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Error: Failed to detect video standard, video input connected?

我自己重新装了一个dvsdk,把里面的工具都升级了,生成了包含h264enc的x64p文件,但是把原来的encode程序跑这个新生成的x64p文件就出现上面的错误,跑回板上自带的那个x64p文件就可以,这是什么问题?求教!

x 出现错误。请重试或与管理员联系。