--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccamrpayloadformat/src/amrpayloadheaderoa.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,119 @@
+/*
+* 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:    
+*                Amr audio.
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#include "amrpayloadheaderoa.h"
+#include "streamformatter.h"
+#include "amrcommonutil.h"
+
+// CONSTANTS
+
+
+// ============================ MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadHeader::CAmrPayloadHeader
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// ---------------------------------------------------------------------------
+//
+CAmrPayloadHeaderOA::CAmrPayloadHeaderOA() : CAmrPayloadHeader()
+    {
+    DP_AMR_ENCODE( "CAmrPayloadHeaderOA::CAmrPayloadHeaderOA" );        
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadHeaderOA::NewL
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CAmrPayloadHeaderOA* CAmrPayloadHeaderOA::NewL()
+    {
+    DP_AMR_ENCODE( "CAmrPayloadHeaderOA::NewL" );
+    
+    CAmrPayloadHeaderOA* self = new( ELeave ) CAmrPayloadHeaderOA( );
+
+    return self;
+    }
+
+
+// Destructor
+CAmrPayloadHeaderOA::~CAmrPayloadHeaderOA()
+    {
+    DP_AMR_ENCODE( "CAmrPayloadHeaderOA::~CAmrPayloadHeaderOA" );
+    }
+    
+    
+// ---------------------------------------------------------------------------
+// CAmrPayloadHeaderOA::Encode
+// Encode the payload header fields into a given buffer at the given position.
+// ---------------------------------------------------------------------------
+//
+void CAmrPayloadHeaderOA::Encode( TUint8* aBuffer, 
+        TInt& aByteIndex, TInt& aBitIndex )
+    {
+    DP_AMR_ENCODE( "CAmrPayloadHeaderOA::Encode" );
+        
+    //In octet-aligned mode, the payload header consists of a 4 bit CMR, 4
+    //reserved bits, and optionally, an 8 bit interleaving header, as shown
+    //below:
+    //    0                   1
+    //    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+    //   +-+-+-+-+-+-+-+-+- - - - - - - -
+    //   |  CMR  |R|R|R|R|  ILL  |  ILP  |
+    //   +-+-+-+-+-+-+-+-+- - - - - - - -
+    // ILL and ILP are optional, PoC is not supporting these two fields.
+
+    // Call base-class Encoder function
+    CAmrPayloadHeader::Encode( aBuffer, aByteIndex, aBitIndex ); 
+
+    TStreamEncoder encoder;
+    encoder.Initialize( aBuffer, aByteIndex, aBitIndex );
+    encoder.Encode( 0, KNumValue4 ); // 4 Reserved bits
+
+    // Update Byte and Bit positions
+    aByteIndex = encoder.ByteIndex( );
+    aBitIndex = encoder.BitIndex( );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadHeaderOA::Decode
+// Decode the payload header from a given buffer at the given position.
+// ---------------------------------------------------------------------------
+//
+void CAmrPayloadHeaderOA::Decode( const TUint8* aBuffer, 
+    TInt& aByteIndex, TInt& aBitIndex )
+    {
+    DP_AMR_ENCODE( "CAmrPayloadHeaderOA::Decode" );
+        
+    // Call base-class Decoder function
+    CAmrPayloadHeader::Decode( aBuffer, aByteIndex, aBitIndex );
+
+    TStreamDecoder decoder;
+    decoder.Initialize( aBuffer, aByteIndex, aBitIndex );
+    decoder.Decode( KNumValue4 );    // skip 4 Reserved bits
+
+    // Update Byte and Bit positions
+    aByteIndex = decoder.ByteIndex( );
+    aBitIndex = decoder.BitIndex( );
+    }