videoeditorengine/audioeditorengine/inc/ProcFrameHandler.h
branchRCL_3
changeset 3 e0b5df5c0969
parent 0 951a5db380a0
child 5 4c409de21d23
--- a/videoeditorengine/audioeditorengine/inc/ProcFrameHandler.h	Fri Jan 29 14:08:33 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,98 +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 __CPROCFRAMEHANDLER_H__
-#define __CPROCFRAMEHANDLER_H__
-
-#include <e32base.h>
-#include "AudCommon.h"
-#include "ProcConstants.h"
-
-class CProcFrameHandler : public CBase 
-    {
-
-public:
-
-
-    /**
-    * Manipulates the gain of a certain audio frame
-    *
-    * @param    aFrameIn        a frame to be modified
-    * @param    aFrameOut    a modified frame, the caller is responsible for releasing!
-    * @param    aGain        gain change. One step represents 0.5 dB, so that
-    *                        0->no change, 10 -> +5dB and -10 -> -5dB
-    * @return    ETrue        if successful
-    *
-    *
-    */
-    virtual TBool ManipulateGainL(const HBufC8* aFrameIn, HBufC8*& aFrameOut, TInt8 aGain) = 0;
-
-    /**
-    * Retrieves the gains of a certain audio frame
-    *
-    * @param    aFrame    an audio frame
-    * @param    aGains    retrieved gains
-    * @param    aMaxGain the biggest possible gain value
-    * @return    ETrue    if successful
-    *
-    *
-    */
-    virtual TBool GetGainL(const HBufC8* aFrame, RArray<TInt>& aGains, TInt& aMaxGain) const = 0;
-
-    /**
-    * Calculates how many decibels this frame can be amplified
-    *
-    * @param aFrame        an audio frame
-    * @param aMargin    margin in debicels/2 -> 4 equals 2 decibels    
-    */
-    virtual TBool GetNormalizingMargin(const HBufC8* aFrame, TInt8& aMargin) const = 0;
-
-    /**
-    * Tells whether mixing is available or not
-    *
-    * @return ETrue        mixing is available
-    * @return EFalse    mixing is not available
-    */
-    virtual TBool IsMixingAvailable() const;
-
-    /**
-    * Mixes two frames with each other
-    *
-    * @param aFrame1        frame 1 to be mixed
-    * @param aFrame2        frame 2 to be mixed
-    * @param aMixedFrame    resulting mixed frame
-    *
-    * @return                ETrue if mixing was successful. The caller is responsible for releasing memory
-    *                        EFalse if mixing was not successful. aMixedFrame = 0 and the caller
-    *                                doesn't need to release memory
-    */
-    virtual TBool MixL(const HBufC8* aFrame1, const HBufC8* aFrame2, HBufC8*& aMixedFrame);
-
-
-    virtual ~CProcFrameHandler();
-
-private:
-
-protected:
-
-    
-    };
-
-#endif