<div dir="ltr">Substreams, Subtitles, Userdata which is an offset to start of video data so things like motion vectors <br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 31, 2023 at 4:29 AM Антон Шаров via gstreamer-devel <<a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div><div><div>Put it simple — is there any way to persist some (meta)data within each frame so that later one could read</div><div>from mp4 file each frame with it’s (meta)data? Ideally, I need it to be reference timestamps (camera capture time).</div><div>So, I’ve supposed that <a href="https://gstreamer.freedesktop.org/documentation/gstreamer/gstbuffer.html?gi-language=c#GstReferenceTimestampMeta" target="_blank">https://gstreamer.freedesktop.org/documentation/gstreamer/gstbuffer.html?gi-language=c#GstReferenceTimestampMeta</a> is persisted in file (mp4) for each frame but it seems not to be the case.</div><div>Or, probably, I misunderstood something.</div><div> </div> <div> </div></div></div>
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