xref: /aosp_15_r20/external/libopus/silk/arm/arm_silk_map.c (revision a58d3d2adb790c104798cd88c8a3aff4fa8b82cc)
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 #ifdef HAVE_CONFIG_H
28 # include "config.h"
29 #endif
30 
31 #include "main_FIX.h"
32 #include "NSQ.h"
33 #include "SigProc_FIX.h"
34 
35 #if defined(OPUS_HAVE_RTCD)
36 
37 # if (defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && \
38  !defined(OPUS_ARM_PRESUME_NEON_INTR))
39 
40 void (*const SILK_BIQUAD_ALT_STRIDE2_IMPL[OPUS_ARCHMASK + 1])(
41         const opus_int16            *in,                /* I     input signal                                               */
42         const opus_int32            *B_Q28,             /* I     MA coefficients [3]                                        */
43         const opus_int32            *A_Q28,             /* I     AR coefficients [2]                                        */
44         opus_int32                  *S,                 /* I/O   State vector [4]                                           */
45         opus_int16                  *out,               /* O     output signal                                              */
46         const opus_int32            len                 /* I     signal length (must be even)                               */
47 ) = {
48       silk_biquad_alt_stride2_c,    /* ARMv4 */
49       silk_biquad_alt_stride2_c,    /* EDSP */
50       silk_biquad_alt_stride2_c,    /* Media */
51       silk_biquad_alt_stride2_neon, /* Neon */
52       silk_biquad_alt_stride2_neon, /* dotprod */
53 };
54 
55 opus_int32 (*const SILK_LPC_INVERSE_PRED_GAIN_IMPL[OPUS_ARCHMASK + 1])( /* O   Returns inverse prediction gain in energy domain, Q30        */
56         const opus_int16            *A_Q12,                             /* I   Prediction coefficients, Q12 [order]                         */
57         const opus_int              order                               /* I   Prediction order                                             */
58 ) = {
59       silk_LPC_inverse_pred_gain_c,    /* ARMv4 */
60       silk_LPC_inverse_pred_gain_c,    /* EDSP */
61       silk_LPC_inverse_pred_gain_c,    /* Media */
62       silk_LPC_inverse_pred_gain_neon, /* Neon */
63       silk_LPC_inverse_pred_gain_neon, /* dotprod */
64 };
65 
66 void  (*const SILK_NSQ_DEL_DEC_IMPL[OPUS_ARCHMASK + 1])(
67         const silk_encoder_state    *psEncC,                                    /* I    Encoder State                   */
68         silk_nsq_state              *NSQ,                                       /* I/O  NSQ state                       */
69         SideInfoIndices             *psIndices,                                 /* I/O  Quantization Indices            */
70         const opus_int16            x16[],                                      /* I    Input                           */
71         opus_int8                   pulses[],                                   /* O    Quantized pulse signal          */
72         const opus_int16            *PredCoef_Q12,                              /* I    Short term prediction coefs     */
73         const opus_int16            LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],    /* I    Long term prediction coefs      */
74         const opus_int16            AR_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs              */
75         const opus_int              HarmShapeGain_Q14[ MAX_NB_SUBFR ],          /* I    Long term shaping coefs         */
76         const opus_int              Tilt_Q14[ MAX_NB_SUBFR ],                   /* I    Spectral tilt                   */
77         const opus_int32            LF_shp_Q14[ MAX_NB_SUBFR ],                 /* I    Low frequency shaping coefs     */
78         const opus_int32            Gains_Q16[ MAX_NB_SUBFR ],                  /* I    Quantization step sizes         */
79         const opus_int              pitchL[ MAX_NB_SUBFR ],                     /* I    Pitch lags                      */
80         const opus_int              Lambda_Q10,                                 /* I    Rate/distortion tradeoff        */
81         const opus_int              LTP_scale_Q14                               /* I    LTP state scaling               */
82 ) = {
83       silk_NSQ_del_dec_c,    /* ARMv4 */
84       silk_NSQ_del_dec_c,    /* EDSP */
85       silk_NSQ_del_dec_c,    /* Media */
86       silk_NSQ_del_dec_neon, /* Neon */
87       silk_NSQ_del_dec_neon, /* dotprod */
88 };
89 
90 /*There is no table for silk_noise_shape_quantizer_short_prediction because the
91    NEON version takes different parameters than the C version.
92   Instead RTCD is done via if statements at the call sites.
93   See NSQ_neon.h for details.*/
94 
95 opus_int32
96  (*const SILK_NSQ_NOISE_SHAPE_FEEDBACK_LOOP_IMPL[OPUS_ARCHMASK+1])(
97  const opus_int32 *data0, opus_int32 *data1, const opus_int16 *coef,
98  opus_int order) = {
99   silk_NSQ_noise_shape_feedback_loop_c,    /* ARMv4 */
100   silk_NSQ_noise_shape_feedback_loop_c,    /* EDSP */
101   silk_NSQ_noise_shape_feedback_loop_c,    /* Media */
102   silk_NSQ_noise_shape_feedback_loop_neon, /* NEON */
103   silk_NSQ_noise_shape_feedback_loop_neon, /* dotprod */
104 };
105 
106 # endif
107 
108 # if defined(FIXED_POINT) && \
109  defined(OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined(OPUS_ARM_PRESUME_NEON_INTR)
110 
111 void (*const SILK_WARPED_AUTOCORRELATION_FIX_IMPL[OPUS_ARCHMASK + 1])(
112           opus_int32                *corr,                                  /* O    Result [order + 1]                                                          */
113           opus_int                  *scale,                                 /* O    Scaling of the correlation vector                                           */
114     const opus_int16                *input,                                 /* I    Input data to correlate                                                     */
115     const opus_int                  warping_Q16,                            /* I    Warping coefficient                                                         */
116     const opus_int                  length,                                 /* I    Length of input                                                             */
117     const opus_int                  order                                   /* I    Correlation order (even)                                                    */
118 ) = {
119       silk_warped_autocorrelation_FIX_c,    /* ARMv4 */
120       silk_warped_autocorrelation_FIX_c,    /* EDSP */
121       silk_warped_autocorrelation_FIX_c,    /* Media */
122       silk_warped_autocorrelation_FIX_neon, /* Neon */
123       silk_warped_autocorrelation_FIX_neon, /* dotprod */
124 };
125 
126 # endif
127 
128 #endif /* OPUS_HAVE_RTCD */
129