https://bugs.kde.org/show_bug.cgi?id=408396
Bug ID: 408396
Summary: Frozen clips flicker once in the exported movie
Product: kdenlive
Version: 19.04.1
Platform: MS Windows
OS: MS Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Video Display & Export
Assignee: j...@kdenlive.org
Reporter: lucky7t...@lucky7.pe.kr
Target Milestone: ---
Created attachment 120641
--> https://bugs.kde.org/attachment.cgi?id=120641&action=edit
A sample kdenlive-19.04.1 project for reproducing. counter.mp4 is the source
media, and counter2.mp4 is an exported movie contains blank frames
SUMMARY
With Kdenlive-19.04.1, the "Freeze" effect seems get improved than before.
However, it's got a new bug.
When a clip on the timeline gets Freeze effect applied, it is ok to preview in
the project monitor, but after rendering, each frozen clips has it's own
beginning flicker.
I mean, the very first frame of each frozen clip rendered well but followed by
a few blank(white) frames and then gets valid again. (Please see attachments)
STEPS TO REPRODUCE
1. Import a video clip in the project bin
2. Place the clip on the timeline
3. (optional) Slice the clip into several pieces
4. Apply "Freeze" effect to (each sliced) clip(s)
5. Preview timeline, and it is just ok
6. Render
OBSERVED RESULT
Rendered movie contains a few blank(white) frames just after the beginning
frame of (each) frozen clip
EXPECTED RESULT
Rendered movie should not have blank frames unless the timeline contains gaps
between clips
SOFTWARE/OS VERSIONS
Windows: 7
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
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