--- a/videoeditorengine/audioeditorengine/codecs/AAC/inc/ProcADTSInFileHandler.h Fri Jan 29 14:08:33 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,161 +0,0 @@
-/*
-* Copyright (c) 2010 Ixonos Plc.
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the "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:
-* Ixonos Plc
-*
-* Description:
-*
-*/
-
-
-#ifndef __CPROCADTSINFILEHANDLER_H__
-#define __CPROCADTSINFILEHANDLER_H__
-
-#include <e32base.h>
-#include <f32file.h>
-#include "AudCommon.h"
-#include "ProcConstants.h"
-#include "ProcInFileHandler.h"
-#include "AACConstants.h"
-#include "ProcDecoder.h"
-
-
-
-class CProcADTSInFileHandler: public CProcInFileHandler
- {
-
-public:
-
- static CProcADTSInFileHandler* NewL(const TDesC& aFileName,
- RFile* aFileHandle,
- CAudClip* aClip, TInt aReadBufferSize,
- TInt aTargetSampleRate = 0,
- TChannelMode aChannelMode = EAudSingleChannel);
-
- static CProcADTSInFileHandler* NewLC(const TDesC& aFileName,
- RFile* aFileHandle,
- CAudClip* aClip, TInt aReadBufferSize,
- TInt aTargetSampleRate = 0,
- TChannelMode aChannelMode = EAudSingleChannel);
-
-
- // From base class
-
- void GetPropertiesL(TAudFileProperties* aProperties);
-
- /**
- * Seeks a certain audio frame for reading
- *
- * Possible leave codes:
- *
- * @param aTime time from the beginning of file in milliseconds
- *
- * @return ETrue if successful
- * EFalse if beyond the file
- */
- TBool SeekAudioFrame(TInt32 aTime);
-
-
- /**
- * Seeks a cut in audio frame for reading
- *
- * Possible leave codes:
- *
- *
- * @return ETrue if successful
- *
- */
- TBool SeekCutInFrame();
-
- /**
- *
- * Sets the normalizing gain
- *
- * @param aFrameHandler AAC frame handler
- *
- * @return ETrue if successful
- */
- TBool SetNormalizingGainL(const CProcFrameHandler* aFrameHandler);
-
- /*
- * Fills in aac info
- *
- * @param aAACInfo aac info
- *
- * @return ETrue if successful
- */
- TBool GetInfoForFrameHandler(TAACFrameHandlerInfo& aAACInfo);
-
-
- /**
- * Generates decoder specific information for MP4/3GP files
- *
- * The caller is responsible for releasing aDecSpecInfo
- *
- * @param aBytes decoder specific info
- * @param aBufferSize max size of decSpecInfo
- *
- * @return ETrue if info was generated
- * EFalse if info was not generated (no need to release aFrame)
- */
- TBool ReadAudioDecoderSpecificInfoL(HBufC8*& aBytes, TInt aBufferSize);
-
-
- ~CProcADTSInFileHandler();
-
-
-
-
-private:
-
- // constructL
- void ConstructL(const TDesC& aFileName, RFile* aFileHandle, CAudClip* aClip, TInt aReadBufferSize,
- TInt aTargetSampleRate = 0, TChannelMode aChannelMode = EAudSingleChannel);
-
- virtual TBool GetEncAudioFrameL(HBufC8*& aFrame, TInt& aSize, TInt32& aTime);
-
- // C++ constructor
- CProcADTSInFileHandler();
-
- // Find the first AAC frame
- // There might be some stuff in the file before audio data (e.g. ID3 header)
- TBool FindFirstAACFrame();
-
- // calculates the frame length based of 4th, 5th and 6th byte of ADTS header
- TUint CalculateAACFrameLength(TUint8 byte4, TUint8 byte5, TUint8 byte6);
-
- // fills in fields of aProperties based on ADTS header
- TBool ReadHeaderInformation(TAudFileProperties* aProperties);
-
- // fills in the rest of the fields
- TBool ReadOtherInformationL(TAudFileProperties* aProperties);
-
-private:
-
- // info for frame handler
- TAACFrameHandlerInfo* iFrameInfo;
-
- // MP4 decoder specific info
- HBufC8* iMP4DecSpecInfo;
-
- // offset of the first ADTS frame in a file
- TUint32 iFirstFrame;
-
- // flag to indicate whether the file can be parsed
- TBool iSupportedFile;
-
- // remainder if audio duration can't be handled accurately in TInt milliseconds, depends on sampling rate
- TReal iAACFrameLenRemainderMilli;
-
- };
-
-#endif