videoeditorengine/audioeditorengine/inc/RateConverter.h
branchRCL_3
changeset 3 e0b5df5c0969
parent 0 951a5db380a0
child 7 4c409de21d23
--- 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