Number of bytes between 1 and 256 to use for the Delta filter. For example for 16bit PCM stero audio, you should use 4. For RGB data 8bit per channel, you should use 3.
See Implementation
Number of bytes between 1 and 256 to use for the Delta filter. For example for 16bit PCM stero audio, you should use 4. For RGB data 8bit per channel, you should use 3.