Quote:
Originally Posted by benwaggoner
You want to use --dhdr10-opt. That'll insert the SEI only on IDR frames and frames where the metadata changes.
Note that dynamic metadata isn't necessarily static across a shot; if there are dramatic changes in a shot, than there likely will be mid-shot metadata.
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I'm aware of x265's --dhdr10-opt, but I prefer to keep it the same as the source (which seems to always be for every frame).
Not sure if it would affect compatibility as well.