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TVP5146M2 Failed to detect input video standard, input connected?

Other Parts Discussed in Thread: TVP5146M2, DM3730, TVP5146

大家好!

我现在一直在使用TVP5146M2显示PAL制式摄像头的视频信息,刚开始一直可以使用,但是今天我敲入一下命令的时候:

/usr/share/ti/ti-dmai-apps/video_loopback_dm3730.x470MV -O lcd

出现了如下的错误:

Failed to detect input video standard, input connected?

上面的命令我每天都会使用,没有错误,就今天出现了这个错误。不知道为什么?

求高人解答!

x 出现错误。请重试或与管理员联系。