[Bug 762326] gstrtpjitterbuffer GST_QUERY_POSITION reports position and not stream_time

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Mon Feb 22 14:40:08 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=762326

--- Comment #13 from Sergio Torres Soldado (zenx) <torres.soldado at gmail.com> ---
The objective is the same as originally, to find an appropriate method to
expose the ntp timestamps from the RTCP SR through gstreamer. From what I've
understood it should be exposed through the stream_time which is what should be
returned from using gst_element_query_position() although at least for
rtspjitterbuffer gst_element_query_position() returns the actual stream
position instead of the stream_time.

Now there is the problem of representing the ntp offset because the running
time value might be bigger than the ntp timestamp and therefore the difference
cannot be represented in segment->time. We could always make time be a signed
value.. but I don't know what issues might arise from that.

Other issues might arise with stream operations (seek/trickmode?)..

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