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easy7zip/CPP/7zip/Bundles/Codecs/README.md
2023-02-18 18:03:30 +01:00

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This archive contains two precompiled DLL's for 7-Zip v17.00 or higher.
## Installation
1. download the codec archiv from https://mcmilk.de/projects/7-Zip-zstd/
2. create a new directory named "Codecs"
3. put in there the files of the Codecs-ARCH.7z archiv to your Installation
- normally, the x32 should go to: "C:\Program Files (x86)\7-Zip\Codecs"
- x64: version should go in here: "C:\Program Files\7-Zip\Codecs"
## Usage
- when compressing binaries (*.exe, *.dll), you have to explicitly disable
the bcj2 filter via `-m0=bcj`
- so the usage should look like this:
```
7z a archiv.7z -m0=bcj -m1=zstd -mx1 ...Fast mode, with BCJ preprocessor on executables
7z a archiv.7z -m0=bcj -m1=zstd -mx.. ...
7z a archiv.7z -m0=bcj -m1=zstd -mx21 ...2nd Slowest Mode, with BCJ preprocessor on executables
7z a archiv.7z -m0=bcj -m1=zstd -mx22 ...Ultra Mode, with BCJ preprocessor on executables
```
## License and redistribution
- the same as the original 7-Zip, which means GNU LGPL