camerauis/cameraapp/generic/common/src/CamVideoQualityLevel.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 16:18:56 +0200
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/*
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* Copyright (c) 2008 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:  Stores video qulaity leve linformation read from resource file*
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*/
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// INCLUDE FILES
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#include <utf.h>         // CnvUtfConverter
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#include "CameraVariant.hrh"
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#include "CamSettings.hrh"
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#include "CamSettingsInternal.hrh"
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#include "CamVideoQualityLevel.h"
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#include "camlogging.h"
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#include "CamUtility.h"
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const TInt KQualityMaxStringLength = 64;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::CCamVideoQualityLevel
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CCamVideoQualityLevel::CCamVideoQualityLevel()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::ConstructFromResourceL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CCamVideoQualityLevel::ConstructFromResourceL( TResourceReader& aReader )
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    {
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    // read identifier for this quality level
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    iQualityLevel = aReader.ReadInt16();
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    // read resolution
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    iVideoResolution = TVideoResolution(aReader.ReadInt16());
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    // read frame rate
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    iVideoFrameRate = aReader.ReadReal64();
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    // read video bitrate
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    iVideoBitRate = aReader.ReadInt32();
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    // read audio bitrate
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    iAudioBitRate = aReader.ReadInt32();
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    // read mime type
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    iVideoMimeType = ReadHBufC8L( aReader );
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    // read preferred supplier
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    iPreferredSupplier = aReader.ReadHBufC16L();
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    // read video codec
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    iVideoCodec = ReadHBufC8L( aReader );
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    // read audio codec
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    iAudioCodec = ReadHBufC8L( aReader );
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    // read file type
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    iVideoFileType = aReader.ReadInt16();
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    // read length
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    iVideoLength = aReader.ReadInt16();
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    // if sharing quality - check the flags
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/*    if ( iQualityLevel == ECamVideoQualitySharing )
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        {
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        // sharing should be subqcif
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        if ( aVariantFlags & KCamCrQualityVideoSharingIsSubQCIF )
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            {
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            iVideoResolution = ECamVideoResolutionSubQCIF;
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            }
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        }  */
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CCamVideoQualityLevel::ConstructL( TVideoQualitySettings& aSettings )
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    {
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    // read identifier for this quality level
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    iQualityLevel = aSettings.iQualityLevel;
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    // read resolution
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    iVideoResolution = TVideoResolution(aSettings.iVideoResolution);
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    // read frame rate
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    iVideoFrameRate = aSettings.iVideoFrameRate;
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    // read video bitrate
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    iVideoBitRate = aSettings.iVideoBitRate;
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    // read audio bitrate
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    iAudioBitRate = aSettings.iAudioBitRate;
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    // read mime type    
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    iVideoMimeType = HBufC8::NewL( KQualityMaxStringLength );
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    iVideoMimeType->Des().Copy(aSettings.iVideoMimeType);
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    // read preferred supplier
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    iPreferredSupplier = HBufC::NewL( KQualityMaxStringLength ) ;
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    iPreferredSupplier->Des().Copy( aSettings.iPreferredSupplier); 
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    // read video codec
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    iVideoCodec = HBufC8::NewL( KQualityMaxStringLength );
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    iVideoCodec->Des().Copy( aSettings.iVideoCodec );
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    // read audio codec
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    iAudioCodec = HBufC8::NewL( KQualityMaxStringLength );
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    iAudioCodec->Des().Copy( aSettings.iAudioCodec );
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    // read file type*
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    iVideoFileType = aSettings.iVideoFileType;
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    // read length
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    iVideoLength = aSettings.iVideoLength;
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    // if sharing quality - check the flags
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/*    if ( iQualityLevel == ECamVideoQualitySharing )
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        {
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        // sharing should be subqcif
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        if ( aVariantFlags & KCamCrQualityVideoSharingIsSubQCIF )
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            {
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            iVideoResolution = ECamVideoResolutionSubQCIF;
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            }
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        }*/
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CCamVideoQualityLevel* CCamVideoQualityLevel::NewL( TResourceReader& aReader )
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    {
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    CCamVideoQualityLevel* self = new( ELeave ) CCamVideoQualityLevel;
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    CleanupStack::PushL( self );
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    self->ConstructFromResourceL( aReader );
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    CleanupStack::Pop();
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CCamVideoQualityLevel* CCamVideoQualityLevel::NewL( TVideoQualitySettings& aSettings )
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    {
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    CCamVideoQualityLevel* self = new( ELeave ) CCamVideoQualityLevel;
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    CleanupStack::PushL( self );
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    self->ConstructL( aSettings );
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    CleanupStack::Pop();
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    return self;
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    }
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// Destructor
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CCamVideoQualityLevel::~CCamVideoQualityLevel()
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  {
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  PRINT( _L("Camera => ~CCamVideoQualityLevel" ));
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  delete iVideoMimeType;
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  delete iPreferredSupplier;
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  delete iVideoCodec;
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  delete iAudioCodec;
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  PRINT( _L("Camera <= ~CCamVideoQualityLevel" )); 
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  }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::VideoResolution
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// Return video resolution associated with this quality level
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// -----------------------------------------------------------------------------
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//
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TVideoResolution CCamVideoQualityLevel::VideoResolution()
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    {
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    return iVideoResolution;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::FrameRate
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// Return video frame rate associated with this quality level
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// -----------------------------------------------------------------------------
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//
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TReal CCamVideoQualityLevel::FrameRate()
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    {
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    return iVideoFrameRate;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::VideoBitRate
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// Return video bitrate associated with this quality level
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// -----------------------------------------------------------------------------
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//
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TInt CCamVideoQualityLevel::VideoBitRate()
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    {
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    return iVideoBitRate;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::AudioBitRate
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// Return audio bitrate associated with this quality level identifier
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// -----------------------------------------------------------------------------
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//
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TInt CCamVideoQualityLevel::AudioBitRate()
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    {
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    return iAudioBitRate;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::VideoMimeType
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// Return mime type required associated with this video quality level
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// -----------------------------------------------------------------------------
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//
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TPtrC8 CCamVideoQualityLevel::VideoMimeType()
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    {
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    return *iVideoMimeType;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::PreferredSupplier
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// Return preferred supplier value associated with this video quality level
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// -----------------------------------------------------------------------------
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//
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TPtrC CCamVideoQualityLevel::PreferredSupplier()
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    {
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    return *iPreferredSupplier;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::VideoFileType
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// Return video codec associated with this video quality level
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// -----------------------------------------------------------------------------
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//
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TPtrC8 CCamVideoQualityLevel::VideoFileType()
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    {
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    return *iVideoCodec;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::AudioType
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// Return audio codec associated with this video quality level
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// -----------------------------------------------------------------------------
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//
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TPtrC8 CCamVideoQualityLevel::AudioType()
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    {
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    return *iAudioCodec;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::VideoType
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// Return file type identier associated with this video quality level
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// either Mpeg4 or 3GP
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// -----------------------------------------------------------------------------
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//
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TInt CCamVideoQualityLevel::VideoType()
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    {
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    return iVideoFileType;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::VideoLength
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// Return length associated with this video quality level
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// either max or short
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// -----------------------------------------------------------------------------
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//
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TInt CCamVideoQualityLevel::VideoLength()
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    {
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    return iVideoLength;
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    }
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// -----------------------------------------------------------------------------
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// CCamVideoQualityLevel::VideoQuality
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// Return video quality level
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// -----------------------------------------------------------------------------
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//
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TInt CCamVideoQualityLevel::VideoQuality()
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    {
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    return iQualityLevel;
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    }
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// ---------------------------------------------------------------------------
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// CCamVideoQualityLevel::ReadHBufC8L
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// Reads an LTEXT element from resources and returns
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// it as HBufC8.
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// ---------------------------------------------------------------------------
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//
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HBufC8* CCamVideoQualityLevel::ReadHBufC8L( TResourceReader& aReader ) const
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    {
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    HBufC* tempBuf = NULL;
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    tempBuf = aReader.ReadHBufCL();
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    if ( !tempBuf )
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        {
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        return NULL;
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        }
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    CleanupStack::PushL( tempBuf );
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    // Assume aSource only contains 7-bit ASCII characters.
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    // (ie. length of the string in UTF-8 is equal to the number of
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    // characters)
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    HBufC8* res = HBufC8::NewLC( tempBuf->Length() );
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    TPtr8 resPtr( res->Des() );
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    TPtr16 sourcePtr( tempBuf->Des() );
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    CnvUtfConverter::ConvertFromUnicodeToUtf8( resPtr, sourcePtr );
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    CleanupStack::Pop(); // res
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    CleanupStack::PopAndDestroy(); // tempBuf
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    return res;
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    }
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//  End of File