|
|
e7aaf1491a
|
add old-prob-update to compare script, add reverse option
|
2022-09-14 23:51:38 +02:00 |
|
|
|
a1dabaf7f9
|
add simple script to compare compression of variants
|
2022-09-14 23:41:14 +02:00 |
|
|
|
75e375fb1f
|
Merge branch 'ped7g-z80_ped7g' into z80
|
2022-09-14 09:03:28 +02:00 |
|
Peter Helcmanovsky (Ped)
|
c7ea11bce3
|
z80_unpacker: optimisations: -2B in unpack implementation = 183B
|
2022-09-14 01:44:04 +02:00 |
|
Peter Helcmanovsky (Ped)
|
02d20867ee
|
z80_unpacker: optimisations: -2B in unpack implementation = 185B
|
2022-09-14 01:01:56 +02:00 |
|
Peter Helcmanovsky (Ped)
|
511ddefc08
|
z80_unpacker: optimisations: -4T per offset/length bit decoded
making the 256-alignment of probs array even more baked-in, but there
was no real chance to get rid of that any way
|
2022-09-14 00:01:51 +02:00 |
|
Peter Helcmanovsky (Ped)
|
d30baaa91f
|
z80_unpacker: optimisations: -1B by keeping write_ptr in DE'
|
2022-09-13 23:57:59 +02:00 |
|
Peter Helcmanovsky (Ped)
|
919a892ef0
|
z80_unpacker: optimisations: -1B by decode_length returning CF=0
|
2022-09-13 23:25:03 +02:00 |
|
Peter Helcmanovsky (Ped)
|
ea5c0b1b15
|
z80_unpacker: optimisations: shorter >>4 in probs update
|
2022-09-13 23:15:18 +02:00 |
|
Peter Helcmanovsky (Ped)
|
a19ec2abb7
|
z80_unpacker: optimisations: remove .offset init
first offset is mandatory in packed data
|
2022-09-13 22:53:15 +02:00 |
|
Peter Helcmanovsky (Ped)
|
7b051113e1
|
z80_unpacker: initial working version with screen-slideshow example
|
2022-09-13 22:12:03 +02:00 |
|
|
|
f1f1c64a76
|
implement simplified prob update, update unpack.c
|
2022-09-10 12:01:42 +02:00 |
|
|
|
36cb6d77b5
|
BE bitstream, flip bit encoding
|
2022-09-10 11:31:09 +02:00 |
|
|
|
629c5fce7d
|
optimize c_unpacker state update a bit, add -b flag to --help
|
2022-09-09 19:10:31 +02:00 |
|
|
|
a205473ad6
|
slight optimization
v0.1.0
|
2022-09-09 08:32:03 +02:00 |
|
|
|
4903ac3786
|
c unpacker now works
|
2022-09-09 00:47:33 +02:00 |
|
|
|
f817dc9254
|
first try of c decompressor, not working yet
|
2022-09-08 23:42:03 +02:00 |
|
|
|
d93aec186c
|
add compressed_size function
|
2022-06-19 23:08:47 +02:00 |
|
|
|
3902425922
|
add bitstream variant, could be useful on 8bit platforms
|
2021-12-28 23:59:56 +01:00 |
|
|
|
2e7983fc65
|
use u8 context entries
|
2021-12-27 22:35:53 +01:00 |
|
|
|
f7f891e154
|
fix creating broken files if they end with a match
|
2021-12-27 22:34:14 +01:00 |
|
|
|
08c86af06f
|
some slight tweaks to the compressed format
|
2021-12-27 16:58:39 +01:00 |
|
|
|
7d280bd533
|
unify interface, only one pack function now
|
2021-11-26 21:58:28 +01:00 |
|
|
|
c0560f99a8
|
add compression levels
|
2021-11-26 00:01:33 +01:00 |
|
|
|
5fedc032a9
|
speed optimizations + progress bar
|
2021-11-25 22:43:39 +01:00 |
|
|
|
5e82c65c18
|
a few speed and/or compression ratio improvements
|
2021-11-24 22:35:24 +01:00 |
|
|
|
11b43f9bc4
|
implement parsing packer + fix huge bug in match finder
|
2021-11-24 09:28:18 +01:00 |
|
|
|
470b778340
|
change entropy coder from Range to rANS
|
2021-11-22 23:14:24 +01:00 |
|
|
|
479a2e2c89
|
make packer usable as lib
|
2021-11-20 16:27:35 +01:00 |
|
|
|
8f23ec711f
|
first version, only very simple greedy packer
|
2021-11-19 21:40:37 +01:00 |
|
