2 * Copyright (c) 2012 Mans Rullgard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libavutil/arm/cpu.h"
24 #include "libavutil/attributes.h"
25 #include "libavcodec/aacpsdsp.h"
27 void ff_ps_add_squares_neon(float *dst
, const float (*src
)[2], int n
);
28 void ff_ps_mul_pair_single_neon(float (*dst
)[2], float (*src0
)[2],
30 void ff_ps_hybrid_analysis_neon(float (*out
)[2], float (*in
)[2],
31 const float (*filter
)[8][2],
33 void ff_ps_hybrid_analysis_ileave_neon(float (*out
)[32][2], float L
[2][38][64],
35 void ff_ps_hybrid_synthesis_deint_neon(float out
[2][38][64], float (*in
)[32][2],
37 void ff_ps_decorrelate_neon(float (*out
)[2], float (*delay
)[2],
38 float (*ap_delay
)[PS_QMF_TIME_SLOTS
+PS_MAX_AP_DELAY
][2],
39 const float phi_fract
[2], float (*Q_fract
)[2],
40 const float *transient_gain
, float g_decay_slope
,
42 void ff_ps_stereo_interpolate_neon(float (*l
)[2], float (*r
)[2],
43 float h
[2][4], float h_step
[2][4],
46 av_cold
void ff_psdsp_init_arm(PSDSPContext
*s
)
48 int cpu_flags
= av_get_cpu_flags();
50 if (have_neon(cpu_flags
)) {
51 s
->add_squares
= ff_ps_add_squares_neon
;
52 s
->mul_pair_single
= ff_ps_mul_pair_single_neon
;
53 s
->hybrid_synthesis_deint
= ff_ps_hybrid_synthesis_deint_neon
;
54 s
->hybrid_analysis
= ff_ps_hybrid_analysis_neon
;
55 s
->stereo_interpolate
[0] = ff_ps_stereo_interpolate_neon
;