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Update Lizard - use internal HUF and FSE entropy
- AdjustLiz.sh fixes some double defines with zstd of lizard - lizard uses it's own entropy lib again - this will fix #302 Signed-off-by: Tino Reichardt <[email protected]>
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#!/bin/bash | ||
# /TR 2023-02-24 | ||
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function repl() { | ||
#sed -e "s|LIZ_||g" -i *.c *.h | ||
sed -e "s|$1|LIZ_${1}|g" -i *.c *.h | ||
} | ||
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repl HUF_readStats | ||
repl HUF_getErrorName | ||
repl HUF_isError | ||
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repl FSE_readNCount | ||
repl FSE_getErrorName | ||
repl FSE_isError | ||
repl FSE_versionNumber | ||
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repl FSE_compressBound | ||
repl FSE_compress_usingCTable | ||
repl FSE_buildCTable_rle | ||
repl FSE_normalizeCount | ||
repl FSE_optimalTableLog | ||
repl FSE_writeNCount | ||
repl FSE_NCountWriteBound | ||
repl FSE_buildCTable_wksp | ||
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repl HUF_optimalTableLog | ||
repl HUF_compress4X_usingCTable | ||
repl HUF_compress1X_usingCTable | ||
repl HUF_compressBound already | ||
repl HUF_buildCTable_wksp | ||
repl HUF_readCTable | ||
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repl HUF_decompress4X_usingDTable | ||
repl HUF_decompress1X_usingDTable | ||
repl HUF_selectDecoder |
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New Generation Entropy library | ||
============================== | ||
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The __lib__ directory contains several files, but you don't necessarily want them all. | ||
Here is a detailed list, to help you decide which one you need : | ||
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#### Compulsory files | ||
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These files are required in all circumstances : | ||
- __error_public.h__ : error list as enum | ||
- __error_private.h__ : error management | ||
- __mem.h__ : low level memory access routines | ||
- __bitstream.h__ : generic read/write bitstream common to all entropy codecs | ||
- __entropy_common.c__ : common functions needed for both compression and decompression | ||
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#### Finite State Entropy | ||
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This is the base codec required by other ones. | ||
It implements a tANS variant, similar to arithmetic in compression performance, but much faster. Compression and decompression can be compiled independently. | ||
- __fse.h__ : exposes interfaces | ||
- __fse_compress.c__ : implements compression codec | ||
- __fse_decompress.c__ : implements decompression codec | ||
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#### FSE 16-bits symbols version | ||
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This codec is able to encode alphabets of size > 256, using 2 bytes per symbol. It requires the base FSE codec to compile properly. Compression and decompression are merged in the same file. | ||
- __fseU16.c__ implements the codec, while __fseU16.h__ exposes its interfaces. | ||
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#### Huffman codec | ||
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This is the fast huffman codec. It requires the base FSE codec to compress its headers. Compression and decompression can be compiled independently. | ||
- __huf.h__ : exposes interfaces. | ||
- __huf_compress.c__ : implements compression codec | ||
- __huf_decompress.c__ : implements decompression codec |
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