author | Mikael Laine <mikael.laine@ixonos.com> |
Fri, 29 Jan 2010 14:08:33 +0200 | |
changeset 0 | 951a5db380a0 |
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/* |
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* Copyright (c) 2010 Ixonos Plc. |
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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 the "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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* Ixonos Plc |
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* |
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* Description: |
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* |
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*/ |
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#ifndef __CPROCAMRINFILEHANDLER_H__ |
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#define __CPROCAMRINFILEHANDLER_H__ |
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#include <e32base.h> |
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#include <f32file.h> |
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#include "AudCommon.h" |
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#include "ProcConstants.h" |
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#include "ProcInFileHandler.h" |
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#include "AudClip.h" |
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#include "ProcDecoder.h" |
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class CProcAMRInFileHandler: public CProcInFileHandler |
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{ |
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public: |
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static CProcAMRInFileHandler* NewL(const TDesC& aFileName, |
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RFile* aFileHandle, |
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CAudClip* aClip, TInt aReadBufferSize, |
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TInt aTargetSampleRate = 0, |
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TChannelMode aChannelMode = EAudSingleChannel); |
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static CProcAMRInFileHandler* NewLC(const TDesC& aFileName, |
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RFile* aFileHandle, |
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CAudClip* aClip, TInt aReadBufferSize, |
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TInt aTargetSampleRate = 0, |
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TChannelMode aChannelMode = EAudSingleChannel); |
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// From base class |
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void GetPropertiesL(TAudFileProperties* aProperties); |
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/** |
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* Seeks a certain audio frame for reading |
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* |
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* Possible leave codes: |
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* |
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* @param aFrameIndex frame index |
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* @param aTime time from the beginning of file in milliseconds |
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* |
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* @return ETrue if successful |
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* EFalse if beyond the file |
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*/ |
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TBool SeekAudioFrame(TInt32 aTime); |
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/** |
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* Seeks a cut in audio frame for reading |
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* |
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* Possible leave codes: |
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* |
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* @return ETrue if successful |
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* |
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*/ |
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TBool SeekCutInFrame(); |
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virtual TBool SetNormalizingGainL(const CProcFrameHandler* aFrameHandler); |
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virtual ~CProcAMRInFileHandler(); |
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private: |
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void ConstructL(const TDesC& aFileName, RFile* aFileHandle, CAudClip* aClip, |
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TInt aReadBufferSize, TInt aTargetSampleRate = 0, |
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TChannelMode aChannelMode = EAudSingleChannel); |
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virtual TBool GetEncAudioFrameL(HBufC8*& aFrame, TInt& aSize, TInt32& aTime); |
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// durations in milliseconds |
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virtual TBool GetFrameInfo(TInt& aSongDuration, |
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TInt& aFrameAmount, |
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TInt& aAverageFrameDuration, |
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TInt& aAverageFrameSize); |
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TInt iLastDRCL; |
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protected: |
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CProcAMRInFileHandler(); |
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}; |
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#endif |