Commit Graph

19 Commits

Author SHA1 Message Date
Roy Oursler
871ad43fad igzip: Fix bug in isal_deflate where processed is not calculated correctly.
Change-Id: I61e15a18ebe3130e73010337d2d41f59e2227f08
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 17:20:32 -07:00
Roy Oursler
bad6569acc igzip: Document and add some defines for higher level compressions
Change-Id: I4d9fc9d7f697e721e247a64b2522ef2793c2d07f
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 17:18:55 -07:00
Roy Oursler
e38ed4b54e igzip: Increase isal_mod_hist size to stop histogram overflow
Change-Id: I1c651c9625d0fb543cd89e53e2b78b391176ef68
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 17:11:51 -07:00
Roy Oursler
01dfbcc484 igzip: implement igzip two pass
Change-Id: I9564b2da251a02197b39cab5f141e7aff1ae8439
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 16:50:48 -07:00
Greg Tucker
d549db38e5 doc: Fix igzip header description for isal_create_hufftables
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2017-01-11 10:31:44 -07:00
Roy Oursler
7fefb53938 igzip: Add a hufftable for the static Huffman code in Deflate
Change-Id: If8aadce05bcb705e608fe3ed6028be9a7448fa59
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2016-12-06 16:15:57 -07:00
Roy Oursler
4809b9ba83 igzip: Create flag signifying existence of buffer history
Create a flag signifying the existence of buffer history so a literal does not
have to be encoded on every call of isal_deflate_body and isal_deflate_finish.

Change-Id: I3750cac7e5f19fbaa190e19fb929172c16289723
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2016-12-06 11:22:22 -07:00
Roy Oursler
266ac91a6e igzip: Allow user to write a custom gzip header before compressing with gzip
Modify gzip_flag so that if set to IGZIP_GZIP_NO_HDR, no gzip hdr is written.

Change-Id: I79dbd5287cf471777b10412c17d23dc7f5a57bf6
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2016-12-06 11:17:33 -07:00
Roy Oursler
e569ff70e7 igzip: Create flag for inflate to return crc of the decompressed data
Change-Id: I2d966f2d4ca135e3c938a9501bf5d2e11d8e92fe
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2016-12-06 11:16:34 -07:00
Roy Oursler
4ea4f81138 igzip: Make gzip format a run time option.
Change-Id: Ia986d378763146b33c733751652bff788ec3cb9d
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2016-12-06 11:16:07 -07:00
Roy Oursler
d941b66162 igzip: Improve igzip stateful on large buffers
Change-Id: I3e9e56958e8ea3e636df3369b29c3d4b94dce9d8
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2016-12-06 10:59:52 -07:00
Greg Tucker
3f6e646793 igzip: Fix for doc on return values and flush types
Change-Id: Ie1e0a516eb90b42d8e293952fe58387d9f348277
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-06 10:04:32 -07:00
Roy Oursler
88f95d8594 igzip: Merge inflate.h and igzip_lib.h and fix external naming
Merge inflate.h and igzip_lib.h and rename many defines to avoid conflicts,
along with general cleanup of the new header.

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-05 16:40:43 -07:00
Roy Oursler
9d53af0c7c igzip: Improve LARGE_WINDOW and change that option to be default.
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-05 16:36:31 -07:00
Roy Oursler
a1981da94e igzip: Create stateless FULL_FLUSH mode
Add flush modes to isal_deflate_stateless. IGZIP_USE_GZIP_FORMAT is not
supported because of limitations imposed by the statelessness.

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-05 16:16:11 -07:00
Roy Oursler
f97de75fc6 igzip: Port improvements to stateless compress to stateful compress
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 18:40:27 -07:00
Roy Oursler
31814483c0 igzip: Create assembly version of isal_update_histogram
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 17:16:55 -07:00
Roy Oursler
bbc886cf01 igzip: Modify igzip to ignore matches which are shorter than 4
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 17:07:45 -07:00
Greg Tucker
660f49b02d Add data compression unit
Include fast DEFLATE compatable compression functions.

Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2016-06-10 17:03:38 -07:00