FreeCalypso > hg > gsm-codec-lib
diff libtwamr/ex_ctrl.h @ 364:3f27ca24c620
libtwamr: integrate ex_ctrl.c
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 06 May 2024 02:54:36 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/ex_ctrl.h Mon May 06 02:54:36 2024 +0000 @@ -0,0 +1,62 @@ +/* +******************************************************************************** +* +* 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 : ex_ctrl.h +* Purpose : Excitation Control module in background noise +* +******************************************************************************** +*/ +#ifndef ex_ctrl_h +#define ex_ctrl_h "$Id $" + +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" +#include "cnst.h" + +/* +******************************************************************************** +* LOCAL VARIABLES AND TABLES +******************************************************************************** +*/ +#define L_ENERGYHIST 60 + +/* +******************************************************************************** +* DEFINITION OF DATA TYPES +******************************************************************************** +*/ + +/* +******************************************************************************** +* DECLARATION OF PROTOTYPES +******************************************************************************** +*/ + +/* +************************************************************************** +* +* Function : Ex_ctrl +* Purpose : Charaterice synthesis speech and detect background noise +* Returns : background noise decision; 0 = bgn, 1 = no bgn +* +************************************************************************** +*/ +Word16 Ex_ctrl (Word16 excitation[], /*i/o: Current subframe excitation */ + Word16 excEnergy, /* i : Exc. Energy, sqrt(totEx*totEx)*/ + Word16 exEnergyHist[], /* i : History of subframe energies */ + Word16 voicedHangover, /* i : # of fr. after last voiced fr.*/ + Word16 prevBFI, /* i : Set i previous BFI */ + Word16 carefulFlag /* i : Restrict dymamic in scaling */ +); + +#endif