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rtphone/src/libs/libg729/g729_taming.h
2018-06-05 11:05:37 +03:00

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C

/*
ITU-T G.729A Speech Coder ANSI-C Source Code
Version 1.1 Last modified: September 1996
Copyright (c) 1996,
AT&T, France Telecom, NTT, Universite de Sherbrooke
All rights reserved.
*/
/*--------------------------------------------------------------------------*
* Constants and prototypes for taming procedure. *
*--------------------------------------------------------------------------*/
#define GPCLIP 15564 /* Maximum pitch gain if taming is needed Q14 */
#define GPCLIP2 481 /* Maximum pitch gain if taming is needed Q9 */
#define GP0999 16383 /* Maximum pitch gain if taming is needed */
#define L_THRESH_ERR 983040000L /* Error threshold taming 16384. * 60000. */
void Init_exc_err (CodState *coder);
void update_exc_err (CodState *coder, Word16 gain_pit, Word16 t0);
Word16 test_err (CodState *coder, Word16 t0, Word16 t0_frac);