神龙V代解压卡 : 为什么链接时找不到IID_ITvVgaOutput
已经做了如下事情:
#include <sdinterf.h>
// {34860D40-488F-11d3-9E5F-0090272CFCC9}
DEFINE_GUID(IID_ITvVgaOutput,
0x34860d40, 0x488f, 0x11d3, 0x9e, 0x5f, 0x0, 0x90, 0x27, 0x2c, 0xfc, 0xc9);
ITvVgaOutput *m_pTvVgaOutput = NULL;
pGraphBuilder->FindFilterByName(L"Sigma Designs MPEG-2 hardware decoder", &m_pHardDecoder);
但链接错误如下:
MyPlayView.obj : error LNK2001: unresolved external symbol _IID_ITvVgaOutput
Debug/MyPlay.exe : fatal error LNK1120: 1 unresolved externals