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Message #00151
[Bug 827951] Re: Openshot cannot find already installed codecs
Hi Andy
First of all, thanks for that awesome tool Openshot, I really did
enjoyed it, it's a pity that now I can't because of this bug. I keep
editing my videos as usual, and waiting for this bug to be fixed and
eventually be able to export my work.
Although Openshot does not use QT, it indeed uses melt, that at some
point, it seems to use QT. I'm not a developer, but I know that QT are
graphic libraries, so I was surprised when I saw the output of gdb
pointing a libQtCore error that makes melt segfault, as melt is a
console tool, not a graphic one. Maybe that libQtCore error comes from
some other place, I really don't know, I can only tell you what gdb
points out.
The fact is that as melt segfaults, Openshot is not able to use it and
so the messsage
"No formats or codecs were found. Please check the OpenShot preferences
and configure the 'melt' command name."
is thrown to the user, and no codecs can be used to export the edited
file, which makes Openshot useless at that point.
Please don't hesitate to ask me for further information about this bug.
Maybe I should contact QT developers and tell them about this, but I
don't know how to do it. I found this place clicking the "report a bug"
option from Openshot's help menu. I don't know how to reach QT
mantainers.
Thanks
Ricard
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https://bugs.launchpad.net/bugs/827951
Title:
Openshot cannot find already installed codecs
Status in OpenShot Video Editor:
New
Bug description:
Os name & version: 2 different machines:
Debian wheezy kernel 3.0.0-1-powerpc64.
Debian wheezy kernel 3.0.0-1-i386
Installation method: DEB packages
Openshot version: OpenShot 1.3.1
Bug info:
Everytime I launch openshot, a little window shows the message:
"No formats or codecs were found. Please check the OpenShot preferences and configure the 'melt' command name."
Everything related to melt and openshot preferences is already configured, all codecs are installed as well. As a matter of fact, openshot starts correctly and is also possible to edit videos, but exporting them is not possible.
IMHO is all related to a malfunction of melt program which segfaults every now and then. I attach the openshot.debug file, and also a gdb-debugged sesion of melt:
############# BEGIN openshot.debug ################
-----------------------------------------------------------
OpenShot Debug File 0.0.2 - 2011-08-17 12:58:39.781168
-----------------------------------------------------------
This file contains a list of installed packages related to OpenShot,
locations of files, and a list of shared libraries used by python-mlt.
-----------------------------------------------------------
Distribution Version Info
-----------------------------------------------------------
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux testing (wheezy)
Release: testing
Codename: wheezy
-----------------------------------------------------------
List of Installed Packages
-----------------------------------------------------------
Desitjat=desconegUt/Instaŀla/supRimeix/Purga/retín(H)
| Estat=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Estat,Err: majúsc.=dolent)
||/ Nom Versió Descripció
+++-======================================-=================================-==============================================================================
un libmlt1 <none> (no hi ha cap descripció disponible)
un libmlt2 <none> (no hi ha cap descripció disponible)
ii openshot 1.3.1-1 Create and edit videos and movies
un python-mlt2 <none> (no hi ha cap descripció disponible)
No s'ha trobat cap paquet que correspongui amb python-mlt.
No s'ha trobat cap paquet que correspongui amb openshot-mlt.
-----------------------------------------------------------
Python Path (i.e. sys.path)
-----------------------------------------------------------
/home/mombars/programes/openshot
/usr/lib/python2.6
/usr/lib/python2.6/plat-linux2
/usr/lib/python2.6/lib-tk
/usr/lib/python2.6/lib-old
/usr/lib/python2.6/lib-dynload
/usr/local/lib/python2.6/dist-packages
/usr/lib/python2.6/dist-packages
/usr/lib/python2.6/dist-packages/PIL
/usr/lib/pymodules/python2.6/gtk-2.0
/usr/lib/python2.6/dist-packages/gst-0.10
/usr/lib/python2.6/dist-packages/gtk-2.0
/usr/lib/pymodules/python2.6
/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode
-----------------------------------------------------------
Files in /usr/lib/pymodules/python2.6/mlt (used by python-mlt)
-----------------------------------------------------------
find: «/usr/lib/pymodules/python2.6/mlt»: El fitxer o directori no existeix
-----------------------------------------------------------
Attempt to import mlt (using Python)
-----------------------------------------------------------
Successfully imported mlt library!
-----------------------------------------------------------
Find 'openshot' files & folders
-----------------------------------------------------------
-----------------------------------------------------------
Find 'mlt' files & folders
-----------------------------------------------------------
-----------------------------------------------------------
Find libmlt*.so*
-----------------------------------------------------------
-----------------------------------------------------------
Locate '_mlt.so', used by python-mlt
-----------------------------------------------------------
/usr/lib/pymodules/python2.6/_mlt.so
/usr/lib/pyshared/python2.6/_mlt.so
-----------------------------------------------------------
Shared Libraries for /usr/lib/pymodules/python2.6/_mlt.so
-----------------------------------------------------------
linux-vdso32.so.1 => (0x00100000)
libmlt++.so.3 => /usr/lib/libmlt++.so.3 (0x6ff29000)
libmlt.so.4 => /usr/lib/libmlt.so.4 (0x6fee0000)
libpthread.so.0 => /lib/powerpc-linux-gnu/libpthread.so.0 (0x6fea5000)
libdl.so.2 => /lib/powerpc-linux-gnu/libdl.so.2 (0x6fe81000)
libutil.so.1 => /lib/powerpc-linux-gnu/libutil.so.1 (0x6fe5e000)
libpython2.6.so.1.0 => /usr/lib/libpython2.6.so.1.0 (0x6fba2000)
libstdc++.so.6 => /usr/lib/powerpc-linux-gnu/libstdc++.so.6 (0x6fa68000)
libm.so.6 => /lib/powerpc-linux-gnu/libm.so.6 (0x6f99a000)
libgcc_s.so.1 => /lib/powerpc-linux-gnu/libgcc_s.so.1 (0x6f965000)
libc.so.6 => /lib/powerpc-linux-gnu/libc.so.6 (0x6f7d4000)
/lib/ld.so.1 (0x20541000)
libssl.so.1.0.0 => /usr/lib/libssl.so.1.0.0 (0x6f76b000)
libcrypto.so.1.0.0 => /usr/lib/libcrypto.so.1.0.0 (0x6f58d000)
libz.so.1 => /usr/lib/libz.so.1 (0x6f557000)
-----------------------------------------------------------
Debug File 'openshot.debug'
-----------------------------------------------------------
This script has created a file called 'openshot.debug' which
contains all of this output. If you are having trouble installing
OpenShot, you can attach this file to your bug report.
############ END openshot.debug ###############
############ BEGIN gdb-debugged session of /usr/bin/melt ####
Starting program: /usr/bin/melt -query "video_codecs"
[Thread debugging using libthread_db enabled]
---
video_codecs:
- a64multi
- a64multi5
- asv1
- asv2
- bmp
- dnxhd
- dpx
- dvvideo
- ffv1
- ffvhuff
- flashsv
- flashsv2
- flv
- gif
- h261
- h263
- h263p
- huffyuv
- jpegls
- ljpeg
- mjpeg
- mpeg1video
- mpeg2video
- mpeg4
- msmpeg4v2
- msmpeg4
- msvideo1
- pam
- pbm
- pcx
- pgm
- pgmyuv
- png
- ppm
- qtrle
- rawvideo
- roqvideo
- rv10
- rv20
- sgi
- snow
- svq1
- targa
- tiff
- v210
- wmv1
- wmv2
- zlib
- zmbv
- libdirac
- libtheora
- libvpx
- libx264
- libxvid
...
Program received signal SIGSEGV, Segmentation fault.
0x0ed5ba10 in QVariantAnimation::registerInterpolator(QVariant (*)(void const*, void const*, double), int) () from /usr/lib/libQtCore.so.4
(gdb)
############### END of gdb-debugged session of /usr/bin/melt #########
As gdb is pointing out, something is broken in libQtCore.so.4, that
seems to be the orign of the bug.
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