[Bug 751529] New: dashdemux: stream->presentationTimeOffset is not always set

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Jun 26 02:15:56 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=751529

            Bug ID: 751529
           Summary: dashdemux: stream->presentationTimeOffset is not
                    always set
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: florin.apostol at oregan.net
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

The standard does not impose any restrictions on when presentationTimeOffset
can be set, so in theory it  could be set for any segment, regardless of how
the segment is defined (segment base, segment list or segment template).
However, it seems that stream->presentationTimeOffset is only computed if the
segment list is obtained from a  template.

Shouldn't stream->presentationTimeOffset be set for any kind of segment?

stream->presentationTimeOffset is set by gst_mpd_client_setup_representation
and it's value is obtained using gst_mpd_parser_get_stream_presentation_offset
function.

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