FreeCalypso > hg > gsm-codec-lib
view libtwamr/pre_big.h @ 479:616b7ba1135b
doc/AMR-library-API: document AMR-EFR hybrid decoder
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 19 May 2024 22:22:40 +0000 |
parents | 38ee82480462 |
children |
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/* ******************************************************************************** * * 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 : pre_big.h * Purpose : Big subframe (2 subframes) preprocessing * ******************************************************************************** */ #ifndef pre_big_h #define pre_big_h "$Id $" /* ******************************************************************************** * INCLUDE FILES ******************************************************************************** */ #include "tw_amr.h" #include "typedef.h" #include "cnst.h" /* ******************************************************************************** * DECLARATION OF PROTOTYPES ******************************************************************************** */ int pre_big( enum Mode mode, /* i : coder mode */ const Word16 gamma1[], /* i : spectral exp. factor 1 */ const Word16 gamma1_12k2[],/* i : spectral exp. factor 1 for EFR */ const Word16 gamma2[], /* i : spectral exp. factor 2 */ Word16 A_t[], /* i : A(z) unquantized, for 4 subframes, Q12 */ Word16 frameOffset, /* i : Start position in speech vector, Q0 */ Word16 speech[], /* i : speech, Q0 */ Word16 mem_w[], /* i/o: synthesis filter memory state, Q0 */ Word16 wsp[] /* o : weighted speech Q0 */ ); #endif