[FFmpeg-devel] [PATCH] avformat, ffmpeg: deprecate old rotation API

[Clément Bœsch]

On Tue, Mar 21, 2017 at 08:42:58AM +0100, wm4 wrote:
> The old "API" that signaled rotation as a metadata value has been
> replaced by DISPLAYMATRIX side data quite a while ago.
> 
> There is no reason to make muxers/demuxers/API users support both. In
> addition, the metadata API is dangerous, as user tags could "leak" into
> it, creating unintended features or bugs.
> 
> Unfortunately, hacks have been added, that allow the user to override
> rotation by setting metadata explicitly, e.g. via
> 
>   -metadata:s:v:0 rotate=0
> 

does remux and transcode properly keeps the property? And the other way
around, can we still remove the rotate property?

[...]

-- 
Clément B.
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