[gstreamer-bugs] [Bug 610906] New: [assrender] subtitles can show up late or not at all

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Feb 23 20:22:36 PST 2010


https://bugzilla.gnome.org/show_bug.cgi?id=610906
  GStreamer | gst-plugins-bad | git

           Summary: [assrender] subtitles can show up late or not at all
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: erappleman at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


This occurs most visibly with complex karaoke but I have seen it occur randomly
with simple dialogue (extremely rare).

Sample: http://www.megaupload.com/?d=TVFH66Q3

I use this sample video to stress test assrender's advanced capabilities.

At any rate, in this video, both lateness and an occasion absence of subtitles
can be observed.

A 14 seconds (Apple! Picking! Beam!) and 19 seconds ("Your life changes
everything!), text that should've been rendered already or rendered in sequence
does not appear when expected. The first case does not render on time unless
one seeks to the keyframe that starts the sequence. The latter case won't under
any circumstance.

Perhaps related, video stops briefly at 26 seconds. This occurs without fail
using assrender.

Subs will reliably, but not always cut out at around 40 seconds and not return
unless one seeks towards the beginning of the video.

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