2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "libavutil/attributes.h"
22 #include "libavutil/aarch64/cpu.h"
23 #include "libavcodec/aacpsdsp.h"
25 void ff_ps_add_squares_neon(float *dst, const float (*src)[2], int n);
26 void ff_ps_mul_pair_single_neon(float (*dst)[2], float (*src0)[2],
28 void ff_ps_hybrid_analysis_neon(float (*out)[2], float (*in)[2],
29 const float (*filter)[8][2],
30 ptrdiff_t stride, int n);
31 void ff_ps_stereo_interpolate_neon(float (*l)[2], float (*r)[2],
32 float h[2][4], float h_step[2][4],
34 void ff_ps_stereo_interpolate_ipdopd_neon(float (*l)[2], float (*r)[2],
35 float h[2][4], float h_step[2][4],
38 av_cold void ff_psdsp_init_aarch64(PSDSPContext *s)
40 int cpu_flags = av_get_cpu_flags();
42 if (have_neon(cpu_flags)) {
43 s->add_squares = ff_ps_add_squares_neon;
44 s->mul_pair_single = ff_ps_mul_pair_single_neon;
45 s->hybrid_analysis = ff_ps_hybrid_analysis_neon;
46 s->stereo_interpolate[0] = ff_ps_stereo_interpolate_neon;
47 s->stereo_interpolate[1] = ff_ps_stereo_interpolate_ipdopd_neon;