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add bitstream variant, could be useful on 8bit platforms

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This commit is contained in:
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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8
src/lz.rs
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@@ -77,7 +77,7 @@ fn encode_length(
pub struct CoderState {
contexts: ContextState,
last_offset: u32,
prev_was_match: bool
prev_was_match: bool,
}
impl CoderState {
@@ -85,7 +85,7 @@ impl CoderState {
CoderState {
contexts: ContextState::new(1 + 255 + 1 + 64 + 64),
last_offset: 0,
prev_was_match: false
prev_was_match: false,
}
}
@@ -94,8 +94,8 @@ impl CoderState {
}
}
pub fn unpack(packed_data: &[u8]) -> Vec<u8> {
let mut decoder = RansDecoder::new(packed_data);
pub fn unpack(packed_data: &[u8], use_bitstream: bool) -> Vec<u8> {
let mut decoder = RansDecoder::new(packed_data, use_bitstream);
let mut contexts = ContextState::new(1 + 255 + 1 + 64 + 64);
let mut result = vec![];
let mut offset = 0;