[DirectShow] Notes－trick的部落格

1. FreeMediaType()

ERROR: strmbasd.lib(wxdebug.obj) : error LNK2019: unresolved external symbol __imp__timeGetTime@...........

SOL: #pragma comment(lib,"winmm.lib")

2. _WIN32_WINNT

ERROR: VS2010 Build Error：fatal error C1189: #error : This file requires _WIN32_WINNT to be #defined at least to 0x0403..

SOL:

(A) Add these code at stdafx.h

#ifndef WINVER // Allow use of features specific to Windows 95 and Windows NT 4 or later.
#define WINVER 0x0501 // Change this to the appropriate value to target Windows 98 and Windows 2000 or later.
#endif

#ifndef _WIN32_WINNT // Allow use of features specific to Windows NT 4 or later.
#define _WIN32_WINNT 0x0501 // Change this to the appropriate value to target Windows 98 and Windows 2000 or later.
#endif

#ifndef _WIN32_WINDOWS // Allow use of features specific to Windows 98 or later.
#define _WIN32_WINDOWS 0x0501 // Change this to the appropriate value to target Windows Me or later.
#endif

#ifndef _WIN32_IE // Allow use of features specific to IE 4.0 or later.
#define _WIN32_IE 0x0601 // Change this to the appropriate value to target IE 5.0 or later.
#endif

(B) Properties->Configuration Propoerties->C/C++->Preprocessor->Preprocessor Definitions

Add _WIN32_WINNT=0x6000

Refer to:

http://connect.microsoft.com/VisualStudio/feedback/details/564673/problem-with-win32-winnt

http://tw.myblog.yahoo.com/josh-chang/article?mid=1436

http://blog.csdn.net/liuxg2008/article/details/6544961