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1 /* Copyright (c) 2010 Xiph.Org Foundation
2  * Copyright (c) 2013 Parrot */
3 /*
4    Redistribution and use in source and binary forms, with or without
5    modification, are permitted provided that the following conditions
6    are met:
7 
8    - Redistributions of source code must retain the above copyright
9    notice, this list of conditions and the following disclaimer.
10 
11    - Redistributions in binary form must reproduce the above copyright
12    notice, this list of conditions and the following disclaimer in the
13    documentation and/or other materials provided with the distribution.
14 
15    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
19    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
23    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 
28 #if !defined(PITCH_ARM_H)
29 # define PITCH_ARM_H
30 
31 # include "armcpu.h"
32 
33 # if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
34 opus_val32 celt_inner_prod_neon(const opus_val16 *x, const opus_val16 *y, int N);
35 void dual_inner_prod_neon(const opus_val16 *x, const opus_val16 *y01,
36         const opus_val16 *y02, int N, opus_val32 *xy1, opus_val32 *xy2);
37 
38 #  if !defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_PRESUME_NEON)
39 #   define OVERRIDE_CELT_INNER_PROD (1)
40 #   define OVERRIDE_DUAL_INNER_PROD (1)
41 #   define celt_inner_prod(x, y, N, arch) ((void)(arch), PRESUME_NEON(celt_inner_prod)(x, y, N))
42 #   define dual_inner_prod(x, y01, y02, N, xy1, xy2, arch) ((void)(arch), PRESUME_NEON(dual_inner_prod)(x, y01, y02, N, xy1, xy2))
43 #  endif
44 # endif
45 
46 # if !defined(OVERRIDE_CELT_INNER_PROD)
47 #  if defined(OPUS_HAVE_RTCD) && (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR))
48 extern opus_val32 (*const CELT_INNER_PROD_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *x, const opus_val16 *y, int N);
49 #   define OVERRIDE_CELT_INNER_PROD (1)
50 #   define celt_inner_prod(x, y, N, arch) ((*CELT_INNER_PROD_IMPL[(arch)&OPUS_ARCHMASK])(x, y, N))
51 #  elif defined(OPUS_ARM_PRESUME_NEON_INTR)
52 #   define OVERRIDE_CELT_INNER_PROD (1)
53 #   define celt_inner_prod(x, y, N, arch) ((void)(arch), celt_inner_prod_neon(x, y, N))
54 #  endif
55 # endif
56 
57 # if !defined(OVERRIDE_DUAL_INNER_PROD)
58 #  if defined(OPUS_HAVE_RTCD) && (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR))
59 extern void (*const DUAL_INNER_PROD_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *x,
60         const opus_val16 *y01, const opus_val16 *y02, int N, opus_val32 *xy1, opus_val32 *xy2);
61 #   define OVERRIDE_DUAL_INNER_PROD (1)
62 #   define dual_inner_prod(x, y01, y02, N, xy1, xy2, arch) ((*DUAL_INNER_PROD_IMPL[(arch)&OPUS_ARCHMASK])(x, y01, y02, N, xy1, xy2))
63 #  elif defined(OPUS_ARM_PRESUME_NEON_INTR)
64 #   define OVERRIDE_DUAL_INNER_PROD (1)
65 #   define dual_inner_prod(x, y01, y02, N, xy1, xy2, arch) ((void)(arch), dual_inner_prod_neon(x, y01, y02, N, xy1, xy2))
66 #  endif
67 # endif
68 
69 # if defined(FIXED_POINT)
70 
71 #  if defined(OPUS_ARM_MAY_HAVE_NEON)
72 opus_val32 celt_pitch_xcorr_neon(const opus_val16 *_x, const opus_val16 *_y,
73     opus_val32 *xcorr, int len, int max_pitch, int arch);
74 #  endif
75 
76 #  if defined(OPUS_ARM_MAY_HAVE_MEDIA)
77 #   define celt_pitch_xcorr_media MAY_HAVE_EDSP(celt_pitch_xcorr)
78 #  endif
79 
80 #  if defined(OPUS_ARM_MAY_HAVE_EDSP)
81 opus_val32 celt_pitch_xcorr_edsp(const opus_val16 *_x, const opus_val16 *_y,
82     opus_val32 *xcorr, int len, int max_pitch, int arch);
83 #  endif
84 
85 #  if defined(OPUS_HAVE_RTCD) && \
86     ((defined(OPUS_ARM_MAY_HAVE_NEON) && !defined(OPUS_ARM_PRESUME_NEON)) || \
87      (defined(OPUS_ARM_MAY_HAVE_MEDIA) && !defined(OPUS_ARM_PRESUME_MEDIA)) || \
88      (defined(OPUS_ARM_MAY_HAVE_EDSP) && !defined(OPUS_ARM_PRESUME_EDSP)))
89 extern opus_val32
90 (*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *,
91       const opus_val16 *, opus_val32 *, int, int, int);
92 #   define OVERRIDE_PITCH_XCORR (1)
93 #   define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
94   ((*CELT_PITCH_XCORR_IMPL[(arch)&OPUS_ARCHMASK])(_x, _y, \
95         xcorr, len, max_pitch, arch))
96 
97 #  elif defined(OPUS_ARM_PRESUME_EDSP) || \
98     defined(OPUS_ARM_PRESUME_MEDIA) || \
99     defined(OPUS_ARM_PRESUME_NEON)
100 #   define OVERRIDE_PITCH_XCORR (1)
101 #   define celt_pitch_xcorr (PRESUME_NEON(celt_pitch_xcorr))
102 
103 #  endif
104 
105 #  if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
106 void xcorr_kernel_neon_fixed(
107                     const opus_val16 *x,
108                     const opus_val16 *y,
109                     opus_val32       sum[4],
110                     int              len);
111 #  endif
112 
113 #  if defined(OPUS_HAVE_RTCD) && \
114     (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR))
115 
116 extern void (*const XCORR_KERNEL_IMPL[OPUS_ARCHMASK + 1])(
117                     const opus_val16 *x,
118                     const opus_val16 *y,
119                     opus_val32       sum[4],
120                     int              len);
121 
122 #   define OVERRIDE_XCORR_KERNEL (1)
123 #   define xcorr_kernel(x, y, sum, len, arch) \
124      ((*XCORR_KERNEL_IMPL[(arch) & OPUS_ARCHMASK])(x, y, sum, len))
125 
126 #  elif defined(OPUS_ARM_PRESUME_NEON_INTR)
127 #   define OVERRIDE_XCORR_KERNEL (1)
128 #   define xcorr_kernel(x, y, sum, len, arch) \
129       ((void)arch, xcorr_kernel_neon_fixed(x, y, sum, len))
130 
131 #  endif
132 
133 #else /* Start !FIXED_POINT */
134 /* Float case */
135 #if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
136 void celt_pitch_xcorr_float_neon(const opus_val16 *_x, const opus_val16 *_y,
137                                  opus_val32 *xcorr, int len, int max_pitch, int arch);
138 #endif
139 
140 #  if defined(OPUS_HAVE_RTCD) && \
141     (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR))
142 extern void
143 (*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *,
144       const opus_val16 *, opus_val32 *, int, int, int);
145 
146 #  define OVERRIDE_PITCH_XCORR (1)
147 #  define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
148   ((*CELT_PITCH_XCORR_IMPL[(arch)&OPUS_ARCHMASK])(_x, _y, \
149         xcorr, len, max_pitch, arch))
150 
151 #  elif defined(OPUS_ARM_PRESUME_NEON_INTR)
152 
153 #   define OVERRIDE_PITCH_XCORR (1)
154 #   define celt_pitch_xcorr celt_pitch_xcorr_float_neon
155 
156 #  endif
157 
158 #endif /* end !FIXED_POINT */
159 
160 #endif
161