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

Visual Basic
C#

'Declaration
 
Public MustOverride Function getROIMask( _
   ByVal db As DataBlkInt, _
   ByVal sb As Subband, _
   ByVal magbits As Integer, _
   ByVal c As Integer _
) As Boolean

public abstract bool getROIMask( 
   DataBlkInt db,
   Subband sb,
   int magbits,
   int c
)

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

Reference

ROIMaskGenerator Class
ROIMaskGenerator Members