audplin.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:7k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #define INITGUID
- #include "hxcom.h"
- #include <stdio.h>
- #ifndef _WINCE
- #include <signal.h>
- #endif
- #include "hxtypes.h"
- #include "hxcomm.h"
- #include "hxengin.h"
- #include "ihxpckts.h"
- #include "hxvalue.h"
- #include "hxfiles.h"
- #include "hxcore.h"
- #include "hxprefs.h"
- #include "hxrendr.h"
- #include "hxplugn.h"
- #include "hxupgrd.h"
- #include "hxausvc.h"
- #include "netbyte.h"
- #include "hxheap.h"
- #include "hxstrutl.h"
- #include "hxslist.h"
- #include "hxformt.h"
- #include "hxpends.h"
- #include "hxwin.h"
- #include "hxvalue.h"
- #include "baseobj.h"
- #if defined(HELIX_FEATURE_AUDIO_WAVE)
- #include "wvffplin.h"
- #include "audrend.h"
- #include "pcmrend.h"
- #endif /* #if defined(HELIX_FEATURE_AUDIO_WAVE) */
- #if defined(HELIX_FEATURE_PLAYBACK_LOCAL)
- #if defined(HELIX_FEATURE_AUDIO_CODEC_AMRNB) || defined(HELIX_FEATURE_AUDIO_CODEC_AMRWB)
- #define INCLUDE_AMRFF
- #endif /* #if defined(HELIX_FEATURE_AUDIO_CODEC_AMRNB) || defined(HELIX_FEATURE_AUDIO_CODEC_AMRWB) */
- #endif /* #if defined(HELIX_FEATURE_PLAYBACK_LOCAL) */
- #if defined(INCLUDE_AMRFF)
- #include "amrff.h"
- #endif /* #if defined(INCLUDE_AMRFF) */
- #if defined(HELIX_FEATURE_AUDIO_MPEG4)
- #include "hxacodec.h"
- #include "mp4audio.h"
- #endif /* #if defined(HELIX_FEATURE_AUDIO_MPEG4) */
- #include "audplin.h"
- #if !defined(HELIX_FEATURE_DLLACCESS_CLIENT)
- #include "dllpath.h"
- ENABLE_DLLACCESS_PATHS(audplin);
- #endif // HELIX_FEATURE_DLLACCESS_CLIENT
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static char HX_THIS_FILE[] = __FILE__;
- #endif
- HX_RESULT (STDAPICALLTYPE * const AudioPluginFactory::m_fpEntryArray[])(IUnknown**)=
- {
- #if defined(HELIX_FEATURE_AUDIO_WAVE)
- CWaveFileFormat::HXCreateInstance,
- CPCMAudioRenderer::HXCreateInstance,
- #endif /* #if defined(HELIX_FEATURE_AUDIO_WAVE) */
- #if defined(INCLUDE_AMRFF)
- CAMRFileFormat::HXCreateInstance,
- #endif /* #if defined(INCLUDE_AMRFF) */
- #if defined(HELIX_FEATURE_AUDIO_MPEG4)
- CMP4AudioRenderer::HXCreateInstance,
- #endif /* #if defined(HELIX_FEATURE_AUDIO_MPEG4) */
- NULL
- };
- HX_RESULT (STDAPICALLTYPE* const AudioPluginFactory::m_fpUnloadArray[])()={
- #if defined(HELIX_FEATURE_AUDIO_WAVE)
- CWaveFileFormat::CanUnload2,
- CPCMAudioRenderer::CanUnload2,
- #endif /* #if defined(HELIX_FEATURE_AUDIO_WAVE) */
- #if defined(INCLUDE_AMRFF)
- CAMRFileFormat::CanUnload2,
- #endif /* #if defined(INCLUDE_AMRFF) */
- #if defined(HELIX_FEATURE_AUDIO_MPEG4)
- CMP4AudioRenderer::CanUnload2,
- #endif /* #if defined(HELIX_FEATURE_AUDIO_MPEG4) */
- NULL
- };
- STDAPI ENTRYPOINT(HXCREATEINSTANCE)(IUnknown** ppIUnknown)
- {
- *ppIUnknown = (IUnknown*)(IHXPlugin*)new AudioPluginFactory();
- if (*ppIUnknown)
- {
- (*ppIUnknown)->AddRef();
- return HXR_OK;
- }
- return HXR_OUTOFMEMORY;
- }
- STDAPI ENTRYPOINT(CanUnload2)(void)
- {
- for( int i=0; AudioPluginFactory::m_fpUnloadArray[i]; i++ )
- {
- if( (AudioPluginFactory::m_fpUnloadArray[i])() != HXR_OK )
- {
- return HXR_FAIL;
- }
- }
- return HXR_OK;
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // AudioPluginFactory
- // Purpose:
- // Constructor. Counts the number of functions within the
- // Entry Array. Would have liked to use:
- // return (sizeof(m_fpEntryArray)/sizeof(m_fpEntryArray[0]))-1;
- // But for some strange reason the complier spits at it...
- //
- AudioPluginFactory::AudioPluginFactory() :
- m_lRefCount(0)
- {
- for(m_usNumOfPlugins=0;m_fpEntryArray[m_usNumOfPlugins];m_usNumOfPlugins++) ;
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::QueryInterface
- // Purpose:
- // Implement this to export the interfaces supported by your
- // object.
- //
- STDMETHODIMP AudioPluginFactory::QueryInterface(REFIID riid, void** ppvObj)
- {
- if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown *)this;
- return HXR_OK;
- }
- else if (IsEqualIID(riid, IID_IHXPluginFactory))
- {
- AddRef();
- *ppvObj = (IHXPluginFactory *)this;
- return HXR_OK;
- }
- *ppvObj = NULL;
- return HXR_NOINTERFACE;
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // AudioPluginFactory::AddRef
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) AudioPluginFactory::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // AudioPluginFactory::Release
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) AudioPluginFactory::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
-
- delete this;
- return 0;
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // AudioPluginFactory::GetNumPlugins
- // Purpose:
- // Returns an int, the number of plugins in this DLL.
- //
- //
- STDMETHODIMP_(UINT16) AudioPluginFactory::GetNumPlugins()
- {
- return m_usNumOfPlugins;
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // AudioPluginFactory::GetPlugin
- // Purpose:
- // Returns an IUnknown Reference to the specified Interface
- //
- //
- STDMETHODIMP AudioPluginFactory::GetPlugin(UINT16 uindex, IUnknown** pPlugin)
- {
- if (uindex<m_usNumOfPlugins)
- return m_fpEntryArray[uindex](pPlugin);
- *pPlugin=0;
- return HXR_NOINTERFACE;
- }