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我编译dvrapp程序以及dvr_rdk_demo_mcfw_api.out,在板子上执行时都发生了以下错误
IOCTL_DEVICE_SII9022A_QUERY_HPD Failed!! This can happen because
1. enableConfigExtVideoEncoder is set to TRUE and Sii9022A is absent in the system OR ASSERT (ti_vdis.c|Vdis_init|404)
2. Loose connection between the board and the daugther card^C
然后我打开了ti_vdis.c文件,在里面把gVdisModuleContext.vdisConfig.enableConfigExtVideoEncoder = FALSE。再次编译执行,但是发现还是出现了同样的错误。但是我重新编译执行dvr_rdk_demo_mcfw_api.out时,却发现没有这个错误了。
现在我怀疑dvrapp所用到的libdm816x.so库是跟DVRRDK4.0包内的源代码是无关的。所以想请教专家,这个问题是怎么回事?
PS:我还在ti_vdis.c里面添加了几条打印信息,重新编译后,在dvr_rdk_demo_mcfw_api.out执行时能够出现打印信息,但是dvrapp还是上述错误。