--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vtprotocolplugins/DisplaySink/inc/CVtImageIYUV.h Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,231 @@
+/*
+* Copyright (c) 2004 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: Image Transforms subsystem.
+*
+*/
+
+
+
+
+
+#ifndef CVTIMAGEIYUV_H
+#define CVTIMAGEIYUV_H
+
+// INCLUDE FILES
+
+#include "cvtimage.h"
+
+// CLASS DECLARATIONS
+
+/**
+* CFbsBitmap image implementation.
+*
+* @lib videosource.lib
+*/
+class CVtImageIYUV : public CVtImage
+ {
+ public:
+
+ /**
+ * Creates new instance of CVtImageIYUV.
+ * @param "aSize" Size of the image in pixels.
+ * @exception In error situation leaves with one of the system wide
+ * error codes.
+ * @return Pointer to newly created instance.
+ */
+ IMPORT_C static CVtImageIYUV* NewL( const TSize& aSize );
+
+ /**
+ * Creates new instance of CVtImageIYUV.
+ * @param "aSize" Size of the image in pixels.
+ * @param "aImage" Image data as 8-bit descriptor. Image data is copied into
+ * this instance.
+ * @exception In error situation leaves with one of the system wide
+ * error codes.
+ * @return Pointer to newly created instance.
+ */
+ IMPORT_C static CVtImageIYUV* NewL( const TSize& aSize, const TDesC8& aImage );
+
+ /**
+ * Creates new instance of CVtImageIYUV.
+ * @param "aSize" Size of the image in pixels.
+ * @param "aImage" Image data as 8-bit descriptor. This image will be referenced
+ * and thus changes to this instance will be visible in the caller descriptor
+ * as well. Also descriptor must remain accessible lifetime of the current
+ * instance or until new non-referenced image is set.
+ * @exception In error situation leaves with one of the system wide
+ * error codes.
+ * @return Pointer to newly created instance.
+ */
+ IMPORT_C static CVtImageIYUV* NewL( const TSize& aSize, TPtr8& aImage );
+
+ /**
+ * C++ destructor.
+ */
+ IMPORT_C ~CVtImageIYUV();
+
+ /**
+ * Updates image with given data.
+ * @param "aImage" New image.
+ * @param "aImage" Image data as 8-bit descriptor. Image data is copied into
+ * this instance.
+ * @exception In error situation leaves with one of the system wide
+ * error codes.
+ */
+ IMPORT_C void SetImageL( const TDesC8& aImage );
+
+ /**
+ * Updates image with given data.
+ * @param "aImage" Image data as 8-bit descriptor. This image will be referenced
+ * and thus changes to this instance will be visible in the caller descriptor
+ * as well. Also descriptor must remain accessible lifetime of the current
+ * instance or until new non-referenced image is set.
+ * @exception In error situation leaves with one of the system wide
+ * error codes.
+ */
+ IMPORT_C void SetImageL( TPtr8& aImage );
+
+ /**
+ * Returns image as descriptor.
+ * @return Image as 8-bit descriptor.
+ */
+ IMPORT_C TPtrC8 Image() const;
+
+ /**
+ * Returns pointer to Y plane of this image.
+ * @return Pointer to Y plane of this image.
+ */
+ IMPORT_C TUint8* Y() const;
+
+ /**
+ * Returns pointer to U plane of this image.
+ * @return Pointer to U plane of this image.
+ */
+ IMPORT_C TUint8* U() const;
+
+ /**
+ * Returns pointer to V plane of this image.
+ * @return Pointer to V plane of this image.
+ */
+ IMPORT_C TUint8* V() const;
+
+ /**
+ * Returns width of the U and V plane in bytes.
+ * @return Width of the U and V plane in bytes.
+ */
+ IMPORT_C TInt UVPlaneWidth() const;
+
+ /**
+ * Returns height of the U and V plane in bytes.
+ * @return Height of the U and V plane in bytes.
+ */
+ IMPORT_C TInt UVPlaneHeight() const;
+
+ public: // from CVtImage
+
+ /**
+ * From CVtImage. See CVtImage for description.
+ */
+ TBool NeedHeapLock() const;
+
+ /**
+ * From CVtImage. See CVtImage for description.
+ */
+ TVtDisplayMode DisplayMode() const;
+
+ /**
+ * From CVtImage. See CVtImage for description.
+ */
+ TSize Size() const;
+
+ /**
+ * From CVtImage. See CVtImage for description.
+ */
+ TInt BytesPerRow() const;
+
+ /**
+ * From CVtImage. See CVtImage for description.
+ */
+ TUint32* DataAddress() const;
+
+ /**
+ * From CVtImage. See CVtImage for description.
+ */
+ TUint32* LineAddress( TInt aLine ) const;
+
+
+ private:
+
+ /**
+ * Returns size of the image in bytes (all planes
+ * included).
+ * @return Size of the image in bytes.
+ */
+ TInt ImageSize() const;
+
+ /**
+ * C++ constructor.
+ */
+ CVtImageIYUV( const TSize& aSize );
+
+ /**
+ * Second phase constructor.
+ * @exception In error situation leaves with one of the system wide
+ * error codes.
+ */
+ void ConstructL( const TDesC8* aImage );
+
+ /**
+ * Validates given size.
+ * @exception If the size is not correct leaves with KErrArgument.
+ */
+ void ValidateSizeL( const TSize& aSize );
+
+ /**
+ * Checks the size of the given descriptor against required size.
+ * @exception If the size is not correct leaves with KErrArgument.
+ */
+ void CheckDescriptorSizeL( const TDesC8& aImage );
+
+ /**
+ * Sets Y, U and V plane pointers.
+ */
+ void SetYUVPointers();
+ private:
+
+ // Size of the image
+ TSize iSize;
+
+ // Image data
+ HBufC8* iImage; // owned
+
+ // Image data ptr descriptor
+ TPtr8 iPtrImage;
+
+ // Ptr to Y plane
+ TUint8* iY;
+
+ // Ptr to U plane
+ TUint8* iU;
+
+ // Ptr to V plane
+ TUint8* iV;
+ };
+
+
+#endif // CVTIMAGEIYUV_H
+
+// End of File
+
+