multimediacommscontroller/mmccamrpayloadformat/src/amrtocentryoa.cpp
changeset 0 1bce908db942
--- /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( );
+    }
+