请问出现下面这个问题该如何解决？谢谢....
root@dm368-evm:/usr/share/ti/dvsdk-demos# ./encode -v 1.264 -y 3 -I 3
Encode demo started......
davinci_resizer davinci_resizer.2: RSZ_G_CONFIG:0:1:124
davinci_previewer davinci_previewer.2: ipipe_set_preview_config
vpfe-capture vpfe-capture: IPIPE Chained
vpfe-capture vpfe-capture: Resizer present
EVM: switch to tvp7002 HD video input
vpfe-capture vpfe-capture: width = 1280, height = 720, bpp = 1
vpfe-capture vpfe-capture: adjusted width = 1280, height = 720, bpp = 1, bytespe
rline = 1280, sizeimage = 1382400
vpfe-capture vpfe-capture: width = 1280, height = 720, bpp = 1
vpfe-capture vpfe-capture: adjusted width = 1280, height = 720, bpp = 1, bytespe
rline = 1280, sizeimage = 1382400
tvp7002 1-005d: querystd, erorxxx, val = 0, val1 = 1
Error: Failed to create capture device. Is video input connected?
这个问题已经纠结好久了，始终找不到解决方法，请给予帮助，谢谢...
