FreeCalypso > hg > gsm-codec-lib
changeset 395:8c7d5eec544c
libtwamr: integrate weight_a.c
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 06 May 2024 18:52:57 +0000 |
| parents | 2af94ba0c075 |
| children | 38ee82480462 |
| files | libtwamr/Makefile libtwamr/namespace.list libtwamr/weight_a.c libtwamr/weight_a.h |
| diffstat | 4 files changed, 114 insertions(+), 2 deletions(-) [+] |
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--- a/libtwamr/Makefile Mon May 06 18:49:17 2024 +0000 +++ b/libtwamr/Makefile Mon May 06 18:52:57 2024 +0000 @@ -13,7 +13,7 @@ post_pro.o pow2.o prmno.o q_gain_c.o q_gain_p.o q_plsf.o q_plsf3_tab.o \ q_plsf5_tab.o q_plsf_3.o q_plsf_5.o qgain475.o qgain795.o qua_gain.o \ qua_gain_tab.o reorder.o residu.o s10_8pf.o set_sign.o sqrt_l.o \ - syn_filt.o tls_flags.o window.o + syn_filt.o tls_flags.o weight_a.o window.o HDRS= namespace.h LIB= libtwamr.a
--- a/libtwamr/namespace.list Mon May 06 18:49:17 2024 +0000 +++ b/libtwamr/namespace.list Mon May 06 18:52:57 2024 +0000 @@ -30,7 +30,7 @@ Pitch_fr Pitch_fr_reset Post_Process Post_Process_reset Q_plsf_reset Q_plsf_3 Q_plsf_5 Qua_gain -Residu Syn_filt +Residu Syn_filt Weight_Ai agc agc2 agc_reset pseudonoise build_CN_code build_CN_param
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/weight_a.c Mon May 06 18:52:57 2024 +0000 @@ -0,0 +1,67 @@ +/* +******************************************************************************** +* +* GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 +* R99 Version 3.3.0 +* REL-4 Version 4.1.0 +* +******************************************************************************** +* +* File : weight_a.c +* Purpose : Spectral expansion of LP coefficients. (order==10) +* Description : a_exp[i] = a[i] * fac[i-1] ,i=1,10 +* +******************************************************************************** +*/ +/* +******************************************************************************** +* MODULE INCLUDE FILE AND VERSION ID +******************************************************************************** +*/ +#include "namespace.h" +#include "weight_a.h" + +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" +#include "basic_op.h" +#include "no_count.h" +#include "cnst.h" + +/* +******************************************************************************** +* LOCAL VARIABLES AND TABLES +******************************************************************************** +*/ +/* +*--------------------------------------* +* Constants (defined in cnst.h * +*--------------------------------------* +* M : LPC order * +*--------------------------------------* +*/ + +/* +******************************************************************************** +* PUBLIC PROGRAM CODE +******************************************************************************** +*/ +void Weight_Ai ( + Word16 a[], /* (i) : a[M+1] LPC coefficients (M=10) */ + const Word16 fac[], /* (i) : Spectral expansion factors. */ + Word16 a_exp[] /* (o) : Spectral expanded LPC coefficients */ +) +{ + Word16 i; + + a_exp[0] = a[0]; move16 (); + for (i = 1; i <= M; i++) + { + a_exp[i] = round (L_mult (a[i], fac[i - 1])); move16 (); + } + + return; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/weight_a.h Mon May 06 18:52:57 2024 +0000 @@ -0,0 +1,45 @@ +/* +******************************************************************************** +* +* GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 +* R99 Version 3.3.0 +* REL-4 Version 4.1.0 +* +******************************************************************************** +* +* File : weight_a.h +* Purpose : Spectral expansion of LP coefficients. (order==10) +* Description : a_exp[i] = a[i] * fac[i-1] ,i=1,10 +* +* +******************************************************************************** +*/ +#ifndef weight_a_h +#define weight_a_h "$Id $" + +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" + +/* +******************************************************************************** +* DEFINITION OF DATA TYPES +******************************************************************************** +*/ + +/* +******************************************************************************** +* DECLARATION OF PROTOTYPES +******************************************************************************** +*/ + +void Weight_Ai ( + Word16 a[], /* (i) : a[m+1] LPC coefficients (m=10) */ + const Word16 fac[],/* (i) : Spectral expansion factors. */ + Word16 a_exp[] /* (o) : Spectral expanded LPC coefficients */ +); + +#endif