[Bug 666583] New: matroskademux: too many bus messages in streamable mode

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=666583
  GStreamer | gst-plugins-good | git

           Summary: matroskademux: too many bus messages in streamable
                    mode
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: enhancement
          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 try a pipeline such this:

gst-launch -e -v v4l2src ! jpegenc ! matroskamux streamable=true ! filesink
location=/tmp/test.mkv

and then play the produced file with something like this:

gst-launch -m filesrc location=/tmp/test.mkv ! matroskademux ! jpegdec !
xvimagesink

for each frame you'll see a new message on the bus:

"matroskademux0" (duration): GstMessageDuration,
format=(GstFormat)GST_FORMAT_TIME, duration=(gint64)-1;

maybe this make sense only if something changed, maybe this message could be
posted only the first time and not for every frame to reduce resource usage

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