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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Definition of CVisualFrame, CExtJpegDecoder and CExtJpegEncoder
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*
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*/
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#ifndef _ICLEXTJPEGAPI_
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#define _ICLEXTJPEGAPI_
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#include "imageconversion.h"
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#include <icl/icl_uids.hrh>
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#include "iclexifimageframe.h"
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const TInt KMaxNumberOfPlanes = KMaxPlanesInFrame;
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const TUid KUidExtFormatJpeg = { 0 };
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const TUid KUidExtIclApiSupport = { 0 };
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const TInt KExtensionUID = 0x01010101;
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// FORWARD DECLARATIONS
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class CVisualFrameImpl;
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// CLASS DECLARATION
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/**
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* CVisualFrame
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* @lib IclExtJpegApi.lib
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* @since 3.2
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*/
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class CVisualFrame : public CBase
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{
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public:
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// TFrameLayout contains the scan line lengths and offsets for each component in planar YUV case
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class TFrameLayout
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{
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public:
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TInt iNumberOfPlanes;
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TInt iScanLineLength[KMaxNumberOfPlanes];
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TInt iOffset[KMaxNumberOfPlanes];
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TInt iLength[KMaxNumberOfPlanes];
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TInt iMaxLength[KMaxNumberOfPlanes];
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};
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enum TDataContainer
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{
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EInChunk,
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EInDescriptor
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};
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enum TDataFormat
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{
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/* Copied from CCamera::TFormat: */
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/** 8 bit greyscale values, 0=black, 255=white. */
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EFormatMonochrome = 0x0001,//+
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/** Packed RGB triplets, 4 bits per pixel with red in the least significant bits
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and the 4 most significant bits unused. */
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EFormat16bitRGB444 = 0x0002,//+
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/** Packed RGB triplets, 5 bits per pixel for red and blue and 6 bits for green,
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with red in the least significant bits. */
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EFormat16BitRGB565 = 0x0004,//+
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/** Packed RGB triplets, 8 bits per pixel with red in the least significant bits
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and the 8 most significant bits unused. */
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EFormat32BitRGB888 = 0x0008,//+
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/** JFIF JPEG. */
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EFormatJpeg = 0x0010,
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/** EXIF JPEG */
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EFormatExif = 0x0020,
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/** CFbsBitmap object with display mode EColor4K. */
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EFormatFbsBitmapColor4K = 0x0040,
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/** CFbsBitmap object with display mode EColor64K. */
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EFormatFbsBitmapColor64K = 0x0080,
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/** CFbsBitmap object with display mode EColor16M. */
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EFormatFbsBitmapColor16M = 0x0100,
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/** Implementation dependent. */
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EFormatUserDefined = 0x0200,
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/** 4:2:0 format, 8 bits per sample, Y00Y01Y10Y11UV. */
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EFormatYUV420Interleaved = 0x0400,//+
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/** 4:2:0 format, 8 bits per sample, Y00Y01Y02Y03...U0...V0... */
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EFormatYUV420Planar = 0x0800,//+
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/** 4:2:2 format, 8 bits per sample, UY0VY1. */
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EFormatYUV422 = 0x1000,//+
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/** 4:2:2 format, 8 bits per sample, Y1VY0U. */
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EFormatYUV422Reversed = 0x2000,//+
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/** 4:4:4 format, 8 bits per sample, Y00U00V00 Y01U01V01... */
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EFormatYUV444 = 0x4000,//+
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/** 4:2:0 format, 8 bits per sample, Y00Y01Y02Y03...U0V0... */
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EFormatYUV420SemiPlanar = 0x8000,//+
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/* Other formats: */
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/** 4:2:2 format, 8 bits per sample, Y0Y1UV. */
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EFormatExtYUV422Interleaved = 0x00100000,
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/** 4:2:2 format, 8 bits per sample, Y0Y1Y2...U0U1...V0V1. */
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EFormatExtYUV422Planar = 0x00200000,
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/** 4:4:4 format, 8 bits per sample, Y0U0V0Y1U1V1. */
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EFormatExtYUV444Planar = 0x00400000,
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/** DCT coefficients */
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EFormatExtDctCoeff = 0x00800000,
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};
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public: // New functions
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/**
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* Symbian C++ Two-phased constructor.
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* @since 3.2
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* @param aBuffer A descriptor reference to buffer containing the image data.
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* @param aDimension The dimensions of the corresponding image data.
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* @param aFrameFormat The frame format of the corresponding image data.
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* @return CVisualFrame* A pointer to frame object.
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*/
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IMPORT_C static CVisualFrame* NewL(
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TDes8& aBuffer,
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const TSize& aDimension,
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TInt aFrameFormat );
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/**
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* Symbian C++ Two-phased constructor.
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* @since 3.2
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* @param aChunk An RChunk reference to buffer containing the image data.
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* @param aSize The amount of image data in bytes.
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* @param amaxSize The maximum size of the memory reserved in the chunk.
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* @param aDataOffset The offset value specifying the location of the image
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* data in the chunk.
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* @param aDimension The dimensions of the corresponding image data.
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* @param aFrameFormat The frame format of the corresponding image data.
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* @return CVisualFrame* A pointer to frame object.
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*/
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IMPORT_C static CVisualFrame* NewL(
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RChunk& aChunk,
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TInt aSize,
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TInt aMaxSize,
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TInt aDataOffset,
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const TSize& aDimension,
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TInt aFrameFormat );
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/**
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* Symbian C++ Two-phased constructor.
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* @since 3.2
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* @param aBuffer A descriptor reference to buffer containing the image data.
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* @param aDimension The dimensions of the corresponding image data.
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* @param aFrameLayout The layout of the image color components.
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* @return CVisualFrame* A pointer to frame object.
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*/
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IMPORT_C static CVisualFrame* NewL(
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TDes8& aBuffer,
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const TSize& aDimension,
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TInt aFrameFormat,
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const TFrameLayout& aFrameLayout );
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/**
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* Symbian C++ Two-phased constructor.
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* @since 3.2
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* @param aChunk An RChunk reference to buffer containing the image data.
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* @param aSize The amount of image data in bytes.
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* @param aMaxSize The maximum size of the memory reserved in the chunk for
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* the image data.
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* @param aDimension The dimensions of the corresponding image data.
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* @param aFrameFormat The frame format of the corresponding image data.
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* @param aFrameLayout The layout of the image color components. TFrameLayout
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* contains the scan line lengths and offsets for each component
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* in planar YUV case
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* @return CVisualFrame* A pointer to frame object.
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*/
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IMPORT_C static CVisualFrame* NewL(
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RChunk& aChunk,
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TInt aSize,
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TInt aMaxSize,
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const TSize& aDimension,
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TInt aFrameFormat,
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const TFrameLayout& aFrameLayout );
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/**
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* Returns a constant reference to the chunk containing
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* the image data, if exists.
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* @since 3.2
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* @return RChunk
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*/
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IMPORT_C const RChunk& DataChunkL() const;
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/**
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* Returns a descriptor pointer to the image data location, if exists
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* @since 3.2
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* @return TPtr8
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*/
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IMPORT_C TPtr8 DataPtrL() const;
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/**
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* Returns the dimensions of the image.
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* @since 3.2
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* @return TSize
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*/
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IMPORT_C TSize Dimension() const;
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/**
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* Return the image data format.
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* @since 3.2
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* @return TInt
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*/
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IMPORT_C TInt FrameFormat() const;
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/**
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* Returns the offset of the image data for non-planar,
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* single-component or compressed images.
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* @since 3.2
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* @return TInt
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*/
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IMPORT_C TInt DataOffset() const;
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/**
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* Returns the amount of stored image data in bytes.
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* @since 3.2
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* @return TInt
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*/
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IMPORT_C TInt Size() const;
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/**
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* Sets the amount of image data to the given value.
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* Should be called when the image data amount is modified explicitly.
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* @since 3.2
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* @return void
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*/
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IMPORT_C void SetSizeL( TInt aSize );
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/**
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* Returns the maximum size of the memory space reserved for image data
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* @since 3.2
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* @return TInt
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*/
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IMPORT_C TInt MaxSize() const;
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/**
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* Returns the storage type of the image data.
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* @since 3.2
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* @return TDataContainer
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*/
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IMPORT_C TDataContainer DataContainer() const;
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/**
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* Returns the layout of the image data for planar compressed images.
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* @since 3.2
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* @return TFrameLayout
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*/
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IMPORT_C const TFrameLayout& FrameLayout() const;
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/**
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* Destructor
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*/
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IMPORT_C virtual ~CVisualFrame();
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/**
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* Symbian C++ Two-phased constructor.
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*/
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IMPORT_C static CVisualFrame* NewL( const CImageFrame* aImageFrame );
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/**
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* Get image frame
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* @since 3.2
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* @return CImageFrame
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*/
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IMPORT_C CImageFrame* GetImageFrameL();
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private:
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CVisualFrameImpl* iVisualFrameImpl;
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};
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// CLASS DECLARATION
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/**
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* CExtJpegDecoder
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* @lib IclExtJpegApi.lib
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* @since 3.2
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*/
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class CExtJpegDecoder : public CJPEGImageFrameDecoder
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{
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public:
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enum TDecoderCapability
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{
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ECapNone = 0x0000,
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ECapCropping = 0x0001,
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ECapStreaming = 0x0002,
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ECapRotation = 0x0004,
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ECapFlipping = 0x0008,
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ECapMirroring = 0x0010,
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ECapDctDecoding = 0x0020,
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ECapExifData = 0x0040
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};
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enum TDecoderOperations
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{
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EEnd = 0x00010000,
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ESupportedFormats = 0x00020000,
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ECapabilities = 0x00040000,
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EReadyForAsync = 0x00080000,
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EConvert = 0x00100000,
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EContinueConvert = 0x00200000
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};
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enum TDecoderType
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{
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ESwImplementation = 0,
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EHwImplementation
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};
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public:
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/**
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* Symbian C++ Two-phased constructor.
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* @since 3.2
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*/
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IMPORT_C static CExtJpegDecoder* NewL();
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/**
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* Creates and initializes CExtJpegDecoder
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* @since 3.2
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* @param aFs A reference to a file server session to use.
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* @param aSourceFilename The name of the Jpeg file to decode.
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* @param aMIMEType The Jpeg MIME type for matching the decoder plugin.
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* @param aOptions Decoder options defined in ICL.
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* @return CExtJpegDecoder* A pointer to decoder object.
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*/
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IMPORT_C static CExtJpegDecoder* FileNewL(
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RFs& aFs,
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const TDesC& aSourceFilename,
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const TDesC8& aMIMEType,
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const TOptions aOptions = EOptionNone );
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/**
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* Creates and initializes CExtJpegDecoder
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* @since 3.2
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* @param aFs A reference to a file server session to use.
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* @param aSourceFilename The name of the Jpeg file to decode.
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* @param aOptions Decoder options defined in ICL.
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* @param aImageType The Jpeg image type.
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* @param aImageSubType The Jpeg image subtype (Null UID).
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* @param aDecoderUid The decoder plugin UID.
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* @return CExtJpegDecoder* A pointer to decoder object.
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*/
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IMPORT_C static CExtJpegDecoder* FileNewL(
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RFs& aFs,
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const TDesC& aSourceFilename,
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const TOptions aOptions = EOptionNone,
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const TUid aImageType = KNullUid,
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const TUid aImageSubType = KNullUid,
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const TUid aDecoderUid = KNullUid );
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/**
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* Creates and initializes CExtJpegDecoder
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* @since 3.2
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* @param aFs A reference to a file server session to use.
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* @param aSourceData The descriptor reference for the Jpeg image data to decode.
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* @param aMIMEType The Jpeg MIME type for matching the decoder plugin.
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* @param aOptions Decoder options defined in ICL.
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* @return CExtJpegDecoder* A pointer to decoder object.
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*/
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IMPORT_C static CExtJpegDecoder* DataNewL(
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RFs& aFs,
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const TDesC8& aSourceData,
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const TDesC8& aMIMEType,
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const TOptions aOptions = EOptionNone );
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/**
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* Creates and initializes CExtJpegDecoder
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* @since 3.2
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* @param aFs A reference to a file server session to use.
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* @param aSourceData The descriptor reference for the Jpeg image data to decode.
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* @param aOptions Decoder options defined in ICL.
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* @param aImageType The Jpeg image type.
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* @param aImageSubType The Jpeg image subtype (Null UID).
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* @param aDecoderUid The decoder plugin UID.
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* @return CExtJpegDecoder* A pointer to decoder object.
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*/
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IMPORT_C static CExtJpegDecoder* DataNewL(
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RFs& aFs,
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const TDesC8& aSourceData,
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const TOptions aOptions = EOptionNone,
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const TUid aImageType = KNullUid,
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const TUid aImageSubType = KNullUid,
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const TUid aDecoderUid = KNullUid );
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/**
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* Creates and initializes CExtJpegDecoder
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* @since 3.2
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* @param aFs A reference to a file server session to use.
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* @param aSourceData Pointer to the visual frame structure keeping
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* the Jpeg image data to decode.
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* @param aMIMEType The Jpeg MIME type for matching the decoder plugin.
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* @param aOptions Decoder options defined in ICL.
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* @return CExtJpegDecoder* A pointer to decoder object.
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*/
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IMPORT_C static CExtJpegDecoder* DataNewL(
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RFs& aFs,
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const CVisualFrame* aSourceData,
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const TDesC8& aMIMEType,
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const TOptions aOptions = EOptionNone );
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/**
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* Creates and initializes CExtJpegDecoder
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417 |
* @since 3.2
|
|
418 |
* @param aFs A reference to a file server session to use.
|
|
419 |
* @param aSourceData Pointer to the visual frame structure keeping
|
|
420 |
* the Jpeg image data to decode.
|
|
421 |
* @param aOptions Decoder options defined in ICL.
|
|
422 |
* @param aImageType The Jpeg image type.
|
|
423 |
* @param aImageSubType The Jpeg image subtype (Null UID).
|
|
424 |
* @param aDecoderUid The decoder plugin UID.
|
|
425 |
* @return CExtJpegDecoder* A pointer to decoder object.
|
|
426 |
*/
|
|
427 |
IMPORT_C static CExtJpegDecoder* DataNewL(
|
|
428 |
RFs& aFs,
|
|
429 |
const CVisualFrame* aSourceData,
|
|
430 |
const TOptions aOptions = EOptionNone,
|
|
431 |
const TUid aImageType = KNullUid,
|
|
432 |
const TUid aImageSubType = KNullUid,
|
|
433 |
const TUid aDecoderUid = KNullUid );
|
|
434 |
|
|
435 |
/**
|
|
436 |
* Destructor.
|
|
437 |
*/
|
|
438 |
IMPORT_C virtual ~CExtJpegDecoder();
|
|
439 |
|
|
440 |
/**
|
|
441 |
* Enables the use of cropping feature and specifies the cropping region.
|
|
442 |
* @since 3.2
|
|
443 |
* @param aCropRect The rectangular cropping region that will be decoded.
|
|
444 |
* @return void
|
|
445 |
*/
|
|
446 |
IMPORT_C void SetCroppingL( TRect aCropRect );
|
|
447 |
|
|
448 |
/**
|
|
449 |
* Enables the use of streaming feature and retrieves the macroblock
|
|
450 |
* dimensions in the Jpeg data.
|
|
451 |
* @since 3.2
|
|
452 |
* @param aMacroBlockSize The macroblock dimensions in the
|
|
453 |
* Jpeg image that is set by the decoder
|
|
454 |
* @return void
|
|
455 |
*/
|
|
456 |
IMPORT_C void SetStreamingL( TSize& aMacroBlockSize );
|
|
457 |
|
|
458 |
/**
|
|
459 |
* Enables the use of rotation feature and specifies the rotating degree.
|
|
460 |
* @since 3.2
|
|
461 |
* @param aDegree The rotation degree. Can take any values between 1 and 359.
|
|
462 |
* @return void
|
|
463 |
*/
|
|
464 |
IMPORT_C void SetRotationL( TInt aDegree );
|
|
465 |
|
|
466 |
/**
|
|
467 |
* Enables the use of flipping feature.
|
|
468 |
* @since 3.2
|
|
469 |
* @return void
|
|
470 |
*/
|
|
471 |
IMPORT_C void SetFlippingL();
|
|
472 |
|
|
473 |
/**
|
|
474 |
* Enables the use of mirroring feature.
|
|
475 |
* @since 3.2
|
|
476 |
* @return void
|
|
477 |
*/
|
|
478 |
IMPORT_C void SetMirroringL();
|
|
479 |
|
|
480 |
/**
|
|
481 |
* SEnables the use of DCT decoding feature.
|
|
482 |
* @since 3.2
|
|
483 |
* @return void
|
|
484 |
*/
|
|
485 |
IMPORT_C void SetDctDecodingL();
|
|
486 |
|
|
487 |
/**
|
|
488 |
* Asynchronous function for initiating the decoding
|
|
489 |
* @since 3.2
|
|
490 |
* @param aRequestStatus The pointer to the status of the operation
|
|
491 |
* that is set by the decoder after it is completed.
|
|
492 |
* After a complete successful operation, the status
|
|
493 |
* is KErrNone.
|
|
494 |
* @param aDestinationFrame Pointer to the visual frame structure that is keeping
|
|
495 |
* the destination image data. The client should do the
|
|
496 |
* proper allocation of the destination location.
|
|
497 |
* @param aNoOfDecodedMBlocks Reference to the number of decoded macroblocks that is
|
|
498 |
* set by the decoder after the decoding is completed.
|
|
499 |
* @param aFrameNumber The frame index in the Jpeg image.
|
|
500 |
* @return void
|
|
501 |
*/
|
|
502 |
IMPORT_C void ConvertL(
|
|
503 |
TRequestStatus* aRequestStatus,
|
|
504 |
const CVisualFrame* aDestinationFrame,
|
|
505 |
TInt& aNoOfDecodedMBlocks,
|
|
506 |
TInt aFrameNumber = 0 );
|
|
507 |
|
|
508 |
/**
|
|
509 |
* Asynchronous function for initiating one of the iterations of streamed decoding.
|
|
510 |
* @since 3.2
|
|
511 |
* @param aRequestStatus The pointer to the status of the operation
|
|
512 |
* that is set by the decoder after it is completed.
|
|
513 |
* After a complete successful operation, the status
|
|
514 |
* is KErrNone.
|
|
515 |
* @param aDestinationFrame Pointer to the visual frame structure that is keeping
|
|
516 |
* the destination image data. The client should do the
|
|
517 |
* proper allocation of the destination location.
|
|
518 |
* @param aNoOfDecodedMBlocks Reference to the number of decoded macroblocks that is
|
|
519 |
* set by the decoder after the decoding is completed.
|
|
520 |
* @param aFrameNumber The frame index in the Jpeg image.
|
|
521 |
* @return void
|
|
522 |
*/
|
|
523 |
IMPORT_C void ContinueConvertL(
|
|
524 |
TRequestStatus* aRequestStatus,
|
|
525 |
const CVisualFrame* aDestinationFrame,
|
|
526 |
TInt& aNoOfDecodedMBlocks,
|
|
527 |
TInt aFrameNumber = 0 );
|
|
528 |
|
|
529 |
/**
|
|
530 |
* Returns the destination (uncompressed) data formats that are supported by the decoder
|
|
531 |
* @since 3.2
|
|
532 |
* @return TInt The supported destination (uncompressed) data formats.
|
|
533 |
* The value is a combination of the flags defined in
|
|
534 |
* CVisualFrame::TDataFormat.
|
|
535 |
*/
|
|
536 |
IMPORT_C TInt SupportedFormatsL();
|
|
537 |
|
|
538 |
/**
|
|
539 |
* Returns the Extended API features (capabilities) that are supported by the decoder.
|
|
540 |
* @since 3.2
|
|
541 |
* @return TInt The supported Extended API features.
|
|
542 |
* The value is a combination of the flags defined in TDecoderCapabilities.
|
|
543 |
*/
|
|
544 |
IMPORT_C TInt CapabilitiesL();
|
|
545 |
|
|
546 |
/**
|
|
547 |
* Creates and initializes CExtJpegDecoder
|
|
548 |
* @since 3.2
|
|
549 |
* @param aDecoderType Decoder implementation type: HW or SW.
|
|
550 |
* @param aFs A reference to a file server session to use.
|
|
551 |
* @param aSourceFilename The name of the Jpeg file to decode.
|
|
552 |
* @param aOptions Decoder options defined in ICL.
|
|
553 |
* @return CExtJpegDecoder* A pointer to decoder object.
|
|
554 |
*/
|
|
555 |
IMPORT_C static CExtJpegDecoder* FileNewL(
|
|
556 |
const TDecoderType aDecoderType,
|
|
557 |
RFs& aFs,
|
|
558 |
const TDesC& aSourceFilename,
|
|
559 |
const TOptions aOptions = EOptionNone );
|
|
560 |
|
|
561 |
/**
|
|
562 |
* Creates and initializes CExtJpegDecoder
|
|
563 |
* @since 3.2
|
|
564 |
* @param aDecoderType Decoder implementation type: HW or SW.
|
|
565 |
* @param aFs A reference to a file server session to use.
|
|
566 |
* @param aSourceData The descriptor reference for the Jpeg image data to decode.
|
|
567 |
* @param aOptions Decoder options defined in ICL.
|
|
568 |
* @return CExtJpegDecoder* A pointer to decoder object.
|
|
569 |
*/
|
|
570 |
IMPORT_C static CExtJpegDecoder* DataNewL(
|
|
571 |
const TDecoderType aDecoderType,
|
|
572 |
RFs& aFs,
|
|
573 |
const TDesC8& aSourceData,
|
|
574 |
const TOptions aOptions = EOptionNone );
|
|
575 |
|
|
576 |
/**
|
|
577 |
* Creates and initializes CExtJpegDecoder
|
|
578 |
* @since 3.2
|
|
579 |
* @param aDecoderType Decoder implementation type: HW or SW.
|
|
580 |
* @param aFs A reference to a file server session to use.
|
|
581 |
* @param aSourceData Pointer to the visual frame structure keeping
|
|
582 |
* the Jpeg image data to decode.
|
|
583 |
* @param aOptions Decoder options defined in ICL.
|
|
584 |
* @return CExtJpegDecoder* A pointer to decoder object.
|
|
585 |
*/
|
|
586 |
IMPORT_C static CExtJpegDecoder* DataNewL(
|
|
587 |
const TDecoderType aDecoderType,
|
|
588 |
RFs& aFs,
|
|
589 |
const CVisualFrame* aSourceData,
|
|
590 |
const TOptions aOptions = EOptionNone );
|
|
591 |
|
|
592 |
/**
|
|
593 |
* Convert
|
|
594 |
* @since 3.2
|
|
595 |
* @param aRequestStatus The pointer to the status of the operation
|
|
596 |
* that is set by the decoder after it is completed.
|
|
597 |
* After a complete successful operation, the status
|
|
598 |
* is KErrNone.
|
|
599 |
* @param aDestination
|
|
600 |
* @param aFrameNumber The frame index in the Jpeg image.
|
|
601 |
* @return void
|
|
602 |
*/
|
|
603 |
IMPORT_C void Convert( TRequestStatus* aRequestStatus,
|
|
604 |
CFbsBitmap& aDestination, TInt aFrameNumber = 0);
|
|
605 |
|
|
606 |
/**
|
|
607 |
* Convert
|
|
608 |
* @since 3.2
|
|
609 |
* @param aRequestStatus The pointer to the status of the operation
|
|
610 |
* that is set by the decoder after it is completed.
|
|
611 |
* After a complete successful operation, the status
|
|
612 |
* is KErrNone.
|
|
613 |
* @param aDestination Bitmap destination
|
|
614 |
* @param aDestinationMask Bitmap destination mask
|
|
615 |
* @param aFrameNumber The frame index in the Jpeg image.
|
|
616 |
* @return void
|
|
617 |
*/
|
|
618 |
IMPORT_C void Convert( TRequestStatus* aRequestStatus,
|
|
619 |
CFbsBitmap& aDestination,
|
|
620 |
CFbsBitmap& aDestinationMask,
|
|
621 |
TInt aFrameNumber = 0 );
|
|
622 |
|
|
623 |
/**
|
|
624 |
* Continue convert
|
|
625 |
* @since 3.2
|
|
626 |
* @param aRequestStatus The pointer to the status of the operation
|
|
627 |
* that is set by the decoder after it is completed.
|
|
628 |
* After a complete successful operation, the status
|
|
629 |
* is KErrNone.
|
|
630 |
* @return void
|
|
631 |
*/
|
|
632 |
IMPORT_C void ContinueConvert( TRequestStatus* aRequestStatus );
|
|
633 |
|
|
634 |
private:
|
|
635 |
|
|
636 |
/**
|
|
637 |
* C++ default constructor.
|
|
638 |
*/
|
|
639 |
CExtJpegDecoder();
|
|
640 |
|
|
641 |
/**
|
|
642 |
* Get an uid by version range
|
|
643 |
* @since 3.2
|
|
644 |
* @param aMinVersion
|
|
645 |
* @param aMaxVersion
|
|
646 |
* @return TUid
|
|
647 |
*/
|
|
648 |
static TUid GetUidByVersionRangeL( TInt aMinVersion, TInt aMaxVersion );
|
|
649 |
|
|
650 |
TBool iIsExtConvert;
|
|
651 |
|
|
652 |
};
|
|
653 |
|
|
654 |
|
|
655 |
// CLASS DECLARATION
|
|
656 |
|
|
657 |
/**
|
|
658 |
* CExtJpegEncoder
|
|
659 |
* @lib IclExtJpegApi.lib
|
|
660 |
* @since 3.2
|
|
661 |
*/
|
|
662 |
class CExtJpegEncoder : public CJPEGImageFrameEncoder
|
|
663 |
{
|
|
664 |
public:
|
|
665 |
|
|
666 |
enum TEncoderCapability
|
|
667 |
{
|
|
668 |
ECapNone = 0x0000,
|
|
669 |
ECapStreaming = 0x0001,
|
|
670 |
ECapBitmapOverlay = 0x0002,
|
|
671 |
ECapImageReplacing = 0x0004,
|
|
672 |
ECapBitmapReplacing = 0x0008,
|
|
673 |
ECapLosslessRotation = 0x0010,
|
|
674 |
ECapLosslessFlipping = 0x0020,
|
|
675 |
ECapLosslessMirroring = 0x0040,
|
|
676 |
ECapDctEncoding = 0x0080
|
|
677 |
};
|
|
678 |
|
|
679 |
enum TEncoderOperations
|
|
680 |
{
|
|
681 |
EEnd = 0x00010000,
|
|
682 |
ESupportedFormats = 0x00020000,
|
|
683 |
ECapabilities = 0x00040000,
|
|
684 |
EReadyForAsync = 0x00080000,
|
|
685 |
EConvert = 0x00100000,
|
|
686 |
EContinueConvert = 0x00200000,
|
|
687 |
EDestVisualFrame = 0x00400000,
|
|
688 |
ENewDestData = 0x00800000,
|
|
689 |
EDestDataSize = 0x01000000
|
|
690 |
};
|
|
691 |
|
|
692 |
enum TEncoderType
|
|
693 |
{
|
|
694 |
ESwImplementation = 0,
|
|
695 |
EHwImplementation
|
|
696 |
};
|
|
697 |
|
|
698 |
public:
|
|
699 |
|
|
700 |
|
|
701 |
/**
|
|
702 |
* Symbian C++ Two-phased constructor.
|
|
703 |
*/
|
|
704 |
IMPORT_C static CExtJpegEncoder* NewL();
|
|
705 |
|
|
706 |
/**
|
|
707 |
* Creates and initializes CExtJpegEncoder
|
|
708 |
* @since 3.2
|
|
709 |
* @param aFs A reference to a file server session to use.
|
|
710 |
* @param aDestinationFilename The name of the destination Jpeg file.
|
|
711 |
* @param aMIMEType The Jpeg MIME type for matching the encoder plugin.
|
|
712 |
* @param aOptions Encoder options defined in ICL.
|
|
713 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
714 |
*/
|
|
715 |
IMPORT_C static CExtJpegEncoder* FileNewL(
|
|
716 |
RFs& aFs,
|
|
717 |
const TDesC& aDestinationFilename,
|
|
718 |
const TDesC8& aMIMEType,
|
|
719 |
const TOptions aOptions = EOptionNone );
|
|
720 |
|
|
721 |
/**
|
|
722 |
* Creates and initializes CExtJpegEncoder
|
|
723 |
* @param aFs A reference to a file server session to use.
|
|
724 |
* @param aDestinationFilename The name of the destination Jpeg file.
|
|
725 |
* @param aOptions Encoder options defined in ICL.
|
|
726 |
* @param aImageT The Jpeg image type.
|
|
727 |
* @param aImageSubType The Jpeg image subtype (Null UID).
|
|
728 |
* @param aEncoderUid The encoder plugin UID.
|
|
729 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
730 |
*/
|
|
731 |
IMPORT_C static CExtJpegEncoder* FileNewL(
|
|
732 |
RFs& aFs,
|
|
733 |
const TDesC& aDestinationFilename,
|
|
734 |
const TOptions aOptions = EOptionNone,
|
|
735 |
const TUid aImageType = KNullUid,
|
|
736 |
const TUid aImageSubType = KNullUid,
|
|
737 |
const TUid aEncoderUid = KNullUid );
|
|
738 |
|
|
739 |
/**
|
|
740 |
* Creates and initializes CExtJpegEncoder
|
|
741 |
* @param aDestinationData Pointer reference to the destination
|
|
742 |
* Jpeg data location that will be allocated by the encoder.
|
|
743 |
* @param aMIMEType The Jpeg MIME type for matching the encoder plugin.
|
|
744 |
* @param aOptions Encoder options defined in ICL.
|
|
745 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
746 |
*/
|
|
747 |
IMPORT_C static CExtJpegEncoder* DataNewL(
|
|
748 |
HBufC8*& aDestinationData,
|
|
749 |
const TDesC8& aMIMEType,
|
|
750 |
const TOptions aOptions = EOptionNone);
|
|
751 |
/**
|
|
752 |
* Creates and initializes CExtJpegEncoder
|
|
753 |
* @param aDestinationData Pointer reference to the destination
|
|
754 |
* Jpeg data location that will be allocated by the encoder.
|
|
755 |
* @param aOptions Encoder options defined in ICL.
|
|
756 |
* @param aImageType The Jpeg image type.
|
|
757 |
* @param aImageSubType The Jpeg image subtype (Null UID).
|
|
758 |
* @param aEncoderUid The encoder plugin UID.
|
|
759 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
760 |
*/
|
|
761 |
IMPORT_C static CExtJpegEncoder* DataNewL(
|
|
762 |
HBufC8*& aDestinationData,
|
|
763 |
const TOptions aOptions = EOptionNone,
|
|
764 |
const TUid aImageType = KNullUid,
|
|
765 |
const TUid aImageSubType = KNullUid,
|
|
766 |
const TUid aEncoderUid = KNullUid);
|
|
767 |
/**
|
|
768 |
* Creates and initializes CExtJpegEncoder
|
|
769 |
* @param aDestinationData Pointer to the visual frame structure keeping the destination
|
|
770 |
* Jpeg data allocated with maximum size by the client.
|
|
771 |
* @param aMIMEType The Jpeg MIME type for matching the encoder plugin.
|
|
772 |
* @param aOptions Encoder options defined in ICL.
|
|
773 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
774 |
*/
|
|
775 |
IMPORT_C static CExtJpegEncoder* DataNewL(
|
|
776 |
const CVisualFrame* aDestinationData,
|
|
777 |
const TDesC8& aMIMEType,
|
|
778 |
const TOptions aOptions = EOptionNone);
|
|
779 |
/**
|
|
780 |
* Creates and initializes CExtJpegEncoder
|
|
781 |
* @param aDestinationData Pointer to the visual frame structure keeping the destination
|
|
782 |
* Jpeg data allocated with maximum size by the client.
|
|
783 |
* @param aOptions Encoder options defined in ICL.
|
|
784 |
* @param aImageType The Jpeg image type.
|
|
785 |
* @param aImageSubType The Jpeg image subtype (Null UID).
|
|
786 |
* @param aEncoderUid The encoder plugin UID.
|
|
787 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
788 |
*/
|
|
789 |
IMPORT_C static CExtJpegEncoder* DataNewL(
|
|
790 |
const CVisualFrame* aDestinationData,
|
|
791 |
const TOptions aOptions = EOptionNone,
|
|
792 |
const TUid aImageType = KNullUid,
|
|
793 |
const TUid aImageSubType = KNullUid,
|
|
794 |
const TUid aEncoderUid = KNullUid);
|
|
795 |
|
|
796 |
/**
|
|
797 |
* Destructor.
|
|
798 |
*/
|
|
799 |
IMPORT_C virtual ~CExtJpegEncoder();
|
|
800 |
|
|
801 |
/**
|
|
802 |
* Enables the use of streaming feature and retrieves the
|
|
803 |
* macroblock dimensions in the Jpeg data.
|
|
804 |
* @since 3.2
|
|
805 |
* @param aMacroBlockSize The macroblock dimensions in the Jpeg
|
|
806 |
* image that is set by the encoder.
|
|
807 |
* @param aFrameImageData The pointer to the destination Jpeg image data structure.
|
|
808 |
* @return void
|
|
809 |
*/
|
|
810 |
IMPORT_C void SetStreamingL( TSize& aMacroBlockSize,
|
|
811 |
const CFrameImageData* aFrameImageData= NULL );
|
|
812 |
|
|
813 |
/**
|
|
814 |
* Enables the use of replacing feature, where the given image
|
|
815 |
* is replaced starting from the specified up-left corner point.
|
|
816 |
* @since 3.2
|
|
817 |
* @param aReplaceImage The image data that will be replaced.
|
|
818 |
* @param aReplacePoint The up-left corner point of the replacing region.
|
|
819 |
* @return void
|
|
820 |
*/
|
|
821 |
IMPORT_C void SetImageReplaceL( const CVisualFrame* aReplaceImage, TPoint aReplacePoint );
|
|
822 |
|
|
823 |
/**
|
|
824 |
* Enables the use of replacing feature, where the given bitmap
|
|
825 |
* is replaced starting from the specified up-left corner point.
|
|
826 |
* @since 3.2
|
|
827 |
* @param aReplaceBitmap The bitmap that will be replaced.
|
|
828 |
* @param aReplacePoint The up-left corner point of the replacing region.
|
|
829 |
* @return void
|
|
830 |
*/
|
|
831 |
IMPORT_C void SetBitmapReplaceL( const CFbsBitmap& aReplaceBitmap, TPoint aReplacePoint );
|
|
832 |
|
|
833 |
/**
|
|
834 |
* Enables the use of overlay feature, where the given bitmap
|
|
835 |
* is overlayed transparently based on the given alpha value
|
|
836 |
* starting from the specified up-left corner point.
|
|
837 |
* @since 3.2
|
|
838 |
* @param aOverlayBitmap The bitmap that will be overlayed.
|
|
839 |
* @param aAlphaValue The alpha value for the transparency of the overlayed bitmap.
|
|
840 |
* @param aOverlayPoint The up-left corner point of the overlay region.
|
|
841 |
* @return void
|
|
842 |
*/
|
|
843 |
IMPORT_C void SetBitmapOverlayL( const CFbsBitmap& aOverlayBitmap,
|
|
844 |
TUint aAlphaValue, TPoint aOverlayPoint );
|
|
845 |
|
|
846 |
/**
|
|
847 |
* Enables the use of lossless rotation feature and specifies the rotating degree.
|
|
848 |
* @since 3.2
|
|
849 |
* @param aDegree The rotation degree. Can take any values between 1 and 359.
|
|
850 |
* @return void
|
|
851 |
*/
|
|
852 |
IMPORT_C void SetLosslessRotationL( TInt aDegree );
|
|
853 |
|
|
854 |
/**
|
|
855 |
* Enables the use of lossless flipping feature.
|
|
856 |
* @since 3.2
|
|
857 |
* @return void
|
|
858 |
*/
|
|
859 |
IMPORT_C void SetLosslessFlippingL();
|
|
860 |
|
|
861 |
/**
|
|
862 |
* SEnables the use of lossless mirroring feature.
|
|
863 |
* @since 3.2
|
|
864 |
* @return void
|
|
865 |
*/
|
|
866 |
IMPORT_C void SetLosslessMirroringL();
|
|
867 |
|
|
868 |
/**
|
|
869 |
* Enables the use of DCT encoding feature.
|
|
870 |
* @since 3.2
|
|
871 |
* @return void
|
|
872 |
*/
|
|
873 |
IMPORT_C void SetDctEncodingL();
|
|
874 |
|
|
875 |
/**
|
|
876 |
* Provides a new visual frame structure for the
|
|
877 |
* destination data replacing any previously delivered ones.
|
|
878 |
* All the operations coming after this function call should
|
|
879 |
* use the provided structure.
|
|
880 |
* @since 3.2
|
|
881 |
* @param aDestinationData The new visual frame structure for the destination data.
|
|
882 |
* @return void
|
|
883 |
*/
|
|
884 |
IMPORT_C void ProvideNewDestDataL( const CVisualFrame* aDestinationData );
|
|
885 |
|
|
886 |
/**
|
|
887 |
* Asynchronous function for initiating the encoding.
|
|
888 |
* @since 3.2
|
|
889 |
* @param aRequestStatus The pointer to the status of the operation
|
|
890 |
* that is set by the encoder after it is completed.
|
|
891 |
* After a complete successful operation, the status
|
|
892 |
* is KErrNone.
|
|
893 |
* @param aSourceFrame Pointer to the visual frame structure that is keeping
|
|
894 |
* the source image data. In streaming case, contains a
|
|
895 |
* part of the uncompressed image data at the beginning.
|
|
896 |
* @param aNoOfEncodedMBlocks Reference to the number of encoded macroblocks that is
|
|
897 |
* set by the encoder after the encoding is completed.
|
|
898 |
* @param aFrameImageData Pointer to optional frame image data structure defined in ICL.
|
|
899 |
* @return void
|
|
900 |
*/
|
|
901 |
IMPORT_C void ConvertL(
|
|
902 |
TRequestStatus* aRequestStatus,
|
|
903 |
const CVisualFrame* aSourceFrame,
|
|
904 |
TInt& aNoOfEncodedMBlocks,
|
|
905 |
const CFrameImageData* aFrameImageData = NULL );
|
|
906 |
|
|
907 |
/**
|
|
908 |
* Asynchronous function for initiating one of the iterations of streamed encoding.
|
|
909 |
* @since 3.2
|
|
910 |
* @param aRequestStatus The pointer to the status of the operation
|
|
911 |
* that is set by the encoder after it is completed.
|
|
912 |
* After a complete successful operation, the status
|
|
913 |
* is KErrNone.
|
|
914 |
* @param aSourceFrame Pointer to the visual frame structure that is keeping
|
|
915 |
* the source image data. In streaming case, contains a
|
|
916 |
* part of the uncompressed image data at the beginning.
|
|
917 |
* @param aNoOfEncodedMBlocks Reference to the number of encoded macroblocks that is
|
|
918 |
* set by the encoder after the encoding is completed.
|
|
919 |
* @return
|
|
920 |
*/
|
|
921 |
IMPORT_C void ContinueConvertL(
|
|
922 |
TRequestStatus* aRequestStatus,
|
|
923 |
const CVisualFrame* aSourceFrame,
|
|
924 |
TInt& aNoOfEncodedMBlocks );
|
|
925 |
|
|
926 |
/**
|
|
927 |
* Returns the source (uncompressed) data formats that are supported by the encoder.
|
|
928 |
* @since 3.2
|
|
929 |
* @return TInt The supported source (uncompressed) data formats.
|
|
930 |
* The value is a combination of the flags defined
|
|
931 |
* in CVisualFrame::TDataFormat.
|
|
932 |
*/
|
|
933 |
IMPORT_C TInt SupportedFormatsL();
|
|
934 |
|
|
935 |
/**
|
|
936 |
* Returns the Extended API features (capabilities) that are supported by the encoder.
|
|
937 |
* @since 3.2
|
|
938 |
* @return TInt The supported Extended API features.
|
|
939 |
* The value is a combination of the flags defined
|
|
940 |
* in TEncoderCapabilities.
|
|
941 |
*/
|
|
942 |
IMPORT_C TInt CapabilitiesL();
|
|
943 |
|
|
944 |
/**
|
|
945 |
* Creates and initializes CExtJpegEncoder
|
|
946 |
* @since 3.2
|
|
947 |
* @param aEncoderType Encoder implementation type: HW or SW.
|
|
948 |
* @param aFs A reference to a file server session to use.
|
|
949 |
* @param aDestinationFilename The name of the destination Jpeg file.
|
|
950 |
* @param aOptions Encoder options defined in ICL.
|
|
951 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
952 |
*/
|
|
953 |
IMPORT_C static CExtJpegEncoder* FileNewL(
|
|
954 |
const TEncoderType aEncoderType,
|
|
955 |
RFs& aFs,
|
|
956 |
const TDesC& aDestinationFilename,
|
|
957 |
const TOptions aOptions = EOptionNone );
|
|
958 |
|
|
959 |
/**
|
|
960 |
* Creates and initializes CExtJpegEncoder
|
|
961 |
* @since 3.2
|
|
962 |
* @param aEncoderType Encoder implementation type: HW or SW.
|
|
963 |
* @param aDestinationData Pointer reference to the destination Jpeg
|
|
964 |
* data location that will be allocated by the encoder.
|
|
965 |
* @param aOptions Encoder options defined in ICL.
|
|
966 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
967 |
*/
|
|
968 |
IMPORT_C static CExtJpegEncoder* DataNewL(
|
|
969 |
const TEncoderType aEncoderType,
|
|
970 |
HBufC8*& aDestinationData,
|
|
971 |
const TOptions aOptions = EOptionNone );
|
|
972 |
/**
|
|
973 |
* Creates and initializes CExtJpegEncoder
|
|
974 |
* @since 3.2
|
|
975 |
* @param aEncoderType Encoder implementation type: HW or SW.
|
|
976 |
* @param aDestinationData Pointer to the visual frame structure keeping the
|
|
977 |
* destination Jpeg data allocated with maximum size by the client.
|
|
978 |
* @param aOptions Encoder options defined in ICL.
|
|
979 |
* @return CExtJpegEncoder* A pointer to encoder object.
|
|
980 |
*/
|
|
981 |
IMPORT_C static CExtJpegEncoder* DataNewL(
|
|
982 |
const TEncoderType aEncoderType,
|
|
983 |
const CVisualFrame* aDestinationData,
|
|
984 |
const TOptions aOptions = EOptionNone );
|
|
985 |
|
|
986 |
/**
|
|
987 |
* Returns the actual destination buffer size
|
|
988 |
* @since 3.2
|
|
989 |
* @return TInt The actual destination buffer size required.
|
|
990 |
* -1 means the codec is not able to determine the required buffer size.
|
|
991 |
*/
|
|
992 |
IMPORT_C TInt GetDestinationDataSizeL();
|
|
993 |
|
|
994 |
|
|
995 |
private:
|
|
996 |
|
|
997 |
/**
|
|
998 |
* C++ default constructor.
|
|
999 |
*/
|
|
1000 |
CExtJpegEncoder();
|
|
1001 |
|
|
1002 |
/**
|
|
1003 |
* Get an uid by version range
|
|
1004 |
* @since 3.2
|
|
1005 |
* @param aMinVersion
|
|
1006 |
* @param aMaxVersion
|
|
1007 |
* @return TUid
|
|
1008 |
*/
|
|
1009 |
static TUid GetUidByVersionRangeL( TInt aMinVersion, TInt aMaxVersion );
|
|
1010 |
|
|
1011 |
};
|
|
1012 |
|
|
1013 |
#endif // _ICLEXTJPEGAPI_
|
|
1014 |
|
|
1015 |
// End of File
|