_ipdopd_c: 117415.2
ps_stereo_interpolate_ipdopd_neon: 113386.3
2017-06-28 12:22:39 +02:00

49 lines
2.0 KiB
C

/*
* 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/aarch64/cpu.h"
#include "libavcodec/aacpsdsp.h"
void ff_ps_add_squares_neon(float *dst, const float (*src)[2], int n);
void ff_ps_mul_pair_single_neon(float (*dst)[2], float (*src0)[2],
float *src1, int n);
void ff_ps_hybrid_analysis_neon(float (*out)[2], float (*in)[2],
const float (*filter)[8][2],
int stride, int n);
void ff_ps_stereo_interpolate_neon(float (*l)[2], float (*r)[2],
float h[2][4], float h_step[2][4],
int len);
void ff_ps_stereo_interpolate_ipdopd_neon(float (*l)[2], float (*r)[2],
float h[2][4], float h_step[2][4],
int len);
av_cold void ff_psdsp_init_aarch64(PSDSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags)) {
s->add_squares = ff_ps_add_squares_neon;
s->mul_pair_single = ff_ps_mul_pair_single_neon;
s->hybrid_analysis = ff_ps_hybrid_analysis_neon;
s->stereo_interpolate[0] = ff_ps_stereo_interpolate_neon;
s->stereo_interpolate[1] = ff_ps_stereo_interpolate_ipdopd_neon;
}
}