www.pudn.com > NeroSDK-v1.06.zip > WavSrc.h

/****************************************************************************** 
|* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
|* ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
|* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
|* PARTICULAR PURPOSE. 
|*  
|* Copyright 1995-2005 Nero AG. All Rights Reserved. 
|*----------------------------------------------------------------------------- 
|* PROJECT: Nero Plugin Manager Example 
|* 
|* FILE: WavTgt.h 
|* 
|* PURPOSE: Declaration file for the wave target class 
******************************************************************************/ 
 
#ifndef _WAV_SRC_ 
# define _WAV_SRC_ 
 
#if _MSC_VER > 1000 
# pragma once 
#endif // _MSC_VER > 1000 
 
 
// CStatus and CAggregatable  
#include "AudioBase.h" 
 
// wave format definitions 
#include "WavFormat.h" 
 
// source info dialog 
#include "dlg_WavSrcInfo.h" 
 
 
class CWavSrc : public  CAggregatable, 
                public  IURLHolder, 
                public  IProcess, 
                public  IAudioItem, 
                public  IAudioSource, 
                public  IAudioRawReader, 
                public  ISeekable, 
                public  IAudioRawBlockInfo, 
                public  ISrcInfoViewerEditor, 
                public  IInfoReader, 
                public  SWavCommon 
{ 
// Construction/Destruction 
public: 
 
  CWavSrc(const char* szURL, IAudioComponent* pCreator, IStatus** ppStatus); 
  virtual ~CWavSrc(); 
 
// Operations 
public: 
 
  AGGREGATABLE_INTERFACE_MAP_BEGIN 
    INTERFACE_ENTRY(IURLHolder) 
    INTERFACE_ENTRY(IAudioItem) 
    INTERFACE_ENTRY(IProcess) 
    INTERFACE_ENTRY(IAudioSource) 
    INTERFACE_ENTRY(IAudioRawReader) 
    INTERFACE_ENTRY(ISeekable) 
    INTERFACE_ENTRY(IAudioRawBlockInfo) 
    INTERFACE_ENTRY(ISrcInfoViewerEditor) 
    INTERFACE_ENTRY(IInfoReader) 
  AGGREGATABLE_INTERFACE_MAP_END 
 
                                 
  // IURLHolder 
  virtual bool SetURL(const char* szURL, IStatus** ppStatus); 
  virtual const char* GetURL(); 
  virtual EURLType GetType(); 
                                 
  // IProcess 
  virtual bool Start(IStatus** ppStatus); 
  virtual bool End(IStatus** ppStatus); 
  virtual bool IsInProcess(); 
                                 
  // IAudioItem 
  virtual bool GetCreator(IAudioComponent** pCreator); 
 
  virtual EAuxFlags GetAuxFlags(); 
 
  virtual void SetAuxFlags(EAuxFlags flags); 
                                 
  // IAudioSource 
  virtual SWavFormat GetRawFormat(); 
 
  // iBufSize must contain the size in bytes of the buffer pointed by pBuf. 
  virtual bool RawRead( BYTE* pBuf, int iBufSize, int* piRead, 
                        EAudioRawState &state, 
                        IStatus** ppStatus); 
 
  // Returns free-form text string about the item. 
  virtual const char * GetInfo(); 
 
  // Returns the file duration in milliseconds. 
  virtual ULONGLONG GetDuration(); 
 
  // Returns RAW data length in bytes. 
  virtual ULONGLONG GetRawLen(); 
                                 
  // ISeekable 
  virtual bool Seek(ULONGLONG pos, IStatus** ppStatus); 
  virtual ULONGLONG GetPos(); 
  virtual ULONGLONG GetBlockSize(); 
  virtual ULONGLONG GetDataLength(); 
                             
  // ISrcInfoViewerEditor 
  virtual bool GetCallback(ISrcInfoCallback** ppCB); 
  virtual void SetCallback(ISrcInfoCallback* pNewCallback); 
  virtual bool DoModal(IStatus** ppStatus); 
  virtual bool CloseModal(IStatus** ppStatus); 
  virtual bool SaveDialogToObject(IStatus** ppStatus); 
  virtual bool SaveObjectToFile(IStatus** ppStatus); 
  virtual bool CanSaveObjectToFile(); 
                                 
  // IInfoReader 
  virtual const char* GetTitle(); 
  virtual const char* GetArtist(); 
  virtual const char* GetAlbum(); 
  virtual const char* GetYear(); 
  virtual const char* GetGenre(); 
 
  virtual HRESULT ReadMMIO(); 
                               
// others 
public: 
  virtual PCMWAVEFORMAT GetWavSrcFormat(); 
  virtual HANDLE GetFileHandle(); 
  bool    IsOK() { return m_bOK; }; 
 
// Data 
protected: 
  CComPtr   m_pCallback; 
  CWavSrcInfoDlg*             m_pAdvInfoDlg; 
 
  // the object 
  HANDLE  m_hFile; 
 
  bool    m_bRiffChunk; 
  bool    m_bWavChunk; 
 
  DWORD   m_dwDataStart; 
           
  // size of RAW in bytes 
  DWORD   m_dwDataLen; 
 
  // current position in bytes 
  DWORD   m_dwCurPos; 
 
  PCMWAVEFORMAT   m_format; 
  ULONGLONG       m_qwDuration; 
  int             m_iBlockSize; 
 
  CString         m_csURL; 
 
  // free-form text info 
  CString         m_csInfo; 
 
  bool            m_bOK; 
  bool            m_bStarted; 
 
  CComPtr  m_pCreator; 
}; 
 
 
#endif //_WAV_SRC_