multimediacommsengine/mmcecli/src/mcemediasource.cpp
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcecli/src/mcemediasource.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,637 @@
+/*
+* 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 "mcemediasource.h"
+#include "mcesession.h"
+#include "mcemanager.h"
+#include "mcestreamobserver.h"
+#include "mcecommediasource.h"
+#include "mceitcsender.h"
+#include "mcefactory.h"
+#include "mceevents.h"
+#include "mceclientserver.h"
+#include "mceserial.h"
+#include "mceaudiostream.h"
+#include "mceclilogs.h"
+#include "mcedtmfobserver.h"
+
+
+#define _FLAT_DATA static_cast<CMceComMediaSource*>( iFlatData )
+#define FLAT_DATA( data ) _FLAT_DATA->data
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::~CMceMediaSource
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMceMediaSource::~CMceMediaSource()
+    {
+    delete iFlatData;
+    iParents.Reset();
+    iParents.Close();
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceMediaSource::Type
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TMceSourceType CMceMediaSource::Type() const
+    {
+    return FLAT_DATA( Type() );
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::IsEnabled
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TBool CMceMediaSource::IsEnabled() const
+    {
+    return FLAT_DATA( IsEnabled() );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::DtmfAvailable
+// -----------------------------------------------------------------------------
+//
+TBool CMceMediaSource::DtmfAvailable()
+	{
+	TBool rtpSourceExists( EFalse );
+	TBool rtpSinkExists( EFalse );
+	TBool dtmfCodecExists( EFalse );
+	
+	for ( TInt i = 0; i < iParents.Count() && 
+	      !( rtpSourceExists && rtpSinkExists && dtmfCodecExists ); i++ )
+	    {
+	    if ( iParents[ i ]->Type() == KMceAudio )
+	        {
+	        CMceAudioStream* audioStream = 
+	            static_cast<CMceAudioStream*>( iParents[ i ] );
+	            
+	        audioStream->FindDtmfRelatedComponents( rtpSourceExists, 
+                	                                rtpSinkExists, 
+                	                                dtmfCodecExists,
+                	                                audioStream->Binder() );
+	        }
+	    }
+	return ( rtpSourceExists && rtpSinkExists && dtmfCodecExists );	
+	}
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::DtmfActive
+// -----------------------------------------------------------------------------
+//
+TBool CMceMediaSource::DtmfActive()
+	{
+	MCECLI_DEBUG( "CMceMediaSource::DtmfActive" )
+	
+	TBool dtmfActive( EFalse );
+	if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
+        {
+        CMceSession* session = iStream->Session();
+         
+    	TMceIds ids;
+    	session->PrepareForITC( ids );
+    	ids.iMediaID   = iStream->Id();
+    	ids.iSourceID  = Id();
+    	ids.iSpare1     = dtmfActive;
+    	
+        TRAP_IGNORE( session->ITCSender().SendL( ids, 
+                        static_cast<TMceItcFunctions>( EMceItcIsDtmfActive ) ) );  
+
+        dtmfActive = static_cast<TBool>( ids.iSpare1 );
+        }
+    
+    MCECLI_DEBUG_DVALUE( "CMceMediaSource::DtmfActive, Exit, active:", 
+                         dtmfActive )   
+    return dtmfActive;		
+	}
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::StartDtmfToneL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::StartDtmfToneL( const TChar& aTone )
+	{
+	MCECLI_DEBUG_DVALUE( "CMceMediaSource::StartDtmfToneL, tone (char as int):", 
+	                     static_cast<TInt>( aTone ) )  
+	
+	__ASSERT_ALWAYS( MCE_ENDPOINT_ITC_ALLOWED( *this ), 
+	                 User::Leave( KErrNotReady ) );	
+     	                 
+	DoITCSendL( EMceItcStartDtmfTone, IsEnabled(), static_cast<TUint32>( aTone ) );
+	
+	MCECLI_DEBUG( "CMceMediaSource::StartDtmfToneL, Exit" )	
+	}
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::StopDtmfToneL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::StopDtmfToneL()           	
+	{
+	MCECLI_DEBUG( "CMceMediaSource::StopDtmfToneL" )
+	
+	__ASSERT_ALWAYS( MCE_ENDPOINT_ITC_ALLOWED( *this ), 
+	                 User::Leave( KErrNotReady ) );	
+          
+	DoITCSendL( EMceItcStopDtmfTone, IsEnabled() );
+	
+	MCECLI_DEBUG( "CMceMediaSource::StopDtmfToneL, Exit" )
+	}
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::SendDtmfToneL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::SendDtmfToneL( const TChar& aTone,
+	TTimeIntervalMicroSeconds32 aDuration )
+	{
+	MCECLI_DEBUG_DVALUE( "CMceMediaSource::SendDtmfToneL, tone (char as int):", 
+	                     static_cast<TInt>( aTone ) )  
+	MCECLI_DEBUG_DVALUE( "CMceMediaSource::SendDtmfToneL, duration (microsecs):", 
+	                     aDuration.Int() )  
+	
+	__ASSERT_ALWAYS( MCE_ENDPOINT_ITC_ALLOWED( *this ), 
+	                 User::Leave( KErrNotReady ) );	
+	
+	__ASSERT_ALWAYS( aDuration.Int() >= 0 && aDuration.Int() <= (TInt)KMaxTUint32, 
+	                 User::Leave( KErrArgument ) );  
+	                           
+    DoITCSendL( EMceItcSendDtmfTone, 
+                IsEnabled(), 
+                static_cast<TUint32>( aTone ), 
+                static_cast<TUint32>( aDuration.Int() ) );
+                
+    MCECLI_DEBUG( "CMceMediaSource::SendDtmfToneL, Exit" )
+	}
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::SendDtmfToneSequenceL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::SendDtmfToneSequenceL( const TDesC& aSequence )
+	{
+	MCECLI_DEBUG_SVALUE( "CMceMediaSource::SendDtmfToneSequenceL, sequence:", 
+	                     aSequence )  
+	                     
+    __ASSERT_ALWAYS( MCE_ENDPOINT_ITC_ALLOWED( *this ), 
+	                 User::Leave( KErrNotReady ) );	
+	                 
+	const TInt KMceDesConversionMultiplier = 4;
+	HBufC8* sequence = 
+	    HBufC8::NewLC( aSequence.Length() * KMceDesConversionMultiplier );
+	TPtr8 prtSequence( sequence->Des() );   
+	CnvUtfConverter::ConvertFromUnicodeToUtf8( prtSequence, aSequence );
+	
+	CMceSession* session = iStream->Session();
+		
+    TMceIds ids;
+	session->PrepareForITC( ids );
+	ids.iMediaID   = iStream->Id();
+	ids.iSourceID  = Id();
+	ids.iState     = IsEnabled();  	
+	
+	session->ITCSender().WriteL( ids, EMceItcSendDtmfToneSequence, prtSequence );	
+	
+	CleanupStack::PopAndDestroy( sequence );	
+	
+	MCECLI_DEBUG( "CMceMediaSource::SendDtmfToneSequenceL, Exit" )
+	}
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::CancelDtmfToneSequenceL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::CancelDtmfToneSequenceL()
+	{
+	MCECLI_DEBUG( "CMceMediaSource::CancelDtmfToneSequenceL, Entry" )  
+    
+    __ASSERT_ALWAYS( MCE_ENDPOINT_ITC_ALLOWED( *this ), 
+                     User::Leave( KErrNotReady ) );
+    
+	CMceSession* session = iStream->Session();
+    
+    TMceIds ids;
+	session->PrepareForITC( ids );
+	ids.iMediaID   = iStream->Id();
+	ids.iSourceID  = Id();
+	ids.iState     = IsEnabled();
+	
+	session->ITCSender().SendL( ids, EMceItcCancelSendDtmfToneSequence );		
+	
+	MCECLI_DEBUG( "CMceMediaSource::CancelDtmfToneSequenceL, Exit" )
+	}
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::Id
+// -----------------------------------------------------------------------------
+//
+TMceMediaId CMceMediaSource::Id() const
+    {
+    return FLAT_DATA( iID );
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::ReferenceCount
+// -----------------------------------------------------------------------------
+//
+TInt& CMceMediaSource::ReferenceCount()
+    {
+    return FLAT_DATA( ReferenceCount() );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::CMceMediaSource
+// -----------------------------------------------------------------------------
+//
+CMceMediaSource::CMceMediaSource()
+    {
+    }
+  
+    
+// -----------------------------------------------------------------------------
+// CMceMediaSource::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::ConstructL( CMceComMediaSource* aFlatData )
+    {
+    __ASSERT_ALWAYS( aFlatData , User::Leave( KErrArgument ) );
+    iFlatData = aFlatData;
+    FLAT_DATA( iID ) = TMceMediaId();//as not assigned
+    
+    }
+      
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::SerializationId
+// -----------------------------------------------------------------------------
+//
+TUint64 CMceMediaSource::SerializationId() const
+    {
+    return FLAT_DATA( SerializationId() );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::InternalizeFlatL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::InternalizeFlatL( RReadStream& aReadStream )
+    {
+    __ASSERT_ALWAYS( iFlatData , User::Leave( KErrNotReady ) );
+    _FLAT_DATA->InternalizeFlatL( aReadStream );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::ExternalizeFlatL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::ExternalizeFlatL( RWriteStream& aWriteStream )
+    {
+    __ASSERT_ALWAYS( iFlatData , User::Leave( KErrNotReady ) );
+    _FLAT_DATA->ExternalizeFlatL( aWriteStream );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::InternalizeL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::InternalizeL( MMceComSerializationContext& aSerCtx )
+    {
+    InternalizeFlatL( aSerCtx.ReadStream() );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::ExternalizeL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::ExternalizeL( MMceComSerializationContext& aSerCtx )
+    {
+    ExternalizeFlatL( aSerCtx.WriteStream() );
+    }
+    
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::Factory
+// -----------------------------------------------------------------------------
+//
+TMceSourceFactory CMceMediaSource::Factory()
+    {
+    return TMceSourceFactory();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::InitializeL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::InitializeL( CMceManager* /*aManager*/ )
+    {
+    // NOP
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::InitializeL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::InitializeL( CMceMediaStream& aParent )
+    {
+
+    if ( !Id().IsAssigned() )
+        {
+        __ASSERT_ALWAYS( aParent.Session() , User::Leave( KErrNotFound ) );        
+        FLAT_DATA( iID ) = aParent.Session()->Manager().NextMediaId();
+        MCECLI_DEBUG_DVALUES2("CMceMediaSource::InitializeL, this: type", Type(),
+                              "id", Id().iId, "enabled", IsEnabled() );
+        
+        }
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::StreamAddedL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::StreamAddedL( CMceMediaStream& aParent )
+    {
+    
+    if ( iParents.Find( &aParent ) == KErrNotFound )
+        {
+        iParents.AppendL( &aParent );
+        }
+        
+    iStream = iParents[0];
+    
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceMediaSource::UnInitialize
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::UnInitialize( CMceMediaStream& aParent )
+    {
+    TInt index = iParents.Find( &aParent );
+    if ( index >= 0 )
+        {
+        iParents.Remove( index );
+        }
+    iStream = NULL;
+    
+    if ( iParents.Count() > 0 )
+        {
+        iStream = iParents[0];
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::DoITCSendL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::DoITCSendL(
+    TUint8 aITCFunction, 
+    TBool aEnable,
+    TUint32 aData1,
+    TUint32 aData2 )
+    {
+    __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.iSourceID  = Id();
+	ids.iState     = aEnable;
+	ids.iSpare1    = aData1;
+	ids.iSpare2    = aData2;
+	
+    session->ITCSender().SendL( ids, static_cast<TMceItcFunctions>( aITCFunction ) );
+    
+	Enabled( static_cast<TBool>( ids.iState ) );
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::DoEnableL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::DoEnableL() 
+    {
+    if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
+        {
+        __ASSERT_ALWAYS( iStream->State() != CMceMediaStream::ETranscodingRequired, 
+                         User::Leave( KErrNotReady ) );
+    	DoITCSendL( EMceItcEnable, ETrue );    
+        }
+    else
+        {
+    	Enabled( ETrue );
+        MCECLI_DEBUG("CMceMediaSource::DoEnableL, done locally");
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::DoDisableL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::DoDisableL() 
+    {
+    if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
+        {
+    	DoITCSendL( EMceItcDisable, EFalse );        
+        }
+    else
+        {
+    	Enabled( EFalse );
+        MCECLI_DEBUG("CMceMediaSource::DoDisableL, done locally");
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::Enabled
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::Enabled( TBool aValue )
+    {
+	_FLAT_DATA->Enabled( aValue );
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::EventReceivedL
+// -----------------------------------------------------------------------------
+//
+TInt CMceMediaSource::EventReceivedL( TMceEvent& aEvent )
+    {
+    TInt status = KMceEventNotOwner;
+    TBool idMatch = aEvent.Id().iSourceID == Id();
+    if ( !idMatch )
+        {
+        return KMceEventNotOwner;
+        }
+        
+    if ( aEvent.Id().IsSourceId() )
+        {
+        status = HandleEvent( aEvent );
+        }
+    else
+        {
+        status = KMceEventNotConsumed;
+        }
+    
+    return status;    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::UpdateL
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::UpdateL( CMceMediaSource& aUpdate )
+    {
+    MCECLI_DEBUG("CMceMediaSource::UpdateL, Entry");
+    MCECLI_DEBUG_DVALUES("this: type", Type(), "id", Id().iId );
+    iFlatData->UpdateL( *aUpdate.iFlatData );
+    MCECLI_DEBUG_DVALUE("CMceMediaSource::UpdateL, before exit. enabled", IsEnabled() );
+    MCECLI_DEBUG("CMceMediaSource::UpdateL, Exit");
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::Updated
+// -----------------------------------------------------------------------------
+//
+void CMceMediaSource::Updated()
+    {
+    MMceStreamObserver* observer = iStream->Session()->Manager().MediaObserver();
+    
+    if ( observer )
+        {
+        observer->StreamStateChanged( *iStream, *this );
+        }
+    
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceMediaSource::HandleEvent
+// -----------------------------------------------------------------------------
+//
+TInt CMceMediaSource::HandleEvent( TMceEvent& aEvent )
+    {
+    MCECLI_DEBUG("CMceMediaSource::HandleEvent, Entry");
+    MCECLI_DEBUG_DVALUES("this: type", Type(), "id", Id().iId );
+    TInt status = KMceEventNotConsumed;
+
+    if ( aEvent.MessageType() == EMceItcMsgTypeSource )
+        {
+        MCECLI_DEBUG("CMceMediaSource::HandleEvent, content of source changed");
+        status = KMceEventUpdate;
+        }
+    else if ( aEvent.Action() == EMceItcStateChanged ) 
+        {
+        MCECLI_DEBUG("CMceMediaSource::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("CMceMediaSource::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("CMceMediaSource::HandleEvent, state:", state );
+        MCECLI_DEBUG_DVALUE("CMceMediaSource::HandleEvent, enabled:", isEnabled );
+        
+        Enabled( isEnabled );
+        
+        TBool stateChanged = iStream->SetState( state );
+        
+        if ( !iStream->HandleMediaError( state, isEnabled, aEvent.Id().iStatus ) && 
+             stateChanged )
+            {
+            Updated();
+            }
+        status = KMceEventConsumed;
+        }
+    else if ( aEvent.Action() == EMceItcDtmfSendStarted ||
+              aEvent.Action() == EMceItcDtmfSendCompleted ||
+              aEvent.Action() == EMceItcDtmfSendError )
+        {
+        MCECLI_DEBUG_DVALUE( "CMceMediaSource::HandleEvent, received dtmf event:", 
+                             aEvent.Action() )
+        
+        MMceDtmfObserver* observer = iStream->Session()->Manager().DtmfObserver();
+        if ( observer && iStream->Type() == KMceAudio )
+            {
+            if ( aEvent.Action() == EMceItcDtmfSendError )
+                {
+                observer->DtmfErrorOccured( *( iStream->Session() ), 
+                                         *static_cast<CMceAudioStream*>( iStream ), 
+                                         *this, 
+                                         KErrGeneral );
+                
+                }
+            else
+                {
+                MMceDtmfObserver::TMceDtmfEvent dtmfEvent = 
+                    ( aEvent.Action() == EMceItcDtmfSendStarted ) ? 
+                        MMceDtmfObserver::EDtmfSendStarted : 
+                        MMceDtmfObserver::EDtmfSendCompleted;
+                observer->DtmfEventReceived( *( iStream->Session() ), 
+                                         *static_cast<CMceAudioStream*>( iStream ), 
+                                         *this, 
+                                         dtmfEvent );
+                }
+            }
+        status = KMceEventConsumed;
+        }
+    else
+        {
+        //NOP
+        MCECLI_DEBUG("CMceMediaSource::HandleEvent, not consumed");
+        }
+        
+    MCECLI_DEBUG_DVALUE("CMceMediaSource::HandleEvent, before exit. enabled", IsEnabled() );
+    MCECLI_DEBUG_DVALUE("CMceMediaSource::HandleEvent, Exit. status", status );
+    return status;
+    }