2012.05.03 21:58 "Re: [Tiff] YCbCr/JPEG issue in 4.0.1", by Joris Van Damme

Charles,

> How can I find out at run-time if YCbCr Subsampling tag values have been > auto-corrected?

It's been quite some time since I last looked at this stuff. It's fragile, chances are it depends on circumstances, and it may changes between versions. Or maybe it's predictable and happens at IFD reading time. I just don't remember. The only way to find out, is to investigate the code.

Best regards,

Joris