diff -r 000000000000 -r 1bce908db942 multimediacommsengine/mmceshared/src/mcecomvideostream.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmceshared/src/mcecomvideostream.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,605 @@
+/*
+* Copyright (c) 2005 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 "mcevideostream.h"
+#include "mcecomvideostream.h"
+#include "mcecomvideocodec.h"
+#include "mcecommediasource.h"
+#include "mcecommediasink.h"
+#include "mceserial.h"
+#include "mceevents.h"
+#include "cleanupresetanddestroy.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::NewL
+// -----------------------------------------------------------------------------
+//
+CMceComVideoStream* CMceComVideoStream::NewL()
+    {
+    CMceComVideoStream* self = NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::NewLC
+// -----------------------------------------------------------------------------
+//
+CMceComVideoStream* CMceComVideoStream::NewLC()
+    {
+    CMceComVideoStream* self = new (ELeave) CMceComVideoStream();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::~CMceComVideoStream
+// -----------------------------------------------------------------------------
+//
+CMceComVideoStream::~CMceComVideoStream()
+    {
+    iCodecs.ResetAndDestroy();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::CMceComVideoStream
+// -----------------------------------------------------------------------------
+//
+CMceComVideoStream::CMceComVideoStream()
+    :CMceComMediaStream( KMceVideo )
+    {
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::AddCodecL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::AddCodecL( CMceComCodec* aCodec )
+    {
+    __ASSERT_ALWAYS( aCodec, User::Leave( KErrArgument ) );
+    
+    CMceComVideoCodec* codec = static_cast< CMceComVideoCodec* >( aCodec );
+    iCodecs.AppendL( codec );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::RemoveCodecL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::RemoveCodecL( CMceComCodec* aCodec )
+    {
+    TInt index = FindCodecFromList( aCodec );
+    
+    if ( index >= 0 )
+    	{
+    	RemoveCodecFromListL( index );
+    	}
+    
+    delete aCodec;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::CodecL
+// -----------------------------------------------------------------------------
+//
+CMceComVideoCodec* CMceComVideoStream::CodecL( TInt aIndex ) const
+	{
+	__ASSERT_ALWAYS( aIndex >= 0 && aIndex < iCodecs.Count(),
+		User::Leave( KErrArgument ) );
+
+	return iCodecs[aIndex];
+	}
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::CodecCount
+// -----------------------------------------------------------------------------
+//
+TInt CMceComVideoStream::CodecCount() const
+	{
+	return iCodecs.Count();
+	}
+	
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::Codecs
+// -----------------------------------------------------------------------------
+//
+const RPointerArray<CMceComVideoCodec>& CMceComVideoStream::Codecs() const
+    {
+    return iCodecs;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::FindCodecL
+// -----------------------------------------------------------------------------
+//
+CMceComCodec* CMceComVideoStream::FindCodecL( CMceComCodec& aCodec )
+    {
+    CMceComCodec* foundCodec = NULL;
+    CMceComVideoCodec* codec = static_cast< CMceComVideoCodec* >( &aCodec );
+    
+    TInt index = FindCodecFromList( codec );
+    
+    if ( index == KErrNotFound )
+        {
+        const TInt codecCount = CodecCount();
+        
+        for ( TInt i = 0; i < codecCount && !foundCodec; ++i )
+            {
+            // Video codec may be identified also based on fmtp
+            if ( CodecL( i )->Decodes( aCodec.iSdpName, aCodec.FmtpAttr() ) )
+                {
+                foundCodec = CodecL( i );
+                }     
+            }
+        }
+    else
+        {
+        foundCodec = CodecL( index );
+        }
+        
+    return foundCodec;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::FindCodecFromList
+// -----------------------------------------------------------------------------
+//
+TInt CMceComVideoStream::FindCodecFromList( CMceComCodec* aCodec ) const
+	{
+	CMceComVideoCodec* codec = static_cast< CMceComVideoCodec* >( aCodec );
+	return iCodecs.Find( codec );
+	}
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::RemoveCodecFromListL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::RemoveCodecFromListL( TInt aIndex )
+	{
+	__ASSERT_ALWAYS( aIndex >= 0 && aIndex < iCodecs.Count(),
+		User::Leave( KErrArgument ) );
+
+	iCodecs.Remove( aIndex );
+	}
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::DestroyCodecs
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::DestroyCodecs()
+	{
+	iCodecs.ResetAndDestroy();
+	}
+	
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::InternalizeFlatL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::InternalizeFlatL( RReadStream& aReadStream )
+    {
+    CMceComMediaStream::InternalizeFlatL( aReadStream );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::ExternalizeFlatL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::ExternalizeFlatL( RWriteStream& aWriteStream )
+    {
+    CMceComMediaStream::ExternalizeFlatL( aWriteStream );
+    }
+
+  
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::InternalizeL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::InternalizeL( MMceComSerializationContext& aSerCtx )
+    {
+    CMceComMediaStream::InternalizeL( aSerCtx );
+    
+    TMceVideoStreamSerializer<CMceComVideoStream> serial( *this );
+    serial.InternalizeL( aSerCtx );
+        
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::ExternalizeL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::ExternalizeL( MMceComSerializationContext& aSerCtx )
+    {
+    
+    CMceComMediaStream::ExternalizeL( aSerCtx );
+    
+    TMceVideoStreamSerializer<CMceComVideoStream> serial( *this );
+    serial.ExternalizeL( aSerCtx );
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::CloneL
+// -----------------------------------------------------------------------------
+//
+CMceComMediaStream* CMceComVideoStream::CloneL()
+    {
+    CMceComVideoStream* copy = new (ELeave) CMceComVideoStream();
+    CleanupStack::PushL( copy );
+    copy->ConstructL( *this );
+    CleanupStack::Pop( copy );
+    return copy;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::ConstructL()
+    {
+    
+    CMceComMediaStream::ConstructL();
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::ConstructL( CMceComVideoStream& aStream )
+    {
+    CMceComMediaStream::ConstructL( aStream );
+    
+    const TInt codecCount = aStream.CodecCount();
+    
+    for ( TInt i = 0; i < codecCount ; ++i )
+        {
+        CMceComVideoCodec* codec = aStream.CodecL( i )->CloneL();
+        CleanupStack::PushL( codec );
+        AddCodecL( codec );
+        CleanupStack::Pop( codec );
+        }
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::InitializeL( CMceComSession& aParent )
+    {
+    CMceComMediaStream::InitializeL( aParent );
+
+	const TInt codecCount = CodecCount();
+	
+    for ( TInt i = 0; i < codecCount ; ++i )
+        {
+        CodecL( i )->InitializeL( *this );
+        }
+    }
+
+
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::UpdateL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::UpdateL( CMceComMediaStream& aStream )
+    {
+    CMceComMediaStream::UpdateL( aStream );
+
+    CMceComVideoStream* stream = static_cast< CMceComVideoStream* >( &aStream );
+
+    RPointerArray<CMceComVideoCodec> updated;
+    
+    MceCleanupResetAndDestroyPushL( updated );
+    
+    for( TInt i = 0; i < stream->CodecCount() ; ++i )
+        {
+        CMceComVideoCodec* update = stream->CodecL( i );
+        TBool isUpdated = EFalse;
+        TInt j = 0;
+        
+        while( !isUpdated && j < CodecCount() )
+            {
+            CMceComVideoCodec* codec = CodecL( j );
+            
+            if ( codec->Id() == update->Id() )
+                {
+                codec->UpdateL( *update );
+                stream->RemoveCodecFromListL( i );
+                delete update;
+                updated.AppendL( codec );
+                RemoveCodecFromListL( j );
+                i--;
+                isUpdated = ETrue;
+                }
+            j++;                
+            }
+        }
+        
+    if ( CodecCount() > 0 )	// Codecs have been removed
+        {
+        Session()->IsStructureChanged() = ETrue;
+        }
+    
+    DestroyCodecs();
+    
+    while( updated.Count() > 0 )
+        {
+        AddCodecL( updated[0] );
+        updated.Remove( 0 );
+        }
+        
+    CleanupStack::PopAndDestroy();	// updated
+            
+    if ( stream->CodecCount() > 0 )	// Streams have been added
+        {
+        Session()->IsStructureChanged() = ETrue;
+        
+        while( stream->CodecCount() > 0 )
+            {
+            CMceComVideoCodec* add = stream->CodecL( 0 );
+            AddCodecL( add );
+            stream->RemoveCodecFromListL( 0 );
+            }
+        }
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::ReorderCodecs
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::ReorderCodecs()
+    {
+    TLinearOrder<CMceComVideoCodec> order( CMceComVideoCodec::CompareSdpIndex );
+    
+    iCodecs.Sort( order );
+    }
+
+
+#ifdef MCE_COMMON_SERVER_SIDE
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::SynchronizeL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::SynchronizeL( TBool aRoleAnswerer )
+    {
+    TInt codecIndex( 0 );
+    
+    while ( codecIndex < CodecCount() )
+        {
+        CMceComCodec& codec = *CodecL( codecIndex );
+        
+        TBool remove( !codec.iIsNegotiated && aRoleAnswerer );
+        
+        if ( BoundStream() )
+            {
+            CMceComCodec* sync = BoundStreamL().FindCodecL( codec );
+            
+            if ( remove )
+                {
+                BoundStreamL().RemoveCodecL( sync );
+                }
+            else if ( sync )
+                {
+                sync->SynchronizeL( codec, aRoleAnswerer );
+                }
+            else if ( aRoleAnswerer )
+                {
+                MCE_DEFINE_VIDEO_CODEC( videoCodec, codec );
+                CMceComVideoCodec* copy = videoCodec.CloneL();
+                CleanupStack::PushL( copy );
+                copy->InitializeL( BoundStreamL() );
+                MCE_VIDEO( BoundStreamL() ).AddCodecL( copy );
+                CleanupStack::Pop( copy );
+                copy->SynchronizeL( codec, aRoleAnswerer );
+                }
+            else
+                {
+                //NOP
+                }
+            }
+            
+        if ( remove )
+            {
+            RemoveCodecL( &codec );
+            }
+        else
+            {
+            codecIndex++;
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComAudioStream::UpdateDefaultCodecL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::UpdateDefaultCodecL()
+    {
+    CMceComCodec* highestPrioritySendCodec = NULL;
+    CMceComCodec* codec = NULL;
+    
+    const RPointerArray< CMceComCodec >& allCodecs =
+    	reinterpret_cast< const RPointerArray< CMceComCodec >& >( Codecs() );
+    
+    CMceComCodec::TIterator codecs( allCodecs, 
+                                    CMceComCodec::TIterator::EFilterIsNegotiated );
+    
+    MCE_ITERATOR_FIND_NEXT( codecs, highestPrioritySendCodec, 
+                            highestPrioritySendCodec->SendSupported() );
+    
+    // If no negotiated send codecs, disable all.
+    // If send codec changed, enable new one and disable other send codecs.                                     
+    if ( !highestPrioritySendCodec ||
+       ( highestPrioritySendCodec &&
+         !highestPrioritySendCodec->iIsEnabled ) )
+        {
+        CMceComCodec* newDefaultCodec = NULL;
+        codecs.Reset();
+        codecs.SetFilter( CMceComCodec::TIterator::EFilterNone );
+        while( codecs.Next( codec ) )
+            {
+            if ( !newDefaultCodec && codec->iIsNegotiated && codec->SendSupported() )
+                {
+                codec->SetEnabled( ETrue );
+                newDefaultCodec = codec;
+                }
+            else
+                {
+                codec->SetEnabled( EFalse );
+                }
+            }
+        
+        // Enable also new codecs of associated local streams
+        UpdateDefaultCodecForAssociatedLocalL( newDefaultCodec );    
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::UpdateDefaultCodecForAssociatedLocalL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::UpdateDefaultCodecForAssociatedLocalL( 
+    CMceComCodec* aNewDefaultCodec )
+    {
+    CMceComCodec* codec = NULL;
+    if ( aNewDefaultCodec && Session() )
+        {
+        for ( TInt i = 0; i < Session()->Streams().Count(); i++ )
+            {
+            if ( Session()->Streams()[ i ]->iType == KMceVideo )
+                {
+                CMceComVideoStream* videoStream = static_cast<CMceComVideoStream*>( 
+                    Session()->Streams()[ i ] );
+                const RPointerArray< CMceComCodec >& allCodecs =
+    	            reinterpret_cast< const RPointerArray< CMceComCodec >& >( 
+    	                videoStream->Codecs() );
+    	
+    	        // Enabling
+                CMceComCodec::TIterator codecs( allCodecs, 
+                    CMceComCodec::TIterator::EFilterAssociatedLocal, aNewDefaultCodec );
+                while( codecs.Next( codec ) )
+                    {
+                    codec->SetEnabled( ETrue );
+                    }
+                
+                // Disabling    
+                codecs.Reset();
+                while( codecs.Next( codec, CMceComCodec::TIterator::EOtherSdpName ) )
+                    {
+                    codec->SetEnabled( EFalse );
+                    }
+                }
+            }
+        }
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::PrepareL
+// -----------------------------------------------------------------------------
+//
+void CMceComVideoStream::PrepareL()
+    {
+    __ASSERT_ALWAYS ( CodecCount() > 0, User::Leave( KErrArgument ) );
+
+    if ( BoundStream() )
+    	{
+    	MCE_DEFINE_VIDEO( boundStream, BoundStreamL() );
+        __ASSERT_ALWAYS ( boundStream.CodecCount() > 0, User::Leave( KErrArgument ) );
+    	}
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::MccStreamType
+// -----------------------------------------------------------------------------
+//
+TInt CMceComVideoStream::MccStreamType() const
+    {
+    
+    TInt type = KMccVideoLocalStream;
+    
+    if ( iStreamType == EReceiveStream || 
+         iStreamType == EReceiveOnlyStream )
+        {
+        type = KMccVideoDownlinkStream;
+        }
+    else if ( iStreamType == ESendStream || 
+              iStreamType == ESendOnlyStream )
+        {
+        type = KMccVideoUplinkStream;
+        }
+    else
+        {
+        type = KMccVideoLocalStream;
+        }
+        
+    return type;
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceComVideoStream::MccStreamType
+// -----------------------------------------------------------------------------
+//
+TInt CMceComVideoStream::MccLinkType() const
+    {
+    TInt type = KMccLinkGeneralVideo;
+    
+    if ( iStreamType == ELocalStream )
+        {
+        type = KMccLinkLocal;
+        }
+    
+    if (iSession->iClientCryptoSuites.Count()>0)
+    	{
+    	type =KMccLinkSecureVideo;
+    	}    
+        
+    return type;        
+    }
+    
+#endif//MCE_COMMON_SERVER_SIDE