[Bug 756967] New: When DTS is not set for JPEG format, matroska muxer drops buffer with invalid time stamp

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Oct 22 06:23:36 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=756967

            Bug ID: 756967
           Summary: When DTS is not set for JPEG format, matroska muxer
                    drops buffer with invalid time stamp
    Classification: Platform
           Product: GStreamer
           Version: 1.6.0
                OS: Linux
            Status: NEW
          Severity: major
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: panda_srimanta at yahoo.co.in
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

>From video sources producing JPEG format and only setting the PTS for the
outgoing buffer (not setting the DTS), matroska muxer drops all the buffer
assuming invalid time time (during gst_matroska_mux_write_data()).

The root cause of the issue is for JPEG, a dts_only flag is set to TRUE. And
based on this flag, matroska tries to get the DTS as the time stamp of the
buffer (matroska-ids.c:gst_matroska_track_get_buffer_timestamp()).

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