#11597: FFmpeg output is stuck if using split with fps filter
-------------------------------------+-------------------------------------
Reporter: TheTroll | Type: defect
Status: new | Priority: important
Component: avfilter | Version: git-
Keywords: split | master
thumbnail | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Summary of the bug:
How to reproduce:
{{{
% ffmpeg -re -y -i INPUT -filter_complex
"[0:v]split=2[s0][sthumb];[s0]scale=320:184[o0];[sthumb]fps=1/60[othumb]"
-an -c:v libx264 -map [o0] out.ts -map [othumb] -update 1 out.png
}}}
Built on master
When trying to transcode an input live stream while extracting thumbnails
(every minute in this example), using the split and fps filters, FFmpeg
gets blocked and eventually generates the output after a while, by bursts.
The following warning indicates that something is wrong:
[out_#0:0 @ 0x7f1018013c00] 100 buffers queued in out_#0:0, something may
be wrong.
FFmpeg 5.1.2 works fine and as expected.
Thanks
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11597>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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