error LNK2019:unresolved external error

sindyrain 2005-11-09 11:52:06

链接时出现以下无法解析的外部错误

WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__Blit_Init referenced in function "public: __thiscall CWTSPPlayerVideoEngine::CWTSPPlayerVideoEngine(void)" (??0CWTSPPlayerVideoEngine@@QAE@XZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__Advanced_Init referenced in function "public: __thiscall CWTSPPlayerVideoEngine::CWTSPPlayerVideoEngine(void)" (??0CWTSPPlayerVideoEngine@@QAE@XZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__Platform_Init referenced in function "public: __thiscall CWTSPPlayerVideoEngine::CWTSPPlayerVideoEngine(void)" (??0CWTSPPlayerVideoEngine@@QAE@XZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__String_Init referenced in function "public: __thiscall CWTSPPlayerVideoEngine::CWTSPPlayerVideoEngine(void)" (??0CWTSPPlayerVideoEngine@@QAE@XZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__NodeEnum referenced in function "private: unsigned long __thiscall CWTSPPlayerVideoEngine::LoadVideoDecode(void)" (?LoadVideoDecode@CWTSPPlayerVideoEngine@@AAEKXZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__String_Done referenced in function "private: void __thiscall CWTSPPlayerVideoEngine::PluginUnload(void)" (?PluginUnload@CWTSPPlayerVideoEngine@@AAEXXZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__Platform_Done referenced in function "private: void __thiscall CWTSPPlayerVideoEngine::PluginUnload(void)" (?PluginUnload@CWTSPPlayerVideoEngine@@AAEXXZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__Advanced_Done referenced in function "private: void __thiscall CWTSPPlayerVideoEngine::PluginUnload(void)" (?PluginUnload@CWTSPPlayerVideoEngine@@AAEXXZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__Blit_Done referenced in function "private: void __thiscall CWTSPPlayerVideoEngine::PluginUnload(void)" (?PluginUnload@CWTSPPlayerVideoEngine@@AAEXXZ)
WTSPPlayerVideoEngine.obj : error LNK2019: unresolved external symbol __imp__NodeIsClass referenced in function "private: void __thiscall CWTSPPlayerVideoEngine::GetMp4NodeFunction(void)" (?GetMp4NodeFunction@CWTSPPlayerVideoEngine@@AAEXXZ)
emulatorDbg/WTSPPlayer.exe : fatal error LNK1120: 10 unresolved externals

请问高手问题产生的原因？

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