[gstreamer-bugs] [Bug 557378] New: input-selector element makes subtitles pop up at unexpected times
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Wed Oct 22 03:33:19 PDT 2008
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GStreamer | gst-plugins-bad | Ver: 0.10.8
Summary: input-selector element makes subtitles pop up at
unexpected times
Product: GStreamer
Version: 0.10.8
Platform: Other
OS/Version: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-plugins-bad
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: andreas.frisch at multimedia-labs.de
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME version: Unspecified
GNOME milestone: Unspecified
Please describe the problem:
when using an input-selector element to be able to switch between different
subtitle tracks out of a matroska container, the timing of the subtitle
callbacks gets messed up - callbacks generally happen too early.
Steps to reproduce:
1. gst-launch filesrc location=[testvideo.mkv] ! matroskademux name=d
d.video_00 ! queue ! [videosink] d.audio_00 ! queue ! [audiosink]
d.subtitle_00 ! ssaparse ! fakesink dump=true async=false sync=True
2. gst-launch filesrc location=[testvideo.mkv] ! matroskademux name=d
d.video_00 ! queue ! [videosink] d.audio_00 ! queue ! [audiosink]
d.subtitle_00 ! input-selector ! ssaparse ! fakesink dump=true async=false
sync=True
Actual results:
first command shows the subtitles buffers at expected times
second command results in subtitle buffers being handed off too quickly
Expected results:
i would expect the input-selector element not to affect the timing of subtitles
Does this happen every time?
yes. it also happens in a C++ application where signal-handoffs of the fakesink
is connected to a subtitle rendering callback function
Other information:
test container file where this behaviour can be observed is available at
http://rapidshare.com/files/156262942/testmovie.zip.html
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