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Side by Side Diff: silk/fixed/main_FIX.h

Issue 882843002: Update to opus-HEAD-66611f1. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/opus.git@master
Patch Set: Add the contents of Makefile.mips back. Created 5 years, 10 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.
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159 void silk_find_LTP_FIX( 159 void silk_find_LTP_FIX(
160 opus_int16 b_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */ 160 opus_int16 b_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */
161 opus_int32 WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ] , /* O Weight for LTP quantization */ 161 opus_int32 WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ] , /* O Weight for LTP quantization */
162 opus_int *LTPredCodGain_Q7, /* O LTP coding gain */ 162 opus_int *LTPredCodGain_Q7, /* O LTP coding gain */
163 const opus_int16 r_lpc[], /* I residual signal after LPC signal + state for first 10 ms */ 163 const opus_int16 r_lpc[], /* I residual signal after LPC signal + state for first 10 ms */
164 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ 164 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */
165 const opus_int32 Wght_Q15[ MAX_NB_SUBFR ], /* I weights */ 165 const opus_int32 Wght_Q15[ MAX_NB_SUBFR ], /* I weights */
166 const opus_int subfr_length, /* I subframe length */ 166 const opus_int subfr_length, /* I subframe length */
167 const opus_int nb_subfr, /* I number of subframes */ 167 const opus_int nb_subfr, /* I number of subframes */
168 const opus_int mem_offset, /* I number of samples in LTP memory */ 168 const opus_int mem_offset, /* I number of samples in LTP memory */
169 opus_int corr_rshifts[ MAX_NB_SUBFR ] /* O right shifts applied to correlations */ 169 opus_int corr_rshifts[ MAX_NB_SUBFR ], /* O right shifts applied to correlations */
170 int arch /* I Run-time architecture */
170 ); 171 );
171 172
172 void silk_LTP_analysis_filter_FIX( 173 void silk_LTP_analysis_filter_FIX(
173 opus_int16 *LTP_res, /* O LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */ 174 opus_int16 *LTP_res, /* O LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */
174 const opus_int16 *x, /* I Pointer to input signal with at least max( pitchL ) preceding samples */ 175 const opus_int16 *x, /* I Pointer to input signal with at least max( pitchL ) preceding samples */
175 const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */ 176 const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */
176 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag, one for each subframe */ 177 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag, one for each subframe */
177 const opus_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I Inverse quantization gains, one for each subframe */ 178 const opus_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I Inverse quantization gains, one for each subframe */
178 const opus_int subfr_length, /* I Length of each subframe */ 179 const opus_int subfr_length, /* I Length of each subframe */
179 const opus_int nb_subfr, /* I Number of subframes */ 180 const opus_int nb_subfr, /* I Number of subframes */
180 const opus_int pre_length /* I Length of the preceding samples starting at &x[0] for each subframe */ 181 const opus_int pre_length /* I Length of the preceding samples starting at &x[0] for each subframe */
181 ); 182 );
182 183
183 /* Calculates residual energies of input subframes where all subframes have LPC_ order */ 184 /* Calculates residual energies of input subframes where all subframes have LPC_ order */
184 /* of preceding samples */ 185 /* of preceding samples */
185 void silk_residual_energy_FIX( 186 void silk_residual_energy_FIX(
186 opus_int32 nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */ 187 opus_int32 nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */
187 opus_int nrgsQ[ MAX_NB_SUBFR ], /* O Q value per subframe */ 188 opus_int nrgsQ[ MAX_NB_SUBFR ], /* O Q value per subframe */
188 const opus_int16 x[], /* I Input signal */ 189 const opus_int16 x[], /* I Input signal */
189 opus_int16 a_Q12[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */ 190 opus_int16 a_Q12[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */
190 const opus_int32 gains[ MAX_NB_SUBFR ], /* I Quantization gains */ 191 const opus_int32 gains[ MAX_NB_SUBFR ], /* I Quantization gains */
191 const opus_int subfr_length, /* I Subframe length */ 192 const opus_int subfr_length, /* I Subframe length */
192 const opus_int nb_subfr, /* I Number of subframes */ 193 const opus_int nb_subfr, /* I Number of subframes */
193 const opus_int LPC_order /* I LPC order */ 194 const opus_int LPC_order, /* I LPC order */
195 int arch /* I Run-time architecture */
194 ); 196 );
195 197
196 /* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */ 198 /* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */
197 opus_int32 silk_residual_energy16_covar_FIX( 199 opus_int32 silk_residual_energy16_covar_FIX(
198 const opus_int16 *c, /* I Prediction vector */ 200 const opus_int16 *c, /* I Prediction vector */
199 const opus_int32 *wXX, /* I Correlation matrix */ 201 const opus_int32 *wXX, /* I Correlation matrix */
200 const opus_int32 *wXx, /* I Correlation vector */ 202 const opus_int32 *wXx, /* I Correlation vector */
201 opus_int32 wxx, /* I Signal energy */ 203 opus_int32 wxx, /* I Signal energy */
202 opus_int D, /* I Dimension */ 204 opus_int D, /* I Dimension */
203 opus_int cQ /* I Q value for c vector 0 - 15 */ 205 opus_int cQ /* I Q value for c vector 0 - 15 */
204 ); 206 );
205 207
206 /* Processing of gains */ 208 /* Processing of gains */
207 void silk_process_gains_FIX( 209 void silk_process_gains_FIX(
208 silk_encoder_state_FIX *psEnc, /* I /O Encoder state */ 210 silk_encoder_state_FIX *psEnc, /* I /O Encoder state */
209 silk_encoder_control_FIX *psEncCtrl, /* I /O Encoder control */ 211 silk_encoder_control_FIX *psEncCtrl, /* I /O Encoder control */
210 opus_int condCoding /* I The type of conditional coding to use */ 212 opus_int condCoding /* I The type of conditional coding to use */
211 ); 213 );
212 214
213 /******************/ 215 /******************/
214 /* Linear Algebra */ 216 /* Linear Algebra */
215 /******************/ 217 /******************/
216 /* Calculates correlation matrix X'*X */ 218 /* Calculates correlation matrix X'*X */
217 void silk_corrMatrix_FIX( 219 void silk_corrMatrix_FIX(
218 const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ 220 const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */
219 const opus_int L, /* I Length of vectors */ 221 const opus_int L, /* I Length of vectors */
220 const opus_int order, /* I Max lag for correlation */ 222 const opus_int order, /* I Max lag for correlation */
221 const opus_int head_room, /* I Desired headroom */ 223 const opus_int head_room, /* I Desired headroom */
222 opus_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ] */ 224 opus_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ] */
223 opus_int *rshifts /* I /O Right shifts of correlations */ 225 opus_int *rshifts, /* I /O Right shifts of correlations */
226 int arch /* I Run-time architecture */
224 ); 227 );
225 228
226 /* Calculates correlation vector X'*t */ 229 /* Calculates correlation vector X'*t */
227 void silk_corrVector_FIX( 230 void silk_corrVector_FIX(
228 const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ 231 const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */
229 const opus_int16 *t, /* I Target vector [L] */ 232 const opus_int16 *t, /* I Target vector [L] */
230 const opus_int L, /* I Length of vectors */ 233 const opus_int L, /* I Length of vectors */
231 const opus_int order, /* I Max lag for correlation */ 234 const opus_int order, /* I Max lag for correlation */
232 opus_int32 *Xt, /* O Pointer to X'*t correlation vector [order] */ 235 opus_int32 *Xt, /* O Pointer to X'*t correlation vector [order] */
233 const opus_int rshifts /* I Right shifts of correlations */ 236 const opus_int rshifts, /* I Right shifts of correlations */
237 int arch /* I Run-time architecture */
234 ); 238 );
235 239
236 /* Add noise to matrix diagonal */ 240 /* Add noise to matrix diagonal */
237 void silk_regularize_correlations_FIX( 241 void silk_regularize_correlations_FIX(
238 opus_int32 *XX, /* I /O Correlation matrices */ 242 opus_int32 *XX, /* I /O Correlation matrices */
239 opus_int32 *xx, /* I /O Correlation values */ 243 opus_int32 *xx, /* I /O Correlation values */
240 opus_int32 noise, /* I Noise to add */ 244 opus_int32 noise, /* I Noise to add */
241 opus_int D /* I Dimension of XX */ 245 opus_int D /* I Dimension of XX */
242 ); 246 );
243 247
244 /* Solves Ax = b, assuming A is symmetric */ 248 /* Solves Ax = b, assuming A is symmetric */
245 void silk_solve_LDL_FIX( 249 void silk_solve_LDL_FIX(
246 opus_int32 *A, /* I Pointer to symetric square matrix A */ 250 opus_int32 *A, /* I Pointer to symetric square matrix A */
247 opus_int M, /* I Size of matrix */ 251 opus_int M, /* I Size of matrix */
248 const opus_int32 *b, /* I Pointer to b vector */ 252 const opus_int32 *b, /* I Pointer to b vector */
249 opus_int32 *x_Q16 /* O Pointer to x solution vector */ 253 opus_int32 *x_Q16 /* O Pointer to x solution vector */
250 ); 254 );
251 255
252 #ifndef FORCE_CPP_BUILD 256 #ifndef FORCE_CPP_BUILD
253 #ifdef __cplusplus 257 #ifdef __cplusplus
254 } 258 }
255 #endif /* __cplusplus */ 259 #endif /* __cplusplus */
256 #endif /* FORCE_CPP_BUILD */ 260 #endif /* FORCE_CPP_BUILD */
257 #endif /* SILK_MAIN_FIX_H */ 261 #endif /* SILK_MAIN_FIX_H */
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