multimediacommsengine/mmcecli/src/mceaudiostream.cpp
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcecli/src/mceaudiostream.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,494 @@
+/*
+* 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 "mceaudiostream.h"
+#include "mcemanager.h"
+#include "mceaudiocodec.h"
+#include "mcecomaudiostream.h"
+#include "mceserial.h"
+#include "mceevents.h"
+#include "mcefilesource.h"
+#include "mcecomfilesource.h"
+#include "mcertpsource.h"
+#include "mceclilogs.h"
+#include "mcertpsink.h"
+#include "cleanupresetanddestroy.h"
+
+#define _FLAT_DATA static_cast<CMceComAudioStream*>( iFlatData )
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::NewL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMceAudioStream* CMceAudioStream::NewL()
+    {
+    CMceAudioStream* self = NewLC();
+    CleanupStack::Pop( self );
+    return self; 
+    }
+   
+// -----------------------------------------------------------------------------
+// CMceAudioStream::NewLC
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMceAudioStream* CMceAudioStream::NewLC()
+    {
+    CMceAudioStream* self = new (ELeave) CMceAudioStream();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;    
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::~CMceAudioStream
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMceAudioStream::~CMceAudioStream()
+    {
+    iCodecs.ResetAndDestroy();
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::Codecs
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const RPointerArray<CMceAudioCodec>& CMceAudioStream::Codecs()
+    {
+    return iCodecs;
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::AddCodecL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMceAudioStream::AddCodecL(CMceAudioCodec* aCodec)
+    {
+    __ASSERT_ALWAYS(aCodec, User::Leave(KErrArgument));
+    iCodecs.AppendL(aCodec);
+    aCodec->Attach( *this );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::RemoveCodecL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMceAudioStream::RemoveCodecL(CMceAudioCodec& aCodec)
+    {
+    RemoveCodecL( aCodec, Binder() );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::ReplaceCodecsL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMceAudioStream::ReplaceCodecsL(
+    RPointerArray<CMceAudioCodec>* /*aCodecs*/ )
+    {
+    User::Leave( KErrNotSupported );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::CMceAudioStream
+// -----------------------------------------------------------------------------
+//
+CMceAudioStream::CMceAudioStream()
+    :CMceMediaStream()
+    {
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMceAudioStream::ConstructL()
+    {
+    CMceComAudioStream* stream = CMceComAudioStream::NewLC();
+    CMceMediaStream::ConstructL( stream );
+    CleanupStack::Pop( stream );
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::InitializeL
+// -----------------------------------------------------------------------------
+//
+void CMceAudioStream::InitializeL(
+    CMceSession& aParent, 
+    TBool aDiscardUnusedCodecs )
+    {
+    CMceMediaStream::InitializeL( aParent, aDiscardUnusedCodecs );
+            
+    for( TInt i = 0; i < iCodecs.Count(); i++ )
+        {
+        iCodecs[i]->InitializeL( *this );
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::InitializeL
+// -----------------------------------------------------------------------------
+//
+void CMceAudioStream::InitializeL( CMceManager* aManager, CMceSession& aSession )
+    {
+    
+    __ASSERT_ALWAYS( aManager, User::Leave( KErrArgument ) );
+    
+    CMceMediaStream::InitializeL( aManager, aSession );
+    
+    if ( iCodecs.Count() == 0 )
+        {
+        const RPointerArray<const CMceAudioCodec>& supportedCodes = 
+                                      aManager->SupportedAudioCodecs();
+                                      
+        for( TInt i = 0; i < supportedCodes.Count(); i++ )
+            {
+            CMceAudioCodec* codec = supportedCodes[i]->CloneL();
+            CleanupStack::PushL( codec );
+            AddCodecL( codec );
+            CleanupStack::Pop( codec );
+            MCECLI_DEBUG_SVALUE("CMceAudioStream::InitializeL, \
+Added supported codec", codec->SdpName() );
+            }
+                                      
+        }
+        
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::SynchronizeWithFileL
+// -----------------------------------------------------------------------------
+//
+void CMceAudioStream::SynchronizeWithFileL( CMceFileSource& aFile )
+    {
+    MCECLI_DEBUG("CMceAudioStream::SynchronizeWithFileL, Entry");
+    
+    const TDesC8& audioCodec = aFile.SupportedAudio();
+    
+    TBool transcodingRequired( EFalse );
+    
+    CMceManager* manager = aFile.Manager();
+    
+    if ( iCodecs.Count() == 0 && manager )
+        {
+        const RPointerArray<const CMceAudioCodec>& supportedCodecs =
+            manager->SupportedAudioCodecs();
+         
+        CMceAudioCodec* codec = NULL;
+        
+        for( TInt j = 0; j < supportedCodecs.Count() && !codec; j++ )
+            {
+            if ( audioCodec.CompareF( supportedCodecs[ j ]->SdpName() ) == 0 )
+                {
+                codec = supportedCodecs[ j ]->CloneL();
+                CleanupStack::PushL( codec );
+                AddCodecL( codec );
+                CleanupStack::Pop( codec );
+                MCECLI_DEBUG_SVALUE("CMceAudioStream::SynchronizeWithFileL, \
+Added supported codec", codec->SdpName() );
+                }
+            }
+        }
+      
+    for( TInt i = 0; i < iCodecs.Count(); i++ )
+        {
+        CMceAudioCodec* codec = iCodecs[i];
+        if ( audioCodec.CompareF( codec->SdpName() ) == 0 )
+            {
+            const TMceFileInfo& info = aFile.FileInfo();
+            
+            TUint allowedBitrates = 0;
+            TInt resolveError = 
+                 static_cast<CMceComCodec*>( codec->FlatData() )->
+                    ResolveAllowedBitrates( info.iAudioBitRate, allowedBitrates );
+            
+            if ( resolveError )
+                {
+                allowedBitrates = 0xFF;
+                }
+                
+            codec->SetAllowedBitrates( allowedBitrates );
+
+            TInt bitrateError = codec->SetBitrate( info.iAudioBitRate );
+            
+            if ( resolveError || bitrateError )
+                {
+                // Currently too high audio bitrate will not lead to transcoding
+                // needed state change
+                //transcodingRequired = ETrue;
+                }
+            }
+        else
+            {
+            delete iCodecs[ i ];
+            iCodecs.Remove( i );
+            i--;
+            }
+        }
+        
+    if ( iCodecs.Count() == 0 || transcodingRequired )
+        {
+        MCECLI_DEBUG("CMceAudioStream::SynchronizeWithFileL, transcoding required" );
+        SetState( CMceMediaStream::ETranscodingRequired );
+        }
+    else
+        {
+        SetState( CMceMediaStream::EInitialized );
+        }
+	TState state = State();
+    MCECLI_DEBUG_MEDIASTATE("CMceAudioStream::SynchronizeWithFileL, state", state );
+    MCECLI_DEBUG("CMceAudioStream::SynchronizeWithFileL, Exit");
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::FindCodec
+// -----------------------------------------------------------------------------
+//
+CMceCodec* CMceAudioStream::FindCodec( CMceCodec& aCodec )
+    {
+    const RPointerArray<CMceCodec>& codecs = 
+        reinterpret_cast<const RPointerArray<CMceCodec>&>( Codecs() );
+    return CMceMediaStream::FindCodec( codecs, aCodec );
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceAudioStream::ReorderCodecsByPreferenceL
+// -----------------------------------------------------------------------------
+//   
+void CMceAudioStream::ReorderCodecsByPreferenceL( TBool aDiscardUnusedCodecs )
+    {
+    // First remove all disabled codecs
+    if ( aDiscardUnusedCodecs )
+        {
+        TInt lastIndex( iCodecs.Count() - 1 );
+        for( TInt i = lastIndex; i >= 0; i-- )
+            {
+            if ( iCodecs[i]->State() == CMceCodec::EDisabled )
+                {
+                RemoveCodecL( *iCodecs[ i ] );
+                }
+            }
+        }
+    
+    // Then change order    
+    TBool inPreferenceOrder = ETrue; 
+    
+    for( TInt i = 0; i < iCodecs.Count() - 1 && inPreferenceOrder; i++ )
+        {
+        if ( iCodecs[i]->Preference() > iCodecs[i+1]->Preference() )
+            {
+            inPreferenceOrder = EFalse;   
+            }
+        }
+       
+    if ( !inPreferenceOrder ) 
+        {
+        RPointerArray<CMceAudioCodec> updated;
+        
+        MceCleanupResetAndDestroyPushL( updated );
+        
+        TLinearOrder<CMceAudioCodec> order( CMceAudioCodec::ComparePreferences );
+                    
+        for( TInt i = iCodecs.Count() -1; i >= 0; i-- )
+            {
+            CMceAudioCodec* codec = iCodecs[i];
+            iCodecs.Remove( i );
+            User::LeaveIfError( updated.InsertInOrderAllowRepeats( codec, order ) );
+            }
+           
+        iCodecs.ResetAndDestroy();
+         
+        for( TInt i = updated.Count() -1; i >= 0; i-- )
+            {
+            CMceAudioCodec* newcodec = updated[i];
+            updated.Remove( i );
+            User::LeaveIfError( iCodecs.InsertInOrderAllowRepeats( newcodec, order ) );
+            }
+       
+        CleanupStack::PopAndDestroy();//updated;   
+        }   
+    }
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::BaseCodecs
+// -----------------------------------------------------------------------------
+//
+const RPointerArray<CMceCodec>& CMceAudioStream::BaseCodecs()
+    {
+    const RPointerArray<CMceCodec>& codecs = 
+        reinterpret_cast<const RPointerArray<CMceCodec>&>( Codecs() );
+    return codecs;
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceAudioStream::FindDtmfRelatedComponents
+// -----------------------------------------------------------------------------
+//
+void CMceAudioStream::FindDtmfRelatedComponents( 
+    TBool& aRtpSourceExists, 
+    TBool& aRtpSinkExists, 
+    TBool& aDtmfCodecExists,
+    TBool aBinderOriginated )
+    {
+    if ( !aRtpSourceExists && Source() && Source()->Type() == KMceRTPSource )
+        {
+        aRtpSourceExists = ETrue;
+        }
+        
+    for ( TInt i = 0; i < Sinks().Count() && !aRtpSinkExists; i++ )
+        {
+        if ( Sinks()[ i ]->Type() == KMceRTPSink )
+            {
+            aRtpSinkExists = ETrue;
+            }
+        }
+        
+    for ( TInt j = 0; j < Codecs().Count() && !aDtmfCodecExists; j++ )
+        {
+        if ( Codecs()[ j ]->SdpName() == KMceSDPNameDtmf )
+            {
+            aDtmfCodecExists = ETrue;
+            }
+        }
+    
+    TBool commandBound = aBinderOriginated ? ( Binder() ) : ( !Binder() );
+    if ( iLinkedStream && commandBound )
+        {
+        aBinderOriginated = EFalse;
+        static_cast<CMceAudioStream*>( 
+            iLinkedStream )->FindDtmfRelatedComponents( aRtpSourceExists, 
+                                                        aRtpSinkExists,
+                                                        aDtmfCodecExists,
+                                                        aBinderOriginated );
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::RemoveCodecL
+// -----------------------------------------------------------------------------
+//
+void CMceAudioStream::RemoveCodecL( CMceAudioCodec& aCodec, TBool aBinderOriginated )
+    {
+    MCECLI_DEBUG_SVALUE( "CMceAudioStream::RemoveCodecL, sdp name:", aCodec.SdpName() )
+    
+    TBool removed( EFalse );
+    for(int i = 0; i < iCodecs.Count() && !removed; i++ )
+        {
+        if( iCodecs[i] == &aCodec || 
+            iCodecs[i]->SdpName().CompareF( aCodec.SdpName() ) == 0 )
+            {
+            MCECLI_DEBUG( "CMceAudioStream::RemoveCodecL, removing" )
+            
+            TBool commandBound = aBinderOriginated ? ( Binder() ) : ( !Binder() );
+            if ( BoundStream() && commandBound )
+                {
+                static_cast<CMceAudioStream*>( 
+                    iLinkedStream )->RemoveCodecL( aCodec, aBinderOriginated );
+                }
+                
+            delete iCodecs[i];
+            iCodecs.Remove( i );
+            removed = ETrue;
+            }
+        }
+        
+    MCECLI_DEBUG( "CMceAudioStream::RemoveCodecL, Exit" )
+    }
+        
+// -----------------------------------------------------------------------------
+// CMceAudioStream::InternalizeL
+// -----------------------------------------------------------------------------
+//
+void CMceAudioStream::InternalizeL( MMceComSerializationContext& aSerCtx )
+    {
+    CMceMediaStream::InternalizeL( aSerCtx );
+    
+    TMceAudioStreamSerializer<CMceAudioStream> serial( *this );
+    serial.InternalizeL( aSerCtx );
+
+    }
+    
+// -----------------------------------------------------------------------------
+// CMceAudioStream::ExternalizeL
+// -----------------------------------------------------------------------------
+//
+void CMceAudioStream::ExternalizeL( MMceComSerializationContext& aSerCtx )
+    {
+    CMceMediaStream::ExternalizeL( aSerCtx );
+
+    TMceAudioStreamSerializer<CMceAudioStream> serial( *this );
+    serial.ExternalizeL( aSerCtx );
+    
+    }
+
+
+
+
+// -----------------------------------------------------------------------------
+// CMceAudioStream::EventReceivedL
+// -----------------------------------------------------------------------------
+//
+TInt CMceAudioStream::EventReceivedL( TMceEvent& aEvent )
+    {
+
+    TInt status = CMceMediaStream::EventReceivedL( aEvent );
+    if ( status != KMceEventNotConsumed )
+        {
+        return status;
+        }
+
+    //try codecs
+    if ( aEvent.Id().IsCodecId() )
+        {
+        TInt codecStatus = status;
+        TInt j = 0;
+        while ( codecStatus != KMceEventConsumed && j < iCodecs.Count() )
+            {
+            CMceAudioCodec* codec = iCodecs[j]; 
+            codecStatus = codec->EventReceivedL( aEvent );
+            if ( codecStatus == KMceEventUpdate )
+                {
+                MCECLI_DEBUG("CMceAudioStream::EventReceivedL, \
+update codec by replacing old version with new one");
+                CMceMsgObject<CMceAudioCodec>* updateMsg = 
+                    static_cast<CMceMsgObject<CMceAudioCodec>*>( aEvent.Message() );
+                CMceAudioCodec* updateCodec = updateMsg->Object();
+                CleanupStack::PushL( updateCodec );
+                iCodecs.Remove( j );
+                delete codec;
+                updateCodec->InitializeL( *this );
+                iCodecs.AppendL( updateCodec );
+                CleanupStack::Pop( updateCodec );
+                updateCodec->Updated();
+                codecStatus = KMceEventConsumed;
+                }
+            j++;                
+            }
+        status = codecStatus == KMceEventNotOwner ? KMceEventNotConsumed : codecStatus;
+        }
+
+    return status;
+    
+    }