https://bugs.kde.org/show_bug.cgi?id=510268
Bug ID: 510268
Summary: All video import/export fails in Flatpak
Classification: Applications
Product: kdenlive
Version First 25.08.1
Reported In:
Platform: Mint (Ubuntu based)
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Rendering & Export
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 185539
--> https://bugs.kde.org/attachment.cgi?id=185539&action=edit
Screenshots of attempting to import videos, the error on render, and render
window.
SUMMARY
As of flatpak commit
947d20d935101b6f5287133451417a177ca76c1a3439fb7bf0c0d509ecf7cf08, all video
import and export fails.
Attempting to import a video (attempted both mp4 and webm) just imports audio,
the video shows a transparent checkerboard. Dragging it into the timeline often
crashes the program.
For rendering, the h264 export options are disabled with the message
"Unsupported video codec: libx264," and other exports fail with the following
message:
[libvpx @ 0x7fce300019c0] [IMGUTILS @ 0x7fce36e68a70] Picture size 0x1 is
invalid [libvpx @ 0x7fce300019c0] [IMGUTILS @ 0x7fce36e68a40] Picture size 0x0
is invalid [libvpx @ 0x7fce300019c0] Invalid video pixel format: -1
[webm @ 0x7fce30000f40] dimensions not set [consumer avformat] Could not write
header '/home/julian/Videos/untitled.webm'
STEPS TO REPRODUCE
1. Open KDE flatpak
2. Import any video, or import an image/audio and attempt to export to any
format.
OBSERVED RESULT
The software fails or crashes.
EXPECTED RESULT
The software succeeds without crashing.
SOFTWARE/OS VERSIONS
Linux Mint, KDE Flatpak (25.08.1)
Occurs as of commit
947d20d935101b6f5287133451417a177ca76c1a3439fb7bf0c0d509ecf7cf08
Does not occur in commit
9f28077f3e213194be22abf099c44bd21d1c8f57c3b296ba8583690a333dd629 or earlier
ADDITIONAL INFORMATION
I have confirmed I have ffmpeg installed both through the system packages and
flatpak:
System: 6.1.1-3ubuntu5
Flatpak: org.freedesktop.Platform.ffmpeg-full/x86_64/24.08
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