diff -r 000000000000 -r 1bce908db942 multimediacommscontroller/mmccamrpayloadformat/src/amrtocentryoa.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/multimediacommscontroller/mmccamrpayloadformat/src/amrtocentryoa.cpp Tue Feb 02 01:04:58 2010 +0200 @@ -0,0 +1,114 @@ +/* +* Copyright (c) 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: +* +*/ + + + + +// INCLUDE FILES +#include "amrtocentryoa.h" +#include "amrpayloadformatter.h" +#include "streamformatter.h" +#include "amrcommonutil.h" + +// CONSTANTS + + +// --------------------------------------------------------------------------- +// CAmrTocEntryOA::CAmrTocEntryOA +// C++ default constructor can NOT contain any code, that +// might leave. +// --------------------------------------------------------------------------- +// +CAmrTocEntryOA::CAmrTocEntryOA() : CAmrTocEntry() + { + DP_AMR_ENCODE( "CAmrTocEntryOA::CAmrTocEntryOA" ); + } + + +// --------------------------------------------------------------------------- +// CAmrTocEntryOA::NewL +// Two-phased constructor. +// --------------------------------------------------------------------------- +// +CAmrTocEntryOA* CAmrTocEntryOA::NewL() + { + DP_AMR_ENCODE( "CAmrTocEntryOA::NewL" ); + + CAmrTocEntryOA* self = new( ELeave ) CAmrTocEntryOA( ); + return self; + } + + +// Destructor +CAmrTocEntryOA::~CAmrTocEntryOA() + { + DP_AMR_ENCODE( "CAmrTocEntryOA::~CAmrTocEntryOA" ); + } + + +// --------------------------------------------------------------------------- +// CAmrTocEntryOA::Encode +// Encode the `table of contents' ( TOC ) entry fields into a given buffer. +// --------------------------------------------------------------------------- +// +void CAmrTocEntryOA::Encode( TUint8* aBuffer, + TInt& aByteIndex, TInt& aBitIndex ) + { + DP_AMR_ENCODE( "CAmrTocEntryOA::Encode" ); + + //A ToC entry takes the following format in octet-aligned mode: + // 0 1 2 3 4 5 6 7 + // +-+-+-+-+-+-+-+-+ + // |F| FT |Q|P|P| + // +-+-+-+-+-+-+-+-+ + // P bits: padding bits, MUST be set to zero. + + // Call base-clase Encode function + CAmrTocEntry::Encode( aBuffer, aByteIndex, aBitIndex ); + + TStreamEncoder encoder; + encoder.Initialize( aBuffer, aByteIndex, aBitIndex ); + encoder.Encode( 0, KNumValue2 ); // 2 Padding bits, must be ZERO + + // Update Byte and Bit positions + aByteIndex = encoder.ByteIndex( ); + aBitIndex = encoder.BitIndex( ); + } + + +// --------------------------------------------------------------------------- +// CAmrTocEntryOA::Decode +// Decode the `table of contents' ( TOC ) entry fields from a given buffer. +// --------------------------------------------------------------------------- +// +void CAmrTocEntryOA::Decode( const TUint8* aBuffer, + TInt& aByteIndex, TInt& aBitIndex ) + { + DP_AMR_ENCODE( "CAmrTocEntryOA::Decode" ); + + // Call base-class Decode function + CAmrTocEntry::Decode( aBuffer, aByteIndex, aBitIndex ); + + TStreamDecoder decoder; + decoder.Initialize( aBuffer, aByteIndex, aBitIndex ); + decoder.Decode( KNumValue2 ); // Skip 2 Padding bits + + // Update Byte and Bit positions + aByteIndex = decoder.ByteIndex( ); + aBitIndex = decoder.BitIndex( ); + } +