FreeCalypso > hg > gsm-codec-lib
diff libtwamr/set_sign.h @ 314:15c354f75110
libtwamr: integrate set_sign.c
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Thu, 18 Apr 2024 16:58:25 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/set_sign.h Thu Apr 18 16:58:25 2024 +0000 @@ -0,0 +1,50 @@ +/* +******************************************************************************** +* +* 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 : set_sign.h +* Purpose : Builds sign vector according to "dn[]" and "cn[]". +* +******************************************************************************** +*/ +/* +******************************************************************************** +* MODULE INCLUDE FILE AND VERSION ID +******************************************************************************** +*/ +#ifndef set_sign_h +#define set_sign_h "@(#)$Id $" +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" + +/* +******************************************************************************** +* DECLARATION OF PROTOTYPES +******************************************************************************** +*/ +void set_sign(Word16 dn[], /* i/o : correlation between target and h[] */ + Word16 sign[], /* o : sign of dn[] */ + Word16 dn2[], /* o : maximum of correlation in each track. */ + Word16 n /* i : # of maximum correlations in dn2[] */ +); + +void set_sign12k2 ( + Word16 dn[], /* i/o : correlation between target and h[] */ + Word16 cn[], /* i : residual after long term prediction */ + Word16 sign[], /* o : sign of d[n] */ + Word16 pos_max[], /* o : position of maximum correlation */ + Word16 nb_track, /* i : number of tracks tracks */ + Word16 ipos[], /* o : starting position for each pulse */ + Word16 step /* i : the step size in the tracks */ +); + +#endif