For example, for SMPTE 296M standard, there are two codes for vid_std:
010011 for HD 1x1 720p
011001 for HD 2x1 720p
For CVBS input, the input can be SD 8x1, 4x1, 2x1 ...
I am wondering what do these 8x1, 4x1, 2x1 mean?
Thank you in advance.