https://bugs.kde.org/show_bug.cgi?id=497716
Bug ID: 497716
Summary: Crash while rendering audio
Classification: Applications
Product: subtitlecomposer
Version: 0.8.0
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: max...@smoothware.net
Reporter: mich...@vonglasow.com
Target Milestone: ---
Created attachment 176787
--> https://bugs.kde.org/attachment.cgi?id=176787&action=edit
bactrace.txt
SUMMARY
Crash while rendering audio
STEPS TO REPRODUCE
1. Load a video file.
2. Play, or scroll through audio, from beginning to end.
OBSERVED RESULT
Subtitle Composer crashes.
EXPECTED RESULT
No crash, Subtitle Composer continues to work normally.
SOFTWARE/OS VERSIONS
Ubuntu MATE 22.04 LTS
ADDITIONAL INFORMATION
For a given video file, the timestamp at which the crash occurs is
reproducible.
The crash occurs both when playing back the video file, and when scrolling
through waveform audio, both forward and backward – this suggests the crash has
to do with waveform audio rendering.
When transcoding the video file to a different audio format but maintaining the
bitrate, the crash still happens at the same timestamp. When transcoding the
video and changing the audio bitrate, the crash will still happen, but at a
different timestamp. (In my test, a lower bitrate meant the crash would occur
later, but I did not test that extensively.)
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