--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/audioeditorengine/codecs/WAV/inc/ProcWAVInFileHandler.h Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,108 @@
+/*
+* 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 __CPROCWAVINFILEHANDLER_H__
+#define __CPROCWAVINFILEHANDLER_H__
+
+#include <e32base.h>
+#include <f32file.h>
+#include "AudCommon.h"
+#include "ProcConstants.h"
+#include "ProcInFileHandler.h"
+#include "ProcDecoder.h"
+
+
+class CProcWAVInFileHandler: public CProcInFileHandler
+ {
+
+public:
+
+
+ /*
+ * Constructors & destructor
+ *
+ */
+
+ static CProcWAVInFileHandler* NewL(const TDesC& aFileName, RFile* aFileHandle,
+ CAudClip* aClip, TInt aReadBufferSize,
+ TInt aTargetSampleRate = 0,
+ TChannelMode aChannelMode = EAudSingleChannel);
+ static CProcWAVInFileHandler* NewLC(const TDesC& aFileName, RFile* aFileHandle,
+ CAudClip* aClip, TInt aReadBufferSize,
+ TInt aTargetSampleRate = 0,
+ TChannelMode aChannelMode = EAudSingleChannel);
+ virtual ~CProcWAVInFileHandler();
+
+ // From base class ------------------>
+
+ void GetPropertiesL(TAudFileProperties* aProperties);
+
+ /**
+ * Seeks a certain audio frame for reading
+ *
+ * Possible leave codes:
+ *
+ * @param aFrameIndex frame index
+ * @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();
+
+
+ virtual TBool SetNormalizingGainL(const CProcFrameHandler* aFrameHandler);
+
+ // <-------------------------- From base class
+
+private:
+
+ // number of samples in a frame
+ TInt iNumberofSamplesInFrame;
+
+private:
+
+ // constructL
+ void ConstructL(const TDesC& aFileName, RFile* aFileHandle, CAudClip* aClip,
+ TInt aReadBufferSize, TInt aTargetSampleRate = 0,
+ TChannelMode aChannelMode = EAudSingleChannel);
+
+ TBool GetEncAudioFrameL(HBufC8*& aFrame, TInt& aSize, TInt32& aTime);
+
+ // c++ constructor
+ CProcWAVInFileHandler();
+
+private:
+
+
+ };
+
+#endif