Public bug reported:
I use this code for test playbin plugin video:
#!/usr/bin/python
import gi
gi.require_version('Gst', '1.0')
from gi.repository import Gst
Gst.init(None)
print Gst.version_string()
pipeline=Gst.ElementFactory.make('playbin', None)
----
It produces the ouput:
GStreamer 1.0.0
Error : Falta el elemento autovideosink.
Debug details : gstplaysink.c(1700): gen_video_chain ():
/GstPlayBin:playbin0/GstPlaySink:playsink
(python:17226): GLib-GObject-CRITICAL **: g_object_get_qdata: assertion
`G_IS_OBJECT (object)' failed
(python:17226): GLib-GObject-CRITICAL **: g_object_set_qdata_full:
assertion `G_IS_OBJECT (object)' failed
(python:17226): GLib-GObject-CRITICAL **: g_object_set_qdata_full:
assertion `G_IS_OBJECT (object)' failed
(python:17226): GLib-GObject-CRITICAL **: g_object_unref: assertion
`G_IS_OBJECT (object)' failed
The packages installed are gstreamer1.0-plugins-base gir1.2-gstreamer-1.0 and
gir1.2-gst-plugins-base-1.0
---
The ouput with strace -eopen shows the relevant part:
GStreamer 1.0.0
open("/usr/lib/i386-linux-gnu/gstreamer-1.0/libgstplayback.so",
O_RDONLY|O_CLOEXEC) = 3
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
open("/usr/lib/i386-linux-gnu/libgstpbutils-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3
open("/usr/lib/i386-linux-gnu/libgstaudio-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3
open("/usr/lib/i386-linux-gnu/libgstvideo-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3
open("/usr/lib/i386-linux-gnu/libgsttag-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3
open("/usr/lib/i386-linux-gnu/libgstbase-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3
open("/usr/lib/i386-linux-gnu/gstreamer-1.0/libgstcoreelements.so",
O_RDONLY|O_CLOEXEC) = 5
So /usr/lib/i386-linux-gnu/gstreamer-1.0/libgstcoreelements.so seems
doesn't include the autovideosink by default.
$ gst-inspect-1.0 playbin
Factory Details:
Rank: none (0)
gst-inspect-1.0: symbol lookup error: gst-inspect-1.0: undefined symbol:
gst_element_factory_get_metadata_keys
$ gst-inspect-1.0 | grep play
playback: playbin: Player Bin 2
playback: playsink: Player Sink
playback: subtitleoverlay: Subtitle Overlay
playback: decodebin: Decoder Bin
playback: uridecodebin: URI Decoder
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: gir1.2-gstreamer-1.0 0.11.91-1
ProcVersionSignature: Ubuntu 3.4.0-5.11-generic 3.4.0
Uname: Linux 3.4.0-5-generic i686
ApportVersion: 2.1.1-0ubuntu2
Architecture: i386
Date: Sun Jun 10 12:22:47 2012
InstallationMedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=es_ES.UTF-8
SHELL=/bin/bash
SourcePackage: gstreamer1.0
UpgradeStatus: Upgraded to quantal on 2012-06-05 (5 days ago)
** Affects: gstreamer1.0 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal running-unity
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https://bugs.launchpad.net/bugs/1011119
Title:
No autovideosink plugin for playbin (GstPlaySink) with GStreamer 1.0
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