getROIMask Method (ROIMaskGenerator)
In This Topic
This functions gets a DataBlk with the size of the current code-block and fills it with the ROI mask. The lowest scaling value in the mask for this code-block is returned by the function to be used for modifying the rate distortion estimations.
Syntax
Parameters
- db
- The data block that is to be filled with the mask
- sb
- The root of the current subband tree
- magbits
- The number of magnitude bits in this code-block
- c
- Component number
Return Value
Whether or not a mask was needed for this tile
See Also