forked from LeenkxTeam/LNXSDK
360 lines
12 KiB
C
360 lines
12 KiB
C
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//------------------------------------------------------------------------------
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// File: WXDebug.h
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//
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// Desc: DirectShow base classes - provides debugging facilities.
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//
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// Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------------------------
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#ifndef __WXDEBUG__
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#define __WXDEBUG__
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// This library provides fairly straight forward debugging functionality, this
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// is split into two main sections. The first is assertion handling, there are
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// three types of assertions provided here. The most commonly used one is the
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// ASSERT(condition) macro which will pop up a message box including the file
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// and line number if the condition evaluates to FALSE. Then there is the
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// EXECUTE_ASSERT macro which is the same as ASSERT except the condition will
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// still be executed in NON debug builds. The final type of assertion is the
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// KASSERT macro which is more suitable for pure (perhaps kernel) filters as
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// the condition is printed onto the debugger rather than in a message box.
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//
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// The other part of the debug module facilties is general purpose logging.
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// This is accessed by calling DbgLog(). The function takes a type and level
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// field which define the type of informational string you are presenting and
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// it's relative importance. The type field can be a combination (one or more)
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// of LOG_TIMING, LOG_TRACE, LOG_MEMORY, LOG_LOCKING and LOG_ERROR. The level
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// is a DWORD value where zero defines highest important. Use of zero as the
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// debug logging level is to be encouraged ONLY for major errors or events as
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// they will ALWAYS be displayed on the debugger. Other debug output has it's
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// level matched against the current debug output level stored in the registry
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// for this module and if less than the current setting it will be displayed.
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//
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// Each module or executable has it's own debug output level for each of the
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// five types. These are read in when the DbgInitialise function is called
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// for DLLs linking to STRMBASE.LIB this is done automatically when the DLL
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// is loaded, executables must call it explicitely with the module instance
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// handle given to them through the WINMAIN entry point. An executable must
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// also call DbgTerminate when they have finished to clean up the resources
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// the debug library uses, once again this is done automatically for DLLs
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// These are the five different categories of logging information
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enum { LOG_TIMING = 0x01, // Timing and performance measurements
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LOG_TRACE = 0x02, // General step point call tracing
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LOG_MEMORY = 0x04, // Memory and object allocation/destruction
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LOG_LOCKING = 0x08, // Locking/unlocking of critical sections
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LOG_ERROR = 0x10, // Debug error notification
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LOG_CUSTOM1 = 0x20,
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LOG_CUSTOM2 = 0x40,
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LOG_CUSTOM3 = 0x80,
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LOG_CUSTOM4 = 0x100,
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LOG_CUSTOM5 = 0x200,
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};
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#define LOG_FORCIBLY_SET 0x80000000
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enum { CDISP_HEX = 0x01,
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CDISP_DEC = 0x02};
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// For each object created derived from CBaseObject (in debug builds) we
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// create a descriptor that holds it's name (statically allocated memory)
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// and a cookie we assign it. We keep a list of all the active objects
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// we have registered so that we can dump a list of remaining objects
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typedef struct tag_ObjectDesc {
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LPCSTR m_szName;
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LPCWSTR m_wszName;
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DWORD m_dwCookie;
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tag_ObjectDesc *m_pNext;
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} ObjectDesc;
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#define DLLIMPORT __declspec(dllimport)
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#define DLLEXPORT __declspec(dllexport)
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#ifdef DEBUG
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#define NAME(x) TEXT(x)
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// These are used internally by the debug library (PRIVATE)
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void WINAPI DbgInitKeyLevels(HKEY hKey, bool fTakeMax);
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void WINAPI DbgInitGlobalSettings(bool fTakeMax);
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void WINAPI DbgInitModuleSettings(bool fTakeMax);
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void WINAPI DbgInitModuleName();
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DWORD WINAPI DbgRegisterObjectCreation(
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LPCSTR szObjectName, LPCWSTR wszObjectName);
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BOOL WINAPI DbgRegisterObjectDestruction(DWORD dwCookie);
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// These are the PUBLIC entry points
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BOOL WINAPI DbgCheckModuleLevel(DWORD Type,DWORD Level);
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void WINAPI DbgSetModuleLevel(DWORD Type,DWORD Level);
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void WINAPI DbgSetAutoRefreshLevels(bool fAuto);
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// Initialise the library with the module handle
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void WINAPI DbgInitialise(HINSTANCE hInst);
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void WINAPI DbgTerminate();
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void WINAPI DbgDumpObjectRegister();
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// Display error and logging to the user
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void WINAPI DbgAssert(LPCTSTR pCondition,LPCTSTR pFileName,INT iLine);
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void WINAPI DbgBreakPoint(LPCTSTR pCondition,LPCTSTR pFileName,INT iLine);
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void WINAPI DbgBreakPoint(LPCTSTR pFileName,INT iLine,__format_string LPCTSTR szFormatString,...);
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void WINAPI DbgKernelAssert(LPCTSTR pCondition,LPCTSTR pFileName,INT iLine);
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void WINAPI DbgLogInfo(DWORD Type,DWORD Level,__format_string LPCTSTR pFormat,...);
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#ifdef UNICODE
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void WINAPI DbgLogInfo(DWORD Type,DWORD Level,__format_string LPCSTR pFormat,...);
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void WINAPI DbgAssert(LPCSTR pCondition,LPCSTR pFileName,INT iLine);
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void WINAPI DbgBreakPoint(LPCSTR pCondition,LPCSTR pFileName,INT iLine);
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void WINAPI DbgKernelAssert(LPCSTR pCondition,LPCSTR pFileName,INT iLine);
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#endif
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void WINAPI DbgOutString(LPCTSTR psz);
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// Debug infinite wait stuff
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DWORD WINAPI DbgWaitForSingleObject(HANDLE h);
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DWORD WINAPI DbgWaitForMultipleObjects(DWORD nCount,
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__in_ecount(nCount) CONST HANDLE *lpHandles,
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BOOL bWaitAll);
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void WINAPI DbgSetWaitTimeout(DWORD dwTimeout);
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#ifdef __strmif_h__
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// Display a media type: Terse at level 2, verbose at level 5
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void WINAPI DisplayType(LPCTSTR label, const AM_MEDIA_TYPE *pmtIn);
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// Dump lots of information about a filter graph
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void WINAPI DumpGraph(IFilterGraph *pGraph, DWORD dwLevel);
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#endif
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#define KASSERT(_x_) if (!(_x_)) \
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DbgKernelAssert(TEXT(#_x_),TEXT(__FILE__),__LINE__)
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// Break on the debugger without putting up a message box
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// message goes to debugger instead
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#define KDbgBreak(_x_) \
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DbgKernelAssert(TEXT(#_x_),TEXT(__FILE__),__LINE__)
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// We chose a common name for our ASSERT macro, MFC also uses this name
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// So long as the implementation evaluates the condition and handles it
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// then we will be ok. Rather than override the behaviour expected we
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// will leave whatever first defines ASSERT as the handler (i.e. MFC)
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#ifndef ASSERT
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#define ASSERT(_x_) if (!(_x_)) \
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DbgAssert(TEXT(#_x_),TEXT(__FILE__),__LINE__)
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#endif
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#define DbgAssertAligned( _ptr_, _alignment_ ) ASSERT( ((DWORD_PTR) (_ptr_)) % (_alignment_) == 0)
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// Put up a message box informing the user of a halt
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// condition in the program
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#define DbgBreak(_x_) \
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DbgBreakPoint(TEXT(#_x_),TEXT(__FILE__),__LINE__)
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#define EXECUTE_ASSERT(_x_) ASSERT(_x_)
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#define DbgLog(_x_) DbgLogInfo _x_
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// MFC style trace macros
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#define NOTE(_x_) DbgLog((LOG_TRACE,5,TEXT(_x_)))
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#define NOTE1(_x_,a) DbgLog((LOG_TRACE,5,TEXT(_x_),a))
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#define NOTE2(_x_,a,b) DbgLog((LOG_TRACE,5,TEXT(_x_),a,b))
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#define NOTE3(_x_,a,b,c) DbgLog((LOG_TRACE,5,TEXT(_x_),a,b,c))
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#define NOTE4(_x_,a,b,c,d) DbgLog((LOG_TRACE,5,TEXT(_x_),a,b,c,d))
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#define NOTE5(_x_,a,b,c,d,e) DbgLog((LOG_TRACE,5,TEXT(_x_),a,b,c,d,e))
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#else
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// Retail builds make public debug functions inert - WARNING the source
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// files do not define or build any of the entry points in debug builds
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// (public entry points compile to nothing) so if you go trying to call
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// any of the private entry points in your source they won't compile
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#define NAME(_x_) ((LPTSTR) NULL)
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#define DbgInitialise(hInst)
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#define DbgTerminate()
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#define DbgLog(_x_) 0
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#define DbgOutString(psz)
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#define DbgAssertAligned( _ptr_, _alignment_ ) 0
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#define DbgRegisterObjectCreation(pObjectName)
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#define DbgRegisterObjectDestruction(dwCookie)
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#define DbgDumpObjectRegister()
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#define DbgCheckModuleLevel(Type,Level)
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#define DbgSetModuleLevel(Type,Level)
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#define DbgSetAutoRefreshLevels(fAuto)
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#define DbgWaitForSingleObject(h) WaitForSingleObject(h, INFINITE)
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#define DbgWaitForMultipleObjects(nCount, lpHandles, bWaitAll) \
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WaitForMultipleObjects(nCount, lpHandles, bWaitAll, INFINITE)
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#define DbgSetWaitTimeout(dwTimeout)
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#define KDbgBreak(_x_)
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#define DbgBreak(_x_)
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#define KASSERT(_x_) ((void)0)
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#ifndef ASSERT
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#define ASSERT(_x_) ((void)0)
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#endif
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#define EXECUTE_ASSERT(_x_) ((void)(_x_))
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// MFC style trace macros
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#define NOTE(_x_) ((void)0)
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#define NOTE1(_x_,a) ((void)0)
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#define NOTE2(_x_,a,b) ((void)0)
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#define NOTE3(_x_,a,b,c) ((void)0)
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#define NOTE4(_x_,a,b,c,d) ((void)0)
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#define NOTE5(_x_,a,b,c,d,e) ((void)0)
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#define DisplayType(label, pmtIn) ((void)0)
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#define DumpGraph(pGraph, label) ((void)0)
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#endif
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// Checks a pointer which should be non NULL - can be used as follows.
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#define CheckPointer(p,ret) {if((p)==NULL) return (ret);}
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// HRESULT Foo(VOID *pBar)
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// {
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// CheckPointer(pBar,E_INVALIDARG)
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// }
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//
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// Or if the function returns a boolean
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//
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// BOOL Foo(VOID *pBar)
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// {
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// CheckPointer(pBar,FALSE)
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// }
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#define ValidateReadPtr(p,cb) 0
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#define ValidateWritePtr(p,cb) 0
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#define ValidateReadWritePtr(p,cb) 0
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#define ValidateStringPtr(p) 0
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#define ValidateStringPtrA(p) 0
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#define ValidateStringPtrW(p) 0
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#ifdef _OBJBASE_H_
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// Outputting GUID names. If you want to include the name
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// associated with a GUID (eg CLSID_...) then
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//
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// GuidNames[yourGUID]
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//
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// Returns the name defined in uuids.h as a string
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typedef struct {
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const CHAR *szName;
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GUID guid;
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} GUID_STRING_ENTRY;
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class CGuidNameList {
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public:
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const CHAR *operator [] (const GUID& guid);
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};
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extern CGuidNameList GuidNames;
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#endif
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#ifndef REMIND
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// REMIND macro - generates warning as reminder to complete coding
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// (eg) usage:
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//
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// #pragma message (REMIND("Add automation support"))
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#define QUOTE(x) #x
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#define QQUOTE(y) QUOTE(y)
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#define REMIND(str) __FILE__ "(" QQUOTE(__LINE__) ") : " str
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#endif
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// Method to display objects in a useful format
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//
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// eg If you want to display a LONGLONG ll in a debug string do (eg)
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//
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// DbgLog((LOG_TRACE, n, TEXT("Value is %s"), (LPCTSTR)CDisp(ll, CDISP_HEX)));
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class CDispBasic
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{
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public:
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CDispBasic() { m_pString = m_String; };
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~CDispBasic();
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protected:
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PTCHAR m_pString; // normally points to m_String... unless too much data
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TCHAR m_String[50];
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};
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class CDisp : public CDispBasic
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{
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public:
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CDisp(LONGLONG ll, int Format = CDISP_HEX); // Display a LONGLONG in CDISP_HEX or CDISP_DEC form
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CDisp(REFCLSID clsid); // Display a GUID
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CDisp(double d); // Display a floating point number
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#ifdef __strmif_h__
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#ifdef __STREAMS__
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CDisp(CRefTime t); // Display a Reference Time
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#endif
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CDisp(IPin *pPin); // Display a pin as {filter clsid}(pin name)
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CDisp(IUnknown *pUnk); // Display a filter or pin
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#endif // __strmif_h__
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~CDisp();
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// Implement cast to (LPCTSTR) as parameter to logger
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operator LPCTSTR()
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{
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return (LPCTSTR)m_pString;
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};
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};
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#if defined(DEBUG)
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class CAutoTrace
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{
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private:
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LPCTSTR _szBlkName;
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const int _level;
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static const TCHAR _szEntering[];
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static const TCHAR _szLeaving[];
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public:
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CAutoTrace(LPCTSTR szBlkName, const int level = 15)
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: _szBlkName(szBlkName), _level(level)
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{DbgLog((LOG_TRACE, _level, _szEntering, _szBlkName));}
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~CAutoTrace()
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{DbgLog((LOG_TRACE, _level, _szLeaving, _szBlkName));}
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};
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#if defined (__FUNCTION__)
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#define AMTRACEFN() CAutoTrace __trace(TEXT(__FUNCTION__))
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#define AMTRACE(_x_) CAutoTrace __trace(TEXT(__FUNCTION__))
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#else
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#define AMTRACE(_x_) CAutoTrace __trace _x_
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#define AMTRACEFN()
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#endif
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#else
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#define AMTRACE(_x_)
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#define AMTRACEFN()
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#endif
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#endif // __WXDEBUG__
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