[Bug 740130] New: matroskamux: wrong duration on some files

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=740130
  GStreamer | gst-plugins-good | 1.4.4

           Summary: matroskamux: wrong duration on some files
    Classification: Platform
           Product: GStreamer
           Version: 1.4.4
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: lists at svrinformatica.it
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


please take a look at the file here:

http://195.250.34.59/temp/wrong_duration.mkv

this file is without indexes

if you try to add indexes with a pipeline like this:

filesrc ! matroskademux ! matroskamux ! filesink

you'll get a file with a duration header of about 6 minutes 

the buffer timestamp indicate that the file is 5 minutes,

mkvmerge -o out.mkv wrong_duration.mkv

produce a file with a 5 minutes duration header, this is correct

maybe gstreamer matroskamux get confused from timestamp that occasionally go
backwards, for example:

0:05:00.098000000
0:05:00.065000000

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