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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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27 | 27 |
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_FIX.h" | 32 #include "main_FIX.h" |
33 #include "stack_alloc.h" | 33 #include "stack_alloc.h" |
34 #include "tuning_parameters.h" | 34 #include "tuning_parameters.h" |
35 | 35 |
36 /* Prefilter for finding Quantizer input signal */ | 36 /* Prefilter for finding Quantizer input signal */ |
37 static inline void silk_prefilt_FIX( | 37 static OPUS_INLINE void silk_prefilt_FIX( |
38 silk_prefilter_state_FIX *P, /* I/O state
*/ | 38 silk_prefilter_state_FIX *P, /* I/O state
*/ |
39 opus_int32 st_res_Q12[], /* I short term r
esidual signal */ | 39 opus_int32 st_res_Q12[], /* I short term r
esidual signal */ |
40 opus_int32 xw_Q3[], /* O prefiltered
signal */ | 40 opus_int32 xw_Q3[], /* O prefiltered
signal */ |
41 opus_int32 HarmShapeFIRPacked_Q12, /* I Harmonic sha
ping coeficients */ | 41 opus_int32 HarmShapeFIRPacked_Q12, /* I Harmonic sha
ping coeficients */ |
42 opus_int Tilt_Q14, /* I Tilt shaping
coeficient */ | 42 opus_int Tilt_Q14, /* I Tilt shaping
coeficient */ |
43 opus_int32 LF_shp_Q14, /* I Low-frequanc
y shaping coeficients */ | 43 opus_int32 LF_shp_Q14, /* I Low-frequanc
y shaping coeficients */ |
44 opus_int lag, /* I Lag for harm
onic shaping */ | 44 opus_int lag, /* I Lag for harm
onic shaping */ |
45 opus_int length /* I Length of si
gnals */ | 45 opus_int length /* I Length of si
gnals */ |
46 ); | 46 ); |
47 | 47 |
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149 | 149 |
150 px += psEnc->sCmn.subfr_length; | 150 px += psEnc->sCmn.subfr_length; |
151 pxw_Q3 += psEnc->sCmn.subfr_length; | 151 pxw_Q3 += psEnc->sCmn.subfr_length; |
152 } | 152 } |
153 | 153 |
154 P->lagPrev = psEncCtrl->pitchL[ psEnc->sCmn.nb_subfr - 1 ]; | 154 P->lagPrev = psEncCtrl->pitchL[ psEnc->sCmn.nb_subfr - 1 ]; |
155 RESTORE_STACK; | 155 RESTORE_STACK; |
156 } | 156 } |
157 | 157 |
158 /* Prefilter for finding Quantizer input signal */ | 158 /* Prefilter for finding Quantizer input signal */ |
159 static inline void silk_prefilt_FIX( | 159 static OPUS_INLINE void silk_prefilt_FIX( |
160 silk_prefilter_state_FIX *P, /* I/O state
*/ | 160 silk_prefilter_state_FIX *P, /* I/O state
*/ |
161 opus_int32 st_res_Q12[], /* I short term r
esidual signal */ | 161 opus_int32 st_res_Q12[], /* I short term r
esidual signal */ |
162 opus_int32 xw_Q3[], /* O prefiltered
signal */ | 162 opus_int32 xw_Q3[], /* O prefiltered
signal */ |
163 opus_int32 HarmShapeFIRPacked_Q12, /* I Harmonic sha
ping coeficients */ | 163 opus_int32 HarmShapeFIRPacked_Q12, /* I Harmonic sha
ping coeficients */ |
164 opus_int Tilt_Q14, /* I Tilt shaping
coeficient */ | 164 opus_int Tilt_Q14, /* I Tilt shaping
coeficient */ |
165 opus_int32 LF_shp_Q14, /* I Low-frequanc
y shaping coeficients */ | 165 opus_int32 LF_shp_Q14, /* I Low-frequanc
y shaping coeficients */ |
166 opus_int lag, /* I Lag for harm
onic shaping */ | 166 opus_int lag, /* I Lag for harm
onic shaping */ |
167 opus_int length /* I Length of si
gnals */ | 167 opus_int length /* I Length of si
gnals */ |
168 ) | 168 ) |
169 { | 169 { |
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200 LTP_shp_buf[ LTP_shp_buf_idx ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROU
ND( sLF_MA_shp_Q12, 12 ) ); | 200 LTP_shp_buf[ LTP_shp_buf_idx ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROU
ND( sLF_MA_shp_Q12, 12 ) ); |
201 | 201 |
202 xw_Q3[i] = silk_RSHIFT_ROUND( silk_SUB32( sLF_MA_shp_Q12, n_LTP_Q12 ), 9
); | 202 xw_Q3[i] = silk_RSHIFT_ROUND( silk_SUB32( sLF_MA_shp_Q12, n_LTP_Q12 ), 9
); |
203 } | 203 } |
204 | 204 |
205 /* Copy temp variable back to state */ | 205 /* Copy temp variable back to state */ |
206 P->sLF_AR_shp_Q12 = sLF_AR_shp_Q12; | 206 P->sLF_AR_shp_Q12 = sLF_AR_shp_Q12; |
207 P->sLF_MA_shp_Q12 = sLF_MA_shp_Q12; | 207 P->sLF_MA_shp_Q12 = sLF_MA_shp_Q12; |
208 P->sLTP_shp_buf_idx = LTP_shp_buf_idx; | 208 P->sLTP_shp_buf_idx = LTP_shp_buf_idx; |
209 } | 209 } |
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