// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef _RPELTP_H

#define _RPELTP_H

#include "types.h"

const TInt KFrameSize = 160;

const TInt KSubFrameSize = 40;

#define FRAMESIZE KFrameSize   /* samples in speech frame */

#define SUBFRAMESIZE KSubFrameSize /* samples in subframe */

class CGSM610FR_Encoder;

class CGSM610FR_Decoder;

void reset_encoder( CGSM610FR_Encoder* aEncoder );

void reset_decoder( CGSM610FR_Decoder* aDecoder );

void prepr( CGSM610FR_Encoder* aEncoder, int2 sof[], int2 so[] );

void preemp( CGSM610FR_Encoder* aEncoder, int2 s[], int2 sof[] );

int2 autoc( int4 L_ACF[], int2 s[] ); /* scalauto is returned */

void schur( int2 r[], int4 L_ACF[] );

void larcomp( int2 LAR[], int2 r[] );

void codlar( int2 LARc[], int2 LAR[] );

void declar( int2 LARpp[], int2 LARc[] );

void cparc1( int2 LARp[], int2 LARpp_prev[], int2 LARpp[] );

void cparc2( int2 LARp[], int2 LARpp_prev[], int2 LARpp[] );

void cparc3( int2 LARp[], int2 LARpp_prev[], int2 LARpp[] );

void cparc4( int2 LARp[], int2 LARpp_prev[], int2 LARpp[] );

void crp( int2 rp[], int2 LARp[] );

void invfil( CGSM610FR_Encoder* aEncoder, int2 d[], int2 s[], int2 rp[], int k_start, int k_end );

void ltpcomp( CGSM610FR_Encoder* aEncoder, int2 *Nc, int2 *bc, int2 d[], int k_start );

void ltpfil( CGSM610FR_Encoder* aEncoder, int2 e[], int2 dpp[], int2 d[], int2 bc, int2 Nc, int k_start );

void weight( int2 x[], int2 e[] );

int2 gridsel( int2 xM[], int2 x[] );

void expman( int2 *EXP, int2 *mant, int2 xmaxc );

int2 quantize_xmax( int2 xmax );

int2 apcm( int2 *xmaxc, int2 xMc[], int2 xM[], int2 *EXP, int2 *mant );

void iapcm( int2 xMp[], int2 xMc[], int2 EXP, int2 mant );

void gridpos( int2 ep[], int2 xMp[], int2 Mc );

void ltpupd( CGSM610FR_Encoder* aEncoder, int2 dpp[], int2 ep[] );

void ltpsyn( CGSM610FR_Decoder* aDecoder, int2 erp[], int2 wt[], int2 bcr, int2 Ncr );

void synfil( CGSM610FR_Decoder* aDecoder, int2 sr[], int2 wt[], int2 rrp[], int k_start, int k_end );

void postpr( CGSM610FR_Decoder* aDecoder, int2 srop[], int2 sr[] );

#endif