greg/pcompress
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364 commits 3 branches 21 tags 7.6 MiB
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14 commits

Author SHA1 Message Date
Moinak Ghosh
5521955a94 Detect AR archives and set the type. 
Re-use a less common type code for AR.
Use Dispack generically for all executables and AR archives.
 2013-12-18 23:00:39 +05:30
Moinak Ghosh
a741f34f78 Move MSDOS COM single-byte magic number checks to last in the list. 
Move advanced options flag into context structure.
Include dtd files as text type.
 2013-12-18 00:09:32 +05:30
Moinak Ghosh
5e484f0694 Use libbsc for AVI and MP4 files. 2013-12-04 20:07:52 +05:30
Moinak Ghosh
3f62cdf7d5 Use Libbsc for MP4 and FLAC files. 
Change some rare file type codes to indicate some common types.
 2013-12-03 21:56:07 +05:30
Moinak Ghosh
c4c4b47138 Use Libbsc for DNA Sequence data instead of PPMD. Faster, better compression. 
Fix pz extension handling for real.
 2013-11-30 09:58:21 +05:30
Moinak Ghosh
dfeea8c19b Avoid Delta2,LZP for TIFF files. Negatively impacts compression. 2013-11-29 19:47:57 +05:30
Moinak Ghosh
306f145f22 Use libbsc/ppmd for BMP files. 
Fix extension based hashing.
Do not append .pz extension to filenames already having it.
Some code formatting changes.
 2013-11-28 22:42:51 +05:30
Moinak Ghosh
0192790c02 Add Dispack filter with auto-detection of x86 executables in archive mode. 
More elaborate magic header based detection of 32-bit and 64-bit x86 binaries.
Always use fast-mode LZ4 in Adaptive modes.
 2013-11-24 19:45:58 +05:30
Moinak Ghosh
1e2c3e479a Optimize preprocessed compression and avoid a bunch of memory copies. 
Fix a crash.
Add a few more file types.
More comments.
 2013-11-22 20:44:26 +05:30
Moinak Ghosh
e90c52e516 Work in progress changes for packJPG encoding and decoding. 
Enhance custom LibArchive filter functionlity.
 2013-11-13 23:28:01 +05:30
Moinak Ghosh
6aacd903ff Structured handling of file types. 
Handling of already compressed data based on compression algorithm.
Add a few more extension types.
 2013-11-09 16:46:19 +05:30
Moinak Ghosh
cae9de9b2e Leverage file type detection(archiver) to improve compression performance. 
Use detected file/data type(archiver) for Adaptive compression modes.
Update type flags and add more extensions.
 2013-11-08 23:50:28 +05:30
Moinak Ghosh
b7facc929e Add file type detection based on magic values. 
Add more comments.
Add more extensions.
 2013-11-07 23:57:15 +05:30
Moinak Ghosh
991482403b Add extension based file type detection and setting segment data type. 
Use Bob Jenkins Minimal Perfect Hash to check for known extensions.
Use semaphore signaling and direct buffer copy for extraction.
Miscellaneous fixes.
 2013-11-07 21:48:54 +05:30