NAME¶

aec - compress or expand files

SYNOPSIS¶

aec [-3] [-b BYTES] [-d] [-j SAMPLES] [-m] [-n BITS] [-N] [-p] [-r BLOCKS] [-s] [-t] infile outfile

DESCRIPTION¶

Aec performs lossless compression and decompression with Golomb-Rice coding as defined in the Space Data System Standard documents 121.0-B-2.

OPTIONS¶

-3

24 bit samples are stored in 3 bytes

-b BYTES

internal buffer size in bytes

-d

decompress infile; if option -d is not used then compress infile

-j SAMPLES

block size in samples

-m

samples are MSB first; default is LSB first

-n BITS

bits per sample

-N

disable pre/post processing

-p

pad RSI to byte boundary

-r BLOCKS

reference sample interval in blocks

-s

samples are signed; default is unsigned

-t

use restricted set of code options