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 <kthxba...@gmail.com>: > 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 : openshot.b...@lists.launchpad.net > 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 a member of UBUNTU - AL - BR, 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/~linux-traipu Post to : linux-traipu@lists.launchpad.net Unsubscribe : https://launchpad.net/~linux-traipu More help : https://help.launchpad.net/ListHelp