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AURORA: ERF Compression 2 and 3 #335

Nostritius opened this issue Aug 19, 2018 · 3 comments


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commented Aug 19, 2018

The xbox version of Dragon Age 2 uses two new compressions with the ids 2 and 3 in the erf files which cannot be recognized from ther ERFFile class at the moment.


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commented Aug 19, 2018

My suspicion is, that it is lzo since bioware used this compression before Dragon Age 2 in the Mass Effect 2 pcc archives.

@DrMcCoy DrMcCoy added DA2 and removed DA:O labels Aug 19, 2018


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commented Dec 25, 2018

According to @gibbed

None = 0, // all platforms
BiowareZlib = 1, // all platforms
LZMA = 2, // PS3
XMemLZX = 3, // XBOX 360
HeaderlessZlib = 7, // all platforms


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commented Dec 27, 2018

Thanks for the ping, you made me realize I hadn't removed the old repo for my Bioware code. That code has been migrated to GitHub:


(I'll be removing the old repo when I have time, so I don't want to leave you hanging in that case)

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