Re: Persist timestamp meta data within buffer (frame) in mp4 file(s) and read it after.
Антон Шаров via gstreamer-devel <[email protected]>
| Newsgroups | gmane.comp.video.gstreamer.devel |
|---|---|
| Message-ID | <[email protected]> |
Hi. I wonder if it is possible to persist buffer (frame) timestamp metadata? >Понедельник, 31 июля 2023, 14:39 +03:00 от Jeff Shanab <[email protected]>: > >Substreams, Subtitles, Userdata which is an offset to start of video data so things like motion vectors >On Mon, Jul 31, 2023 at 4:29AM Антон Шаров via gstreamer-devel < [email protected] > wrote: >>Put it simple — is there any way to persist some (meta)data within each frame so that later one could read >>from mp4 file each frame with it’s (meta)data? Ideally, I need it to be reference timestamps (camera capture time). >>So, I’ve supposed that https://gstreamer.freedesktop.org/documentation/gstreamer/gstbuffer.html?gi-language=c#GstReferenceTimestampMeta is persisted in file (mp4) for each frame but it seems not to be the case. >>Or, probably, I misunderstood something. >> >> -