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Issue 2962373002: [Opus] Update to v1.2.1 (Closed)
Patch Set: Pre-increment instead of post-increment Created 3 years, 5 months ago
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1 /*********************************************************************** 1 /***********************************************************************
2 Copyright (c) 2006-2011, Skype Limited. All rights reserved. 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
3 Redistribution and use in source and binary forms, with or without 3 Redistribution and use in source and binary forms, with or without
4 modification, are permitted provided that the following conditions 4 modification, are permitted provided that the following conditions
5 are met: 5 are met:
6 - Redistributions of source code must retain the above copyright notice, 6 - Redistributions of source code must retain the above copyright notice,
7 this list of conditions and the following disclaimer. 7 this list of conditions and the following disclaimer.
8 - Redistributions in binary form must reproduce the above copyright 8 - Redistributions in binary form must reproduce the above copyright
9 notice, this list of conditions and the following disclaimer in the 9 notice, this list of conditions and the following disclaimer in the
10 documentation and/or other materials provided with the distribution. 10 documentation and/or other materials provided with the distribution.
(...skipping 18 matching lines...) Expand all
29 #define SILK_MAIN_FIX_H 29 #define SILK_MAIN_FIX_H
30 30
31 #include "SigProc_FIX.h" 31 #include "SigProc_FIX.h"
32 #include "structs_FIX.h" 32 #include "structs_FIX.h"
33 #include "control.h" 33 #include "control.h"
34 #include "main.h" 34 #include "main.h"
35 #include "PLC.h" 35 #include "PLC.h"
36 #include "debug.h" 36 #include "debug.h"
37 #include "entenc.h" 37 #include "entenc.h"
38 38
39 #if ((defined(OPUS_ARM_ASM) && defined(FIXED_POINT)) \
40 || defined(OPUS_ARM_MAY_HAVE_NEON_INTR))
41 #include "fixed/arm/warped_autocorrelation_FIX_arm.h"
42 #endif
43
39 #ifndef FORCE_CPP_BUILD 44 #ifndef FORCE_CPP_BUILD
40 #ifdef __cplusplus 45 #ifdef __cplusplus
41 extern "C" 46 extern "C"
42 { 47 {
43 #endif 48 #endif
44 #endif 49 #endif
45 50
46 #define silk_encoder_state_Fxx silk_encoder_state_FIX 51 #define silk_encoder_state_Fxx silk_encoder_state_FIX
47 #define silk_encode_do_VAD_Fxx silk_encode_do_VAD_FIX 52 #define silk_encode_do_VAD_Fxx silk_encode_do_VAD_FIX
48 #define silk_encode_frame_Fxx silk_encode_frame_FIX 53 #define silk_encode_frame_Fxx silk_encode_frame_FIX
49 54
55 #define QC 10
56 #define QS 13
57
50 /*********************/ 58 /*********************/
51 /* Encoder Functions */ 59 /* Encoder Functions */
52 /*********************/ 60 /*********************/
53 61
54 /* High-pass filter with cutoff frequency adaptation based on pitch lag statisti cs */ 62 /* High-pass filter with cutoff frequency adaptation based on pitch lag statisti cs */
55 void silk_HP_variable_cutoff( 63 void silk_HP_variable_cutoff(
56 silk_encoder_state_Fxx state_Fxx[] /* I /O Encoder states */ 64 silk_encoder_state_Fxx state_Fxx[] /* I /O Encoder states */
57 ); 65 );
58 66
59 /* Encoder main function */ 67 /* Encoder main function */
(...skipping 14 matching lines...) Expand all
74 /* Initializes the Silk encoder state */ 82 /* Initializes the Silk encoder state */
75 opus_int silk_init_encoder( 83 opus_int silk_init_encoder(
76 silk_encoder_state_Fxx *psEnc, /* I /O Pointer to Silk FIX encoder state */ 84 silk_encoder_state_Fxx *psEnc, /* I /O Pointer to Silk FIX encoder state */
77 int arch /* I Run-time architecture */ 85 int arch /* I Run-time architecture */
78 ); 86 );
79 87
80 /* Control the Silk encoder */ 88 /* Control the Silk encoder */
81 opus_int silk_control_encoder( 89 opus_int silk_control_encoder(
82 silk_encoder_state_Fxx *psEnc, /* I /O Pointer to Silk encoder state */ 90 silk_encoder_state_Fxx *psEnc, /* I /O Pointer to Silk encoder state */
83 silk_EncControlStruct *encControl, /* I Control structure */ 91 silk_EncControlStruct *encControl, /* I Control structure */
84 const opus_int32 TargetRate_bps, /* I Target max bitrate (bps) */
85 const opus_int allow_bw_switch, /* I Flag to allow switching audio bandwidth */ 92 const opus_int allow_bw_switch, /* I Flag to allow switching audio bandwidth */
86 const opus_int channelNb, /* I Channel number */ 93 const opus_int channelNb, /* I Channel number */
87 const opus_int force_fs_kHz 94 const opus_int force_fs_kHz
88 ); 95 );
89 96
90 /****************/
91 /* Prefiltering */
92 /****************/
93 void silk_prefilter_FIX(
94 silk_encoder_state_FIX *psEnc, /* I /O Encoder state */
95 const silk_encoder_control_FIX *psEncCtrl, /* I Encoder control */
96 opus_int32 xw_Q10[], /* O Weighted signal */
97 const opus_int16 x[] /* I Speech signal */
98 );
99
100 void silk_warped_LPC_analysis_filter_FIX_c(
101 opus_int32 state[], /* I/O State [order + 1] */
102 opus_int32 res_Q2[], /* O Residual sig nal [length] */
103 const opus_int16 coef_Q13[], /* I Coefficients [order] */
104 const opus_int16 input[], /* I Input signal [length] */
105 const opus_int16 lambda_Q16, /* I Warping fact or */
106 const opus_int length, /* I Length of in put signal */
107 const opus_int order /* I Filter order (even) */
108 );
109
110
111 /**************************/ 97 /**************************/
112 /* Noise shaping analysis */ 98 /* Noise shaping analysis */
113 /**************************/ 99 /**************************/
114 /* Compute noise shaping coefficients and initial gain values */ 100 /* Compute noise shaping coefficients and initial gain values */
115 void silk_noise_shape_analysis_FIX( 101 void silk_noise_shape_analysis_FIX(
116 silk_encoder_state_FIX *psEnc, /* I /O Encoder state FIX */ 102 silk_encoder_state_FIX *psEnc, /* I /O Encoder state FIX */
117 silk_encoder_control_FIX *psEncCtrl, /* I /O Encoder control FIX */ 103 silk_encoder_control_FIX *psEncCtrl, /* I /O Encoder control FIX */
118 const opus_int16 *pitch_res, /* I LPC residual from pitch analysis */ 104 const opus_int16 *pitch_res, /* I LPC residual from pitch analysis */
119 const opus_int16 *x, /* I Input signal [ frame_length + la_shape ] */ 105 const opus_int16 *x, /* I Input signal [ frame_length + la_shape ] */
120 int arch /* I Run-time architecture */ 106 int arch /* I Run-time architecture */
121 ); 107 );
122 108
123 /* Autocorrelations for a warped frequency axis */ 109 /* Autocorrelations for a warped frequency axis */
124 void silk_warped_autocorrelation_FIX( 110 void silk_warped_autocorrelation_FIX_c(
125 opus_int32 *corr, /* O Result [order + 1] */ 111 opus_int32 *corr, /* O Result [order + 1] */
126 opus_int *scale, /* O Scaling of the correlation vector */ 112 opus_int *scale, /* O Scaling of the correlation vector */
127 const opus_int16 *input, /* I Input data to correlate */ 113 const opus_int16 *input, /* I Input data to correlate */
128 const opus_int warping_Q16, /* I Warping coefficient */ 114 const opus_int warping_Q16, /* I Warping coefficient */
129 const opus_int length, /* I Length of input */ 115 const opus_int length, /* I Length of input */
130 const opus_int order /* I Correlation order (even) */ 116 const opus_int order /* I Correlation order (even) */
131 ); 117 );
132 118
119 #if !defined(OVERRIDE_silk_warped_autocorrelation_FIX)
120 #define silk_warped_autocorrelation_FIX(corr, scale, input, warping_Q16, length, order, arch) \
121 ((void)(arch), silk_warped_autocorrelation_FIX_c(corr, scale, input, war ping_Q16, length, order))
122 #endif
123
133 /* Calculation of LTP state scaling */ 124 /* Calculation of LTP state scaling */
134 void silk_LTP_scale_ctrl_FIX( 125 void silk_LTP_scale_ctrl_FIX(
135 silk_encoder_state_FIX *psEnc, /* I /O encoder state */ 126 silk_encoder_state_FIX *psEnc, /* I /O encoder state */
136 silk_encoder_control_FIX *psEncCtrl, /* I /O encoder control */ 127 silk_encoder_control_FIX *psEncCtrl, /* I /O encoder control */
137 opus_int condCoding /* I The type of conditional coding to use */ 128 opus_int condCoding /* I The type of conditional coding to use */
138 ); 129 );
139 130
140 /**********************************************/ 131 /**********************************************/
141 /* Prediction Analysis */ 132 /* Prediction Analysis */
142 /**********************************************/ 133 /**********************************************/
(...skipping 18 matching lines...) Expand all
161 /* LPC analysis */ 152 /* LPC analysis */
162 void silk_find_LPC_FIX( 153 void silk_find_LPC_FIX(
163 silk_encoder_state *psEncC, /* I /O Encoder state */ 154 silk_encoder_state *psEncC, /* I /O Encoder state */
164 opus_int16 NLSF_Q15[], /* O NLSFs */ 155 opus_int16 NLSF_Q15[], /* O NLSFs */
165 const opus_int16 x[], /* I Input signal */ 156 const opus_int16 x[], /* I Input signal */
166 const opus_int32 minInvGain_Q30 /* I Inverse of max prediction gain */ 157 const opus_int32 minInvGain_Q30 /* I Inverse of max prediction gain */
167 ); 158 );
168 159
169 /* LTP analysis */ 160 /* LTP analysis */
170 void silk_find_LTP_FIX( 161 void silk_find_LTP_FIX(
171 opus_int16 b_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */ 162 opus_int32 XXLTP_Q17[ MAX_NB_SUBFR * LTP_ORDER * LTP_OR DER ], /* O Correlation matrix */
172 opus_int32 WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ] , /* O Weight for LTP quantization */ 163 opus_int32 xXLTP_Q17[ MAX_NB_SUBFR * LTP_ORDER ], /* O Correlation vector */
173 opus_int *LTPredCodGain_Q7, /* O LTP coding gain */ 164 const opus_int16 r_lpc[], /* I Residual signal after LPC */
174 const opus_int16 r_lpc[], /* I residual signal after LPC signal + state for first 10 ms */
175 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ 165 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */
176 const opus_int32 Wght_Q15[ MAX_NB_SUBFR ], /* I weights */ 166 const opus_int subfr_length, /* I Subframe length */
177 const opus_int subfr_length, /* I subframe length */ 167 const opus_int nb_subfr, /* I Number of subframes */
178 const opus_int nb_subfr, /* I number of subframes */
179 const opus_int mem_offset, /* I number of samples in LTP memory */
180 opus_int corr_rshifts[ MAX_NB_SUBFR ], /* O right shifts applied to correlations */
181 int arch /* I Run-time architecture */ 168 int arch /* I Run-time architecture */
182 ); 169 );
183 170
184 void silk_LTP_analysis_filter_FIX( 171 void silk_LTP_analysis_filter_FIX(
185 opus_int16 *LTP_res, /* O LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */ 172 opus_int16 *LTP_res, /* O LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */
186 const opus_int16 *x, /* I Pointer to input signal with at least max( pitchL ) preceding samples */ 173 const opus_int16 *x, /* I Pointer to input signal with at least max( pitchL ) preceding samples */
187 const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */ 174 const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */
188 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag, one for each subframe */ 175 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag, one for each subframe */
189 const opus_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I Inverse quantization gains, one for each subframe */ 176 const opus_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I Inverse quantization gains, one for each subframe */
190 const opus_int subfr_length, /* I Length of each subframe */ 177 const opus_int subfr_length, /* I Length of each subframe */
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
224 ); 211 );
225 212
226 /******************/ 213 /******************/
227 /* Linear Algebra */ 214 /* Linear Algebra */
228 /******************/ 215 /******************/
229 /* Calculates correlation matrix X'*X */ 216 /* Calculates correlation matrix X'*X */
230 void silk_corrMatrix_FIX( 217 void silk_corrMatrix_FIX(
231 const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ 218 const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */
232 const opus_int L, /* I Length of vectors */ 219 const opus_int L, /* I Length of vectors */
233 const opus_int order, /* I Max lag for correlation */ 220 const opus_int order, /* I Max lag for correlation */
234 const opus_int head_room, /* I Desired headroom */
235 opus_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ] */ 221 opus_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ] */
236 opus_int *rshifts, /* I /O Right shifts of correlations */ 222 opus_int32 *nrg, /* O Energy of x vector */
223 opus_int *rshifts, /* O Right shifts of correlations */
237 int arch /* I Run-time architecture */ 224 int arch /* I Run-time architecture */
238 ); 225 );
239 226
240 /* Calculates correlation vector X'*t */ 227 /* Calculates correlation vector X'*t */
241 void silk_corrVector_FIX( 228 void silk_corrVector_FIX(
242 const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ 229 const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */
243 const opus_int16 *t, /* I Target vector [L] */ 230 const opus_int16 *t, /* I Target vector [L] */
244 const opus_int L, /* I Length of vectors */ 231 const opus_int L, /* I Length of vectors */
245 const opus_int order, /* I Max lag for correlation */ 232 const opus_int order, /* I Max lag for correlation */
246 opus_int32 *Xt, /* O Pointer to X'*t correlation vector [order] */ 233 opus_int32 *Xt, /* O Pointer to X'*t correlation vector [order] */
247 const opus_int rshifts, /* I Right shifts of correlations */ 234 const opus_int rshifts, /* I Right shifts of correlations */
248 int arch /* I Run-time architecture */ 235 int arch /* I Run-time architecture */
249 ); 236 );
250 237
251 /* Add noise to matrix diagonal */
252 void silk_regularize_correlations_FIX(
253 opus_int32 *XX, /* I /O Correlation matrices */
254 opus_int32 *xx, /* I /O Correlation values */
255 opus_int32 noise, /* I Noise to add */
256 opus_int D /* I Dimension of XX */
257 );
258
259 /* Solves Ax = b, assuming A is symmetric */
260 void silk_solve_LDL_FIX(
261 opus_int32 *A, /* I Pointer to symetric square matrix A */
262 opus_int M, /* I Size of matrix */
263 const opus_int32 *b, /* I Pointer to b vector */
264 opus_int32 *x_Q16 /* O Pointer to x solution vector */
265 );
266
267 #ifndef FORCE_CPP_BUILD 238 #ifndef FORCE_CPP_BUILD
268 #ifdef __cplusplus 239 #ifdef __cplusplus
269 } 240 }
270 #endif /* __cplusplus */ 241 #endif /* __cplusplus */
271 #endif /* FORCE_CPP_BUILD */ 242 #endif /* FORCE_CPP_BUILD */
272 #endif /* SILK_MAIN_FIX_H */ 243 #endif /* SILK_MAIN_FIX_H */
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