FreeCalypso > hg > gsm-codec-lib
view libtwamr/inter_36.h @ 553:ebcf414b7d99
doc/TFO-transform: describe details for FRv1, both modes
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 07 Oct 2024 08:24:24 +0000 |
parents | 838ed426bb76 |
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 : inter_36.h * Purpose : Interpolating the normalized correlation * : with 1/3 or 1/6 resolution. * ******************************************************************************** */ #ifndef inter_36_h #define inter_36_h "$Id $" /* ******************************************************************************** * INCLUDE FILES ******************************************************************************** */ #include "typedef.h" /* ******************************************************************************** * DEFINITION OF DATA TYPES ******************************************************************************** */ /* ******************************************************************************** * DECLARATION OF PROTOTYPES ******************************************************************************** */ Word16 Interpol_3or6 ( /* (o) : interpolated value */ Word16 *x, /* (i) : input vector */ Word16 frac, /* (i) : fraction (-2..2 for 3*, -3..3 for 6*) */ Word16 flag3 /* (i) : if set, upsampling rate = 3 (6 otherwise) */ ); #endif