Flip image and decode again on ECC failure #8
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As said in https://github.com/dlbeer/quirc/blob/master/README.md > In case you also need to support horizontally flipped QR-codes (mirrored images according to ISO 18004:2015, pages 6 and 62), you can make a second decode attempt with the flipped image data whenever you get an ECC failure
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As said in https://github.com/dlbeer/quirc/blob/master/README.md
I'm not sure whether we should enforce this behavior or add an option to enable it.