[Cin] OpenEXR (hardcoded) multithreading, new compression patch

Andrew Randrianasulu randrianasulu at gmail.com
Tue Mar 17 10:33:25 CET 2020

I still don't know how to set attribute in OpenEXR, its here in

// dwaCompressionLevel -- sets the quality level for images compressed
// with the DWAA or DWAB method.

IMF_STD_ATTRIBUTE_DEF (dwaCompressionLevel, DwaCompressionLevel, float)

but c++/c  still definitely not my language ...

I killed few blank lines in fileexr.C, I hope this is ok

Additions to asset.c | h not included ..They not really usable without setting this new attribute

Also, I still have no idea how to downpropagate cpu count .. file.C knows it,
but File::EXR not ...

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