multimediacommsengine/mmceshared/src/mcecomh263codec.cpp
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmceshared/src/mcecomh263codec.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,246 @@
+/*
+* 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 "mcecomh263codec.h"
+
+
+const TReal KMceH263DefaultLoweredFrameRate = 12;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::NewL
+// -----------------------------------------------------------------------------
+//
+CMceComH263Codec* CMceComH263Codec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName )
+    {
+    CMceComH263Codec* self = NewLC( aSdpName );
+    CleanupStack::Pop( self );
+    return self;
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::NewLC
+// -----------------------------------------------------------------------------
+//
+CMceComH263Codec* CMceComH263Codec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName )
+    {
+    CMceComH263Codec* self = new (ELeave) CMceComH263Codec();
+    CleanupStack::PushL( self );
+    self->ConstructL( aSdpName );
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::~CMceComH263Codec
+// -----------------------------------------------------------------------------
+//
+CMceComH263Codec::~CMceComH263Codec()
+    {
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::CMceComH263Codec
+// -----------------------------------------------------------------------------
+//
+CMceComH263Codec::CMceComH263Codec()
+    :CMceComVideoCodec()
+    {
+    iClockRate = KMceH263ClockRate;
+    iFrameRate = KMceH263DefaultLoweredFrameRate;
+    iResolutionWidth = KMceH263FrameWidth;
+    iResolutionHeight = KMceH263FrameHeight;
+    iBitrate = KMceH263DefaultBitrate;
+	iMaxBitRate = KMceH263DefaultMaxBitrate;
+	iAllowedBitrates = KMceH263DefaultAllowedBitrate;
+    iFrameSize = KMceH263DefaultFrameSize;
+    // Defaults should be defined in MCE API
+    const TUint8 KMceDefaultH263PayloadType = 97;
+	iPayloadType = KMceDefaultH263PayloadType;
+    
+    iReceiveFrameRate = KMceH263FrameRate;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::ConstructL
+// -----------------------------------------------------------------------------
+//
+CMceComVideoCodec* CMceComH263Codec::CloneL()
+    {
+    CMceComH263Codec* copy = new (ELeave) CMceComH263Codec();
+    CleanupStack::PushL( copy );
+    copy->ConstructL( *this );
+    CleanupStack::Pop( copy );
+    return copy;
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceComH263Codec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName )
+    {
+    CMceComVideoCodec::ConstructL( aSdpName );
+    
+    // NOTE: 1998 mode codec is disabled by default in order to prevent
+    // default offer to contain both 2000 and 1998 mode versions
+    if ( iSdpName.CompareF( KMceSDPNameH2631998 ) == 0 )
+        {
+        iState = CMceCodec::EDisabled; 
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceComH263Codec::ConstructL( CMceComH263Codec& aCodec )
+    {
+    CMceComVideoCodec::ConstructL( aCodec );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::SetBitrate
+// -----------------------------------------------------------------------------
+//
+TInt CMceComH263Codec::SetBitrate( TUint aBitrate )
+    {
+	return CMceComCodec::SetBitrate( aBitrate );
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::SetAllowedBitrates
+// -----------------------------------------------------------------------------
+//
+TInt CMceComH263Codec::SetAllowedBitrates( TUint aBitrates )
+    {
+    TInt error = KErrNone;
+    
+    //Confirm that the bitrate mask is valid
+    //I.e. after all the valid bitrates are set to zero the value should be zero
+    if ( !aBitrates || 
+        ( aBitrates >> 8 ) > 0 ) 
+        {
+        error = KErrArgument;
+        }
+    else
+        {
+        CMceComCodec::SetAllowedBitrates( KMceAllowedH263BitrateAll );
+        iAllowedBitrates &= aBitrates;
+        CMceComVideoCodec::SetMaxBitrate( GetMaxBitRate() );
+        if ( iBitrate > iMaxBitRate )
+            {
+            error = CMceComCodec::SetBitrate( iMaxBitRate );
+            }
+        }
+    
+    return error;
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::GetMaxBitRate
+// -----------------------------------------------------------------------------
+//
+TUint CMceComH263Codec::GetMaxBitRate()
+    {
+    if( iAllowedBitrates & KMceAllowedH263Bitrate45 )
+        {
+        return KMceH263Level45Bitrate;
+        }
+    else if( iAllowedBitrates & KMceAllowedH263Bitrate10 )
+        {
+        return KMceH263Level10Bitrate;
+        }
+    else
+        {
+        return 0;    
+        }
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::SetMaxBitrate
+// -----------------------------------------------------------------------------
+//
+TInt CMceComH263Codec::SetMaxBitrate( TUint aMaxBitrate )
+    {
+    TInt status = KErrNone;
+	switch( aMaxBitrate )
+	    {
+	    case KMceH263Level10Bitrate:
+	        {
+	        status = SetAllowedBitrates( KMceAllowedH263Bitrate10 );
+	        break;
+	        }
+	    case KMceH263Level45Bitrate:
+	        {
+	        status = SetAllowedBitrates( KMceAllowedH263Bitrate45 );
+	        break;
+	        }
+        default:
+            {
+            status = KErrNotSupported;
+            break;
+            }
+	    }
+
+    return status;
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComH263Codec::ResolveAllowedBitrates
+// -----------------------------------------------------------------------------
+//
+TInt CMceComH263Codec::ResolveAllowedBitrates( 
+    TUint aBitrate, TUint& aAllowedBitrates )
+    {
+    TInt retVal( KErrNone );
+    
+    if ( aBitrate <= KMceH263Level10Bitrate )
+        {
+        aAllowedBitrates = KMceAllowedH263Bitrate10;
+        }
+    else if ( aBitrate <= KMceH263Level45Bitrate )
+        {
+        aAllowedBitrates = KMceAllowedH263BitrateAll;
+        }
+    else 
+        {
+        retVal = KErrNotSupported;
+        }
+        
+    return retVal;
+    }
+        
+// End of File
+
+