/*

* Copyright (c) 2004-2006 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:    Provides G729 payload format spesific definitions.

*

*/

#ifndef G729PAYLOADFORMATUTIL_H

#define G729PAYLOADFORMATUTIL_H

//  INCLUDES

#ifdef _DEBUG

    #include <e32svr.h>

    #define TRACE_G729_PAYLOAD_FORMAT_WRITE

    #define TRACE_G729_PAYLOAD_FORMAT_READ

#endif

// CONSTANTS

const TUint KG729SampleRate = 8000;

const TUint8 KDefNumOfChannels = 1;

// Codec header bytes indicating type of the frame

const TUint8 KAudioFrameHeaderByte( 1 );

const TUint8 KCNoiseFrameHeaderByte( 2 );

// Number of header bytes

const TUint8 KG729NumOfHeaderBytes = 2;

// Size of the speech parameter buffer codec uses

const TUint8 KG729CodecEncBufSize = 24;

const TUint8 KG729CodecDecBufSize = 24;

// Number of 16-bit speech parameters codec uses

const TUint8 KG729NumOfAudioParams = 11;

const TUint8 KG729NumOfCNoiseParams = 4;

// Number of bits used for each codec input/output speech parameter

const TUint8 KG729CodecBufAudioBits[] = { 8, 10, 8, 1, 13, 4, 7, 5, 13, 4, 7 };

const TUint8 KG729CodecBufCNoiseBits[] = { 1, 5, 4, 5 };

// RFC3551

const TInt KG729FrameSize10ms       = 10;

const TInt KG729CNFrameSize         = 2;

const TInt KG729FrameTimeInMs       = 10;

// Bits in one byte

const TUint8 KBitsInByte = 8;

#endif      // G729PAYLOADFORMATUTIL_H

// End of File