https://bugs.kde.org/show_bug.cgi?id=379007
Bug ID: 379007
Summary: ffmpeg integration fails on first launch
Product: kdenlive
Version: 16.12.1
Platform: Other
OS: MS Windows
Status: UNCONFIRMED
Severity: minor
Priority: NOR
Component: Installation
Assignee: vpi...@kde.org
Reporter: ras...@mindplay.dk
Target Milestone: ---
The first time kdenlive is launched, the ffmpeg integration fails.
Attempting to open any video clip (via the "Add Clip" dialog or by dragging and
dropping) triggers the following message appears:
"Clip is invalid, will be removed from project"
This error message isn't very helpful, but it's also wrong - there is nothing
wrong with the clip, it's the integration with ffmpeg which appears to be
failing.
These are the exact steps to reproduce this bug.
Step 1: Follow the exact installation instructions on the download page to the
point - as of today, that means downloading the following:
https://ffmpeg.zeranoe.com/builds/win64/shared/ffmpeg-3.2.2-win64-shared.zip
http://mirrors.dotsrc.org/kde-applicationdata/kdenlive/release/Kdenlive-16.12.1-w64.zip
I unpacked kdenlive to a folder in the root of my harddrive, to make sure I
avoid any potential issues with permissions.
I unpacked all files from the "bin" folder of the ffmpeg archive into the
kdenlive installation folder.
I unpacked the "presets" folder into the kdenlive installation folder.
Step 2: Launch the application.
Upon first launching the application, any attempt to add a video clip fails
with an error message as described above.
Step 3: Close the application and launch it again.
Adding the same video clips now works without problems.
I was able to reproduce the issue following these steps on two distinct
systems, both running Windows 10 Pro 64-bit.
Best guess, the app is doing some kind of internal configuration the first time
it sees the ffmpeg binaries - but it needs this information to actually launch
correctly, and doesn't have that information in place until you launch the app
for the second time.
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