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

Issue 12388030: Update Opus to 1.0.2. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/opus
Patch Set: Created 7 years, 9 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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161 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ 161 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */
162 const opus_int32 Wght_Q15[ MAX_NB_SUBFR ], /* I weights */ 162 const opus_int32 Wght_Q15[ MAX_NB_SUBFR ], /* I weights */
163 const opus_int subfr_length, /* I subframe length */ 163 const opus_int subfr_length, /* I subframe length */
164 const opus_int nb_subfr, /* I number of subframes */ 164 const opus_int nb_subfr, /* I number of subframes */
165 const opus_int mem_offset, /* I number of samples in LTP memory */ 165 const opus_int mem_offset, /* I number of samples in LTP memory */
166 opus_int corr_rshifts[ MAX_NB_SUBFR ] /* O right shifts applied to correlations */ 166 opus_int corr_rshifts[ MAX_NB_SUBFR ] /* O right shifts applied to correlations */
167 ); 167 );
168 168
169 void silk_LTP_analysis_filter_FIX( 169 void silk_LTP_analysis_filter_FIX(
170 opus_int16 *LTP_res, /* O LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */ 170 opus_int16 *LTP_res, /* O LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */
171 const opus_int16 *x, /* I Pointer to input signal with at least max( pitchL ) preceeding samples */ 171 const opus_int16 *x, /* I Pointer to input signal with at least max( pitchL ) preceding samples */
172 const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */ 172 const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */
173 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag, one for each subframe */ 173 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag, one for each subframe */
174 const opus_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I Inverse quantization gains, one for each subframe */ 174 const opus_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I Inverse quantization gains, one for each subframe */
175 const opus_int subfr_length, /* I Length of each subframe */ 175 const opus_int subfr_length, /* I Length of each subframe */
176 const opus_int nb_subfr, /* I Number of subframes */ 176 const opus_int nb_subfr, /* I Number of subframes */
177 const opus_int pre_length /* I Length of the preceeding samples starting at &x[0] for each subframe */ 177 const opus_int pre_length /* I Length of the preceding samples starting at &x[0] for each subframe */
178 ); 178 );
179 179
180 /* Calculates residual energies of input subframes where all subframes have LPC_ order */ 180 /* Calculates residual energies of input subframes where all subframes have LPC_ order */
181 /* of preceeding samples */ 181 /* of preceding samples */
182 void silk_residual_energy_FIX( 182 void silk_residual_energy_FIX(
183 opus_int32 nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */ 183 opus_int32 nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */
184 opus_int nrgsQ[ MAX_NB_SUBFR ], /* O Q value per subframe */ 184 opus_int nrgsQ[ MAX_NB_SUBFR ], /* O Q value per subframe */
185 const opus_int16 x[], /* I Input signal */ 185 const opus_int16 x[], /* I Input signal */
186 opus_int16 a_Q12[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */ 186 opus_int16 a_Q12[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */
187 const opus_int32 gains[ MAX_NB_SUBFR ], /* I Quantization gains */ 187 const opus_int32 gains[ MAX_NB_SUBFR ], /* I Quantization gains */
188 const opus_int subfr_length, /* I Subframe length */ 188 const opus_int subfr_length, /* I Subframe length */
189 const opus_int nb_subfr, /* I Number of subframes */ 189 const opus_int nb_subfr, /* I Number of subframes */
190 const opus_int LPC_order /* I LPC order */ 190 const opus_int LPC_order /* I LPC order */
191 ); 191 );
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245 const opus_int32 *b, /* I Pointer to b vector */ 245 const opus_int32 *b, /* I Pointer to b vector */
246 opus_int32 *x_Q16 /* O Pointer to x solution vector */ 246 opus_int32 *x_Q16 /* O Pointer to x solution vector */
247 ); 247 );
248 248
249 #ifndef FORCE_CPP_BUILD 249 #ifndef FORCE_CPP_BUILD
250 #ifdef __cplusplus 250 #ifdef __cplusplus
251 } 251 }
252 #endif /* __cplusplus */ 252 #endif /* __cplusplus */
253 #endif /* FORCE_CPP_BUILD */ 253 #endif /* FORCE_CPP_BUILD */
254 #endif /* SILK_MAIN_FIX_H */ 254 #endif /* SILK_MAIN_FIX_H */
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