[Libav-user] Detecting image orientation in pictures from a camera?
Carl Eugen Hoyos
cehoyos at ag.or.at
Sat Nov 17 11:41:08 CET 2012
Michael Bradshaw <mjbshaw at ...> writes:
> I've got a series of images taken with a camera that
> I need to process with libav*. Is there any way to check
> the EXIF data to determine rotation/orientation for the
> image (so that I can rotate it in my program)?
> When I print out the metadata for the AVFormatContext,
> AVStream, and AVFrame, they're all empty, and beyond
> that I'm not sure where to look.
Could you prepare a small test-case for trac?
Thank you, Carl Eugen
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