brotli-rs alternatives and similar packages
Based on the "Compression" category.
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6.3 4.3 brotli-rs VS rust-brotliBrotli compressor and decompressor written in rust that optionally avoids the stdlib
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Brotli-rs - Brotli decompression in pure, safe Rust
Compression provides a <Read>-struct to wrap a Brotli-compressed stream. A consumer is thus able to read a compressed stream with usual convenience.
v0.3.22 -> v0.3.23
Bug with literal buffer not being populated when processing uncompressed metablock, bug where a valid stream could be rejected too early as oversized, if the last bytes happened to be shortened by an OMIT-type transformation after the early check, reported and fixed by Daniel.
v0.3.21 -> v0.3.22
Bug with metablock structure not getting fully reset when encountering a new metablock in the brotli stream, reported and fixed by Daniel.
v0.3.20 -> v0.3.21
Bug with multiple metablocks, reported and fixed by Daniel.
v0.3.19 -> v0.3.20
Worked around feature gate issue in nightly. (Thanks, Corey!)
v0.3.18 -> v0.3.19
Removed 64k big Pseudo-Code lookup table, because creating this trivial table probably took more time than making the calculcation on the fly. (Bench tests seem to suggest a 1% time savings without the lookup table)
v0.3.17 -> v0.3.18
Fixed case where a simple prefix code could have duplicate symbols.
v0.3.16 -> v0.3.17
Fixed case where a complex prefix code could have an incorrect checksum on its runlength code.
v0.3.15 -> v0.3.16
- Fixed incorrect calculation of alphabet size for distance code.
- Fixed evaluation where streams with excessive insert/copy lengths could be rejected early.
v0.3.14 -> v0.3.15
Fixed injection of invalid symbols in simple prefix code.
v0.3.13 -> v0.3.14
Fixed invalid block-type in switch command. (Thanks, Corey!).
v0.3.12 -> v0.3.13
Fixed uncaught non-positive distances. (Thanks, Corey!).
v0.3.11 -> v0.3.12
Fixed uncaught zero-byte in word transformation. (Thanks, Corey!).
v0.3.10 -> v0.3.11
Fixed possible arithmetic overflow in word transformation. (Thanks, Corey!).
v0.3.9 -> v0.3.10
Fixed incorrect type for runlength code. (Thanks, Corey!).
v0.3.8 -> v0.3.9
Fixed incorrect array index bound check in tree lookup. (Thanks, Corey!).
v0.3.7 -> v0.3.8
Fixed some value range checks on block types and ntree*. (Thanks, Corey!).
v0.3.6 -> v0.3.7
Went over "unreachable!()" statements, analyzed, and handled error condition properly, if they were reachable through invalid data.
v0.3.5 -> v0.3.6
Fixed a case where an invalid prefix code with all-zero codelengths could create an index-out-of-bounds panic. (Thanks, Corey!).
v0.3.4 -> v0.3.5
Fixed a case where an invalid insert-and-copy-length-code would produce a panic. (Thanks, Corey!).
v0.3.1 -> v0.3.4
Fair amount of internal small improvements, improving code quality. Fixed a couple of cases where invalid streams would lead to panics and/or infinite loops (Thanks, Corey!).
v0.3.0 -> v0.3.1
This is only a minor version bump, with no breakage in usage, but it's exciting nonetheless!
In Brotli, a lot of work is done with and by prefix codes. Through a change in the internal representation of prefix codes, it was possible to speed the reference benchmark time by a factor of ~7. The benchmark decompresses the contents of the file data/monkey.compressed.
With linked-list-based, recursive tree implementation:
test bench_monkey ... bench: 866,888 ns/iter (+/- 58,119)
With array-based, iterative tree implementation, before max-depth constraint:
test bench_monkey ... bench: 704,282 ns/iter (+/- 220,068)
With array-based, iterative tree implementation, with max-depth constraint:
test bench_monkey ... bench: 120,745 ns/iter (+/- 16,627)
v0.2.0 -> v0.3.0
- renamed crate compression -> brotli
- restructured modules to avoid redundant paths like brotli::brotli::Decompressor (now it's just brotli::Decompressor)
v0.1.0 -> v0.2.0
- Decompressor::new() now accepts a Read, as opposed to a BitReader.