www.pudn.com > NeroSDK-v1.06.zip > WavSrcFactory.cpp

/****************************************************************************** 
|* 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: WavSrcFactory.cpp 
|* 
|* PURPOSE: Implementation of the wave source factory 
******************************************************************************/ 
 
 
#include "stdafx.h" 
 
#include "WavSrcFactory.h" 
 
#include "WavSrc.h" 
 
 
EXTERN_GUID(COMPID_SrcFactory, 0x459215ca, 0x50f5, 0x42cc, 0xbf, 0x51, 0x84, 0x38, 0x11, 0x9d, 0xee, 0x6c); 
 
extern IAudioPluginMgr* g_pPluginMgr; 
 
 
void CWavSrcFactory::GetID(GUID *pGUID) 
{ 
	ASSERT(pGUID); 
	if(pGUID) 
	memcpy(pGUID, &COMPID_SrcFactory, sizeof(GUID)); 
} 
 
const char* CWavSrcFactory::GetName() 
{ 
  return "PCM Wav file"; 
} 
 
EAudioComponentType CWavSrcFactory::GetType() 
{ 
  return ACT_AudioURLSourceFactory; 
} 
 
bool CWavSrcFactory::Init(IAudioPluginMgr* pMgr, IStatus** ppStatus) 
{ 
  if(NULL != ppStatus) 
  { 
    *ppStatus = NULL; 
  } 
 
  if(NULL != g_pPluginMgr) 
  { 
    ASSERT(g_pPluginMgr == pMgr); 
  } 
  else 
  { 
    g_pPluginMgr = pMgr; 
  } 
 
  // success 
  return true; 
} 
 
bool CWavSrcFactory::Done() 
{ 
  return true; 
} 
 
EAuxFlags CWavSrcFactory::GetAuxFlags() 
{ 
  return SRC_FLAGS; 
} 
 
EURLType CWavSrcFactory::GetSupportedURLTypes() 
{ 
  return URL_LocalFile; 
} 
 
// IExtEnum implementation 
int CWavSrcFactory::GetCount() 
{  
  return 2; 
} 
 
// The returned value can't be stored for later use. 
// The application must copy it. 
const char* CWavSrcFactory::GetExt(int iNum) 
{ 
  if(0 == iNum) 
  { 
    return "wav"; 
  } 
  else if(1 == iNum) 
  { 
    return "wave"; 
  } 
 
  ASSERT(FALSE); 
 
  return NULL; 
} 
 
bool CWavSrcFactory::Open(const char* szURL, 
                          IUnknown**  ppSrc, 
                          EAuxFlags flagsInclude, 
                          EAuxFlags flagsExclude, 
                          IStatus** ppStatus) 
{ 
  if(ppStatus) 
  { 
    *ppStatus = NULL; 
  } 
 
  CWavSrc* pSrc = new CWavSrc(szURL, (IAudioComponent*)this, ppStatus); 
 
  bool bOK = pSrc->IsOK(); 
 
  if(bOK) 
  { 
    *ppSrc = static_cast(pSrc); 
 
    (*ppSrc)->AddRef(); 
  } 
  else 
  { 
    delete pSrc; 
 
    *ppSrc = NULL; 
  } 
 
  return bOK; 
} 
 
long CWavSrcFactory::GetRefCount() 
{ 
  return m_lRef; 
} 
 
const char *CWavSrcFactory::GetVendorName() 
{ 
  return "Example Vendor"; 
} 
 
bool CWavSrcFactory::CanDisplayAboutBox() 
{ 
  return true; 
} 
 
void CWavSrcFactory::DisplayAboutBox() 
{ 
  AfxMessageBox("Nero Example PCM WAV plugin."); 
}