[Bug 673504] New: gst-discoverer tags missing between two different runs

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=673504
  GStreamer | gst-plugins-base | 0.10.x

           Summary: gst-discoverer tags missing between two different runs
    Classification: Platform
           Product: GStreamer
           Version: 0.10.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: n.vivia at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Hello,

I am running gst-discoverer-0.10 on a file with several subtitle streams
(attached). Between two different runs of the same discoverer on the same
machine, the container-format tag on subtitle streams is sometimes missing.

I've even seen one language getting detected as NULL and its taglist missing,
but I can't reproduce that anymore.

I am pasting the output of three different runs.

$ gst-discoverer-0.10 -v mewmew-vorbis-ssa.mkv |grep -i lang
      Language: sv
        taglist, language-code=(string)sv, container-format=(string)Matroska;
      Language: es
        taglist, language-code=(string)es, container-format=(string)Matroska;
      Language: ru
        taglist, language-code=(string)ru, container-format=(string)Matroska;
      Language: pt
        taglist, language-code=(string)pt, container-format=(string)Matroska;
      Language: pl
        taglist, language-code=(string)pl, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: no
        taglist, language-code=(string)no, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: ja
        taglist, language-code=(string)ja, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: it
        taglist, language-code=(string)it, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: hu
        taglist, language-code=(string)hu, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: he
        taglist, language-code=(string)he, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: de
        taglist, language-code=(string)de, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: fr
        taglist, language-code=(string)fr, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: fi
        taglist, language-code=(string)fi, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: en
        taglist, language-code=(string)en, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: nl
        taglist, language-code=(string)nl, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: en
        taglist, language-code=(string)en, container-format=(string)Matroska;
      Language: ja
        taglist, language-code=(string)ja, container-format=(string)Matroska,
encoder=(string)"Xiph.Org\ libVorbis\ I\ 20020717", encoder-version=(uint)0,
audio-codec=(string)Vorbis, nominal-bitrate=(uint)112001, bitrate=(uint)112001;

$ gst-discoverer-0.10 -v mewmew-vorbis-ssa.mkv |grep -i lang
      Language: sv
        taglist, language-code=(string)sv, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: es
        taglist, language-code=(string)es, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: ru
        taglist, language-code=(string)ru, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: pt
        taglist, language-code=(string)pt, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: pl
        taglist, language-code=(string)pl, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: no
        taglist, language-code=(string)no, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: ja
        taglist, language-code=(string)ja, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: it
        taglist, language-code=(string)it, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: hu
        taglist, language-code=(string)hu, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: he
        taglist, language-code=(string)he, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: de
        taglist, language-code=(string)de, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: fr
        taglist, language-code=(string)fr, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: fi
        taglist, language-code=(string)fi, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: en
        taglist, language-code=(string)en, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: nl
        taglist, language-code=(string)nl, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: en
        taglist, language-code=(string)en, container-format=(string)Matroska,
subtitle-codec=(string)"SubStation\ Alpha";
      Language: ja
        taglist, language-code=(string)ja, container-format=(string)Matroska,
encoder=(string)"Xiph.Org\ libVorbis\ I\ 20020717", encoder-version=(uint)0,
audio-codec=(string)Vorbis, nominal-bitrate=(uint)112001, bitrate=(uint)112001;

$ gst-discoverer-0.10 -v mewmew-vorbis-ssa.mkv |grep -i lang
      Language: sv
        taglist, language-code=(string)sv, container-format=(string)Matroska;
      Language: es
        taglist, language-code=(string)es, container-format=(string)Matroska;
      Language: ru
        taglist, language-code=(string)ru, container-format=(string)Matroska;
      Language: pt
        taglist, language-code=(string)pt, container-format=(string)Matroska;
      Language: pl
        taglist, language-code=(string)pl, container-format=(string)Matroska;
      Language: no
        taglist, language-code=(string)no, container-format=(string)Matroska;
      Language: ja
        taglist, language-code=(string)ja, container-format=(string)Matroska;
      Language: it
        taglist, language-code=(string)it, container-format=(string)Matroska;
      Language: hu
        taglist, language-code=(string)hu, container-format=(string)Matroska;
      Language: he
        taglist, language-code=(string)he, container-format=(string)Matroska;
      Language: de
        taglist, language-code=(string)de, container-format=(string)Matroska;
      Language: fr
        taglist, language-code=(string)fr, container-format=(string)Matroska;
      Language: fi
        taglist, language-code=(string)fi, container-format=(string)Matroska;
      Language: en
        taglist, language-code=(string)en, container-format=(string)Matroska;
      Language: nl
        taglist, language-code=(string)nl, container-format=(string)Matroska;
      Language: en
        taglist, language-code=(string)en, container-format=(string)Matroska;
      Language: ja
        taglist, language-code=(string)ja, container-format=(string)Matroska,
encoder=(string)"Xiph.Org\ libVorbis\ I\ 20020717", encoder-version=(uint)0,
audio-codec=(string)Vorbis, nominal-bitrate=(uint)112001, bitrate=(uint)112001;

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