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add bitstream variant, could be useful on 8bit platforms

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Dennis Ranke
2021-12-28 23:59:56 +01:00
parent 2e7983fc65
commit 3902425922
6 changed files with 97 additions and 32 deletions
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4
src/parsing_packer.rs
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@@ -6,7 +6,7 @@ use crate::match_finder::MatchFinder;
use crate::rans::{CostCounter, RansCoder};
use crate::{lz, ProgressCallback};
pub fn pack(data: &[u8], level: u8, progress_cb: Option<ProgressCallback>) -> Vec<u8> {
pub fn pack(data: &[u8], level: u8, use_bitstream: bool, progress_cb: Option<ProgressCallback>) -> Vec<u8> {
let mut parse = parse(data, Config::from_level(level), progress_cb);
let mut ops = vec![];
while let Some(link) = parse {
@@ -14,7 +14,7 @@ pub fn pack(data: &[u8], level: u8, progress_cb: Option<ProgressCallback>) -> Ve
parse = link.prev.clone();
}
let mut state = lz::CoderState::new();
let mut coder = RansCoder::new();
let mut coder = RansCoder::new(use_bitstream);
for op in ops.into_iter().rev() {
op.encode(&mut coder, &mut state);
}