playbin not displaying DVD subpicture in MKV file

Sun Dec 18 14:41:28 UTC 2016

Hello. I encoded a DVD to MKV using Handbrake on OSX. The subtitles show up fine using VLC but not using gst-launch-1.0 uri=« file:///xxx.mkv ». Dumping the graph shows that the DVD subtitles are detected; subtitleoverlay uses the right element (dvdspu), GST_DEBUG=*:4 shows not error or warning (there are messages about SPU packets popped, everything seems fine), but nothing actually shows up. Is that a known issue ?

Best regards
Jérôme Laheurte

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