--- a/videoeditorengine/audioeditorengine/inc/RateConverter.h Fri Jan 29 14:08:33 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,139 +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 __CRateConverter_H__
-#define __CRateConverter_H__
-
-#include <e32base.h>
-
-#include "resampler_rate_conversion_input_driven_int16.h"
-
-class CRateConverter : public CBase
- {
-
-public:
-
- /*
- * Symbian constructors
- *
- */
- static CRateConverter* NewL(TInt aFromSampleRate, TInt aToSampleRate, TInt aFromChannels, TInt aToChannels);
-
- static CRateConverter* NewLC(TInt aFromSampleRate, TInt aToSampleRate, TInt aFromChannels, TInt aToChannels);
-
- /*
- * Destructor
- */
- ~CRateConverter();
-
- /*
- * Initialize the rate converter
- *
- * @param aInputBufferSize Max size of the input buffer in number of samples
- * @return ETrue if successful
- *
- */
- TBool InitL(TInt aInputBufferSize);
-
- /*
- * Does rate and channel conversion for given buffer
- *
- * @param aInput Pointer to input buffer (16-bit samples)
- * @param aOutput Pointer to output buffer (16-bit samples)
- * @param aInputSampleCount Number of samples in the input buffer
- * @return Number of samples in the output buffer
- */
- TInt ConvertBufferL(TInt16* aInput, TInt16* aOutput, TInt aInputSampleCount);
-
- /*
- * Returns the size of the output buffer
- *
- */
- TInt GetOutputBufferSize() { return iOuputBlockSize; }
-
-
-protected:
-
- // constructL
- void ConstructL();
-
- // C++ constructor
- CRateConverter(TInt aFromSampleRate, TInt aToSampleRate, TInt aFromChannels, TInt aToChannels);
-
-private:
-
- /*
- * Does internal initialization
- *
- */
- TBool DoInitL(TInt aInputBufferSize);
-
- /*
- * Does the actual conversion
- *
- */
- TInt DoConvertL(TInt16** aInput, TInt aInputSampleCount);
-
- /*
- * Returns pointer to the output buffer
- *
- */
- TInt16** GetOutputBuffer() { return iOutBuffer; }
-
-private:
-
- // Another converter incase two phase converting is needed
- CRateConverter* iChild;
-
- // The actual converter
- RESAMPLER_RateConversionInputDrivenInt16* iConverter;
-
- // Input data for rate converter
- TInt16** iInBuffer;
-
- // Output data from rate converter
- TInt16** iOutBuffer;
-
- // Temp buffer used by converter
- TInt8* iScratchBuffer;
-
- // Size of the input buffer
- TInt iInputBlockSize;
-
- // Size of the output buffer
- TInt iOuputBlockSize;
-
- // Number of channels used in converter
- TInt iChannels;
-
- // Samplerate to convert from
- TInt iFromSampleRate;
-
- // Samplerate to convert to
- TInt iToSampleRate;
-
- // Number of channels in input
- TInt iFromChannels;
-
- // Number of channels in output
- TInt iToChannels;
- };
-
-#endif