The last version of MLT (i.e. libmlt, melt,...) are in the version 0.9.2.
However, yours are in the 0.8.0.
Use this faq too : https://answers.launchpad.net/openshot/+faq/983
and give me the result of this commands.

2014-11-26 5:42 GMT+01:00 Shawn <email address hidden>:

> Sorry i assumed you were right... when i update nothing happens the
> packages are still there and already latest version even after following
> that.
>
> Still does not show video :-/
>
>
> ~ kthx
>
> <email address hidden> (MAIN email)
> <email address hidden> (website related)
>
> http://ShawnRead.ca/
> http://kthxbai2u.com/
> http://kthxbai2u.net/
>
> Sent from my ASUS Pad
>
> Olivier Girard <email address hidden> wrote:
>
> >Hi,
> >You should update your mlt version this one that you are using is old
> >(0.8.0)
> >https://answers.launchpad.net/openshot/+faq/1861
> >
> >Check to the Debian multimedia repository side
> >
> >2014-11-20 5:54 GMT+01:00 Shawn <email address hidden>:
> >
> >> Public bug reported:
> >>
> >> When I start a new project and add my video files the preview works.
> >>
> >> Once I get to maybe 7 or 8 clips added into the timeline, it will no
> >> longer show the preview in the preview window (it is black) but the
> >> audio plays.
> >>
> >> I have tried installing from apt and from source.
> >>
> >> Once the preview stops working in the project it stops for good
> >> regardless of reopening the same project file.
> >>
> >> Debian Squeeze 64-bit
> >> Linux ns2.shawnread.ca 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1
> x86_64
> >> GNU/Linux
> >>
> >> apt, debs, and source
> >>
> >> No LADSPA plugins were found!
> >> Check your LADSPA_PATH environment variable.
> >> melt 0.8.0
> >>
> >> ffmpeg version N-67826-g4ffec6d Copyright (c) 2000-2014 the FFmpeg
> >> developers
> >>   built on Nov 19 2014 10:49:12 with gcc 4.7 (Debian 4.7.2-5)
> >>   configuration:
> >>   libavutil      54. 14.100 / 54. 14.100
> >>   libavcodec     56. 12.101 / 56. 12.101
> >>   libavformat    56. 14.100 / 56. 14.100
> >>   libavdevice    56.  3.100 / 56.  3.100
> >>   libavfilter     5.  2.103 /  5.  2.103
> >>   libswscale      3.  1.101 /  3.  1.101
> >>   libswresample   1.  1.100 /  1.  1.100
> >>
> >> OpenShot 1.4.4~alpha1
> >>
> >> Yes both ffplay and melt work video and audio. Video info is:
> >>
> >> root@ns2:~/Desktop/GUATEMALA/1# ffmpeg -i 00005.MTS
> >> ffmpeg version N-67826-g4ffec6d Copyright (c) 2000-2014 the FFmpeg
> >> developers
> >>   built on Nov 19 2014 10:49:12 with gcc 4.7 (Debian 4.7.2-5)
> >>   configuration:
> >>   libavutil      54. 14.100 / 54. 14.100
> >>   libavcodec     56. 12.101 / 56. 12.101
> >>   libavformat    56. 14.100 / 56. 14.100
> >>   libavdevice    56.  3.100 / 56.  3.100
> >>   libavfilter     5.  2.103 /  5.  2.103
> >>   libswscale      3.  1.101 /  3.  1.101
> >>   libswresample   1.  1.100 /  1.  1.100
> >> Input #0, mpegts, from '00005.MTS':
> >>   Duration: 00:00:04.03, start: 0.519389, bitrate: 15152 kb/s
> >>   Program 1
> >>     Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448),
> yuv420p,
> >> 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
> >>     Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
> stereo,
> >> fltp, 256 kb/s
> >> At least one output file must be specified
> >>
> >> ** Affects: openshot
> >>      Importance: Undecided
> >>          Status: New
> >>
> >> --
> >> You received this bug notification because you are a member of OpenShot
> >> Bugs, which is subscribed to OpenShot Video Editor.
> >> https://bugs.launchpad.net/bugs/1394452
> >>
> >> Title:
> >>   preview blank
> >>
> >> Status in OpenShot Video Editor:
> >>   New
> >>
> >> Bug description:
> >>   When I start a new project and add my video files the preview works.
> >>
> >>   Once I get to maybe 7 or 8 clips added into the timeline, it will no
> >>   longer show the preview in the preview window (it is black) but the
> >>   audio plays.
> >>
> >>   I have tried installing from apt and from source.
> >>
> >>   Once the preview stops working in the project it stops for good
> >>   regardless of reopening the same project file.
> >>
> >>   Debian Squeeze 64-bit
> >>   Linux ns2.shawnread.ca 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1
> >> x86_64 GNU/Linux
> >>
> >>   apt, debs, and source
> >>
> >>   No LADSPA plugins were found!
> >>   Check your LADSPA_PATH environment variable.
> >>   melt 0.8.0
> >>
> >>   ffmpeg version N-67826-g4ffec6d Copyright (c) 2000-2014 the FFmpeg
> >> developers
> >>     built on Nov 19 2014 10:49:12 with gcc 4.7 (Debian 4.7.2-5)
> >>     configuration:
> >>     libavutil      54. 14.100 / 54. 14.100
> >>     libavcodec     56. 12.101 / 56. 12.101
> >>     libavformat    56. 14.100 / 56. 14.100
> >>     libavdevice    56.  3.100 / 56.  3.100
> >>     libavfilter     5.  2.103 /  5.  2.103
> >>     libswscale      3.  1.101 /  3.  1.101
> >>     libswresample   1.  1.100 /  1.  1.100
> >>
> >>   OpenShot 1.4.4~alpha1
> >>
> >>   Yes both ffplay and melt work video and audio. Video info is:
> >>
> >>   root@ns2:~/Desktop/GUATEMALA/1# ffmpeg -i 00005.MTS
> >>   ffmpeg version N-67826-g4ffec6d Copyright (c) 2000-2014 the FFmpeg
> >> developers
> >>     built on Nov 19 2014 10:49:12 with gcc 4.7 (Debian 4.7.2-5)
> >>     configuration:
> >>     libavutil      54. 14.100 / 54. 14.100
> >>     libavcodec     56. 12.101 / 56. 12.101
> >>     libavformat    56. 14.100 / 56. 14.100
> >>     libavdevice    56.  3.100 / 56.  3.100
> >>     libavfilter     5.  2.103 /  5.  2.103
> >>     libswscale      3.  1.101 /  3.  1.101
> >>     libswresample   1.  1.100 /  1.  1.100
> >>   Input #0, mpegts, from '00005.MTS':
> >>     Duration: 00:00:04.03, start: 0.519389, bitrate: 15152 kb/s
> >>     Program 1
> >>       Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448),
> >> yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn,
> 59.94
> >> tbc
> >>       Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
> >> stereo, fltp, 256 kb/s
> >>   At least one output file must be specified
> >>
> >> To manage notifications about this bug go to:
> >> https://bugs.launchpad.net/openshot/+bug/1394452/+subscriptions
> >>
> >> --
> >> Mailing list: https://launchpad.net/~openshot.bugs
> >> Post to     : <email address hidden>
> >> Unsubscribe : https://launchpad.net/~openshot.bugs
> >> More help   : https://help.launchpad.net/ListHelp
> >>
> >
> >
> >--
> >Olivier
> >Cenwen un elfe sur la banquise/ an elve on the ice
> >Mon blog perso  sur le multimédia, Ubuntu, Linux et OpenShot :
> >http://linuxevolution.wordpress.com/
> >Le forum d'Openshot où vous me trouverez : http://openshotusers.com/
> >http://openshotusers.com/forum/index.php
> >Nothing is lost until the last second.
> >The family motto : When we want, we can.
> >Astuces, Actualités, Logiciels, bref sur tout ce que je ne fais d'articles
> >dessus Google+ <https://plus.google.com/u/0/111472725110173916234/posts>
> >
> >--
> >You received this bug notification because you are subscribed to the bug
> >report.
> >https://bugs.launchpad.net/bugs/1394452
> >
> >Title:
> >  preview blank
> >
> >Status in OpenShot Video Editor:
> >  New
> >
> >Bug description:
> >  When I start a new project and add my video files the preview works.
> >
> >  Once I get to maybe 7 or 8 clips added into the timeline, it will no
> >  longer show the preview in the preview window (it is black) but the
> >  audio plays.
> >
> >  I have tried installing from apt and from source.
> >
> >  Once the preview stops working in the project it stops for good
> >  regardless of reopening the same project file.
> >
> >  Debian Squeeze 64-bit
> >  Linux ns2.shawnread.ca 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1
> x86_64 GNU/Linux
> >
> >  apt, debs, and source
> >
> >  No LADSPA plugins were found!
> >  Check your LADSPA_PATH environment variable.
> >  melt 0.8.0
> >
> >  ffmpeg version N-67826-g4ffec6d Copyright (c) 2000-2014 the FFmpeg
> developers
> >    built on Nov 19 2014 10:49:12 with gcc 4.7 (Debian 4.7.2-5)
> >    configuration:
> >    libavutil      54. 14.100 / 54. 14.100
> >    libavcodec     56. 12.101 / 56. 12.101
> >    libavformat    56. 14.100 / 56. 14.100
> >    libavdevice    56.  3.100 / 56.  3.100
> >    libavfilter     5.  2.103 /  5.  2.103
> >    libswscale      3.  1.101 /  3.  1.101
> >    libswresample   1.  1.100 /  1.  1.100
> >
> >  OpenShot 1.4.4~alpha1
> >
> >  Yes both ffplay and melt work video and audio. Video info is:
> >
> >  root@ns2:~/Desktop/GUATEMALA/1# ffmpeg -i 00005.MTS
> >  ffmpeg version N-67826-g4ffec6d Copyright (c) 2000-2014 the FFmpeg
> developers
> >    built on Nov 19 2014 10:49:12 with gcc 4.7 (Debian 4.7.2-5)
> >    configuration:
> >    libavutil      54. 14.100 / 54. 14.100
> >    libavcodec     56. 12.101 / 56. 12.101
> >    libavformat    56. 14.100 / 56. 14.100
> >    libavdevice    56.  3.100 / 56.  3.100
> >    libavfilter     5.  2.103 /  5.  2.103
> >    libswscale      3.  1.101 /  3.  1.101
> >    libswresample   1.  1.100 /  1.  1.100
> >  Input #0, mpegts, from '00005.MTS':
> >    Duration: 00:00:04.03, start: 0.519389, bitrate: 15152 kb/s
> >    Program 1
> >      Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448),
> yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn, 59.94
> tbc
> >      Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
> stereo, fltp, 256 kb/s
> >  At least one output file must be specified
> >
> >To manage notifications about this bug go to:
> >https://bugs.launchpad.net/openshot/+bug/1394452/+subscriptions
>
> --
> You received this bug notification because you are a member of OpenShot
> Bugs, which is subscribed to OpenShot Video Editor.
> https://bugs.launchpad.net/bugs/1394452
>
> Title:
>   preview blank
>
> Status in OpenShot Video Editor:
>   New
>
> Bug description:
>   When I start a new project and add my video files the preview works.
>
>   Once I get to maybe 7 or 8 clips added into the timeline, it will no
>   longer show the preview in the preview window (it is black) but the
>   audio plays.
>
>   I have tried installing from apt and from source.
>
>   Once the preview stops working in the project it stops for good
>   regardless of reopening the same project file.
>
>   Debian Squeeze 64-bit
>   Linux ns2.shawnread.ca 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1
> x86_64 GNU/Linux
>
>   apt, debs, and source
>
>   No LADSPA plugins were found!
>   Check your LADSPA_PATH environment variable.
>   melt 0.8.0
>
>   ffmpeg version N-67826-g4ffec6d Copyright (c) 2000-2014 the FFmpeg
> developers
>     built on Nov 19 2014 10:49:12 with gcc 4.7 (Debian 4.7.2-5)
>     configuration:
>     libavutil      54. 14.100 / 54. 14.100
>     libavcodec     56. 12.101 / 56. 12.101
>     libavformat    56. 14.100 / 56. 14.100
>     libavdevice    56.  3.100 / 56.  3.100
>     libavfilter     5.  2.103 /  5.  2.103
>     libswscale      3.  1.101 /  3.  1.101
>     libswresample   1.  1.100 /  1.  1.100
>
>   OpenShot 1.4.4~alpha1
>
>   Yes both ffplay and melt work video and audio. Video info is:
>
>   root@ns2:~/Desktop/GUATEMALA/1# ffmpeg -i 00005.MTS
>   ffmpeg version N-67826-g4ffec6d Copyright (c) 2000-2014 the FFmpeg
> developers
>     built on Nov 19 2014 10:49:12 with gcc 4.7 (Debian 4.7.2-5)
>     configuration:
>     libavutil      54. 14.100 / 54. 14.100
>     libavcodec     56. 12.101 / 56. 12.101
>     libavformat    56. 14.100 / 56. 14.100
>     libavdevice    56.  3.100 / 56.  3.100
>     libavfilter     5.  2.103 /  5.  2.103
>     libswscale      3.  1.101 /  3.  1.101
>     libswresample   1.  1.100 /  1.  1.100
>   Input #0, mpegts, from '00005.MTS':
>     Duration: 00:00:04.03, start: 0.519389, bitrate: 15152 kb/s
>     Program 1
>       Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448),
> yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn, 59.94
> tbc
>       Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
> stereo, fltp, 256 kb/s
>   At least one output file must be specified
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/openshot/+bug/1394452/+subscriptions
>
> --
> Mailing list: https://launchpad.net/~openshot.bugs
> Post to     : <email address hidden>
> Unsubscribe : https://launchpad.net/~openshot.bugs
> More help   : https://help.launchpad.net/ListHelp
>



-- 
Olivier
Cenwen un elfe sur la banquise/ an elve on the ice
Mon blog perso  sur le multimédia, Ubuntu, Linux et OpenShot :
http://linuxevolution.wordpress.com/
Le forum d'Openshot où vous me trouverez : http://openshotusers.com/
http://openshotusers.com/forum/index.php
Nothing is lost until the last second.
The family motto : When we want, we can.
Astuces, Actualités, Logiciels, bref sur tout ce que je ne fais d'articles
dessus Google+ <https://plus.google.com/u/0/111472725110173916234/posts>