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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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31 #ifdef FIXED_POINT | 31 #ifdef FIXED_POINT |
32 #include "main_FIX.h" | 32 #include "main_FIX.h" |
33 #define silk_encoder_state_Fxx silk_encoder_state_FIX | 33 #define silk_encoder_state_Fxx silk_encoder_state_FIX |
34 #else | 34 #else |
35 #include "main_FLP.h" | 35 #include "main_FLP.h" |
36 #define silk_encoder_state_Fxx silk_encoder_state_FLP | 36 #define silk_encoder_state_Fxx silk_encoder_state_FLP |
37 #endif | 37 #endif |
38 #include "tuning_parameters.h" | 38 #include "tuning_parameters.h" |
39 #include "pitch_est_defines.h" | 39 #include "pitch_est_defines.h" |
40 | 40 |
41 opus_int silk_setup_resamplers( | 41 static opus_int silk_setup_resamplers( |
42 silk_encoder_state_Fxx *psEnc, /* I/O
*/ | 42 silk_encoder_state_Fxx *psEnc, /* I/O
*/ |
43 opus_int fs_kHz /* I
*/ | 43 opus_int fs_kHz /* I
*/ |
44 ); | 44 ); |
45 | 45 |
46 opus_int silk_setup_fs( | 46 static opus_int silk_setup_fs( |
47 silk_encoder_state_Fxx *psEnc, /* I/O
*/ | 47 silk_encoder_state_Fxx *psEnc, /* I/O
*/ |
48 opus_int fs_kHz, /* I
*/ | 48 opus_int fs_kHz, /* I
*/ |
49 opus_int PacketSize_ms /* I
*/ | 49 opus_int PacketSize_ms /* I
*/ |
50 ); | 50 ); |
51 | 51 |
52 opus_int silk_setup_complexity( | 52 static opus_int silk_setup_complexity( |
53 silk_encoder_state *psEncC, /* I/O
*/ | 53 silk_encoder_state *psEncC, /* I/O
*/ |
54 opus_int Complexity /* I
*/ | 54 opus_int Complexity /* I
*/ |
55 ); | 55 ); |
56 | 56 |
57 static inline opus_int silk_setup_LBRR( | 57 static inline opus_int silk_setup_LBRR( |
58 silk_encoder_state *psEncC, /* I/O
*/ | 58 silk_encoder_state *psEncC, /* I/O
*/ |
59 const opus_int32 TargetRate_bps /* I
*/ | 59 const opus_int32 TargetRate_bps /* I
*/ |
60 ); | 60 ); |
61 | 61 |
62 | 62 |
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124 /********************************************/ | 124 /********************************************/ |
125 /* Set LBRR usage */ | 125 /* Set LBRR usage */ |
126 /********************************************/ | 126 /********************************************/ |
127 ret += silk_setup_LBRR( &psEnc->sCmn, TargetRate_bps ); | 127 ret += silk_setup_LBRR( &psEnc->sCmn, TargetRate_bps ); |
128 | 128 |
129 psEnc->sCmn.controlled_since_last_payload = 1; | 129 psEnc->sCmn.controlled_since_last_payload = 1; |
130 | 130 |
131 return ret; | 131 return ret; |
132 } | 132 } |
133 | 133 |
134 opus_int silk_setup_resamplers( | 134 static opus_int silk_setup_resamplers( |
135 silk_encoder_state_Fxx *psEnc, /* I/O
*/ | 135 silk_encoder_state_Fxx *psEnc, /* I/O
*/ |
136 opus_int fs_kHz /* I
*/ | 136 opus_int fs_kHz /* I
*/ |
137 ) | 137 ) |
138 { | 138 { |
139 opus_int ret = SILK_NO_ERROR; | 139 opus_int ret = SILK_NO_ERROR; |
140 opus_int32 nSamples_temp; | 140 opus_int32 nSamples_temp; |
141 | 141 |
142 if( psEnc->sCmn.fs_kHz != fs_kHz || psEnc->sCmn.prev_API_fs_Hz != psEnc->sCm
n.API_fs_Hz ) | 142 if( psEnc->sCmn.fs_kHz != fs_kHz || psEnc->sCmn.prev_API_fs_Hz != psEnc->sCm
n.API_fs_Hz ) |
143 { | 143 { |
144 if( psEnc->sCmn.fs_kHz == 0 ) { | 144 if( psEnc->sCmn.fs_kHz == 0 ) { |
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179 silk_short2float_array( psEnc->x_buf, x_bufFIX, ( 2 * MAX_FRAME_LENG
TH_MS + LA_SHAPE_MS ) * fs_kHz ); | 179 silk_short2float_array( psEnc->x_buf, x_bufFIX, ( 2 * MAX_FRAME_LENG
TH_MS + LA_SHAPE_MS ) * fs_kHz ); |
180 #endif | 180 #endif |
181 } | 181 } |
182 } | 182 } |
183 | 183 |
184 psEnc->sCmn.prev_API_fs_Hz = psEnc->sCmn.API_fs_Hz; | 184 psEnc->sCmn.prev_API_fs_Hz = psEnc->sCmn.API_fs_Hz; |
185 | 185 |
186 return ret; | 186 return ret; |
187 } | 187 } |
188 | 188 |
189 opus_int silk_setup_fs( | 189 static opus_int silk_setup_fs( |
190 silk_encoder_state_Fxx *psEnc, /* I/O
*/ | 190 silk_encoder_state_Fxx *psEnc, /* I/O
*/ |
191 opus_int fs_kHz, /* I
*/ | 191 opus_int fs_kHz, /* I
*/ |
192 opus_int PacketSize_ms /* I
*/ | 192 opus_int PacketSize_ms /* I
*/ |
193 ) | 193 ) |
194 { | 194 { |
195 opus_int ret = SILK_NO_ERROR; | 195 opus_int ret = SILK_NO_ERROR; |
196 | 196 |
197 /* Set packet size */ | 197 /* Set packet size */ |
198 if( PacketSize_ms != psEnc->sCmn.PacketSize_ms ) { | 198 if( PacketSize_ms != psEnc->sCmn.PacketSize_ms ) { |
199 if( ( PacketSize_ms != 10 ) && | 199 if( ( PacketSize_ms != 10 ) && |
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292 psEnc->sCmn.pitch_lag_low_bits_iCDF = silk_uniform4_iCDF; | 292 psEnc->sCmn.pitch_lag_low_bits_iCDF = silk_uniform4_iCDF; |
293 } | 293 } |
294 } | 294 } |
295 | 295 |
296 /* Check that settings are valid */ | 296 /* Check that settings are valid */ |
297 silk_assert( ( psEnc->sCmn.subfr_length * psEnc->sCmn.nb_subfr ) == psEnc->s
Cmn.frame_length ); | 297 silk_assert( ( psEnc->sCmn.subfr_length * psEnc->sCmn.nb_subfr ) == psEnc->s
Cmn.frame_length ); |
298 | 298 |
299 return ret; | 299 return ret; |
300 } | 300 } |
301 | 301 |
302 opus_int silk_setup_complexity( | 302 static opus_int silk_setup_complexity( |
303 silk_encoder_state *psEncC, /* I/O
*/ | 303 silk_encoder_state *psEncC, /* I/O
*/ |
304 opus_int Complexity /* I
*/ | 304 opus_int Complexity /* I
*/ |
305 ) | 305 ) |
306 { | 306 { |
307 opus_int ret = 0; | 307 opus_int ret = 0; |
308 | 308 |
309 /* Set encoding complexity */ | 309 /* Set encoding complexity */ |
310 silk_assert( Complexity >= 0 && Complexity <= 10 ); | 310 silk_assert( Complexity >= 0 && Complexity <= 10 ); |
311 if( Complexity < 2 ) { | 311 if( Complexity < 2 ) { |
312 psEncC->pitchEstimationComplexity = SILK_PE_MIN_COMPLEX; | 312 psEncC->pitchEstimationComplexity = SILK_PE_MIN_COMPLEX; |
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402 | 402 |
403 if( TargetRate_bps > LBRR_rate_thres_bps ) { | 403 if( TargetRate_bps > LBRR_rate_thres_bps ) { |
404 /* Set gain increase for coding LBRR excitation */ | 404 /* Set gain increase for coding LBRR excitation */ |
405 psEncC->LBRR_enabled = 1; | 405 psEncC->LBRR_enabled = 1; |
406 psEncC->LBRR_GainIncreases = silk_max_int( 7 - silk_SMULWB( (opus_in
t32)psEncC->PacketLoss_perc, SILK_FIX_CONST( 0.4, 16 ) ), 2 ); | 406 psEncC->LBRR_GainIncreases = silk_max_int( 7 - silk_SMULWB( (opus_in
t32)psEncC->PacketLoss_perc, SILK_FIX_CONST( 0.4, 16 ) ), 2 ); |
407 } | 407 } |
408 } | 408 } |
409 | 409 |
410 return ret; | 410 return ret; |
411 } | 411 } |
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