diff -r 000000000000 -r 71ca22bcf22a inc/EAacPlusFrameParser.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/inc/EAacPlusFrameParser.h Tue Feb 02 01:08:46 2010 +0200 @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2009 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: Telephony Multimedia Service + * + */ + + +#ifndef EAACPLUSFRAMEPARSER_H +#define EAACPLUSFRAMEPARSER_H + +// INCLUDES +#include +#include "EAacPlusUtil.h" + +class CFrameTable; +class CMMFBuffer; + +// CLASS DECLARATION + +/** +* This class implements utility functions to extract AAC frame +* information. +* +* @lib MmfEAacPlusUtil.lib +* @since 3.2 +*/ +class CEAacPlusFrameParser : public CBase + { + public: + + class TEAacPlusParserConfig + { + public: + CEAacPlusUtil::TEAacPlusFrameLenConfig iFrameLenConfig; // config info needed by util for frame length. + TInt iOutSamplingFrequency; // output sampling freq of decoder + TInt iNumOfSamples; // samples per frame + CFrameTable* iFrameTable; // the frame table + }; + + public: // Constructors and destructor + + /** + * Two-phased constructor. + */ + IMPORT_C static CEAacPlusFrameParser* NewL(); + + /** + * Destructor. + */ + IMPORT_C virtual ~CEAacPlusFrameParser(); + + public: // New functions + + /** + * Used to parse the aac frames and populate the seek table. + * @since 3.2 + * @param aBuf buffer of AAC data from start of aac content + * @param aBufLen length of aBuf + * @return status + */ + IMPORT_C TInt Parse(const CMMFBuffer& aSrc, TInt& aSrcUsed); + + /** + * Used to configure the utility with information needed to enable the apis. + * This api can be used if GetAacFrameInfo is not used to initialize the utility. + * @since 3.2 + * @param aFormatType format type + * @param aSamplingFrequency sampling frequency + * @return status + */ + IMPORT_C TInt Config(TEAacPlusParserConfig& aParserConfig); + IMPORT_C TInt ReConfig(); + + private: + + /** + * C++ default constructor. + */ + CEAacPlusFrameParser(); + + /** + * By default Symbian 2nd phase constructor is private. + */ + void ConstructL(); + + private: // Data + CEAacPlusUtil* iAacUtil; + CFrameTable* iFrameTable; + + // local input buffer + TUint8* iTmpBuf; + const TUint8* iTmpBufPtr; + TInt iTmpBufBytes; + TInt iBytesCopied; + + TBool iUsingTmpBuf; + + TInt iPos; +// CEAacPlusUtil::TEAacPlusFormatType iFormatType; +// TInt iInSamplingFrequency; +// TInt iOutSamplingFrequency; +// TInt iNumOfSamples; + TEAacPlusParserConfig iParserConfig; + + }; + +#endif // EAACPLUSFRAMEPARSER_H + +// End of File