On 3/17/2020 11:37 PM, Limin Wang wrote: > On Wed, Mar 18, 2020 at 12:13:33AM +0000, Derek Buitenhuis wrote: >> 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.lmw...@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? > > In order to identify the source of time used in the live event, the encoder > system can > insert a time mode-source code along with each embedded precision time stamp. > Each time mode-source code will be inserted into the H.264/H.265 bitstream as > an SEI > message of type User Data (Unregistered). The format is self-defined json > string
You may want to look at the Producer Reference Time side data, then. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
