1 /***********************************************************************
2 Copyright (C) 2014 Vidyo
3 Redistribution and use in source and binary forms, with or without
4 modification, are permitted provided that the following conditions
5 are met:
6 - Redistributions of source code must retain the above copyright notice,
7 this list of conditions and the following disclaimer.
8 - Redistributions in binary form must reproduce the above copyright
9 notice, this list of conditions and the following disclaimer in the
10 documentation and/or other materials provided with the distribution.
11 - Neither the name of Internet Society, IETF or IETF Trust, nor the
12 names of specific contributors, may be used to endorse or promote
13 products derived from this software without specific prior written
14 permission.
15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 POSSIBILITY OF SUCH DAMAGE.
26 ***********************************************************************/
27 #ifndef SILK_NSQ_NEON_H
28 #define SILK_NSQ_NEON_H
29
30 #include "cpu_support.h"
31 #include "SigProc_FIX.h"
32
33 #undef silk_short_prediction_create_arch_coef
34 /* For vectorized calc, reverse a_Q12 coefs, convert to 32-bit, and shift for vqdmulhq_s32. */
silk_short_prediction_create_arch_coef_neon(opus_int32 * out,const opus_int16 * in,opus_int order)35 static OPUS_INLINE void silk_short_prediction_create_arch_coef_neon(opus_int32 *out, const opus_int16 *in, opus_int order)
36 {
37 out[15] = silk_LSHIFT32(in[0], 15);
38 out[14] = silk_LSHIFT32(in[1], 15);
39 out[13] = silk_LSHIFT32(in[2], 15);
40 out[12] = silk_LSHIFT32(in[3], 15);
41 out[11] = silk_LSHIFT32(in[4], 15);
42 out[10] = silk_LSHIFT32(in[5], 15);
43 out[9] = silk_LSHIFT32(in[6], 15);
44 out[8] = silk_LSHIFT32(in[7], 15);
45 out[7] = silk_LSHIFT32(in[8], 15);
46 out[6] = silk_LSHIFT32(in[9], 15);
47
48 if (order == 16)
49 {
50 out[5] = silk_LSHIFT32(in[10], 15);
51 out[4] = silk_LSHIFT32(in[11], 15);
52 out[3] = silk_LSHIFT32(in[12], 15);
53 out[2] = silk_LSHIFT32(in[13], 15);
54 out[1] = silk_LSHIFT32(in[14], 15);
55 out[0] = silk_LSHIFT32(in[15], 15);
56 }
57 else
58 {
59 out[5] = 0;
60 out[4] = 0;
61 out[3] = 0;
62 out[2] = 0;
63 out[1] = 0;
64 out[0] = 0;
65 }
66 }
67
68 #if defined(OPUS_ARM_PRESUME_NEON_INTR)
69
70 #define silk_short_prediction_create_arch_coef(out, in, order) \
71 (silk_short_prediction_create_arch_coef_neon(out, in, order))
72
73 #elif defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
74
75 #define silk_short_prediction_create_arch_coef(out, in, order) \
76 do { if (arch == OPUS_ARCH_ARM_NEON) { silk_short_prediction_create_arch_coef_neon(out, in, order); } } while (0)
77
78 #endif
79
80 opus_int32 silk_noise_shape_quantizer_short_prediction_neon(const opus_int32 *buf32, const opus_int32 *coef32, opus_int order);
81
82 opus_int32 silk_NSQ_noise_shape_feedback_loop_neon(const opus_int32 *data0, opus_int32 *data1, const opus_int16 *coef, opus_int order);
83
84 #if defined(OPUS_ARM_PRESUME_NEON_INTR)
85 #undef silk_noise_shape_quantizer_short_prediction
86 #define silk_noise_shape_quantizer_short_prediction(in, coef, coefRev, order, arch) \
87 ((void)arch,silk_noise_shape_quantizer_short_prediction_neon(in, coefRev, order))
88
89 #undef silk_NSQ_noise_shape_feedback_loop
90 #define silk_NSQ_noise_shape_feedback_loop(data0, data1, coef, order, arch) ((void)arch,silk_NSQ_noise_shape_feedback_loop_neon(data0, data1, coef, order))
91
92 #elif defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
93
94 /* silk_noise_shape_quantizer_short_prediction implementations take different parameters based on arch
95 (coef vs. coefRev) so can't use the usual IMPL table implementation */
96 #undef silk_noise_shape_quantizer_short_prediction
97 #define silk_noise_shape_quantizer_short_prediction(in, coef, coefRev, order, arch) \
98 (arch == OPUS_ARCH_ARM_NEON ? \
99 silk_noise_shape_quantizer_short_prediction_neon(in, coefRev, order) : \
100 silk_noise_shape_quantizer_short_prediction_c(in, coef, order))
101
102 extern opus_int32
103 (*const SILK_NSQ_NOISE_SHAPE_FEEDBACK_LOOP_IMPL[OPUS_ARCHMASK+1])(
104 const opus_int32 *data0, opus_int32 *data1, const opus_int16 *coef,
105 opus_int order);
106
107 #undef silk_NSQ_noise_shape_feedback_loop
108 #define silk_NSQ_noise_shape_feedback_loop(data0, data1, coef, order, arch) \
109 (SILK_NSQ_NOISE_SHAPE_FEEDBACK_LOOP_IMPL[(arch)&OPUS_ARCHMASK](data0, data1, \
110 coef, order))
111
112 #endif
113
114 #endif /* SILK_NSQ_NEON_H */
115