os/mm/mmdevicefw/mdf/src/codecapi/codecapivideoresolverutils.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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// Copyright (c) 2005-2009 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:
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//
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#include <mdf/codecapivideoresolverutils.h>
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#include <mmf/devvideo/devvideoplay.h>
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#include "codecapiresolverconsts.h"
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/**
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 Creates a new CCodecApiVideoOpaqueData object.
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 @param  aOpaqueData
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 		 A reference to the opaque data value.
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 @return A pointer to the newly constructed match data object.
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 */
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EXPORT_C CCodecApiVideoOpaqueData* CCodecApiVideoOpaqueData::NewL(const TDesC8& aOpaqueData)
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	{
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	CCodecApiVideoOpaqueData* result = CCodecApiVideoOpaqueData::NewLC(aOpaqueData);
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	CleanupStack::Pop(result);
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	return result;
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	}
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/**
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 Creates a new CCodecApiOpaqueData object and leaves a pointer to it on the cleanup stack.
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 @param  aOpaqueData
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 		 A reference to the opaque data value.
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 @return A pointer to the newly constructed match data object.
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 */
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EXPORT_C CCodecApiVideoOpaqueData* CCodecApiVideoOpaqueData::NewLC(const TDesC8& aOpaqueData)
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	{
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	CCodecApiVideoOpaqueData* result = new (ELeave) CCodecApiVideoOpaqueData(aOpaqueData);
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	CleanupStack::PushL(result);
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	result->ConstructL();
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	return result;	
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	}
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/**
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 Constructor
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 @param  aOpaqueData
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 		 A reference to the opaque data value.
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 */
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CCodecApiVideoOpaqueData::CCodecApiVideoOpaqueData(const TDesC8& aOpaqueData) :
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	CCodecApiOpaqueData(aOpaqueData),
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	iManufacturer(NULL)
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	{
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	}
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/**
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 Sets up the data inside the class by calling <code>ParseTaggedDataL()</code>. 
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 */
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void CCodecApiVideoOpaqueData::ConstructL()
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	{
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	ParseTaggedDataL();
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	}
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/**
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 Returns the value of the maximun picture size data member.
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 @return The maximum picture size.
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 */
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EXPORT_C const TSize& CCodecApiVideoOpaqueData::MaxPictureSize() const
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	{	
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	return iMaxPictureSize;
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	}
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/**
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 Returns the value of the manufacturer name data member.
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 @return Constant reference to the manufactured name.
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 */	
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EXPORT_C const TDesC8& CCodecApiVideoOpaqueData::Manufacturer() const
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	{
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	if (iManufacturer)
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		{
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		return *iManufacturer;
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		}
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	return KNullDesC8;
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	}
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/**
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 Returns the array with values for the picture rate and size.
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 @return Array containing the picture rate and size values.
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 */	
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EXPORT_C const RArray<TPictureRateAndSize>& CCodecApiVideoOpaqueData::MaxPictureRates() const
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	{
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	return iMaxPictureRates;
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	}
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/**
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 Sets the values in the TPictureRateAndSize structure.
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 @param aData
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		A constant reference to the data containting values for TPictureRateAndSize.
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 */	
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void CCodecApiVideoOpaqueData::SetPictureRateAndSizeL(const TDesC8& aData)
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	{
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	TPictureRateAndSize pictureRateAndSize;
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	TInt position = 0;
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	TUint32 value = 0;
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	TPtrC8 restOfData = aData;
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	position = aData.MatchF(KComma);
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	if (position == KErrNotFound)
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		{
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		User::Leave(KErrCorrupt);
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		}		
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	TLex8 lex(restOfData.Left(position));
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	User::LeaveIfError(lex.Val(value, EDecimal));	
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	pictureRateAndSize.iPictureRate = value;
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	position++;
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	restOfData.Set(aData.Mid(position));
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	position = restOfData.MatchF(KComma);
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	if (position == KErrNotFound)
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		{
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		User::Leave(KErrCorrupt);
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		}		
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	lex = restOfData.Left(position);
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	User::LeaveIfError(lex.Val(value, EDecimal));	
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	pictureRateAndSize.iPictureSize.iWidth = value;
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	position++;
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	restOfData.Set(restOfData.Mid(position));
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	lex = restOfData;
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	User::LeaveIfError(lex.Val(value, EDecimal));
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	pictureRateAndSize.iPictureSize.iHeight = value;		
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	iMaxPictureRates.AppendL(pictureRateAndSize);
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	}
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/**
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 Sets the values in the TPictureRateAndSize structure.
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 @param aData
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		A constant reference to the data containting values for TPictureRateAndSize.
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 */	
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void CCodecApiVideoOpaqueData::SetMaxPictureSizeL(const TDesC8& aData)
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	{
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	TPictureRateAndSize pictureRateAndSize;
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	TInt position = 0;
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	TPtrC8 restOfData = aData.Mid(position);
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	position = restOfData.MatchF(KComma);
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	if (position == KErrNotFound)
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		{
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		User::Leave(KErrCorrupt);
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		}		
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	iMaxPictureSize.iWidth = ConvertTextToTUintL(restOfData.Left(position));
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	position++;
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	restOfData.Set(aData.Mid(position));
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	iMaxPictureSize.iHeight = ConvertTextToTUintL(restOfData);
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	}
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/**
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 Sets member data to the value of the given opaque data, based upon the tag value provided. 
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 @param  aTag
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 		 A constant reference to a tag from the opaque data. Can be \<m\>, \<l\>, \<p\>.
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 @param  aData
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 		 The data associated with a tag.
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 */
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void CCodecApiVideoOpaqueData::ProcessTaggedDataL(const TDesC8& aTag, const TDesC8& aData)
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	{
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	if (aTag == KManufacturer)
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		{
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		if(!iManufacturer)
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			{
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			iManufacturer = aData.AllocL();
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			return;		
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			}
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		else
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			{
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			User::Leave(KErrCorrupt);
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			}		
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		}
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	if (aTag == KMaxPictureSize)
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		{
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		SetMaxPictureSizeL(aData);
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		return;
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		}
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	if (aTag == KListOfPictureRateAndSize)
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		{
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		return SetPictureRateAndSizeL(aData);
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		}
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	CCodecApiOpaqueData::ProcessTaggedDataL(aTag, aData);
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	}
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/**
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 Destructor
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 */
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CCodecApiVideoOpaqueData::~CCodecApiVideoOpaqueData()
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	{
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	delete iManufacturer;
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	iMaxPictureRates.Reset();
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	iMaxPictureRates.Close();
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	}
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