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DM642视频输入输出问题



DM642双通道视频输入,单通道输出

板子上电起来后,软件怎么配置输出显示另一路视频输入,有点蒙。

思路是先把1路视频输入干掉,重新配置2路视频做为输入源输出,但是代码部分无从下手,望各位指点下,谢谢!