FreeCalypso > hg > gsm-codec-lib
view libtwamr/set_sign.h @ 371:4a8cabac281e
libtwamr: integrate q_plsf.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 06 May 2024 03:45:04 +0000 |
parents | 15c354f75110 |
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 : 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