videoeditorengine/audioeditorengine/inc/ProcDecoder.h
changeset 9 d87d32eab1a9
parent 0 951a5db380a0
--- a/videoeditorengine/audioeditorengine/inc/ProcDecoder.h	Fri Jan 29 14:08:33 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,159 +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 __CPROCProcDecoder_H__
-#define __CPROCProcDecoder_H__
-
-#include <e32base.h>
-#include <f32file.h>
-#include <MMFCodec.h>
-
-#include "AudCommon.h"
-#include "ProcConstants.h"
-#include "RateConverter.h"
-
-class CProcDecoder : public CBase
-    {
-
-public:
-    
-    /*
-    * Symbian constructors
-    *
-    */
-    
-    static CProcDecoder* NewL();
-                                        
-    static CProcDecoder* NewLC();
-
-    /*
-    * Destructor
-    */
-    ~CProcDecoder();
-    
-    /*
-    * Initialize the decoder
-    *
-    * @param aProperties            properties of the input clip (in compressed domain)
-    * @param aTargetSamplingRate    sampling rate to decode to
-    * @param aChannelMode           channel mode to decode to
-    *
-    * @return ETrue if successful
-    *
-    */
-
-    TBool InitL(TAudFileProperties aProperties, TInt aTargetSamplingRate, TChannelMode aChannelMode);
-
-    /*
-    * Feed the encoder
-    *
-    * @param    aEncFrame   encoded input frame
-    * @param    aDecbuffer  buffer for decoded output data
-    *
-    * @return   ETrue if output was generated, EFalse if more data is needed
-    */
-        
-    TBool FillDecBufferL(const HBufC8* aEncFrame, HBufC8*& aDecBuffer);
-    
-    
-
-protected:
-    
-    // constructL    
-    void ConstructL();
-    
-    // C++ constructor
-    CProcDecoder();
-    
-    // configure AAC decoder
-    // configure AAC Plus decoder
-    void ConfigureAACPlusDecoderL();
-    
-    // configure MP3 decoder
-    void ConfigureMP3DecoderL();
-    
-    // if input buffer is too small
-    void ReAllocBufferL( CMMFDataBuffer* aBuffer, TInt aNewMaxSize );
-    
-    // feed the codec
-    void FeedCodecL( CMMFCodec* aCodec, CMMFDataBuffer* aSourceBuffer, CMMFDataBuffer* aDestBuffer );
-    
-    // decode
-    TCodecProcessResult DecodeL( CMMFCodec* aCodec, CMMFDataBuffer* aInBuffer, CMMFDataBuffer* aOutBuffer);
- 
-    // is supported dest codec?
-    TBool GetIsSupportedSourceCodec();
-     
-    // set source codec
-    void SetSourceCodecL();
-     
-    // is codec available?
-    TBool CheckIfCodecAvailableL(const TDesC8& aCodecFourCCString, const TUid& aCodecUId );
- 
-    // update output buffer
-    TBool UpdateOutputBufferL(CMMFDataBuffer* aInBuffer);
-     
- protected:
-     
-    // properties of the input data
-    TAudFileProperties iProperties;
-    
-    // a flag to indicate if decoding can take place
-    TBool iReady;
-    
-    // Input buffer for decoder.
-    CMMFDataBuffer* iSourceInputBuffer;
-    
-    // Input buffer for encoder (alternative output buffer for decoder).
-    CMMFDataBuffer* iDestInputBuffer;
-    
-    CMMFDataBuffer* iSampleRateChannelBuffer;
-        
-    // Codec used in decoding input audio to PCM16
-    CMMFCodec* iSourceCodec;
-    
-    // Channel and sample rate converter
-    CRateConverter* iRateConverter;    
-    
-    // Whether audio converter needs to do channel and/or samplerate conversion.
-    TBool iDoSampleRateChannelConversion;
-    
-    // Whether decoding is required (not required if input is WAV)
-    TBool iDoDecoding;
-
-    // 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;
-    
-    // a pointer to store output buffer
-    HBufC8* iDecBuffer;
-   
-    // decimation factor for decoder
-    TInt iDecimFactor;
-
-    
-    };
-
-#endif