[ogg-dev] Embedding Wall Time into Ogg Streams

Silvia Pfeiffer silvia at silvia-pfeiffer.de
Mon May 4 21:27:59 PDT 2009

Hi George,

Skeleton http://wiki.xiph.org/index.php/Skeleton actually allows for
the insertion of a UTC time into an Ogg stream. This implies that a
mapping is done between the initial timecode of the start of the
stream to a UTC wallclock time. A player can use this to display the
wallclock time in addition to the timecode in a player. I am not aware
of any player that has implemented it, but I thought I should point
out that Ogg in principle supports this.


On Tue, May 5, 2009 at 8:25 AM, George Chriss <GChriss at psu.edu> wrote:
> Hi,
> Is anyone aware of existing discussion on embedding the actual wall time
> (as in RFC-822 date-time) into Ogg streams of continuous or
> semi-continuous recordings?  And any methods of addressing Ogg streams by
> the wall time in lieu of a standard timecode?
> Ideally, users would be able to take note of the wall time during an event
> of interest, then retrieve the segment by that same wall time rather than
> searching from "0:00" at the start of the recording.
> Sincerely,
> George
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