--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccinterface/src/mmcccodecg729.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,397 @@
+/*
+* 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:    MCC G.729 CodecInformation
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#include "mmcccodecg729.h"
+#include "mmccinterfacelogs.h"
+#include "mccuids.hrh"
+
+
+// CONSTANTS
+const TInt KG729DefaultHwFrameTime( 10 );
+
+
+// LOCAL CONSTANTS AND MACROS
+const TUint8 KG729KAPayloadSize = 10;
+const TUint8 KG729KeepAlivePayload[KG729KAPayloadSize] = 
+    { 
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    };
+    
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::CMCCCodecG729
+// default constructor
+// -----------------------------------------------------------------------------
+//
+CMCCCodecG729::CMCCCodecG729() : CMccCodecInformation()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CMCCCodecG729::ConstructL()
+    {
+    __INTERFACE( "CMCCCodecG729::ConstructL" )
+    
+    SetSdpName( KG729SdpName );
+    iKeepAliveData.Copy( KG729KeepAlivePayload );   
+    // setting some default values 
+    SetSamplingFreq( KG729SampleRate );
+    SetBitrate( KG729Bitrate );
+    EnableVAD( EFalse );
+    iHwFrameTime = KG729DefaultHwFrameTime; // default 20ms    
+    SetMaxPTime( KMaxPtime );
+    SetPTime( KDefaultPtime );
+    SetPayloadType( KG729PayloadType );
+    iCodecMode = ENothing;
+      
+    iFourCC = KMccFourCCIdG729;
+
+    iPayloadFormatEncoder = KImplUidG729PayloadFormatEncode;
+    iPayloadFormatDecoder = KImplUidG729PayloadFormatDecode;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::NewL
+// Static constructor.
+// -----------------------------------------------------------------------------
+//
+CMCCCodecG729* CMCCCodecG729::NewL()
+    {
+    CMCCCodecG729* self = new (ELeave) CMCCCodecG729;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self ); 
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::~CMCCCodecG729
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CMCCCodecG729::~CMCCCodecG729()
+    {
+    __INTERFACE( "CMCCCodecG729::~CMCCCodecG729" )
+    }
+    
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::EnableVAD
+// Enable / Disable VAD
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG729::EnableVAD( TBool aEnableVAD )
+    {
+    iEnableVAD = aEnableVAD;
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::SetBitrate
+// Set Bitrate
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG729::SetBitrate( TUint aBitrate )
+    {
+    if( KG729Bitrate != aBitrate )
+        {
+        return KErrNotSupported;
+        }
+    else
+        {
+        iBitrate = aBitrate;
+        return KErrNone;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::SetSamplingFreq
+// Set Sampling Frequency 
+// -----------------------------------------------------------------------------
+//    
+TInt CMCCCodecG729::SetSamplingFreq( TUint32 aSamplingFreq )
+    {
+    if ( KG729SampleRate == aSamplingFreq )
+        {
+        iSamplingFreq = aSamplingFreq;
+        return KErrNone;
+        }
+    else
+        {
+        return KErrNotSupported;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::SetSdpName
+// Set SDP Name
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG729::SetSdpName( const TDesC8& aSdpName )
+    {
+    if ( !aSdpName.CompareF( KG729SdpName ) )
+        {
+        iSdpName.Copy( aSdpName );
+        }
+    else 
+        {
+        return KErrNotSupported;        
+        }
+       
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::SetPayloadType
+// Set PayloadType 
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG729::SetPayloadType( TUint8 aPayloadType )
+    {
+    if ( KG729PayloadType != aPayloadType ) 
+        {
+        return KErrNotSupported;
+        }
+    else 
+        {
+        iPayloadType = aPayloadType;
+        return KErrNone;
+        }
+    }
+ 
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::SetPTime
+// Set PacketTime
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG729::SetPTime( TUint aPTime )
+    {
+    __INTERFACE_INT2( "CMCCCodecG729::SetPTime [aPTime, iPTime]",
+        aPTime, iPTime )
+    
+    if ( aPTime && ( KMinPtime <= aPTime ) && 
+         ( aPTime <= KMaxPtime ) && 
+         ( aPTime <= iMaxPTime ) && 
+         !( aPTime % KMinPtime ) )
+        {
+        iPTime = aPTime;
+        return KErrNone;
+        }
+    else
+        {
+        return KErrArgument;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::SetMaxPTime
+// Set Maximum PacketTime
+// -----------------------------------------------------------------------------
+//
+TInt CMCCCodecG729::SetMaxPTime( TUint aMaxPTime )
+    {
+    __INTERFACE_INT2( "CMCCCodecG729::SetMaxPTime [aMaxPTime, iMaxPTime]",
+        aMaxPTime, iMaxPTime )
+    
+    if ( aMaxPTime && ( iPTime <= aMaxPTime ) && 
+         ( KMinPtime <= aMaxPTime ) && 
+         ( aMaxPTime <= KMaxPtime ) && 
+         !( aMaxPTime % KMinPtime ) )
+        {
+        iMaxPTime = aMaxPTime;
+        return KErrNone;
+        }
+    else
+        {
+        return KErrArgument;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::SetCodecMode
+// Set Codec Mode
+// -----------------------------------------------------------------------------
+//   
+TInt CMCCCodecG729::SetCodecMode( TCodecMode aCodecMode )
+    {
+    if ( ENothing == aCodecMode )
+        {
+        iCodecMode = aCodecMode;
+        return KErrNone;
+        }
+    else
+        {
+        return KErrNotSupported;
+        }
+    }
+    
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::CloneDefaultsL
+// Make a default setting clone from this G.729 codec
+// -----------------------------------------------------------------------------
+//
+CMccCodecInformation* CMCCCodecG729::CloneDefaultsL()
+    {
+    return CMCCCodecG729::NewL();
+    };
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::CloneDetailedL
+// Make a detailed clone from this G.729 codec
+// -----------------------------------------------------------------------------
+//
+CMccCodecInformation* CMCCCodecG729::CloneDetailedL()
+    {
+    CMCCCodecG729* newCodec = CMCCCodecG729::NewL();
+    CleanupStack::PushL( newCodec );        
+    newCodec->SetBitrate( this->Bitrate() );
+    newCodec->SetCodecMode( this->CodecMode() );
+    newCodec->SetMaxPTime( this->MaxPTime() );
+    newCodec->SetPayloadType( this->PayloadType() );
+    newCodec->SetPTime( this->PTime() );
+    newCodec->SetSamplingFreq( this->SamplingFreq() );
+    newCodec->SetSdpName( this->SdpName() );
+    newCodec->ParseFmtpAttrL( this->GetFmtpL() );
+    CleanupStack::Pop( newCodec );        
+    return newCodec;
+    };
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::RequireSignalling
+// -----------------------------------------------------------------------------
+//
+TBool CMCCCodecG729::RequireSignalling(
+    const CMccCodecInformation& aCandidate ) const      
+    {
+    __INTERFACE( "CMCCCodecG729::RequireSignalling" )
+    TBool ret = EFalse;
+              
+    if ( iPTime != aCandidate.PTime() )
+        {
+        __INTERFACE( "CMCCCodecG729::RequireSignalling, PTime changed" )
+        ret = ETrue;
+        }
+        
+    if ( iMaxPTime != aCandidate.MaxPTime() )
+        {
+        __INTERFACE( "CMCCCodecG729::RequireSignalling, MaxPTime changed" )
+        ret = ETrue;
+        }
+        
+    if ( iPayloadType != aCandidate.PayloadType() )
+        {
+        __INTERFACE( "CMCCCodecG729::RequireSignalling, PayloadType changed" )
+        ret = ETrue;
+        }
+        
+    __INTERFACE_INT1( "CMCCCodecG729::RequireSignalling, exit with", ret )
+    return ret;          
+    }
+    
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::CreateFmtpAttrListL
+// Builds fmtp line according to current parameters.
+// -----------------------------------------------------------------------------
+//
+void CMCCCodecG729::CreateFmtpAttrListL()
+    {
+    HBufC8* buf = HBufC8::NewLC( KMaxFmtpLen ); 
+    TPtr8 bufPtr = buf->Des();
+    
+    if ( iEnableVAD )
+        {
+        bufPtr.Append( KAnnexYes );
+        }
+    else
+        {
+        bufPtr.Append( KAnnexNo );
+        }
+     
+    // Update iFmtpAttr
+    SetFmtpAttrL( bufPtr, EFalse );
+    
+    CleanupStack::PopAndDestroy( buf );
+    }
+   
+// -----------------------------------------------------------------------------
+// CMccCodecInformation::ParseFmtpAttrL
+// Parse the fmtp string, but doesn't update the iFmtpAttr
+// -----------------------------------------------------------------------------
+//
+TBool CMCCCodecG729::ParseFmtpAttrL( const TDesC8& aFmtp )
+    {
+    TBool updated( EFalse );
+    
+    if ( !aFmtp.CompareF( KAnnexYes ) )
+        {
+        iEnableVAD = ETrue;
+        updated = ETrue;
+        }
+    else if ( !aFmtp.CompareF( KAnnexNo ) || !aFmtp.Length() )
+        {
+        iEnableVAD = EFalse;
+        updated = ETrue;
+        }
+    else
+        {
+        User::Leave( KErrArgument );
+        }
+        
+    return updated;
+    }
+
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::GetFmtpL
+// Gets the fmtp attribute
+// -----------------------------------------------------------------------------
+//
+TDesC8& CMCCCodecG729::GetFmtpL()
+    {
+    __INTERFACE( "CMCCCodecG729::GetFmtpL" )      
+    if ( iFmtpAttr )
+        {
+        delete iFmtpAttr;
+        iFmtpAttr = NULL;
+        }
+    
+    CreateFmtpAttrListL();    
+    
+    __INTERFACE( "CMccCodecG729::GetFmtpL, exit" )      
+    return *iFmtpAttr;    
+    }
+    
+// -----------------------------------------------------------------------------
+// CMCCCodecG729::SetAllowedBitrates
+// -----------------------------------------------------------------------------
+// 
+
+TInt CMCCCodecG729::SetAllowedBitrates( TUint /*aBitrateMask*/ )
+    {
+    return KErrNone;           
+    }
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+//  End of File