关于directshow的问题,高手请进!!!!!!!
各位大家好,我现在再学directshow,主要是看的是<directshow开发指南>,当我运行该书第四章的filtertitleoverlay项目所带的程序时候遇到下面的错误:
CFilterTitleOverlay.obj : error LNK2001: unresolved external symbol "public: virtual unsigned long __stdcall CBaseFilter::NonDelegatingRelease(void)"
( ?NonDelegatingRelease@CBaseFilter@@UAGKXZ )
CFilterTitleOverlay.obj : error LNK2001: unresolved external symbol "public: __thiscall CTransInPlaceFilter::CTransInPlaceFilter(char *,struct IUnknown *,struct _GUID const &,long *,bool)"
( ??0CTransInPlaceFilter@@QAE@PADPAUIUnknown@@ABU_GUID@@PAJ_N@Z )
CFilterTitleOverlay.obj : error LNK2001: unresolved external symbol "public: __thiscall CMediaType::CMediaType(class CMediaType const &,long *)"
( ??0CMediaType@@QAE@ABV0@PAJ@Z )
Debug/Hqtlystd.ax : fatal error LNK1120: 3 unresolved externals
Error executing link.exe.
Hqtlystd.ax - 4 error(s), 0 warning(s)
请问一下这是什么原因 我要怎么来配置环境啊???? 谢谢!!!