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April 2012

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2012.04.24 16:26 "YCbCr/JPEG issue in 4.0.1", by John Evans
2012.04.24 16:44 "Re: YCbCr/JPEG issue in 4.0.1", by Frank Warmerdam
2012.04.24 19:03 "Re: YCbCr/JPEG issue in 4.0.1", by John Evans
2012.04.24 19:19 "Re: YCbCr/JPEG issue in 4.0.1", by Even Rouault
2012.04.27 15:35 "Re: YCbCr/JPEG issue in 4.0.1", by Charles Auer
2012.04.27 17:07 "Re: YCbCr/JPEG issue in 4.0.1", by Joris Van Damme
2012.04.27 18:57 "Re: YCbCr/JPEG issue in 4.0.1", by John Evans
2012.04.28 01:58 "Re: YCbCr/JPEG issue in 4.0.1", by Charles Auer
2012.05.02 09:51 "Re: YCbCr/JPEG issue in 4.0.1", by Charles Auer
2012.05.03 21:58 "Re: YCbCr/JPEG issue in 4.0.1", by Joris Van Damme
2012.04.28 09:28 "Re: YCbCr/JPEG issue in 4.0.1", by Joris Van Damme
2012.04.28 09:46 "Re: YCbCr/JPEG issue in 4.0.1", by Joris Van Damme
2012.04.28 15:10 "Re: YCbCr/JPEG issue in 4.0.1", by Charles Auer
2012.04.28 16:26 "Re: =?windows-1256?q?YCbCr/JPEG_issue_in_4=2E0=2E1=FE?=", by Charles Auer
2012.05.01 12:52 "Re: YCbCr/JPEG issue in 4.0.1", by Joris Van Damme

2012.05.03 21:58 "Re: 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