https://bugs.kde.org/show_bug.cgi?id=408460
Bug ID: 408460
Summary: 19.04.2c-x86_64.appimage During rendering, internal
paths are assumed to be relative to current working
directory instead of project file location causing
blank white output.
Product: kdenlive
Version: 19.04.2
Platform: Appimage
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Video Display & Export
Assignee: j...@kdenlive.org
Reporter: rob...@robertelder.org
Target Milestone: ---
SUMMARY
19.04.2c-x86_64.appimage During rendering, internal paths are assumed to be
relative to current working directory instead of project file location causing
blank white output for files that presumably aren't found. Changing the
working directory to be the same as the project directory resolves the issue.
This is a major problem when launching kdenlive through something like a
desktop shortcut where the path will almost always be different than the
default working directory.
STEPS TO REPRODUCE
mkdir /tmp/test1
cd /tmp/test1
wget https://files.kde.org/kdenlive/release/kdenlive-19.04.2c-x86_64.appimage
chmod u+x kdenlive-19.04.2c-x86_64.appimage
mkdir project1
cd project1
wget "http://www.robertelder.ca/Screencast 2019-06-08 13:53:57.mp4"
/tmp/test1/kdenlive-19.04.2c-x86_64.appimage
# Now create a project, add the clip 'Screencast 2019-06-08 13:53:57.mp4' to
timeline. Render to output file '/tmp/good.mp4'.
# Save project as /tmp/test1/project1/proj.kdenlive
# Exit program.
# Check /tmp/test1/project1/proj.kdenlive and note that the project file uses
relative paths for the video file (which is probably the right way to do it).
cd /tmp/test1/
mkdir otherdir
cd otherdir
/tmp/test1/kdenlive-19.04.2c-x86_64.appimage /tmp/test1/project1/proj.kdenlive
# Render project to output file '/tmp/bad.mp4'.
OBSERVED RESULT
# Observe that /tmp/good.mp4 has rendered the output correctly, whereas
/tmp/bad.mp4 just has white screen for output.
EXPECTED RESULT
Both good.mp4 and bad.mp4 should be the same file.
SOFTWARE/OS VERSIONS
appimage
ADDITIONAL INFORMATION
I'm pretty sure this is actually part of the bug I was chasing back in this
bug:
https://bugs.kde.org/show_bug.cgi?id=407778
I filed a different but for this since it's quite different than what I noticed
in the other bug report.
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