SUMMARY The "time remap" feature appears to work in the project monitor, but when the time-remapped video is rendered, I just get blackness. STEPS TO REPRODUCE 1. Start kdenlive.exe, standalone 21.08.2 version. 2. Project -> Generators -> Counter; save the clip somewhere. 3. Drag clip to timeline; verify it works in project monitor. 4. Right-click on the clip in the timeline, select "time remap". 5. Add a few keyframes, speeding the clip up, and then back down to 100%. 6. Verify the playback is altered as expected in the project monitor. 7. Click "render", choose MP4-H264/AAC, choose the path, click "render to file". 8. View the rendered video. EXPECTED RESULT I should see the counter clip play, with speed altered by step 5. OBSERVED RESULT The rendered video appears to be the correct length (shorter than the original, un-time-remapped clip), but it's just a black square. "About" says using MLT version 7.1.0. Libraries tab says KDE Frameworks 5.86.0; Qt 5.15.2; the *windows* windowing system. SOFTWARE/OS VERSIONS Windows: 11 KDE Frameworks Version: 5.86.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION I have two monitors; one is high-DPI (4k, set to 150%).
Same here, but in Ubuntu Linux. Tried to export in several codecs h264, webm, mpeg2, with same result. Kidenlive 21.12, MLT version 7.2.0
Thank you for reporting. I can confirm the issue, following your steps. After rendering the clip show "invalid" and it's only 122kB in size.
I cannot reproduce the issue anymore. Using version 24.12.0 Please try with the current Kdenlive version 24.12.0 to see if the issue is fixed https://kdenlive.org/en/download/
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🐛🧹 This bug has been in NEEDSINFO status with no change for at least 30 days. Closing as RESOLVED WORKSFORME.