--- a/inc/EAacPlusUtil.h Tue Jul 06 14:50:35 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,167 +0,0 @@
-/*
-* Copyright (c) 2007 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: Header file for EAacPlusUtil.cpp
-*
-*/
-
-
-#ifndef EAACPLUSUTIL_H
-#define EAACPLUSUTIL_H
-
-// INCLUDES
-#include <e32base.h>
-
-// CLASS DECLARATION
-class EAacpAudioFrameInfo;
-
-/**
-* This class implements utility functions to extract AAC frame
-* information.
-*
-* @lib MmfEAacPlusUtil.lib
-* @since 3.2
-*/
-class CEAacPlusUtil : public CBase
- {
- public:
- // CONSTANTS
- enum TEAacPlusFormatType
- {
- EAacPlusFormatRaw=0,
- EAacPlusFormatAdif=1,
- EAacPlusFormatAdts=2
- };
- /**
- * EAAC+ frame info struct.
- *
- * @lib MmfEAacPlusUtil.lib
- * @since 3.2
- */
- class TEAacPlusFrameInfo
- {
- public:
- TInt iOutFrameSize; // Size of PCM Samples generated by decoder
- TInt iNoOfSamples; // Number of PCM Samples generated by decoder per frame
- TInt iSamplingFrequency; // Sampling freq of AAC Code decoder
- TInt iNoOfChannels; // No of output channel 1=Mono; 2=Stereo
- TInt iObjectType; // MPEG Audio Object Type 2=AAC-LC; 4=AAC-LTP
- TInt iOutSamplingFrequency; // Sampling Frequence for the output samples
- TInt iDownSampledMode; // 0=Normal Mode; 1=Down Sampled mode
- TInt iSbr; // 0=SBR not present; 1=SBR present
- TInt iPs; // 0=PS not present; 1=PS present
- };
-
- class TEAacPlusFrameLenConfig
- {
- public:
- TEAacPlusFormatType iFormatType; // Container type.
- TInt iSamplingFrequency; // Sampling freq of AAC core decoder
- TInt iObjectType; // MPEG Audio Object Type 2=AAC-LC; 4=AAC-LTP
- };
-
-
- public: // Constructors and destructor
-
- /**
- * Two-phased constructor.
- */
- IMPORT_C static CEAacPlusUtil* NewL();
-
- /**
- * Destructor.
- */
- IMPORT_C virtual ~CEAacPlusUtil();
-
- public: // New functions
-
- /**
- * Used to get the format type.
- * @since 3.2
- * @param aBuf buffer of AAC data from start of aac content
- * @param aBufLen length of aBuf
- * @param TEAacPlusFormatType returned format type 0=raw; 1=ADIF; 2=ADTS
- * @return status
- */
- IMPORT_C TInt GetAacFormatType(const TUint8* aBuf, TInt aBufLen, TEAacPlusFormatType& aFormatType);
-
- /**
- * Used to get the audio format information for ADIF and ADTS content.
- * Data should be provided beginning with start of aac content including header.
- * Enough data should follow the header to determine SBR and PS if needed.
- * Can be used with mpeg data where aHdrBuf will contain the AudioSpecificConfig. Implicit SBR and PS
- * will not be determined.
- * @since 3.2
- * @param aHdrBuf buffer with AAC data beginning at start of aac content including ADIF or ADTS header
- * @param aHdrLen length of aHdrBuf; header length is returned in this parameter
- * @param aFrameInfo returns the format information
- * @return status
- */
- IMPORT_C TInt GetAacFrameInfo (const TUint8* aHdrBuf, TInt& aHdrLen, TEAacPlusFrameInfo& aFrameInfo);
-
- /**
- * Used to get the audio format information for mpeg aac.
- * aHdrBuf will contain the AudioSpecificConfig. aDataBuf will contain data at beginning of raw audio frames.
- * Implicit SBR and PS can be determined.
- * @since 3.2
- * @param aHdrBuf buffer with AudioSpecificConfig data.
- * @param aHdrLen length of aHdrBuf
- * @param aFrameInfo returns the format information
- * @param aDataBuf buffer with raw audio frames
- * @param aDataBufLen length of aDataBuf
- * @return status
- */
- IMPORT_C TInt GetAacFrameInfo (const TUint8* aHdrBuf, TInt& aHdrLen, TEAacPlusFrameInfo& aFrameInfo,
- TUint8* aDataBuf, TInt aDataBufLen);
-
- /**
- * Used to get the size in bytes of the frame found at the start of aBuf.
- * @since 3.2
- * @param aBuf buffer with AAC data frame
- * @param aBufLen length of aBuf
- * @param aFrameLen returns the frame size in bytes
- * @return status
- */
- IMPORT_C TInt GetAacFrameLength(const TUint8* aBuf, TInt aBufLen, TInt& aFrameLen);
-
- /**
- * 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(TEAacPlusFrameLenConfig& aFrameLenConfig);
-
- private:
-
- /**
- * C++ default constructor.
- */
- CEAacPlusUtil();
-
- /**
- * By default Symbian 2nd phase constructor is private.
- */
- void ConstructL();
-
- private: // Data
- TEAacPlusFormatType iFormat;
- EAacpAudioFrameInfo* iGetFrameLenParam;
- TBool iInitialized;
- };
-
-#endif // EAACPLUSUTIL_H
-
-// End of File