[FFmpeg-devel] [PATCH]Reset rotation information when using the transpose filter

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Nov 15 11:07:14 CET 2012

Clément Bœsch <ubitux <at> gmail.com> writes:

>  - the user has a player honoring correctly the metadata, but he wants to
>    rotate the video even more (without even knowing there is already a
>    soft rotation done). So he will just add naively a vf transpose: this
>    will still work for him, except if you decided to drop the rotate
>    metadata from the filter: the transmux/transcode needs to keep a
>    maximum of information from the input.

I don't think this is the use-case we should care about.
(It sounds like "undefined behaviour" to me.)

Carl Eugen

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