multimediacommsengine/mmcecli/src/mcemediasink.cpp
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcecli/src/mcemediasink.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,481 @@
+/*
+* 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 "mcestreamobserver.h"
+#include "mcesession.h"
+#include "mcemanager.h"
+#include "mcemediasink.h"
+#include "mcecommediasink.h"
+#include "mceitcsender.h"
+#include "mcefactory.h"
+#include "mceevents.h"
+#include "mceendpointproxy.h"
+#include "mceclilogs.h"
+
+#define _FLAT_DATA static_cast<CMceComMediaSink*>( iFlatData )
+#define FLAT_DATA( data ) _FLAT_DATA->data
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::~CMceMediaSink
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMceMediaSink::~CMceMediaSink()
+    {
+    delete iFlatData;
+    iParents.Reset();
+    iParents.Close();
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceMediaSink::Type
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TMceSinkType CMceMediaSink::Type() const
+    {
+    return FLAT_DATA( Type() );
+    }
+    
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::IsEnabled
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TBool CMceMediaSink::IsEnabled() const
+    {
+    return FLAT_DATA( IsEnabled() );
+    }
+
+    
+// -----------------------------------------------------------------------------
+// CMceMediaSink::Id
+// -----------------------------------------------------------------------------
+//
+TMceMediaId CMceMediaSink::Id() const
+    {
+    return FLAT_DATA( iID ); 
+    }
+
+    
+// -----------------------------------------------------------------------------
+// CMceMediaSink::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::ConstructL( CMceComMediaSink* aFlatData ) 
+    {
+    __ASSERT_ALWAYS( aFlatData , User::Leave( KErrArgument ) );
+    iFlatData = aFlatData;
+    FLAT_DATA( iID ) = TMceMediaId();//as not assigned
+    
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::CMceMediaSink
+// -----------------------------------------------------------------------------
+//
+CMceMediaSink::CMceMediaSink()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::CreateEndpointProxyL
+// -----------------------------------------------------------------------------
+//
+MMceEndPointProxy* CMceMediaSink::EndpointProxy() const
+    {
+    return iEndpointProxy;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::CreateEndpointProxyL
+// -----------------------------------------------------------------------------
+//
+MMceEndPointProxy* CMceMediaSink::CreateEndpointProxyL() const
+    {
+    return NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::UsesEndpointProxy
+// -----------------------------------------------------------------------------
+//
+TBool CMceMediaSink::UsesEndpointProxy() const
+    {
+    return EFalse;
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceMediaSink::SetupEndpointProxyL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::SetupEndpointProxyL( MMceEndPointProxy* aEndpointProxy )
+    {
+    if ( !UsesEndpointProxy() )
+        {
+        return;
+        }
+        
+    if ( !aEndpointProxy && !iEndpointProxy )
+        {
+        iEndpointProxy = CreateEndpointProxyL();
+        iEndpointProxy->AddProxyClientL( *this );
+        }
+    else if ( aEndpointProxy && !iEndpointProxy )
+        {
+        aEndpointProxy->AddProxyClientL( *this );
+        iEndpointProxy = aEndpointProxy;
+        }
+    else
+        {
+        iEndpointProxy->AddProxyClientL( *this );
+        }
+        
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::SerializationId
+// -----------------------------------------------------------------------------
+//
+TUint64 CMceMediaSink::SerializationId() const
+    {
+    return FLAT_DATA( SerializationId() );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::InternalizeFlatL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::InternalizeFlatL( RReadStream& aReadStream )
+    {
+    __ASSERT_ALWAYS( iFlatData , User::Leave( KErrNotReady ) );
+    _FLAT_DATA->InternalizeFlatL( aReadStream );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::ExternalizeFlatL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::ExternalizeFlatL( RWriteStream& aWriteStream )
+    {
+    __ASSERT_ALWAYS( iFlatData , User::Leave( KErrNotReady ) );
+    _FLAT_DATA->ExternalizeFlatL( aWriteStream );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::InternalizeL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::InternalizeL( MMceComSerializationContext& aSerCtx )
+    {
+    InternalizeFlatL( aSerCtx.ReadStream() );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::ExternalizeL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::ExternalizeL( MMceComSerializationContext& aSerCtx )
+    {
+    ExternalizeFlatL( aSerCtx.WriteStream() );
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::Factory
+// -----------------------------------------------------------------------------
+//
+TMceSinkFactory CMceMediaSink::Factory()
+    {
+    return TMceSinkFactory();
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::DoITCSendL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::DoITCSendL(TUint8 aITCFunction, TBool aEnabled)
+    {    
+	__ASSERT_ALWAYS( iStream, User::Leave( KErrNotReady ) );
+    CMceSession* session = iStream->Session();
+	__ASSERT_ALWAYS( session, User::Leave( KErrNotReady ) );
+
+	TMceIds ids;
+	session->PrepareForITC( ids );
+	ids.iMediaID   = iStream->Id();
+	ids.iSinkID    = Id();
+	ids.iState     = aEnabled;
+	
+    session->ITCSender().SendL( ids, static_cast<TMceItcFunctions>( aITCFunction ) );
+    
+	Enabled( static_cast<TBool>( ids.iState ) );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::DoEnableL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::DoEnableL() 
+    {
+    if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
+        {
+    	DoITCSendL( EMceItcEnable, ETrue );    
+        }
+    else
+        {
+        MCECLI_DEBUG("CMceMediaSink::DoEnableL, done locally");
+    	Enabled( ETrue );
+        }    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::DoDisableL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::DoDisableL() 
+    {
+    if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
+        {
+        __ASSERT_ALWAYS( iStream->State() != CMceMediaStream::ETranscodingRequired, 
+                         User::Leave( KErrNotReady ) );
+    	DoITCSendL( EMceItcDisable, EFalse );    
+        }
+    else
+        {
+    	Enabled( EFalse );
+        MCECLI_DEBUG("CMceMediaSink::DoDisableL, done locally");
+        }    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::Enabled
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::Enabled( TBool aValue )
+    {
+	_FLAT_DATA->Enabled( aValue );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::InitializeL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::InitializeL( CMceManager* /*aManager*/ )
+    {
+    // NOP
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::InitializeL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::InitializeL( CMceMediaStream& aParent )
+    {
+    
+    if ( !Id().IsAssigned() )
+        {
+	    __ASSERT_ALWAYS( aParent.Session(), User::Leave( KErrNotFound ) );
+        FLAT_DATA( iID ) = aParent.Session()->Manager().NextMediaId();
+        MCECLI_DEBUG_DVALUES2("CMceMediaSink::InitializeL, this: type", Type(),
+                              "id", Id().iId, "enabled", IsEnabled() );
+        }    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::StreamAddedL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::StreamAddedL( CMceMediaStream& aParent )
+    {
+    
+    if ( iParents.Find( &aParent ) == KErrNotFound )
+        {
+        iParents.AppendL( &aParent );
+        }
+        
+    iStream = iParents[0];
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::UnInitialize
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::UnInitialize( CMceMediaStream& aParent )
+    {
+    TInt index = iParents.Find( &aParent );
+    if ( index >= 0 )
+        {
+        iParents.Remove( index );
+        }
+    iStream = NULL;
+    
+    if ( iParents.Count() > 0 )
+        {
+        iStream = iParents[0];
+        }
+    
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceMediaSink::EventReceivedL
+// -----------------------------------------------------------------------------
+//
+TInt CMceMediaSink::EventReceivedL( TMceEvent& aEvent )
+    {
+    TInt status = KMceEventNotOwner;
+    TBool idMatch = aEvent.Id().iSinkID == Id();
+    if ( !idMatch )
+        {
+        return KMceEventNotOwner;
+        }
+        
+    if ( aEvent.Id().IsSinkId() )
+        {
+        status = HandleEvent( aEvent );
+        }
+    else
+        {
+        status = KMceEventNotConsumed;
+        }
+    
+    return status;
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::UpdateL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::UpdateL( CMceMediaSink& aUpdate )
+    {
+    MCECLI_DEBUG("CMceMediaSink::UpdateL, Entry");
+    MCECLI_DEBUG_DVALUES("this: type", Type(), "id", Id().iId );
+    
+    iFlatData->UpdateL( *aUpdate.iFlatData );
+    
+    MCECLI_DEBUG_DVALUE("CMceMediaSink::UpdateL, before exit. enabled", IsEnabled() );
+    MCECLI_DEBUG("CMceMediaSink::UpdateL, Exit");
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::ReferenceCount
+// -----------------------------------------------------------------------------
+//
+TInt& CMceMediaSink::ReferenceCount()
+    {
+    return FLAT_DATA( ReferenceCount() );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::Updated
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSink::Updated()
+    {
+    MMceStreamObserver* observer = iStream->Session()->Manager().MediaObserver();
+    
+    if ( observer )
+        {
+        observer->StreamStateChanged( *iStream, *this );
+        }
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSink::HandleEvent
+// -----------------------------------------------------------------------------
+//
+TInt CMceMediaSink::HandleEvent( TMceEvent& aEvent )
+    {
+    MCECLI_DEBUG("CMceMediaSink::HandleEvent, Entry");
+    MCECLI_DEBUG_DVALUES("this: type", Type(), "id", Id().iId );
+    
+    TInt status = KMceEventNotConsumed;
+
+    if ( aEvent.MessageType() == EMceItcMsgTypeSink )
+        {
+        MCECLI_DEBUG("CMceMediaSink::HandleEvent, content of sink changed");
+        status = KMceEventUpdate;
+        }
+    else if ( aEvent.Action() == EMceItcStateChanged ) 
+        {
+        MCECLI_DEBUG("CMceMediaSink::HandleEvent, state changed");
+    	Enabled( static_cast<TBool>( aEvent.ActionData() ) );
+        if ( IsEnabled() )
+            {
+            iStream->SetState( CMceMediaStream::EStreaming );
+            }
+        else
+            {
+            iStream->SetState( CMceMediaStream::EDisabled );
+            }
+        Updated();
+        status = KMceEventConsumed;
+        }
+    else if ( aEvent.Action() == EMceItcInProgress ) 
+        {
+        MCECLI_DEBUG("CMceMediaSink::HandleEvent, stream state changed");
+        
+        TInt stateContent( 0 );
+        TBool isEnabled( EFalse );
+        TUint32 actionData = aEvent.ActionData();
+        MCE_DECODE_DOUBLE_STATE( actionData, stateContent, isEnabled );     
+        CMceMediaStream::TState state = static_cast<CMceMediaStream::TState>( stateContent );
+        
+        MCECLI_DEBUG_DVALUE("CMceMediaSink::HandleEvent, state:", state );
+        MCECLI_DEBUG_DVALUE("CMceMediaSink::HandleEvent, enabled:", isEnabled );
+        
+        Enabled( isEnabled );
+        
+        TBool stateChanged = iStream->SetState( state );
+        
+        if ( !iStream->HandleMediaError( state, isEnabled, aEvent.Id().iStatus ) && 
+             stateChanged )
+            {
+            Updated();
+            }
+            
+        status = KMceEventConsumed;
+        }
+    else
+        {
+        //NOP
+        MCECLI_DEBUG("CMceMediaSink::HandleEvent, not consumed");
+        }
+        
+    MCECLI_DEBUG_DVALUE("CMceMediaSink::HandleEvent, before exit. enabled", IsEnabled() );
+    MCECLI_DEBUG_DVALUE("CMceMediaSink::HandleEvent, Exit. status", status );
+    
+    return status;
+    
+    }