Struct AnsHistogram 

pub struct AnsHistogram {
    pub buckets: Vec<Bucket>,
    pub log_bucket_size: usize,
    pub bucket_mask: u32,
    pub single_symbol: Option<u32>,
    pub frequencies: Vec<u16>,
}

Decoded ANS histogram for decoding.

Fields

buckets: Vec<Bucket>

log_bucket_size: usize

bucket_mask: u32

single_symbol: Option<u32>

frequencies: Vec<u16>

Implementations

impl AnsHistogram

pub fn decode(br: &mut BitReader<'_>, log_alpha_size: usize) -> Result<Self>

pub fn build_alias_map_from_freqs( alphabet_size: usize, log_bucket_size: usize, dist: &[u16], ) -> Vec<Bucket>

Public alias map builder for verification/testing.

pub fn read(&self, br: &mut BitReader<'_>, state: &mut u32) -> u32

Decode a symbol and update state.

Trait Implementations

impl Debug for AnsHistogram

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.