--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/vedengine/videoprocessor/src/audioprocessor.cpp	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,291 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "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:
+* Ixonos Plc
+*
+* Description:  
+* Implementation of audio processor class.                
+*
+*/
+
+
+//  Include Files
+#include "movieprocessorimpl.h"
+#include "AudSong.h"
+#include "audioprocessor.h"
+
+#ifdef _DEBUG
+#include <e32svr.h>
+#define PRINT(x) RDebug::Print x;
+#else
+#define PRINT(x)
+#endif
+
+// Macros
+#define APASSERT(x) __ASSERT_DEBUG(x, User::Panic(_L("CAudioProcessor"), -30000))
+
+const TUint KNumFramesInOneRun = 20;
+
+
+// ================= MEMBER FUNCTIONS =======================
+
+
+// ---------------------------------------------------------
+// CAudioProcessor::NewL
+// Two-phased constructor.
+// ---------------------------------------------------------
+//
+CAudioProcessor* CAudioProcessor::NewL(CMovieProcessorImpl *aMovieProcessor, CAudSong* aSong)
+{
+    CAudioProcessor* self = NewLC(aMovieProcessor, aSong);
+    CleanupStack::Pop(self);
+    return self;
+}
+
+CAudioProcessor* CAudioProcessor::NewLC(CMovieProcessorImpl *aMovieProcessor, CAudSong* aSong)
+{
+    CAudioProcessor* self = new (ELeave) CAudioProcessor(aMovieProcessor, aSong);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+}
+
+
+// ---------------------------------------------------------
+// CAudioProcessor::NewL
+// C++ default constructor
+// ---------------------------------------------------------
+//
+CAudioProcessor::CAudioProcessor(CMovieProcessorImpl *aMovieProcessor, CAudSong* aSong) : CActive(EPriorityNormal)
+{
+    iMovieProcessor = aMovieProcessor;
+    iSong = aSong;	
+    iProcessing = EFalse;
+}
+
+// -----------------------------------------------------------------------------
+// CAudioProcessor::ConstructL
+// Symbian 2nd phase constructor 
+// -----------------------------------------------------------------------------
+//
+void CAudioProcessor::ConstructL()
+{
+
+    if(!iSong)
+    {
+        User::Leave(KErrArgument);	
+    }     	
+
+    SetPriority( EPriorityNormal );
+    // Add to active scheduler
+    CActiveScheduler::Add(this);
+    
+    // Make us active
+    SetActive();
+    iStatus = KRequestPending;
+  
+}
+
+// -----------------------------------------------------------------------------
+// CAudioProcessor::~CAudioProcessor
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CAudioProcessor::~CAudioProcessor()
+{
+    PRINT((_L("CAudioProcessor::~CAudioProcessor() begin")));
+
+    Cancel();
+
+    PRINT((_L("CAudioProcessor::~CAudioProcessor() end")));
+}
+
+
+// -----------------------------------------------------------------------------
+// CAudioProcessor::DoCancel()
+// DoCancel for AO framework
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CAudioProcessor::DoCancel()
+{
+    // Cancel our internal request
+    if ( iStatus == KRequestPending )
+    {
+        PRINT((_L("CAudioProcessor::DoCancel() cancel request")))
+        TRequestStatus *status = &iStatus;
+        User::RequestComplete(status, KErrCancel);
+    }
+}
+
+// -----------------------------------------------------------------------------
+// CAudioProcessor::RunL()
+// Running method of AO framework
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CAudioProcessor::RunL()
+{
+
+    if (!iProcessing)
+        return;
+    
+    ProcessFramesL();
+        
+}
+
+
+// -----------------------------------------------------------------------------
+// CAudioProcessor::ProcessFramesL()
+// Process audio frames
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CAudioProcessor::ProcessFramesL()
+{
+
+    TInt progress = 0;
+    HBufC8* frame = 0;
+    TPtr8 ptr(0,0);	
+    TTimeIntervalMicroSeconds time(0);
+    
+    TBool gotFrame = ETrue; // true indicates end of sequence
+    
+    TInt framesProcessed = 0;
+    
+    do
+    {	    
+        gotFrame = iSong->SyncProcessFrameL(frame,progress,time); 
+
+        if(gotFrame)
+        {
+            break;		
+        }
+
+        if (frame == NULL || frame->Size() == 0)
+        {
+            continue;
+        }
+		
+        CleanupStack::PushL(frame);
+
+        TInt duration = I64INT(time.Int64()); 
+
+        ptr.Set((TUint8*)frame->Ptr(),frame->Length(),frame->Length());
+
+        User::LeaveIfError(iMovieProcessor->WriteAllAudioFrames((TDesC8&)ptr,duration));			
+
+        CleanupStack::Pop();
+
+        if(frame != 0)
+        {
+            delete frame;		
+            frame = 0;
+        }
+
+        // Increment the frame number
+        framesProcessed++;
+
+        if (framesProcessed >= KNumFramesInOneRun)
+        {
+            iStatus = KRequestPending;
+            SetActive();
+            TRequestStatus *tmp = &iStatus;
+            User::RequestComplete( tmp, KErrNone );
+            return;
+        }			
+		
+	} while(!gotFrame);
+	
+    if(frame!=0)
+    {
+        delete frame;
+        frame = 0;
+    }
+
+    // finished
+    iProcessing = EFalse;
+
+    iMovieProcessor->AudioProcessingComplete(KErrNone);	
+	
+}
+
+// -----------------------------------------------------------------------------
+// CAudioProcessor::RunError()
+// RunError method of AO framework
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CAudioProcessor::RunError(TInt aError)
+{
+    iProcessing = EFalse;
+
+    iMovieProcessor->AudioProcessingComplete(aError);
+
+    return KErrNone;
+}
+
+// -----------------------------------------------------------------------------
+// CAudioProcessor::StartL()
+// Stops audio processing
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CAudioProcessor::StartL()
+{
+    PRINT((_L("CAudioProcessor::StartL() begin")));
+    
+    if ( iProcessing )
+        return;
+    
+    if (iSong->ClipCount(KAllTrackIndices) == 0)
+    {
+        iMovieProcessor->AudioProcessingComplete(KErrNone);
+        return;    	
+    }
+
+    iSong->SyncStartProcessingL();
+    
+    TRequestStatus *status = &iStatus;
+    User::RequestComplete(status, KErrNone);
+    
+    iProcessing = ETrue;    
+
+    PRINT((_L("CAudioProcessor::StartL() end")));
+}
+
+// -----------------------------------------------------------------------------
+// CAudioProcessor::StopL()
+// Stops audio processing
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CAudioProcessor::StopL()
+{
+    PRINT((_L("CAudioProcessor::StopL() begin")));
+    
+    if ( !iProcessing )
+        return;
+
+    Cancel();
+    
+    iSong->SyncCancelProcess();
+
+    iMovieProcessor->AudioProcessingComplete(KErrNone);
+
+    iProcessing = EFalse;
+    
+    PRINT((_L("CAudioProcessor::StopL() end")));
+}
+
+// End of file
+