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752 lines
24 KiB
752 lines
24 KiB
// Copyright (c) 1996 - 1999 Microsoft Corporation. All Rights Reserved.
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#ifndef __DYNLINK_H__
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#define __DYNLINK_H__
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// Add DYNLINKAVI to the class definition statement
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// for all classes that use AVI/VFW function
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// to enable dynamic linking to AVI. That, and #includ'ing this file
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// should be the only thing you need to do
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//
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// For example:
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// class CAVIDec : public CTransformFilter DYNLINKAVI DYNLINKVFW
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//
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// In the case where the filter is being built into its own DLL dynamic
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// linking is not enabled and DYNLINKAVI is #define'd to nothing.
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//
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// If the class in which you want to use dynamic linking does not
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// inherit from anything else use _DYNLINKAVI or _DYNLINKVFW
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//
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// For example:
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// class CNoInherit : _DYNLINKAVI
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// or
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// class CNoInherit : _DYNLINKVFW
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// or
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// class CNoInterit : _DYNLINKVFW DYNLINKAVI //etc...
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//
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#define NODRAWDIB
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#define NOAVIFMT
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#include <vfw.h> // we need the avi definitions
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#include <urlmon.h>
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#ifdef FILTER_DLL
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#define DYNLINKAVI
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#define DYNLINKVFW
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#define DYNLINKACM
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#define DYNLINKURLMON
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#define _DYNLINKAVI
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#define _DYNLINKVFW
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#define _DYNLINKACM
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#define _DYNLINKURLMON
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#else
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// Add DYNLINKAVI at the end of the class definition statement
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// for all classes that use AVI/VFW function
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// to enable dynamic linking to AVI. That, and #includ'ing this file
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// should be the only thing you need to do
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// define string that will bind dynamic linking to the class definition
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#define DYNLINKAVI , CAVIDynLink
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#define DYNLINKVFW , CVFWDynLink
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#define DYNLINKACM , CACMDynLink
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#define DYNLINKURLMON , CURLMonDynLink
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// for those classes that have no inheritance and still want dynamic linking
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#define _DYNLINKAVI CAVIDynLink
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#define _DYNLINKVFW CVFWDynLink
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#define _DYNLINKACM CACMDynLink
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#define _DYNLINKURLMON CURLMonDynLink
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//
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// typedef the AVIFILE API set that we redirect
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//
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typedef HRESULT (STDAPICALLTYPE *pAVIFileOpenW )(PAVIFILE FAR * ppfile, LPCWSTR szFile, UINT uMode, LPCLSID lpHandler);
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typedef HRESULT (STDAPICALLTYPE *pAVIStreamRead)(PAVISTREAM pavi, LONG lStart, LONG lSamples, LPVOID lpBuffer, LONG cbBuffer, LONG FAR * plBytes, LONG FAR * plSamples);
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typedef LONG (STDAPICALLTYPE *pAVIStreamStart) (PAVISTREAM pavi);
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typedef LONG (STDAPICALLTYPE *pAVIStreamLength) (PAVISTREAM pavi);
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typedef LONG (STDAPICALLTYPE *pAVIStreamTimeToSample)(PAVISTREAM pavi, LONG lTime);
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typedef LONG (STDAPICALLTYPE *pAVIStreamSampleToTime)(PAVISTREAM pavi, LONG lSample);
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typedef HRESULT (STDAPICALLTYPE *pAVIStreamBeginStreaming)(PAVISTREAM pavi, LONG lStart, LONG lEnd, LONG lRate);
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typedef HRESULT (STDAPICALLTYPE *pAVIStreamEndStreaming)(PAVISTREAM pavi);
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typedef LONG (STDAPICALLTYPE *pAVIStreamFindSample)(PAVISTREAM pavi, LONG lPos, LONG lFlags);
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#undef AVIStreamEnd // sigh... nasty AVI macro
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//
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// Class to link dynamically to AVIFIL32.DLL entry points
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//
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class CAVIDynLink {
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private:
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static HMODULE m_hAVIFile32; // handle to AVIFIL32
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static LONG m_dynlinkCount; // instance count for this process
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static CRITICAL_SECTION m_LoadAVILock; // serialise constructor/destructor
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public:
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static void CAVIDynLinkLoad() {
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InitializeCriticalSection(&CAVIDynLink::m_LoadAVILock); // serialise constructor/destructor
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}
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static void CAVIDynLinkUnload() {
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DeleteCriticalSection(&CAVIDynLink::m_LoadAVILock); // serialise constructor/destructor
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}
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static void AVIFileInit(void);
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static void AVIFileExit(void);
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static HRESULT AVIFileOpenW (PAVIFILE FAR * ppfile, LPCWSTR szFile,
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UINT uMode, LPCLSID lpHandler);
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static HRESULT AVIStreamRead(PAVISTREAM pavi,
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LONG lStart,
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LONG lSamples,
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LPVOID lpBuffer,
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LONG cbBuffer,
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LONG FAR * plBytes,
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LONG FAR * plSamples)
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{
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return(pavi->Read(lStart, lSamples, lpBuffer, cbBuffer, plBytes, plSamples));
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}
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static LONG AVIStreamStart(PAVISTREAM pavi)
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{
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AVISTREAMINFOW aviStreamInfo;
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HRESULT hr;
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hr = pavi->Info(&aviStreamInfo, sizeof(aviStreamInfo));
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if (hr!=NOERROR) {
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aviStreamInfo.dwStart=0;
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}
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return(LONG)aviStreamInfo.dwStart;
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//return(((pAVIStreamStart)aAVIEntries[indxAVIStreamStart])(pavi));
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}
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static LONG AVIStreamLength(PAVISTREAM pavi)
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{
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AVISTREAMINFOW aviStreamInfo;
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HRESULT hr;
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hr = pavi->Info(&aviStreamInfo, sizeof(aviStreamInfo));
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if (hr!=NOERROR) {
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aviStreamInfo.dwLength=1;
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}
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return (LONG)aviStreamInfo.dwLength;
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//return(((pAVIStreamLength)aAVIEntries[indxAVIStreamLength])(pavi));
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}
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/*static*/ LONG AVIStreamTimeToSample (PAVISTREAM pavi, LONG lTime);
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/*static*/ LONG AVIStreamSampleToTime (PAVISTREAM pavi, LONG lSample);
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/*static*/ HRESULT AVIStreamBeginStreaming(PAVISTREAM pavi, LONG lStart, LONG lEnd, LONG lRate);
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/*static*/ HRESULT AVIStreamEndStreaming(PAVISTREAM pavi);
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static LONG AVIStreamFindSample(PAVISTREAM pavi, LONG lPos, LONG lFlags)
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{
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// The use of AVIStreamFindSample within Quartz ALWAYS set the type
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// and direction
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ASSERT(lFlags & FIND_TYPE);
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ASSERT(lFlags & FIND_DIR);
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return(pavi->FindSample(lPos, lFlags));
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//return(((pAVIStreamFindSample)aAVIEntries[indxAVIStreamFindSample])(pavi));
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}
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static LONG AVIStreamEnd(PAVISTREAM pavi)
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{
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AVISTREAMINFOW aviStreamInfo;
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HRESULT hr;
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hr = pavi->Info(&aviStreamInfo, sizeof(aviStreamInfo));
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if (hr!=NOERROR) {
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aviStreamInfo.dwStart=0;
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aviStreamInfo.dwLength=1;
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}
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return (LONG)aviStreamInfo.dwLength + (LONG)aviStreamInfo.dwStart;
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//return(((pAVIStreamStart)aAVIEntries[indxAVIStreamStart])(pavi)
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// + ((pAVIStreamLength)aAVIEntries[indxAVIStreamLength])(pavi));
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}
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CAVIDynLink();
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~CAVIDynLink();
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private:
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// make copy and assignment inaccessible
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CAVIDynLink(const CAVIDynLink &refAVIDynLink);
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CAVIDynLink &operator=(const CAVIDynLink &refAVIDynLink);
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};
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//
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// Class for dynamic linking to MSVFW32.DLL
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//
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// Most of the IC API set are macros that call ICSendMessage. There are
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// a couple of awkward ones that we expand inline.
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//
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//
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// Dynamically loaded array of entry points
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//
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extern FARPROC aVFWEntries[];
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//
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// List of index entries into the array for each redirected API
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//
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#define indxICClose 0
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#define indxICSendMessage 1
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#define indxICLocate 2
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#define indxICOpen 3
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#define indxICInfo 4
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#define indxICGetInfo 5
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//
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// typedef the API set that we redirect
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//
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typedef LRESULT (WINAPI *pICClose)(HIC hic);
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typedef HIC (WINAPI *pICLocate)(DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut, WORD wFlags);
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typedef LRESULT (WINAPI *pICSendMessage)(HIC hic, UINT msg, DWORD_PTR dw1, DWORD_PTR dw2);
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typedef HIC (VFWAPI *pICOpen)(DWORD fccType, DWORD fccHandler, UINT wMode);
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typedef BOOL (VFWAPI *pICInfo)(DWORD fccType, DWORD fccHandler, ICINFO FAR* lpicinfo);
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typedef BOOL (VFWAPI *pICGetInfo)(HIC hic, ICINFO FAR* lpicinfo, DWORD cb);
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class CVFWDynLink {
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private:
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static HMODULE m_hVFW; // handle to MSVFW32
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static LONG m_vfwlinkCount; // instance count for this process
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static CRITICAL_SECTION m_LoadVFWLock; // serialise constructor/destructor
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public:
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static void CVFWDynLinkLoad()
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{
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InitializeCriticalSection(&m_LoadVFWLock); // serialise constructor/destructor
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}
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static void CVFWDynLinkUnload()
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{
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DeleteCriticalSection(&m_LoadVFWLock); // serialise constructor/destructor
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}
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static DWORD_PTR ICDecompress(
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HIC hic,
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DWORD dwFlags, // flags (from AVI index...)
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LPBITMAPINFOHEADER lpbiFormat, // BITMAPINFO of compressed data
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// biSizeImage has the chunk size
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// biCompression has the ckid (AVI only)
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LPVOID lpData, // data
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LPBITMAPINFOHEADER lpbi, // DIB to decompress to
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LPVOID lpBits)
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{
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ICDECOMPRESS icd;
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icd.dwFlags = dwFlags;
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icd.lpbiInput = lpbiFormat;
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icd.lpInput = lpData;
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icd.lpbiOutput = lpbi;
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icd.lpOutput = lpBits;
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icd.ckid = 0;
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return ICSendMessage(hic, ICM_DECOMPRESS, (DWORD_PTR)(LPVOID)&icd, sizeof(ICDECOMPRESS));
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}
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static LRESULT CVFWDynLink::ICClose(HIC hic)
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{
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return((((pICClose)aVFWEntries[indxICClose]))(hic));
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}
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static HIC ICLocate(DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut, WORD wFlags)
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{
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return((((pICLocate)aVFWEntries[indxICLocate]))(fccType, fccHandler, lpbiIn, lpbiOut, wFlags));
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}
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static LRESULT ICSendMessage(HIC hic, UINT msg, DWORD_PTR dw1, DWORD_PTR dw2)
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{
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return((((pICSendMessage)aVFWEntries[indxICSendMessage]))(hic, msg, dw1, dw2));
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}
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static HIC ICOpen(DWORD fccType, DWORD fccHandler, UINT wMode)
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{
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return((((pICOpen)aVFWEntries[indxICOpen]))(fccType, fccHandler, wMode));
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}
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static BOOL ICInfo(DWORD fccType, DWORD fccHandler, ICINFO* lpicinfo)
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{
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return((((pICInfo)aVFWEntries[indxICInfo]))(fccType, fccHandler, lpicinfo));
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}
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static BOOL ICGetInfo(HIC hic, ICINFO* lpicinfo, DWORD cb)
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{
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return((((pICGetInfo)aVFWEntries[indxICGetInfo]))(hic, lpicinfo, cb));
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}
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static LRESULT ICDecompressEx(
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HIC hic,
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DWORD dwFlags,
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LPBITMAPINFOHEADER lpbiSrc,
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LPVOID lpSrc,
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int xSrc,int ySrc,int dxSrc,int dySrc,LPBITMAPINFOHEADER lpbiDst,
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LPVOID lpDst,
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int xDst,int yDst,int dxDst,int dyDst)
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{
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ICDECOMPRESSEX ic;
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ic.dwFlags = dwFlags;
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ic.lpbiSrc = lpbiSrc;
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ic.lpSrc = lpSrc;
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ic.xSrc = xSrc;
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ic.ySrc = ySrc;
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ic.dxSrc = dxSrc;
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ic.dySrc = dySrc;
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ic.lpbiDst = lpbiDst;
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ic.lpDst = lpDst;
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ic.xDst = xDst;
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ic.yDst = yDst;
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ic.dxDst = dxDst;
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ic.dyDst = dyDst;
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// note that ICM swaps round the length and pointer
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// length in lparam2, pointer in lparam1
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return ICSendMessage(hic, ICM_DECOMPRESSEX, (DWORD_PTR)&ic, sizeof(ic));
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}
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static LRESULT ICDecompressExQuery(
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HIC hic,
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DWORD dwFlags,
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LPBITMAPINFOHEADER lpbiSrc,
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LPVOID lpSrc,
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int xSrc,int ySrc,int dxSrc,int dySrc,
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LPBITMAPINFOHEADER lpbiDst,
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LPVOID lpDst,
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int xDst,int yDst,int dxDst,int dyDst)
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{
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ICDECOMPRESSEX ic;
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ic.dwFlags = dwFlags;
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ic.lpbiSrc = lpbiSrc;
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ic.lpSrc = lpSrc;
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ic.xSrc = xSrc;
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ic.ySrc = ySrc;
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ic.dxSrc = dxSrc;
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ic.dySrc = dySrc;
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ic.lpbiDst = lpbiDst;
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ic.lpDst = lpDst;
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ic.xDst = xDst;
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ic.yDst = yDst;
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ic.dxDst = dxDst;
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ic.dyDst = dyDst;
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// note that ICM swaps round the length and pointer
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// length in lparam2, pointer in lparam1
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return ICSendMessage(hic, ICM_DECOMPRESSEX_QUERY, (DWORD_PTR)&ic, sizeof(ic));
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}
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static LRESULT ICDecompressExBegin(
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HIC hic,
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DWORD dwFlags,
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LPBITMAPINFOHEADER lpbiSrc,
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LPVOID lpSrc,
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int xSrc,int ySrc,int dxSrc,int dySrc,
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LPBITMAPINFOHEADER lpbiDst,
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LPVOID lpDst,
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int xDst,int yDst,int dxDst,int dyDst)
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{
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ICDECOMPRESSEX ic;
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ic.dwFlags = dwFlags;
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ic.lpbiSrc = lpbiSrc;
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ic.lpSrc = lpSrc;
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ic.xSrc = xSrc;
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ic.ySrc = ySrc;
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ic.dxSrc = dxSrc;
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ic.dySrc = dySrc;
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ic.lpbiDst = lpbiDst;
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ic.lpDst = lpDst;
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ic.xDst = xDst;
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ic.yDst = yDst;
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ic.dxDst = dxDst;
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ic.dyDst = dyDst;
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// note that ICM swaps round the length and pointer
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// length in lparam2, pointer in lparam1
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return ICSendMessage(hic, ICM_DECOMPRESSEX_BEGIN, (DWORD_PTR)&ic, sizeof(ic));
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}
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static DWORD_PTR VFWAPIV ICDrawBegin(
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HIC hic,
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DWORD dwFlags, // flags
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HPALETTE hpal, // palette to draw with
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HWND hwnd, // window to draw to
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HDC hdc, // HDC to draw to
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int xDst, // destination rectangle
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int yDst,
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int dxDst,
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int dyDst,
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LPBITMAPINFOHEADER lpbi, // format of frame to draw
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int xSrc, // source rectangle
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int ySrc,
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int dxSrc,
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int dySrc,
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DWORD dwRate, // frames/second = (dwRate/dwScale)
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DWORD dwScale)
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{
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ICDRAWBEGIN icdraw;
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icdraw.dwFlags = dwFlags;
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icdraw.hpal = hpal;
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icdraw.hwnd = hwnd;
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icdraw.hdc = hdc;
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icdraw.xDst = xDst;
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icdraw.yDst = yDst;
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icdraw.dxDst = dxDst;
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icdraw.dyDst = dyDst;
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icdraw.lpbi = lpbi;
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icdraw.xSrc = xSrc;
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icdraw.ySrc = ySrc;
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icdraw.dxSrc = dxSrc;
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icdraw.dySrc = dySrc;
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icdraw.dwRate = dwRate;
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icdraw.dwScale = dwScale;
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return ICSendMessage(hic, ICM_DRAW_BEGIN, (DWORD_PTR)(LPVOID)&icdraw, sizeof(ICDRAWBEGIN));
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}
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static DWORD_PTR VFWAPIV ICDraw(
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HIC hic,
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DWORD dwFlags, // flags
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LPVOID lpFormat, // format of frame to decompress
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LPVOID lpData, // frame data to decompress
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DWORD cbData, // size in bytes of data
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LONG lTime) // time to draw this frame (see drawbegin dwRate and dwScale)
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{
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ICDRAW icdraw;
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icdraw.dwFlags = dwFlags;
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icdraw.lpFormat = lpFormat;
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icdraw.lpData = lpData;
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icdraw.cbData = cbData;
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icdraw.lTime = lTime;
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return ICSendMessage(hic, ICM_DRAW, (DWORD_PTR)(LPVOID)&icdraw, sizeof(ICDRAW));
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}
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CVFWDynLink();
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~CVFWDynLink();
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private:
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// make copy and assignment inaccessible
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CVFWDynLink(const CVFWDynLink &refVFWDynLink);
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CVFWDynLink &operator=(const CVFWDynLink &refVFWDynLink);
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};
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//
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// Class for dynamic linking to MSACM32.DLL
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//
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//
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// Dynamically loaded array of entry points
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//
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extern FARPROC aACMEntries[];
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//
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// List of index entries into the array for each redirected API
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//
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#define indxacmStreamConvert 0
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#define indxacmStreamSize 1
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#define indxacmStreamPrepareHeader 2
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#define indxacmMetrics 3
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#define indxacmStreamUnprepareHeader 4
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#define indxacmStreamOpen 5
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#define indxacmFormatSuggest 6
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#define indxacmStreamClose 7
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#ifdef UNICODE
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# define indxacmFormatEnumW 8
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#else
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# define indxacmFormatEnumA 8
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#endif
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//
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// typedef the API set that we redirect
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//
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typedef MMRESULT (ACMAPI *pacmStreamConvert)(HACMSTREAM has, LPACMSTREAMHEADER pash, DWORD fdwConvert);
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typedef MMRESULT (ACMAPI *pacmStreamSize)
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(
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HACMSTREAM has,
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DWORD cbInput,
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LPDWORD pdwOutputBytes,
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DWORD fdwSize
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);
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typedef MMRESULT (ACMAPI *pacmStreamPrepareHeader)
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(
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HACMSTREAM has,
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LPACMSTREAMHEADER pash,
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DWORD fdwPrepare
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);
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typedef MMRESULT (ACMAPI *pacmMetrics)
|
|
(
|
|
HACMOBJ hao,
|
|
UINT uMetric,
|
|
LPVOID pMetric
|
|
);
|
|
typedef MMRESULT (ACMAPI *pacmStreamUnprepareHeader)
|
|
(
|
|
HACMSTREAM has,
|
|
LPACMSTREAMHEADER pash,
|
|
DWORD fdwUnprepare
|
|
);
|
|
typedef MMRESULT (ACMAPI *pacmStreamOpen)
|
|
(
|
|
LPHACMSTREAM phas, // pointer to stream handle
|
|
HACMDRIVER had, // optional driver handle
|
|
LPWAVEFORMATEX pwfxSrc, // source format to convert
|
|
LPWAVEFORMATEX pwfxDst, // required destination format
|
|
LPWAVEFILTER pwfltr, // optional filter
|
|
DWORD_PTR dwCallback, // callback
|
|
DWORD_PTR dwInstance, // callback instance data
|
|
DWORD fdwOpen // ACM_STREAMOPENF_* and CALLBACK_*
|
|
);
|
|
typedef MMRESULT (ACMAPI *pacmFormatSuggest)
|
|
(
|
|
HACMDRIVER had,
|
|
LPWAVEFORMATEX pwfxSrc,
|
|
LPWAVEFORMATEX pwfxDst,
|
|
DWORD cbwfxDst,
|
|
DWORD fdwSuggest
|
|
);
|
|
typedef MMRESULT (ACMAPI *pacmStreamClose)
|
|
(
|
|
HACMSTREAM has,
|
|
DWORD fdwClose
|
|
);
|
|
typedef MMRESULT (ACMAPI *pacmFormatEnumA)
|
|
(
|
|
HACMDRIVER had,
|
|
LPACMFORMATDETAILSA pafd,
|
|
ACMFORMATENUMCBA fnCallback,
|
|
DWORD_PTR dwInstance,
|
|
DWORD fdwEnum
|
|
);
|
|
|
|
typedef MMRESULT (ACMAPI *pacmFormatEnumW)
|
|
(
|
|
HACMDRIVER had,
|
|
LPACMFORMATDETAILSW pafd,
|
|
ACMFORMATENUMCBW fnCallback,
|
|
DWORD_PTR dwInstance,
|
|
DWORD fdwEnum
|
|
);
|
|
|
|
|
|
class CACMDynLink {
|
|
|
|
private:
|
|
static HMODULE m_hACM; // handle to MSVFW32
|
|
static LONG m_ACMlinkCount; // instance count for this process
|
|
static CRITICAL_SECTION m_LoadACMLock; // serialise constructor/destructor
|
|
|
|
public:
|
|
static void CACMDynLinkLoad()
|
|
{
|
|
InitializeCriticalSection(&m_LoadACMLock); // serialise constructor/destructor
|
|
}
|
|
static void CACMDynLinkUnload()
|
|
{
|
|
DeleteCriticalSection(&m_LoadACMLock); // serialise constructor/destructor
|
|
}
|
|
|
|
static MMRESULT ACMAPI acmStreamConvert(HACMSTREAM has, LPACMSTREAMHEADER pash, DWORD fdwConvert)
|
|
{
|
|
return((((pacmStreamConvert)aACMEntries[indxacmStreamConvert]))(has, pash, fdwConvert));
|
|
}
|
|
|
|
static MMRESULT ACMAPI acmStreamSize
|
|
(
|
|
HACMSTREAM has,
|
|
DWORD cbInput,
|
|
LPDWORD pdwOutputBytes,
|
|
DWORD fdwSize
|
|
)
|
|
{
|
|
return((((pacmStreamSize)aACMEntries[indxacmStreamSize]))(has, cbInput, pdwOutputBytes, fdwSize));
|
|
}
|
|
|
|
|
|
static MMRESULT ACMAPI acmStreamPrepareHeader
|
|
(
|
|
HACMSTREAM has,
|
|
LPACMSTREAMHEADER pash,
|
|
DWORD fdwPrepare
|
|
)
|
|
{
|
|
return((((pacmStreamPrepareHeader)aACMEntries[indxacmStreamPrepareHeader]))(has, pash, fdwPrepare));
|
|
}
|
|
|
|
static MMRESULT ACMAPI acmMetrics
|
|
(
|
|
HACMOBJ hao,
|
|
UINT uMetric,
|
|
LPVOID pMetric
|
|
)
|
|
{
|
|
return((((pacmMetrics)aACMEntries[indxacmMetrics]))(hao, uMetric, pMetric));
|
|
}
|
|
|
|
static MMRESULT ACMAPI acmStreamUnprepareHeader
|
|
(
|
|
HACMSTREAM has,
|
|
LPACMSTREAMHEADER pash,
|
|
DWORD fdwUnprepare
|
|
)
|
|
{
|
|
return((((pacmStreamUnprepareHeader)aACMEntries[indxacmStreamUnprepareHeader]))(has, pash, fdwUnprepare));
|
|
}
|
|
|
|
static MMRESULT ACMAPI acmStreamOpen
|
|
(
|
|
LPHACMSTREAM phas, // pointer to stream handle
|
|
HACMDRIVER had, // optional driver handle
|
|
LPWAVEFORMATEX pwfxSrc, // source format to convert
|
|
LPWAVEFORMATEX pwfxDst, // required destination format
|
|
LPWAVEFILTER pwfltr, // optional filter
|
|
DWORD_PTR dwCallback, // callback
|
|
DWORD_PTR dwInstance, // callback instance data
|
|
DWORD fdwOpen // ACM_STREAMOPENF_* and CALLBACK_*
|
|
)
|
|
{
|
|
return((((pacmStreamOpen)aACMEntries[indxacmStreamOpen]))(phas,had,pwfxSrc,pwfxDst,pwfltr,dwCallback,dwInstance,fdwOpen));
|
|
}
|
|
|
|
static MMRESULT ACMAPI acmFormatSuggest
|
|
(
|
|
HACMDRIVER had,
|
|
LPWAVEFORMATEX pwfxSrc,
|
|
LPWAVEFORMATEX pwfxDst,
|
|
DWORD cbwfxDst,
|
|
DWORD fdwSuggest
|
|
)
|
|
{
|
|
return((((pacmFormatSuggest)aACMEntries[indxacmFormatSuggest]))(had, pwfxSrc, pwfxDst, cbwfxDst, fdwSuggest));
|
|
}
|
|
|
|
static MMRESULT ACMAPI acmStreamClose
|
|
(
|
|
HACMSTREAM has,
|
|
DWORD fdwClose
|
|
)
|
|
{
|
|
return((((pacmStreamClose)aACMEntries[indxacmStreamClose]))(has, fdwClose));
|
|
}
|
|
|
|
#ifdef UNICODE
|
|
static MMRESULT ACMAPI acmFormatEnumW
|
|
(
|
|
HACMDRIVER had,
|
|
LPACMFORMATDETAILSW pafd,
|
|
ACMFORMATENUMCBW fnCallback,
|
|
DWORD_PTR dwInstance,
|
|
DWORD fdwEnum
|
|
)
|
|
{
|
|
return((((pacmFormatEnumW)aACMEntries[indxacmFormatEnumW]))(had,pafd,fnCallback,dwInstance,fdwEnum));
|
|
}
|
|
#else
|
|
static MMRESULT ACMAPI acmFormatEnumA
|
|
(
|
|
HACMDRIVER had,
|
|
LPACMFORMATDETAILSA pafd,
|
|
ACMFORMATENUMCBA fnCallback,
|
|
DWORD_PTR dwInstance,
|
|
DWORD fdwEnum
|
|
)
|
|
{
|
|
return((((pacmFormatEnumA)aACMEntries[indxacmFormatEnumA]))(had,pafd,fnCallback,dwInstance,fdwEnum));
|
|
}
|
|
#endif
|
|
|
|
CACMDynLink();
|
|
~CACMDynLink();
|
|
|
|
private:
|
|
|
|
// make copy and assignment inaccessible
|
|
CACMDynLink(const CVFWDynLink &refVFWDynLink);
|
|
CACMDynLink &operator=(const CVFWDynLink &refVFWDynLink);
|
|
};
|
|
|
|
|
|
//
|
|
// Class for dynamic linking to URLMON.DLL
|
|
//
|
|
//
|
|
// Dynamically loaded array of entry points
|
|
//
|
|
extern FARPROC aURLMonEntries[];
|
|
|
|
//
|
|
// List of index entries into the array for each redirected API
|
|
//
|
|
#define indxurlmonCreateURLMoniker 0
|
|
#define indxurlmonRegisterCallback 1
|
|
#define indxurlmonRevokeCallback 2
|
|
|
|
//
|
|
// typedef the API set that we redirect
|
|
//
|
|
|
|
|
|
typedef HRESULT (STDAPICALLTYPE * pCreateURLMoniker) (LPMONIKER pMkCtx, LPCWSTR szURL, LPMONIKER FAR * ppmk);
|
|
typedef HRESULT (STDAPICALLTYPE * pRegisterBindStatusCallback)(LPBC pBC, IBindStatusCallback *pBSCb,
|
|
IBindStatusCallback** ppBSCBPrev, DWORD dwReserved);
|
|
typedef HRESULT (STDAPICALLTYPE * pRevokeBindStatusCallback)(LPBC pBC, IBindStatusCallback *pBSCb);
|
|
|
|
|
|
class CURLMonDynLink {
|
|
|
|
private:
|
|
static HMODULE m_hURLMon; // handle to URLMON
|
|
static LONG m_URLMonlinkCount; // instance count for this process
|
|
static CRITICAL_SECTION m_LoadURLMonLock; // serialise constructor/destructor
|
|
|
|
public:
|
|
static void CURLMonDynLinkLoad()
|
|
{
|
|
InitializeCriticalSection(&m_LoadURLMonLock); // serialise constructor/destructor
|
|
}
|
|
static void CURLMonDynLinkUnload()
|
|
{
|
|
DeleteCriticalSection(&m_LoadURLMonLock); // serialise constructor/destructor
|
|
}
|
|
|
|
static HRESULT STDAPICALLTYPE CreateURLMoniker (LPMONIKER pMkCtx, LPCWSTR szURL, LPMONIKER FAR * ppmk)
|
|
{
|
|
return((((pCreateURLMoniker)aURLMonEntries[indxurlmonCreateURLMoniker]))
|
|
(pMkCtx, szURL, ppmk));
|
|
}
|
|
|
|
static HRESULT STDAPICALLTYPE RegisterBindStatusCallback (LPBC pBC, IBindStatusCallback *pBSCb,
|
|
IBindStatusCallback** ppBSCBPrev, DWORD dwReserved)
|
|
{
|
|
return((((pRegisterBindStatusCallback)aURLMonEntries[indxurlmonRegisterCallback]))
|
|
(pBC, pBSCb, ppBSCBPrev, dwReserved));
|
|
}
|
|
static HRESULT STDAPICALLTYPE RevokeBindStatusCallback (LPBC pBC, IBindStatusCallback *pBSCb)
|
|
{
|
|
return((((pRevokeBindStatusCallback)aURLMonEntries[indxurlmonRevokeCallback]))
|
|
(pBC, pBSCb));
|
|
}
|
|
|
|
CURLMonDynLink();
|
|
~CURLMonDynLink();
|
|
|
|
private:
|
|
|
|
// make copy and assignment inaccessible
|
|
CURLMonDynLink(const CVFWDynLink &refVFWDynLink);
|
|
CURLMonDynLink &operator=(const CVFWDynLink &refVFWDynLink);
|
|
};
|
|
|
|
#endif // FILTER_DLL
|
|
#endif // __DYNLINK_H__
|
|
|