--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccamrpayloadformat/src/AmrPayloadEncoderOA.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,180 @@
+/*
+* 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:    PayloadFormat plugin capable to read RTP payload containing
+*                Amr audio.
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#include "amrpayloadencoderoa.h"
+#include "amrpayloadheaderoa.h"
+#include "amrtocentryoa.h"
+
+
+// ============================ MEMBER FUNCTIONS =============================
+  
+// ---------------------------------------------------------------------------
+// CAmrPayloadEncoderOA::CAmrPayloadEncoderOA
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// ---------------------------------------------------------------------------
+//
+CAmrPayloadEncoderOA::CAmrPayloadEncoderOA( TBool aIsNb )
+    : CAmrPayloadEncoder( aIsNb )
+    {
+    DP_AMR_ENCODE( "CAmrPayloadEncoderOA::CAmrPayloadEncoderOA" );
+        
+    CAmrPayloadEncoderOA::InitializeFrameEncoder( );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadEncoderOA::ConstructL
+// Symbian 2nd phase constructor can leave.
+// ---------------------------------------------------------------------------
+//
+void CAmrPayloadEncoderOA::ConstructL()
+    {
+    DP_AMR_ENCODE( "CAmrPayloadEncoderOA::ConstructL" );
+
+    // Allocate memory for iHeaderEncoder and iTocEntryEncoder and set them
+    // to NULL to avoid codescanner errors
+    delete iHeaderEncoder;
+    iHeaderEncoder = NULL;
+    delete iTocEntryEncoder;
+    iTocEntryEncoder = NULL;
+    
+    iHeaderEncoder = CAmrPayloadHeaderOA::NewL();
+    iTocEntryEncoder = CAmrTocEntryOA::NewL();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadEncoder::NewL
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CAmrPayloadEncoderOA* CAmrPayloadEncoderOA::NewL( TBool aIsNb )
+    {
+    DP_AMR_ENCODE( "CAmrPayloadEncoderOA::NewL" );
+        
+    CAmrPayloadEncoderOA* self = new( ELeave ) CAmrPayloadEncoderOA( aIsNb );
+    
+    CleanupStack::PushL( self );
+    self->ConstructL( );
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadEncoderOA::~CAmrPayloadEncoderOA
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CAmrPayloadEncoderOA::~CAmrPayloadEncoderOA()
+    {
+    DP_AMR_ENCODE( "CAmrPayloadEncoderOA::~CAmrPayloadEncoderOA" );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadEncoderOA::EncodeFrame
+// Encode a received Amr frame into the payload buffer.
+// ---------------------------------------------------------------------------
+//
+TBool CAmrPayloadEncoderOA::EncodeFrame( TInt aChannel,
+                                         TAmrFrameType aFrameType,
+                                         TUint8 aFrameQualityInd,
+                                         const TDes8& aFrameData )
+    {
+    DP_AMR_ENCODE( "CAmrPayloadEncoderOA::EncodeFrame" );
+        
+    TBool ret = CAmrPayloadEncoder::EncodeFrame( aChannel, aFrameType, 
+                                                 aFrameQualityInd, aFrameData );
+    if ( EFalse == ret )
+        {
+        // Encoding a frame data only. Payload Header and TOCs haven't been filled
+        // Padding frame data to Byte boundary.
+        if ( iFrameEncoder.BitIndex( ) != 0 )
+            {
+            iFrameEncoder.Encode( 0, ( KBitsIn1Byte - iFrameEncoder.BitIndex( ) ) );
+            }
+        }
+    else
+        {
+        InitializeFrameEncoder();
+        }
+
+    return ret;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadEncoderOA::SetChannelCount
+// Set number of audio channels.
+// ---------------------------------------------------------------------------
+//
+TInt CAmrPayloadEncoderOA::SetChannelCount( TInt aChannelCount )
+    {
+    DP_AMR_ENCODE( "CAmrPayloadEncoderOA::SetChannelCount" );
+        
+    TInt ret = CAmrPayloadFormatter::SetChannelCount( aChannelCount );
+    InitializeFrameEncoder( );
+    return ret;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadEncoderOA::SetFrameBlockCount
+// Set number of Amr frame blocks included in one RTP packet.
+// ---------------------------------------------------------------------------
+//
+TInt CAmrPayloadEncoderOA::SetFrameBlockCount( TInt aFrameblockCount )
+    {
+    DP_AMR_ENCODE( "CAmrPayloadEncoderOA::SetFrameBlockCount" );
+        
+    TInt ret = CAmrPayloadFormatter::SetFrameBlockCount( aFrameblockCount );
+    InitializeFrameEncoder();
+    return ret;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CAmrPayloadEncoderOA::InitializeFrameEncoder
+// Initialize frame encoder ( Stream Encoder ). Starting position of first 
+// AMR frame data is calculated. Refer to RFC3267 4.4.
+// ---------------------------------------------------------------------------
+//
+void CAmrPayloadEncoderOA::InitializeFrameEncoder()
+    {
+    DP_AMR_ENCODE( "CAmrPayloadEncoderOA::InitializeFrameEncoder" );    
+
+    // Total number of TOCs: iFrameCount = iChannelCount * iFrameBlockCount
+    // In OA mode, Bit Index always equals to Zero.
+    TInt numOfRedFrames( 0 );
+    if ( iRedIntervalCollected )
+        {
+        numOfRedFrames = iFrameDatas.Count();
+        }
+
+    TInt frameByteIndex = ( KHeaderBitsOA 
+        + KTOCFieldBitsOA * ( iFrameCount + numOfRedFrames ) ) / KBitsIn1Byte;
+
+    iFrameEncoder.Initialize( iPayload, frameByteIndex, 0 );
+    }