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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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28 #ifdef HAVE_CONFIG_H | 28 #ifdef HAVE_CONFIG_H |
29 #include "config.h" | 29 #include "config.h" |
30 #endif | 30 #endif |
31 | 31 |
32 #include "main_FLP.h" | 32 #include "main_FLP.h" |
33 #include "tuning_parameters.h" | 33 #include "tuning_parameters.h" |
34 | 34 |
35 /* | 35 /* |
36 * Prefilter for finding Quantizer input signal | 36 * Prefilter for finding Quantizer input signal |
37 */ | 37 */ |
38 static inline void silk_prefilt_FLP( | 38 static OPUS_INLINE void silk_prefilt_FLP( |
39 silk_prefilter_state_FLP *P, /* I/O state */ | 39 silk_prefilter_state_FLP *P, /* I/O state */ |
40 silk_float st_res[], /* I */ | 40 silk_float st_res[], /* I */ |
41 silk_float xw[], /* O */ | 41 silk_float xw[], /* O */ |
42 silk_float *HarmShapeFIR, /* I */ | 42 silk_float *HarmShapeFIR, /* I */ |
43 silk_float Tilt, /* I */ | 43 silk_float Tilt, /* I */ |
44 silk_float LF_MA_shp, /* I */ | 44 silk_float LF_MA_shp, /* I */ |
45 silk_float LF_AR_shp, /* I */ | 45 silk_float LF_AR_shp, /* I */ |
46 opus_int lag, /* I */ | 46 opus_int lag, /* I */ |
47 opus_int length /* I */ | 47 opus_int length /* I */ |
48 ); | 48 ); |
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146 | 146 |
147 px += psEnc->sCmn.subfr_length; | 147 px += psEnc->sCmn.subfr_length; |
148 pxw += psEnc->sCmn.subfr_length; | 148 pxw += psEnc->sCmn.subfr_length; |
149 } | 149 } |
150 P->lagPrev = psEncCtrl->pitchL[ psEnc->sCmn.nb_subfr - 1 ]; | 150 P->lagPrev = psEncCtrl->pitchL[ psEnc->sCmn.nb_subfr - 1 ]; |
151 } | 151 } |
152 | 152 |
153 /* | 153 /* |
154 * Prefilter for finding Quantizer input signal | 154 * Prefilter for finding Quantizer input signal |
155 */ | 155 */ |
156 static inline void silk_prefilt_FLP( | 156 static OPUS_INLINE void silk_prefilt_FLP( |
157 silk_prefilter_state_FLP *P, /* I/O state */ | 157 silk_prefilter_state_FLP *P, /* I/O state */ |
158 silk_float st_res[], /* I */ | 158 silk_float st_res[], /* I */ |
159 silk_float xw[], /* O */ | 159 silk_float xw[], /* O */ |
160 silk_float *HarmShapeFIR, /* I */ | 160 silk_float *HarmShapeFIR, /* I */ |
161 silk_float Tilt, /* I */ | 161 silk_float Tilt, /* I */ |
162 silk_float LF_MA_shp, /* I */ | 162 silk_float LF_MA_shp, /* I */ |
163 silk_float LF_AR_shp, /* I */ | 163 silk_float LF_AR_shp, /* I */ |
164 opus_int lag, /* I */ | 164 opus_int lag, /* I */ |
165 opus_int length /* I */ | 165 opus_int length /* I */ |
166 ) | 166 ) |
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197 LTP_shp_buf_idx = ( LTP_shp_buf_idx - 1 ) & LTP_MASK; | 197 LTP_shp_buf_idx = ( LTP_shp_buf_idx - 1 ) & LTP_MASK; |
198 LTP_shp_buf[ LTP_shp_buf_idx ] = sLF_MA_shp; | 198 LTP_shp_buf[ LTP_shp_buf_idx ] = sLF_MA_shp; |
199 | 199 |
200 xw[ i ] = sLF_MA_shp - n_LTP; | 200 xw[ i ] = sLF_MA_shp - n_LTP; |
201 } | 201 } |
202 /* Copy temp variable back to state */ | 202 /* Copy temp variable back to state */ |
203 P->sLF_AR_shp = sLF_AR_shp; | 203 P->sLF_AR_shp = sLF_AR_shp; |
204 P->sLF_MA_shp = sLF_MA_shp; | 204 P->sLF_MA_shp = sLF_MA_shp; |
205 P->sLTP_shp_buf_idx = LTP_shp_buf_idx; | 205 P->sLTP_shp_buf_idx = LTP_shp_buf_idx; |
206 } | 206 } |
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