14f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/* ------------------------------------------------------------------
24f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Copyright (C) 1998-2009 PacketVideo
34f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *
44f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License");
54f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * you may not use this file except in compliance with the License.
64f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * You may obtain a copy of the License at
74f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *
84f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *      http://www.apache.org/licenses/LICENSE-2.0
94f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber *
104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * Unless required by applicable law or agreed to in writing, software
114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS,
124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * express or implied.
144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * See the License for the specific language governing permissions
154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * and limitations under the License.
164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber * -------------------------------------------------------------------
174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber */
184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/****************************************************************************************
194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberPortions of this file are derived from the following 3GPP standard:
204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    3GPP TS 26.073
224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    Available from http://www.3gpp.org
244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas HuberPermission to distribute, modify and use this file under the standard license
274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberterms listed above has been obtained from the copyright holder.
284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber****************************************************************************************/
294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*
304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------
314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Filename: /audio/gsm_amr/c/include/lsp_avg.h
354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber     Date: 01/29/2002
374f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
384f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------
394f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber REVISION HISTORY
404f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
414f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Placed header file in the proper template format.  Added
424f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber parameter pOverflow for the basic math ops.
434f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
444f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Per review comments, I removed the prototype definition
454f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber of lsp_avg_init and lsp_avg_exit.
464f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
474f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description:  Replaced "int" and/or "char" with OSCL defined types.
484f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
494f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description: Moved _cplusplus #ifdef after Include section.
504f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
514f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber Description:
524f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
534f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------
544f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber INCLUDE DESCRIPTION
554f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
564f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber This file contains all the constant definitions and prototype definitions
574f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber needed by the lsp_avg.c
584f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
594f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber------------------------------------------------------------------------------
604f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber*/
614f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
624f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*----------------------------------------------------------------------------
634f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; CONTINUE ONLY IF NOT ALREADY DEFINED
644f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/
654f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifndef lsp_avg_h
664f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define lsp_avg_h "$Id $"
674f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
684f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*----------------------------------------------------------------------------
694f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber; INCLUDES
704f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber----------------------------------------------------------------------------*/
714f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "typedef.h"
724f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#include "cnst.h"
734f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
744f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber/*--------------------------------------------------------------------------*/
754f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifdef __cplusplus
764f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huberextern "C"
774f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber{
784f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif
794f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
804f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    /*----------------------------------------------------------------------------
814f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; MACROS
824f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; Define module specific macros here
834f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ----------------------------------------------------------------------------*/
844f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
854f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    /*----------------------------------------------------------------------------
864f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; DEFINES
874f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; Include all pre-processor statements here.
884f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ----------------------------------------------------------------------------*/
894f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#define EXPCONST          5243               /* 0.16 in Q15 */
904f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
914f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    /*----------------------------------------------------------------------------
924f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; EXTERNAL VARIABLES REFERENCES
934f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; Declare variables used in this module but defined elsewhere
944f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ----------------------------------------------------------------------------*/
954f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
964f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    /*----------------------------------------------------------------------------
974f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; SIMPLE TYPEDEF'S
984f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ----------------------------------------------------------------------------*/
994f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
1004f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    /*----------------------------------------------------------------------------
1014f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; ENUMERATED TYPEDEF'S
1024f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ----------------------------------------------------------------------------*/
1034f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
1044f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    /*----------------------------------------------------------------------------
1054f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; STRUCTURES TYPEDEF'S
1064f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ----------------------------------------------------------------------------*/
1074f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    typedef struct
1084f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    {
1094f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber        Word16 lsp_meanSave[M];          /* Averaged LSPs saved for efficiency  */
1104f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    } lsp_avgState;
1114f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
1124f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    /*----------------------------------------------------------------------------
1134f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; GLOBAL FUNCTION DEFINITIONS
1144f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; Function Prototype declaration
1154f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ----------------------------------------------------------------------------*/
1164f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
1174f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    Word16 lsp_avg_reset(
1184f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber        lsp_avgState *state
1194f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    );
1204f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
1214f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
1224f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    void lsp_avg(
1234f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber        lsp_avgState *st,     /* i/o : State struct                 Q15 */
1244f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber        Word16 *lsp,          /* i   : LSP vector                   Q15 */
1254f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber        Flag   *pOverflow     /* o   : Flag set when overflow occurs    */
1264f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    );
1274f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
1284f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    /*----------------------------------------------------------------------------
1294f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ; END
1304f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber    ----------------------------------------------------------------------------*/
1314f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#ifdef __cplusplus
1324f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber}
1334f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif
1344f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
1354f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber#endif /* _LSP_LSF_H_ */
1364f1efc098cb5791c3e9f483f2af84aef70d2d0a0Andreas Huber
137