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Side by Side Diff: silk/float/main_FLP.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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157 const silk_float r_lpc[], /* I LPC residual */ 157 const silk_float r_lpc[], /* I LPC residual */
158 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ 158 const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */
159 const silk_float Wght[ MAX_NB_SUBFR ], /* I Weights */ 159 const silk_float Wght[ MAX_NB_SUBFR ], /* I Weights */
160 const opus_int subfr_length, /* I Subframe length */ 160 const opus_int subfr_length, /* I Subframe length */
161 const opus_int nb_subfr, /* I number of subframes */ 161 const opus_int nb_subfr, /* I number of subframes */
162 const opus_int mem_offset /* I Number of samples in LTP memory */ 162 const opus_int mem_offset /* I Number of samples in LTP memory */
163 ); 163 );
164 164
165 void silk_LTP_analysis_filter_FLP( 165 void silk_LTP_analysis_filter_FLP(
166 silk_float *LTP_res, /* O LTP res MAX_NB_SUBFR*(pre_lgth+subfr_lngth) */ 166 silk_float *LTP_res, /* O LTP res MAX_NB_SUBFR*(pre_lgth+subfr_lngth) */
167 const silk_float *x, /* I Input signal, with preceeding samples */ 167 const silk_float *x, /* I Input signal, with preceding samples */
168 const silk_float B[ LTP_ORDER * MAX_NB_SUBFR ], /* I LTP coefficients for each subframe */ 168 const silk_float B[ LTP_ORDER * MAX_NB_SUBFR ], /* I LTP coefficients for each subframe */
169 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ 169 const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */
170 const silk_float invGains[ MAX_NB_SUBFR ], /* I Inverse quantization gains */ 170 const silk_float invGains[ MAX_NB_SUBFR ], /* I Inverse quantization gains */
171 const opus_int subfr_length, /* I Length of each subframe */ 171 const opus_int subfr_length, /* I Length of each subframe */
172 const opus_int nb_subfr, /* I number of subframes */ 172 const opus_int nb_subfr, /* I number of subframes */
173 const opus_int pre_length /* I Preceeding samples for each subframe */ 173 const opus_int pre_length /* I Preceding samples for each subframe */
174 ); 174 );
175 175
176 /* Calculates residual energies of input subframes where all subframes have LPC_ order */ 176 /* Calculates residual energies of input subframes where all subframes have LPC_ order */
177 /* of preceeding samples */ 177 /* of preceding samples */
178 void silk_residual_energy_FLP( 178 void silk_residual_energy_FLP(
179 silk_float nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */ 179 silk_float nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */
180 const silk_float x[], /* I Input signal */ 180 const silk_float x[], /* I Input signal */
181 silk_float a[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */ 181 silk_float a[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */
182 const silk_float gains[], /* I Quantization gains */ 182 const silk_float gains[], /* I Quantization gains */
183 const opus_int subfr_length, /* I Subframe length */ 183 const opus_int subfr_length, /* I Subframe length */
184 const opus_int nb_subfr, /* I number of subframes */ 184 const opus_int nb_subfr, /* I number of subframes */
185 const opus_int LPC_order /* I LPC order */ 185 const opus_int LPC_order /* I LPC order */
186 ); 186 );
187 187
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300 silk_nsq_state *psNSQ, /* I/O Noise Shaping Quantzation state */ 300 silk_nsq_state *psNSQ, /* I/O Noise Shaping Quantzation state */
301 opus_int8 pulses[], /* O Quantized pulse signal */ 301 opus_int8 pulses[], /* O Quantized pulse signal */
302 const silk_float x[] /* I Prefiltered input signal */ 302 const silk_float x[] /* I Prefiltered input signal */
303 ); 303 );
304 304
305 #ifdef __cplusplus 305 #ifdef __cplusplus
306 } 306 }
307 #endif 307 #endif
308 308
309 #endif 309 #endif
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