--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/mp3aacManipLib/inc/Mp3API.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,208 @@
+/*
+* 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 _MP3API_
+#define    _MP3API_
+
+
+#include "defines.h"
+#include "mstream.h"
+
+
+
+
+
+/*
+   Purpose:     Structure interface for MP1/2/3 transport stream.
+   Explanation: - */
+class TMpTransportHandle
+{
+public:
+
+  TMPEG_Header header;
+  TMPEG_Header headerOld;
+
+  int16 SlotTable[15];
+  int16 FreeFormatSlots;      /*-- Number of bytes in free format frame.     */
+
+  int16 mainDataSlots;        /*-- Payload size.                             */
+
+  BOOL ms_stereo;             /* MS (Mid/Side) stereo used.                  */
+  BOOL is_stereo;             /* Intensity stereo used.                      */
+  BOOL lsf;                   /* MPEG-2 LSF stream present.                  */
+  BOOL mpeg25;                /* MPEG-2.5 stream present.                    */
+
+  /*-- Transport stream to be used/in use. --*/
+  SYNC_STATUS transportType;
+  SyncInfo syncInfo;
+
+  /*-- Exec state when seeking next MPx frame. --*/
+  int16 offsetBits;
+  ExecState execState;
+
+  /*-- CRC codeword. --*/
+  TCRC_Check crc;
+
+  /*-- Average number of bytes reserved for each frame. --*/
+  int32 aveFrameLen;
+  
+};
+
+
+/**
+ * Data structure for mp3 frame search.
+ */
+class TMpFrameState
+{
+public:
+  /**
+   * Number of read bytes when searching start of frame. 
+   * This value is within the input buffer and also the header
+   * is read after start of frame has been found.
+   */
+  int16 readBytes;
+
+  /**
+   * Number of header bytes present for current MP3 frame.
+   */
+  int16 headerBytes;
+
+  /**
+   * Number of payload bytes for current MP3 frame. The total frame
+   * size is 'headerBytes' + 'frameBytes'.
+   */
+  int16 frameBytes;
+
+  /**
+   * Total number of bytes read when searching the start of frame.
+   */
+  int32 totalReadBytes;
+
+};
+
+
+
+
+/*
+   Purpose:     Parameters of core engine.
+   Explanation: - */
+class CMPAudDec : public CBase
+{
+public:
+
+    IMPORT_C static CMPAudDec* NewL();
+    IMPORT_C ~CMPAudDec();
+    IMPORT_C void Init(TMpTransportHandle *aMpFileFormat);
+
+    /*-- Common to all layers. --*/
+    uint8 *bitReserv;
+    TMPEG_Frame *frame;
+
+    /*-- Layer III specific parameters. --*/
+    TBitStream br;
+    CHuffman *huffman;
+    CIII_Side_Info *side_info;
+
+    int16 PrevSlots;
+    //int32 FrameStart;
+    BOOL SkipBr;
+    BOOL WasSeeking;
+
+    /*-- Transport handle. --*/
+    TMpTransportHandle *mpFileFormat;
+
+  
+private:
+
+    CMPAudDec();
+    void ConstructL();
+
+};
+
+class CMp3Edit : public CBase
+    {
+
+public:
+
+    IMPORT_C static CMp3Edit* NewL();
+    IMPORT_C ~CMp3Edit();
+
+    IMPORT_C uint32
+    FileLengthInMs(TMpTransportHandle *tHandle, int32 fileSize) const;
+
+    IMPORT_C int32
+    GetSeekOffset(TMpTransportHandle *tHandle, int32 seekPos) const;
+
+    IMPORT_C int32
+    GetFrameTime(TMpTransportHandle *tHandle) const;
+
+    IMPORT_C void 
+    InitTransport(TMpTransportHandle *tHandle) const;
+
+    IMPORT_C int16
+    SeekSync(TMpTransportHandle *tHandle, uint8 *syncBuf, 
+            uint32 syncBufLen, int16 *readBytes, 
+            int16 *frameBytes, int16 *headerBytes,
+            uint8 initMode) const;
+
+    IMPORT_C int16
+        FreeMode(TMpTransportHandle *tHandle, uint8 *syncBuf, 
+        uint32 syncBufLen, int16 *readBytes, 
+        int16 *frameBytes, int16 *headerBytes) const;
+    
+    IMPORT_C int16
+        EstimateBitrate(TMpTransportHandle *tHandle, uint8 isVbr) const;
+    
+
+
+
+    /*-- Closes MPEG Layer I/II/III decoder handle. --*/
+    IMPORT_C CMPAudDec *
+        DeleteMPAudDec(CMPAudDec *mpAud);
+    
+    /*-- Creates MPEG Layer I/II/III decoder handle. --*/
+    IMPORT_C CMPAudDec *
+        CreateMPAudDec(void);
+    
+    /*-- Initializes MPEG Layer I/II/III decoder handle. --*/
+    IMPORT_C void
+        InitMPAudDec(CMPAudDec *mpAud, TMpTransportHandle *mpFileFormat);
+    
+    /*-- Resets MPEG Layer I/II/III decoder handle. --*/
+    IMPORT_C void
+        ResetMPAudDec(CMPAudDec *mpAud);
+    
+    /*-- Stores global gain values. --*/
+    IMPORT_C void
+        SetMPGlobalGains(TBitStream *bs, uint8 numGains, uint8 *globalGain, uint32 *gainPos);
+    
+    /*-- Extracts global gain values. --*/
+    IMPORT_C uint8
+        GetMPGlobalGains(TBitStream *bs, TMpTransportHandle *tHandle, uint8 *globalGain, uint32 *gainPos);
+
+private:
+    
+    void ConstructL();
+    CMp3Edit();
+
+    };
+
+
+#endif