[FFmpeg-devel] [PATCH v9 2/4] avcodec/hevc_sei: add support for user data unregistered SEI message

[Derek Buitenhuis]

On 17/03/2020 23:11, Limin Wang wrote:
> The user data unregistered allows arbitrary data to be carried in the bitstream,
> for example, ROI info, time info etc. For the real support patch, please refer to
> the pending patch series 7, 8 in below link:
> https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200107050355.17503-1-lance.lmwang@gmail.com/

I understand what the SEI does. I was inquiring as to what the usecase you had
in mind for it specifically. I don't like the idea of adding APIs that are only
theorically useful - that is, what data is intended to be shoved in there?

- Derek