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LibCompress: Allow appending input streams to an existing LZMA decoder

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Tim Schumacher 2023-03-14 04:12:20 +01:00 • committed by Andreas Kling
parent 04f69de7f1
commit f4506a3a72
2 changed files with 43 additions and 15 deletions
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3
Userland/Libraries/LibCompress/Lzma.h
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@ -55,6 +55,8 @@ public:
/// Creates a decompressor from a raw stream of LZMA-compressed data (found inside an LZMA container or embedded in other file formats).
static ErrorOr<NonnullOwnPtr<LzmaDecompressor>> create_from_raw_stream(MaybeOwned<Stream>, LzmaDecompressorOptions const&);
ErrorOr<void> append_input_stream(MaybeOwned<Stream>, Optional<u64> uncompressed_size);
virtual ErrorOr<Bytes> read_some(Bytes) override;
virtual ErrorOr<size_t> write_some(ReadonlyBytes) override;
virtual bool is_eof() const override;
@ -84,6 +86,7 @@ private:
u32 m_range_decoder_range { 0xFFFFFFFF };
u32 m_range_decoder_code { 0 };
ErrorOr<void> initialize_range_decoder();
ErrorOr<void> normalize_range_decoder();
ErrorOr<u8> decode_direct_bit();
ErrorOr<u8> decode_bit_with_probability(Probability& probability);