Use gc2803 to test VI/VENC, but seems no data from mipi

hi, I use gc2803 to test the program(bind VI to Venc, and try to read 1 frame):

cv1800b test camera VI/VENC with gc2083 (github.com)


This is a companion discussion topic for the original entry at http://forum.sophgo.com/t/use-gc2803-to-test-vi-venc-but-seems-no-data-from-mipi/431