[FFmpeg-devel] [PATCH] Add support for spherical uuid in mov

[Hendrik Leppkes]

On Thu, Apr 21, 2016 at 10:10 AM, wm4 <nfxjfg at googlemail.com> wrote:
> On Wed, 20 Apr 2016 19:46:05 -0700
> Neil Birkbeck <neil.birkbeck at gmail.com> wrote:
>
>> If you use "spherical-video" and put it in the stream's metadata, it
>> will more naturally agree with location in stream-level tag in mkv:
>> https://github.com/google/spatial-media/blob/master/docs/spherical-video-rfc.md
>
> (Replying to both.)
>
> This kind of metadata is basically for user info and things like tags.
> It should NOT be used to export semantic/mandatory information about
> the video stream.
>
> To make it even worse, ffmpeg.c will happily put those tags into other
> container/codecs, which means using metadata for this information will
> likely produce broken files that can only be read by ffmpeg itself.

One developer from Libav is working on defining side-data for this
spherical data. If you want to push this forward I suggest you join
those efforts.
ie. this patch for mov: https://patches.libav.org/patch/60300/ (part
of a longer series)

- Hendrik