FreeCalypso > hg > gsm-codec-lib
view libtwamr/ol_ltp.h @ 480:332397bc80aa
doc/AMR-library-API: document public const data items
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 19 May 2024 23:18:17 +0000 |
parents | f17e42c63058 |
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 : ol_ltp.h * Purpose : Compute the open loop pitch lag. * ******************************************************************************** */ #ifndef ol_ltp_h #define ol_ltp_h "$Id $" /* ******************************************************************************** * INCLUDE FILES ******************************************************************************** */ #include "tw_amr.h" #include "typedef.h" #include "p_ol_wgh.h" /* ******************************************************************************** * DECLARATION OF PROTOTYPES ******************************************************************************** */ int ol_ltp( pitchOLWghtState *st, /* i/o : State struct */ vadState *vadSt, /* i/o : VAD state struct */ enum Mode mode, /* i : coder mode */ Word16 wsp[], /* i : signal used to compute the OL pitch, Q0 */ /* uses signal[-pit_max] to signal[-1] */ Word16 *T_op, /* o : open loop pitch lag, Q0 */ Word16 old_lags[], /* i : history with old stored Cl lags */ Word16 ol_gain_flg[], /* i : OL gain flag */ Word16 idx, /* i : index */ Flag dtx /* i : dtx flag; use dtx=1, do not use dtx=0 */ ); #endif