--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/mp3aacManipLib/inc/AACAPI.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,148 @@
+/*
+* 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 _MP3AACMANIPLIB_H_
+#define _MP3AACMANIPLIB_H_
+
+#include "tool.h"
+#include "sbr_codec.h"
+
+/*
+  Purpose:     AAC decoder core.
+  Explanation: - 
+
+    Implemented in aacaud.cpp
+*/
+
+class CAACAudDec : public CBase
+{
+    
+public:
+    
+    static CAACAudDec* NewL(int16 aNumCh, int16 aNumCCh);
+    ~CAACAudDec();
+    
+    void GetFIL(TBitStream *bs, uint32 prevEleID);
+    int32 extension_payload(TBitStream *bs, int32 cnt, uint32 prevEleID);
+    
+    int16 numCh;
+    int16 numCCh;
+    int16 numOutCh;
+    int16 samplesPerFrame;
+    
+    CToolInfo **tool;
+    CMC_Info* mc_info;
+    CCInfo **ccInfo;
+    CWindowInfo **winInfo;
+    
+    /*-- Huffman tables. --*/
+    Huffman_DecInfo **huf;
+    Huffman_DecSfInfo *sf_huf;
+    
+    SbrBitStream *sbrStream;
+    SBR_Decoder *sbrDecInfo;
+    
+private:
+    void ConstructL(int16 aNumCh, int16 aNumCCh);
+    CAACAudDec();
+    
+    TInt windowAmount;
+    
+};
+
+/*
+*    Methods for AAC gain manipulation -------------->
+*/
+
+/*-- Closes AAC decoder handle. --*/
+IMPORT_C CAACAudDec *
+DeleteAACAudDec(CAACAudDec *aac);
+
+/*-- Creates AAC decoder handle. --*/
+IMPORT_C void
+CreateAACAudDecL(CAACAudDec*& aDecHandle, int16 numCh, int16 numCCh);
+
+
+/*-- Creates (e)AAC+ decoder handle. --*/
+IMPORT_C uint8
+CreateAACPlusAudDecL(CAACAudDec *aDecHandle, int16 sampleRateIdx, uint8 isStereo, uint8 isDualMono);
+
+
+/*-- Initializes AAC decoder handle. --*/
+IMPORT_C void
+InitAACAudDec(CAACAudDec *aac, int16 profile, int16 sampleRateIdx, uint8 is960);
+
+/*-- Resets AAC decoder handle. --*/
+IMPORT_C void
+ResetAACAudDec(CAACAudDec *aac);
+
+/*-- Counts AAC frame length (and parses the frame at same cost). --*/
+IMPORT_C int16
+CountAACChunkLength(TBitStream *bs, CAACAudDec *aac, int16 *bytesInFrame);
+
+/*-- Stores global gain values. --*/
+IMPORT_C void
+SetAACGlobalGains(TBitStream* bs,
+                  uint8 numGains, uint8 *globalGain, uint32 *globalGainPos);
+
+
+IMPORT_C void
+SetAACPlusGlobalGains(TBitStream* bs, TBitStream* bsOut, CAACAudDec *aac, int16 gainChangeValue,
+                  uint8 numGains, uint8 *globalGain, uint32 *globalGainPos);
+
+
+/*-- Extracts global gain values. --*/
+IMPORT_C uint8
+GetAACGlobalGains(TBitStream* bs, CAACAudDec *aac, uint8 nBufs, uint8 *globalGain, uint32 *globalGainPos);
+
+/**
+ *
+ * Retrieves decoder specific information for the
+ * specified AAC encoder configuration. This information should be
+ * placed in the MP4/3GP header to describe the encoder
+ * parameters for the AAC decoder at the receiving end.
+ *
+ * @param aacInfo     Handle to AAC configuration information
+ * @param pBuf        Pointer to decoder specific information buffer
+ * @param nBytesInBuf Size of 'pBuf'
+ *
+ * @return          Number of bytes in 'pBuf'
+ */
+IMPORT_C int16
+AACGetMP4ConfigInfo(int32 sampleRate, uint8 profile, uint8 nChannels, int16 frameLen,
+                    uint8 *pBuf, uint8 nBytesInBuf);
+
+
+/*-- Checks whether parametric stereo enabled in the AAC bitstream. --*/
+IMPORT_C uint8
+IsAACParametricStereoEnabled(CAACAudDec *aac);
+
+
+
+/*-- Checks whether SBR enabled in the AAC bitstream. --*/
+IMPORT_C uint8
+IsAACSBREnabled(CAACAudDec *aac);
+
+
+/*
+* <-------    Methods for AAC gain manipulation
+*/
+
+#endif