DirectX_SDK_dec2004之前,DirectShow SDK包含在DirectX9.0SDK、DirectX9.0bSDK和DirectX_SDK_dec2004里,这是DirectX9.0SDK、DirectX9.0bSDK和DirectX_SDK_dec2004的下载地址DirectX_SDK_dec2004之后的DirectShow SDK集成在Windows SDK里,在微软官网里应该有