Video B H264 ROI region1 range configure register.
X | Configures the horizontal start macroblocks of region 1 in Video B. |
Y | Configures the vertical start macroblocks of region 1 in Video B. |
X_LEN | Configures the number of macroblocks in horizontal direction of the region 1 in Video B. |
Y_LEN | Configures the number of macroblocks in vertical direction of the region 1 in Video B. |
EN | Configures whether or not to open Video B ROI of region 1 .\0:Close ROI\1:Open ROI. |