[gstreamer-bugs] [Bug 632549] New: [mpeg2dec] answers to position queries are wrong for DVDs

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=632549
  GStreamer | gst-plugins-ugly | git

           Summary: [mpeg2dec] answers to position queries are wrong for
                    DVDs
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-ugly
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: gemont at igalia.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


Created an attachment (id=172710)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=172710)
shows the current position every second, according to the pipeline and the
decoder

The position returned by mpeg2dec are wrong for DVDs. This can be put in
evidence with the attached example to run with a dvd device or iso file as
argument.

The example displays every second the position, as returned by the decoder and
by the whole pipeline (I guess in that case the sink is answering the query).

When starting playback from any chapter (e.g. through the DVD menus), the
position at the start of chapter is at around 10s according to the decoder.

I have a patch that works around this by forwarding the query upstream.

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