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| | This page has been moved to [https://kdenlive.org/en/bug-reports/ https://kdenlive.org/en/bug-reports/] |
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| == Bug reports == <!--T:1-->
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| Bug reports are handled by the [https://bugs.kde.org/buglist.cgi?quicksearch=product%3Akdenlive&list_id=1258904 KDE Bugtracking System]. (The old [http://www.kdenlive.org/mantis/ Mantis bug tracker] is in archive mode.)
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| If you have a crash at '''Kdenlive''' startup or when trying to play a video file, please follow these steps (and read the rest of the page too).
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| If you compiled '''Kdenlive''' / '''MLT''' yourself, make sure you followed all steps described in our instructions
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| <!--T:5-->
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| *Check that you don't have several versions of '''MLT''' installed
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| <!--T:6-->
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| *Try playing your video file with FFmpeg's player. From a terminal: <code>ffplay myvideo.mpg </code>
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| <!--T:7-->
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| *Try playing your video file with MLT's player. From a terminal: <code>melt myvideo.mpg </code>
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| *Download this simple project file (containing color clips): [http://kdenlive.org/mantis/file_download.php?file_id=467&type=bug test_file.kdenlive] and play it with MLT's player:
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| {{Input|1=melt test_file.kdenlive}}
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| <!--T:9-->
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| Include the results of the 4 above steps in your bug report, and always tell us which '''Kdenlive''' and '''MLT''' version you have!
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| === Step 1: Upgrade to Kdenlive latest release === <!--T:10-->
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| <!--T:11-->
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| Please upgrade to the latest released versions of '''Kdenlive''' and '''MLT'''. We will not answer bug reports for old '''Kdenlive''' versions (unless they are still reproducible in latest version).
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| <!--T:12-->
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| If your distribution does not offer packages of the latest '''Kdenlive''' and '''MLT''' versions, please check our [[Special:myLanguage/Kdenlive/Manual/Installation|installation]] page for tips about upgrading.
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| === Step 2: Query open issues === <!--T:13-->
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| Query open issues on [http://www.kdenlive.org/mantis/ Mantis bug tracker].
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| <!--T:15-->
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| Reading the bug page:
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| <!--T:16-->
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| New or Feedback is a reported bug, which needs more feedback.
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| Acknowledged means that the bug is reported by several users or by core members.
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| Confirmed means that the bug is reproducible.
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| Assigned means that a developer is handling the bug.
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| Fixed means that the bug was fixed in development version.
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| === Step 3: Report a bug === <!--T:17-->
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| <!--T:18-->
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| Before reporting bugs, read the user manual and search the forums for answers. Do not report bugs on the '''Kdenlive''' forum.
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| <!--T:19-->
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| If you are not running the latest development release, check recently solved issues, as your problem might already be fixed in the development version.
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| <!--T:20-->
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| To report a bug [http://www.kdenlive.org/mantis/signup_page.php create an account] on [http://www.kdenlive.org/mantis/ Mantis bug tracker]. Log in and submit an issue.
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| <!--T:21-->
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| For the bug report to be useful, please try to provide the following information:
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| <!--T:22-->
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| *Precise steps to reproduce the bug
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| <!--T:23-->
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| *If the bug crashes '''Kdenlive''', provide a backtrace.
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| ==== How to get useful crash information (backtrace) ==== <!--T:24-->
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| <!--T:25-->
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| Please install the following packages: gdb, kdenlive-dbg, libmlt-dbg (package names may slightly change depending on your distro).
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| When '''Kdenlive''' crashes, if the KDE crash handler dialog pops up, you can copy the data it provides.
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| <!--T:27-->
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| Otherwise, from a terminal, type:
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| {{Input|1=gdb kdenlive
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| run}}
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| '''Kdenlive''' will start, then you can trigger the bug. When Kdenlive crashes, go to your terminal window and type:
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| {{Input|1=thread apply all bt}}
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| Then press <keycap>Enter</keycap> until you see the full data. Copy the log to a file and attach it to the bug report.
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| === Step 4: Upload some sample RAW footage === <!--T:31-->
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| <!--T:32-->
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| For any Mpeg2/Mpeg4 and H.264 files it is important that you upload RAW footage (coming directly from the camcorder) somewhere on Internet. This will allow users to benchmark their computer using this file and also help us understand some bugs. Five seconds of footage is enough. Do not upload files larger than 20 MB.
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| <!--T:33-->
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| As regards audio synchronization, video rendering and other issues, we will not answer support requests unless a minimum amount of footage is available somewhere to reproduce bugs.
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| === MLT bug reports === <!--T:34-->
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| <!--T:35-->
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| Bugs in the MLT part of the system can be reported [http://sourceforge.net/p/mlt/bugs/?source=navbar here] (Kdenlive is a front end to the Media Loving Toolkit (MLT))
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| <!--T:36-->
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| {{Prevnext2
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| | prevpage=Special:MyLanguage/Kdenlive/Manual/Useful_Information/Useful_Resources | nextpage=Special:MyLanguage/Kdenlive/Manual/Credits_and_License
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| | prevtext=Useful Resources | nexttext=Credits and License
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| | index=Special:MyLanguage/Kdenlive/Manual | indextext=Back to menu
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| }}
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| <!--T:37-->
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| [[Category:Kdenlive]]
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| [[Category:Multimedia]]
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| </translate>
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