Bug reports are handled by Mantis bug tracker.
- Check that you don't have several versions of MLT installed
- Try playing your video file with FFmpeg's player. From a terminal: ffplay myvideo.mpg
- Try playing your video file with MLT's player. From a terminal: melt myvideo.mpg
- Download this simple project file (containing color clips): test_file.kdenlive and play it with MLT's player: melt test_file.kdenlive
Include the results of the 4 above steps in your bug report!
Step 1: Upgrade to Kdenlive latest release
Kdenlive 0.7.4 and previous versions are deprecated. Please upgrade to Kdenlive 0.7.5 minimum, which relies on MLT 0.4.4 and therefore is much more precise, especialy for timestamps et exports. If you are running an old version of Kdenlive, please upgrade to the latest release. We not not answer bug reports for old Kdenlive versions.
If your distribution does not offer packages of Kdenlive and MLT latest versions, please upgrade using the builder wizard.
Step 2: Register your camcorder
Look at our camcorder database. If you camcorder is not in the database, install Kdenlive 0.7+ and add your camcorder in the list.
For any Mpeg2/Mpeg4 and H264 this is important that you upload RAW footage (coming directly from camcorder) somewhere on Internet. This will allow users to benchmark their computer using this file and also help us understand some bugs. A 5 seconds footage is enough. Do not upload large files of more than 20 Mb.
As regards audio synchronization, video rendering and other issues, we will not answer support request unless your camcorder is in the list and that minimum footage is available somewhere to reproduce bugs.
Step 3: Query open issues
Query open issues on Mantis bug tracker.
Reading the bug page:
- New or Feedback is a reported bug, which needs more feedback.
- Acknowledged means that the bug is reported by several users or by core members.
- Confirmed means that the bug is reproducible.
- Assigned means that a developer is handling the bug.
- Fixed means that the bug was fixed in svn.
Step 4: Report a bug
Before reporting bugs, read the user manual and search the forums for answers. Do not report bugs on Kdenlive 0.5 or 0.6 series, which are deprecated.
If you are running Kdenlive 0.7 official releases, check resolved bugs. Preferably, you should be running Kdenlive svn version.
To report a bug create an account on Mantis bug tracker. Log in and submit an issue.
Creating a useful bug report:
For the bug report to be useful, please try to provide the following informations:
- Precise steps to reproduce the bug
- If the bug crashes Kdenlive, provide a backtrace:
From a terminal, type:
gdb kdenlive
run
Kdenlive will start, then you can trigger the bug. When Kdenlive crashes, go to your terminal window and type:
thread apply all bt
Then press enter until you see the full data. Copy the log to a file and attach it to the bug report
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