https://bugs.kde.org/show_bug.cgi?id=384499
Bug ID: 384499
Summary: audio glitches after trimming certain audio streams
(FLAC, MP3)
Product: kdenlive
Version: 17.08.0
Platform: Neon Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Video Display & Export
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 107758
--> https://bugs.kde.org/attachment.cgi?id=107758&action=edit
audio files for repro
When edits are being made to an audio or video file, there will often be an
audible stutter just after the cut point. This seems to affect some
formats/codecs more than others, and these stutters end up in the rendered
video.
Steps to reproduce:
1. Create a new Kdenlive project, and save it.
2. Edit the saved .kdenlive file by replacing each instance of the word
"combine" with "sum" to remove bug 371849 from the equation.
3. Re-open the Kdenlive project.
4. From the attached audio file archive, add "sine-440-30s.flac" to an audio
track.
5. Double-click the clip and set the crop start to: 00:00:21:11.
6. Play the project
Result: There is a stutter at the beginning of the clip that should not be
there. This stutter gets rendered when exporting video. This bug does not seem
to affect .wav or .ogg files. MP3 files will glitch after the first
playthrough, but the glitch is not rendered to the exported video.
Possibly related:
1. Set the crop start of the .flac file to 00:00:29:05. The first playthrough
of the clip will stutter, but subsequent playthroughs have no audio until the
very end. This missing audio glitch is not rendered to the exported video.
Please see the attached video for a demonstration of this bug.
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