#8843: concat Segmentation fault filter_complex
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Reporter: dirvann | Owner: dirvann
Type: defect | Status: open
Priority: normal | Component: avfilter
Version: git-master | Resolution:
Keywords: crash amix | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Changes (by Cigaes):
* keywords: crash concat => crash amix
* component: undetermined => avfilter
Comment:
I very much confirm the command-line I gave reproduces the problem with
only two segments.
The problem seems to be in the amix filter: it sends the last frame
without a timestamp. The following patch protects concat from it and
prevents the segfault, resulting in an error with a message instead.
https://ffmpeg.org/pipermail/ffmpeg-devel/2020-August/267563.html
For a proper fix, amix needs to be investigated.
I suggest trying to use amerge and pan instead.
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Ticket URL: <https://trac.ffmpeg.org/ticket/8843#comment:13>
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