1 unstable release
0.1.0 | Feb 10, 2023 |
---|
#6 in #exp
90 downloads per month
18KB
242 lines
exp-golomb
Encoder/decoder for Exponential-Golomb coding.
Using the Wikipedia example:
Number | Bit pattern |
---|---|
0 | 1 |
1 | 010 |
2 | 011 |
3 | 00100 |
4 | 00101 |
5 | 00110 |
6 | 00111 |
7 | 0001000 |
8 | 000100 |
use exp_golomb::{ExpGolombDecoder, ExpGolombEncoder};
let mut buf = [0u8; 6];
let mut writer = ExpGolombEncoder::new(&mut buf, 0).unwrap();
for i in 0..=8 {
writer.put_unsigned(i).unwrap();
}
writer.close();
assert_eq!(
buf,
[0b10100110, 0b01000010, 0b10011000, 0b11100010, 0b00000100, 0b10000000]
);
let mut reader = ExpGolombDecoder::new(&buf, 0).unwrap();
for i in 0..=8 {
assert_eq!(reader.next_unsigned(), Some(i));
}
lib.rs
:
Utilities for Exponential-Golomb coding.