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Old 10-04-2018, 06:19
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srep64+lolz+lz77

for compression used these configs in arc.ini

[External compressor:srep64]
header = 0
packcmd = srep64 {options} -m3f -ia- -l512 $$arcdatafile$$.tmp $$arcpackedfile$$.tmp
unpackcmd = srep64 {options} -d -s - - <stdin> <stdout>

[External compressor:lolz]
header = 0
packcmd = lolz_x64.exe -d256mb -tt8 -mc1023 {options} $$arcdatafile$$.tmp $$arcpackedfile$$.tmp

[External compressor:lz77]
header = 0
packcmd = xz a -txz -an -mcrc=0 -m1=lzma2:d300m:fb=273:mf=bt4:mc=1000000:lc=4:lp=0 -mmt=2 -mx9 -si -so <stdin> <stdout>
unpackcmd = dec x -txz -an -y -si -so <stdin> <stdout>

now after compressing files i made changes to my installer and wanted to unpack them via installer but the installer is returning error now, last time i used the same compression and decompressed successfully but now decompression is not working ...............i dunno what i used....lol

but when i click and open the installer and click install button after 10 seconds>>>>btw i am using razor installer.....please help

Code:
An error occurred while unpacking: Unable to write data to disk!
Unarc.dll returned an error code:-11
ERROR: archive data corrupted (decompression fails)

Last edited by PsYcHo_RaGE; 10-04-2018 at 06:41.
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Old 10-04-2018, 06:37
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1. The method is weird, using xz after lolz isn't going to give any benefit.
2. Make sure you have enough disk space and included cls and other stuff in your installer
3. Make sure the unarc.dll and fa is compatible with each other
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Old 10-04-2018, 06:40
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Quote:
Originally Posted by 78372 View Post
1. The method is weird, using xz after lolz isn't going to give any benefit.
2. Make sure you have enough disk space and included cls and other stuff in your installer
3. Make sure the unarc.dll and fa is compatible with each other
Can you explain it broadly
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Old 10-04-2018, 06:43
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Quote:
Originally Posted by 78372 View Post
1. The method is weird, using xz after lolz isn't going to give any benefit.
2. Make sure you have enough disk space and included cls and other stuff in your installer
3. Make sure the unarc.dll and fa is compatible with each other
what are the files i need to add to installer and what i write in arc.ini(i think its the root of error)....
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Old 10-04-2018, 06:44
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1. lolz is a final compressor which uses huffman and completes finding matches, xz(lz77) is another final compressor like lolz, that can't work on data which is already compressed by something else(lolz here)
2. You need to include srep64.exe dec.exe, cls-lolz* and that arc.ini in your installer(both in files and code) to make the installer work.
3. If you don't use the same version of fa to pack and unpack, there can be errors, though I am not much sure about this thing
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Old 30-05-2018, 04:02
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This method only works because lolz set to high -mc parameter (works like -l parameter in srep)
-mc1023 sets lz matches not to search for lz libs less than 1023kb(?) if i understand right (but i might not)

then xz (lz77) searches for rest of headers less than 1023kb... it compresses what's left by lolz

better to use lolz only and set -mc to 128 or less but this has a great impact on compression speed... (you can use -mt4/x parameter to compensate: it doesn't such have a great impact on final compression ratio)

Again, i might get wrong about how this all works ...if you have better explanation i would be glad to learn from you Guys
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Old 30-05-2018, 04:05
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i think lolz compress'es data and closes the file, so if u used lz77 after lolz it might increase the size of ...
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Old 31-05-2018, 08:45
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Quote:
Originally Posted by Jiva newstone View Post
i think lolz compress'es data and closes the file, so if u used lz77 after lolz it might increase the size of ...
no it doesn't it actually compresses it even more by chunking
but only a few mbs
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Old 31-05-2018, 22:37
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Quote:
Originally Posted by PsYcHo_RaGE View Post
no it doesn't it actually compresses it even more by chunking
but only a few mbs
7zip is very troublesome when it comes to using it in arc.ini based compressors..
if it is only a few MB i would just just use lolz
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Old 01-06-2018, 08:40
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Quote:
Originally Posted by darkwolves View Post
7zip is very troublesome when it comes to using it in arc.ini based compressors..
if it is only a few MB i would just just use lolz
well i didn't use it now it was just for an experiment, i am using lolz now
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Old 01-06-2018, 08:58
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Quote:
Originally Posted by PsYcHo_RaGE View Post
well i didn't use it now it was just for an experiment, i am using lolz now
yeah it is a pain...lol
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