--- a/camappengine/StillConverter/Src/CaeStillDecoder.cpp Thu Aug 19 10:05:54 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,308 +0,0 @@
-/*
-* Copyright (c) 2003 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: Still Image Decoder for Camera Application Engine
-*
-*/
-
-
-
-// INCLUDE FILES
-#include <eikenv.h>
-
-#include "CaeStillConverter.h"
-#include "CaeStillDecoder.h"
-#include "CaeStillCommon.h"
-
-#ifdef CAE_TEST_VERSION
-#include "CaeStillConverterTestErrors.h"
-#endif
-
-
-// ================= MEMBER FUNCTIONS =======================
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::NewL
-// Two-phased constructor.
-// ---------------------------------------------------------
-//
-EXPORT_C CCaeStillDecoder* CCaeStillDecoder::NewL()
- {
- CCaeStillDecoder* self = new( ELeave ) CCaeStillDecoder;
- CleanupStack::PushL( self );
- self->ConstructL();
- CleanupStack::Pop( self );
- return self;
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::~CCaeStillDecoder
-// Destructor.
-// ---------------------------------------------------------
-//
-EXPORT_C CCaeStillDecoder::~CCaeStillDecoder()
- {
- delete iDecoder;
- delete iDecodedImage;
- iFs.Close();
-
- // For RTRT code coverage analysis.
- // #pragma attol insert _ATCPQ_DUMP(0);
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::SetObserver
-// Sets Still Decoder observer.
-// ---------------------------------------------------------
-//
-EXPORT_C void CCaeStillDecoder::SetObserver(
- MCaeStillDecoderObserver* aObserver )
- {
- iObserver = aObserver;
- }
-
-
-// -----------------------------------------------------------------------------
-// CCaeStillDecoder::SetImageCodecL
-// Sets the specific image codec implementation to be used in decoding.
-// -----------------------------------------------------------------------------
-//
-void CCaeStillDecoder::SetImageCodecL(
- TUid aCodecUid )
- {
- iImageCodecUid = aCodecUid;
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::ConvertHBufC8ToCFbsBitmapL
-// Creates CImageItem object, places it in the internal
-// queue and starts memory image to bitmap conversion.
-// ---------------------------------------------------------
-//
-EXPORT_C void CCaeStillDecoder::ConvertHBufC8ToCFbsBitmapL(
- HBufC8* aImageBuffer,
- TDisplayMode aTargetBitmapMode,
- const TSize& aTargetBitmapSize,
- const TSize& aFullyScaledTargetBitmapSize )
- {
- LOGTEXT( _L( "Cae: CCaeStillDecoder::ConvertHBufC8ToCFbsBitmapL() entering" ) );
-
- CleanupStack::PushL( aImageBuffer );
-
- // Create image item and set up image data.
-
- CImageItem* imageItem = new( ELeave ) CImageItem;
- imageItem->iBitmapDisplayMode = aTargetBitmapMode;
- imageItem->iImageBuffer = aImageBuffer;
- imageItem->iBitmapSize = aTargetBitmapSize;
- imageItem->iFullyScaledBitmapSize = aFullyScaledTargetBitmapSize;
- CleanupStack::Pop( aImageBuffer );
- CleanupStack::PushL( imageItem );
-
- #ifdef CAE_TEST_VERSION
- // For simulating errors when compiled as special "test version".
- CaeConvertHBufC8ToCFbsBitmapErrorL();
- #endif
-
- // Add image to the queue.
- User::LeaveIfError ( iImageQueue->Append( imageItem ) );
-
- CleanupStack::Pop( imageItem );
-
- // Start image conversion if not busy. Busy means that e.g. conversion is currently running.
- if ( !IsBusy() )
- {
- TRAPD( error, ConvertL() );
- if ( error != KErrNone )
- {
- ConversionComplete( error );
- }
- }
-
- LOGTEXT( _L( "Cae: CCaeStillDecoder::ConvertHBufC8ToCFbsBitmapL() returning" ) );
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::Cleanup
-// Destroy all allocations.
-// ---------------------------------------------------------
-//
-EXPORT_C void CCaeStillDecoder::Cleanup()
- {
- if ( iDecoder )
- {
- iDecoder->Cancel();
- delete iDecoder;
- iDecoder = NULL;
- }
-
- if ( iState != EIdle )
- {
- delete iDecodedImage;
- iDecodedImage = NULL;
- }
-
- if ( iImageQueue )
- {
- iImageQueue->ResetAndDestroy();
- }
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::CCaeStillDecoder
-// Default constructor.
-// This can NOT leave.
-// ---------------------------------------------------------
-//
-CCaeStillDecoder::CCaeStillDecoder()
- {
- CActiveScheduler::Add( this );
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::ConstructL
-// Symbian 2nd phase constructor that can leave.
-// ---------------------------------------------------------
-//
-void CCaeStillDecoder::ConstructL()
- {
- CCaeStillConverter::ConstructL();
- User::LeaveIfError( iFs.Connect() );
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::DoCancel
-// From CActive, implements cancellation of an outstanding request.
-// ---------------------------------------------------------
-//
-void CCaeStillDecoder::DoCancel()
- {
- Cleanup();
- iState = EIdle;
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::ConvertL
-// Converts bitmap to memory JPEG image.
-// ---------------------------------------------------------
-//
-void CCaeStillDecoder::ConvertL()
- {
- LOGTEXT( _L( "Cae: CCaeStillDecoder::ConvertL() entering" ) );
-
- iState = EConvert;
-
- // Use the default codec or the specific codec
- iDecoder = CImageDecoder::DataNewL( iFs, *(*iImageQueue)[0]->iImageBuffer,
- CImageDecoder::EOptionNone, KNullUid, KNullUid, iImageCodecUid );
-
- iDecodedImage = NULL;
- iDecodedImage = new( ELeave ) CFbsBitmap;
-
- // Set target bitmap size
- TSize targetBitmapSize = (*iImageQueue)[0]->iBitmapSize;
-
- const TFrameInfo& frameInfo = iDecoder->FrameInfo( 0 );
- TUid impUid = iDecoder->ImplementationUid();
- LOGTEXT3( _L( "Cae: CCaeStillDecoder::ConvertL() Requested decoder: %x, Found decoder: %x" ), iImageCodecUid.iUid, impUid.iUid );
- LOGTEXT2( _L( "Cae: CCaeStillDecoder::ConvertL() Free scaling support: %d" ), frameInfo.iFlags & TFrameInfo::EFullyScaleable );
-
- //
- // Use free scaling always with special decoder or with any decoder that supports it
- //
- if ( (( impUid == KUidSpecialFreeScalingDecoder ) || ( frameInfo.iFlags & TFrameInfo::EFullyScaleable ))
- && ( (*iImageQueue)[0]->iFullyScaledBitmapSize != TSize( 0, 0 ) ) )
- {
- LOGTEXT( _L( "Cae: CCaeStillDecoder::ConvertL(). Use free scaling in decoding" ) );
- targetBitmapSize = (*iImageQueue)[0]->iFullyScaledBitmapSize;
- }
-
- User::LeaveIfError( iDecodedImage->Create(
- targetBitmapSize,
- (*iImageQueue)[0]->iBitmapDisplayMode ) );
-
- #ifdef CAE_TEST_VERSION
- // For simulating errors when compiled as special "test version".
- CaeStillConvertErrorL();
- #endif
-
- iState = EConvert;
- iStatus = KRequestPending;
- iDecoder->Convert( &iStatus, *iDecodedImage );
- SetActive();
-
- LOGTEXT( _L( "Cae: CCaeStillDecoder::ConvertL() returning" ) );
- }
-
-
-// ---------------------------------------------------------
-// CCaeStillDecoder::ConversionComplete
-// Perfoms necessary cleanup and delivers result to the client.
-// ---------------------------------------------------------
-//
-void CCaeStillDecoder::ConversionComplete(
- TInt aError )
- {
- LOGTEXT( _L( "Cae: CCaeStillDecoder::ConversionComplete() entering" ) );
- #ifdef _DEBUG
- if ( aError )
- {
- LOGTEXT( _L( "Cae: CCaeStillDecoder::ConversionComplete(): error detected" ) );
- }
- #endif
-
- // Delete the decoder object and image queue item
- if ( iDecoder )
- {
- iDecoder->Cancel();
- delete iDecoder;
- iDecoder = NULL;
- }
-
- // To be outputted via call-back.
- HBufC8* imageBuffer = NULL;
-
- if ( iImageQueue->Count() > 0 )
- {
- imageBuffer = (*iImageQueue)[0]->iImageBuffer;
-
- (*iImageQueue)[0]->iImageBuffer = NULL; // Prevent deletion of source image.
- delete ( *iImageQueue )[0];
-
- // Remove item pointer from the queue and compress the queue.
- iImageQueue->Remove( 0 ); // Remove item pointer from the queue and compress the queue.
- }
-
- iState = EIdle;
-
- const TInt KZeroImageSize = 0; // Image size argument currently not in use.
-
- // Call back the client to deliver the result image. Gives away the ownership of the imageBuffer
- // and iDecodedImage.
- iObserver->McaesdoCFbsBitmapImageReady( imageBuffer, iDecodedImage, aError, KZeroImageSize );
- iDecodedImage = NULL; // Ownership has been given away
-
- LOGTEXT( _L( "Cae: CCaeStillDecoder::ConversionComplete() returning" ) );
- }
-
-
-// End of File