FreeCalypso > hg > gsm-codec-lib
diff libtwamr/enc_lag3.h @ 363:0349de7c45b7
libtwamr: integrate enc_lag[36].c
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 06 May 2024 02:46:19 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/enc_lag3.h Mon May 06 02:46:19 2024 +0000 @@ -0,0 +1,47 @@ +/* +******************************************************************************** +* +* 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 : enc_lag3.h +* Purpose : Encoding of fractional pitch lag with 1/3 resolution. +* +******************************************************************************** +*/ +#ifndef enc_lag3_h +#define enc_lag3_h "$Id $" + +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" + +/* +******************************************************************************** +* DEFINITION OF DATA TYPES +******************************************************************************** +*/ + +/* +******************************************************************************** +* DECLARATION OF PROTOTYPES +******************************************************************************** +*/ +Word16 +Enc_lag3( /* o : Return index of encoding */ + Word16 T0, /* i : Pitch delay */ + Word16 T0_frac, /* i : Fractional pitch delay */ + Word16 T0_prev, /* i : Integer pitch delay of last subframe */ + Word16 T0_min, /* i : minimum of search range */ + Word16 T0_max, /* i : maximum of search range */ + Word16 delta_flag, /* i : Flag for 1st (or 3rd) subframe */ + Word16 flag4 /* i : Flag for encoding with 4 bits */ +); + +#endif