--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/src/cameracontroller/camimageencoder.cpp	Thu Jan 07 16:18:56 2010 +0200
@@ -0,0 +1,279 @@
+/*
+* Copyright (c) 2007 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:  Implementation of Camera image encoder
+*
+*/
+
+
+
+
+#include <imageconversion.h>
+#include <ExifRead.h>
+#include <ecam.h> // MCameraBuffer
+
+#include <eikenv.h>
+
+#include "camlogging.h"
+#include "camfilesaveutility.h"
+#include "cambuffershare.h"
+
+#include "camimageencoder.h"
+
+// ===========================================================================
+// Local constants
+
+// Encoding flags
+static const CImageEncoder::TOptions KConversionOptions =
+  CImageEncoder::EOptionAlwaysThread;
+
+// Other constants
+static const TInt KImageIndex = 0;
+static const TInt KPriority   = CActive::EPriorityHigh;
+
+_LIT8( KMimeTypeDesc8, "image/jpeg" );
+
+
+// ===========================================================================
+// public constructor and destructor
+
+// ---------------------------------------------------------------------------
+// 2-phase constructor
+// ---------------------------------------------------------------------------
+//
+CCamImageEncoder* 
+CCamImageEncoder::NewL( MCamImageEncoderObserver& aObserver )
+  {
+  CCamImageEncoder* self = 
+      new (ELeave) CCamImageEncoder( aObserver );
+
+  CleanupStack::PushL( self );
+  self->ConstructL();
+  CleanupStack::Pop( self );
+
+  return self;  
+  }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CCamImageEncoder::~CCamImageEncoder()
+  {
+  PRINT( _L("Camera => ~CCamImageEncoder") );
+  Cancel();
+
+  ReleaseEncoder();
+  SetInputBuffer( NULL );
+
+  PRINT( _L("Camera <= ~CCamImageEncoder") );
+  }
+
+// ===========================================================================
+// public methods
+
+// ---------------------------------------------------------------------------
+// StartConversionL
+// ---------------------------------------------------------------------------
+//
+void
+CCamImageEncoder::StartConversionL( CCamBufferShare* aBuffer )
+  {
+  PRINT( _L("Camera => CCamImageEncoder::StartConversionL") );
+
+  // Cancel any previous action
+  Cancel();
+
+  ReleaseEncoder();
+
+  if( aBuffer
+   && aBuffer->SharedBuffer() )   
+    {
+    // Store the bitmap data. 
+    // Need to release old buffer and reserve given one.
+    SetInputBuffer( aBuffer );
+
+    PRINT( _L("Camera <> CCamImageEncoder: Creating encoder..") );
+    iEncoder = CImageEncoder::DataNewL( iEncodedData, 
+                                        KMimeTypeDesc8(), 
+                                        KConversionOptions );
+
+    PRINT( _L("Camera <> CCamImageEncoder: get source bitmap..") );
+    MCameraBuffer* buffer( iSharedInput->SharedBuffer()   );
+    CFbsBitmap&    bitmap( buffer->BitmapL( KImageIndex ) );
+
+
+    PRINT( _L("Camera <> CCamImageEncoder: start conversion..") );
+    iEncoder->Convert( &iStatus, bitmap );
+    SetActive();
+    }
+  else
+    {
+    PRINT( _L("Camera <> CCamImageEncoder: No bitmap provided, leave..") );
+    User::Leave( KErrNotFound );    
+    }
+
+  PRINT( _L("Camera <= CCamImageEncoder::StartConversionL") );
+  }
+
+
+// ===========================================================================
+// from CActive
+
+// ---------------------------------------------------------------------------
+// virtual DoCancel
+// ---------------------------------------------------------------------------
+//
+void 
+CCamImageEncoder::DoCancel()
+  {
+  PRINT( _L("Camera => CCamImageEncoder::DoCancel") );
+
+  if( iEncoder )
+    {
+    iEncoder->Cancel();
+    }
+
+  ReleaseEncoder();
+  SetInputBuffer( NULL );
+
+  PRINT( _L("Camera <= CCamImageEncoder::DoCancel") );
+  }
+
+
+// ---------------------------------------------------------------------------
+// virtual RunL
+// ---------------------------------------------------------------------------
+//
+void 
+CCamImageEncoder::RunL()
+  {
+  PRINT1( _L("Camera => CCamImageEncoder::RunL, iStatus:%d"), iStatus.Int() );
+
+  switch( iStatus.Int() )
+    {
+    case KErrNone :
+      {
+      SetInputBuffer( NULL );
+
+      // Notify observer
+      NotifyObserver( KErrNone );
+      
+      // Source data and encoder not needed anymore
+      ReleaseEncoder();
+      
+      break;
+      }
+    case KErrCancel :
+    default :
+      {
+      User::Leave( iStatus.Int() );
+      break;
+      }
+    }
+
+  PRINT( _L("Camera <= CCamImageEncoder::RunL") );
+  }
+
+
+// ---------------------------------------------------------------------------
+// virtual RunError
+// ---------------------------------------------------------------------------
+//
+TInt 
+CCamImageEncoder::RunError( TInt aError )
+  {
+  PRINT1( _L("Camera <= CCamImageEncoder::RunError(%d)"), aError );
+
+  ReleaseEncoder();
+  SetInputBuffer( NULL );
+
+  // Leave has occurred in RunL.
+  // Notify observer with error and NULL data.
+  NotifyObserver( aError );
+
+  PRINT( _L("Camera <= CCamImageEncoder::RunError") );
+  return KErrNone;
+  }
+
+
+// ===========================================================================
+// Private methods
+
+// ---------------------------------------------------------------------------
+// SetInputBuffer
+// ---------------------------------------------------------------------------
+//
+void
+CCamImageEncoder::SetInputBuffer( CCamBufferShare* aBuffer )
+  {
+  if( iSharedInput )
+    {
+    iSharedInput->Release();
+    iSharedInput = NULL;
+    }
+
+  iSharedInput = aBuffer;
+
+  if( iSharedInput )
+    {
+    iSharedInput->Reserve();
+    }
+  }
+
+void 
+CCamImageEncoder::ReleaseEncoder()
+  {
+  delete iEncoder;
+  iEncoder = NULL;
+
+  delete iEncodedData;
+  iEncodedData = NULL;
+  }
+
+
+// ---------------------------------------------------------------------------
+// NotifyObservers
+// ---------------------------------------------------------------------------
+//
+void
+CCamImageEncoder::NotifyObserver( TInt aStatus )
+  {
+  iObserver.ImageEncoded( aStatus, iEncodedData );
+  iEncodedData = NULL;  // Ownership to observer
+  }
+
+// ===========================================================================
+// private constructors
+
+// ---------------------------------------------------------------------------
+// 2nd phase constructor
+// ---------------------------------------------------------------------------
+//
+void
+CCamImageEncoder::ConstructL()
+  {
+  CActiveScheduler::Add( this );
+  }
+
+// ---------------------------------------------------------------------------
+// 1st phase constructor
+// ---------------------------------------------------------------------------
+//
+CCamImageEncoder::CCamImageEncoder( MCamImageEncoderObserver& aObserver )
+  : CActive  ( KPriority ),
+    iObserver( aObserver )
+  {
+  }
+
+// end of file