22.214.171.124 RemoteFX Progressive Codec Compression
The functional stages involved in the decoding path are illustrated in the following figure. Compared to the encoding stages, the decoding stage operations are the operations of the encoding stage in reverse order.
Figure 5: RemoteFX Progressive Codec decoding stages
When compared to [MS-RDPRFX] section 126.96.36.199, the codec now maintains state. "Current frame" contains the DWT coefficients of the tiles, and "Persistent progressive state" is used to maintain information pertinent to tiles that have been received in progressive chunks.