[FFmpeg-trac] #11629(avformat:new): MPEG-TS PCR rollover caused memory leak? (was: Memory Leak in FFmpeg During Extended Processing)

FFmpeg trac at avcodec.org
Sat Jun 14 10:52:47 EEST 2025


#11629: MPEG-TS PCR rollover caused memory leak?
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             Reporter:  mg3242        |                    Owner:  (none)
                 Type:  defect        |                   Status:  new
             Priority:  normal        |                Component:  avformat
              Version:  git-master    |               Resolution:
             Keywords:  mpegts vaapi  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Changes (by MasterQuestionable):

 * cc: MasterQuestionable (added)
 * component:  ffmpeg => avformat
 * keywords:  leak,vaapi,24/7 transcoding => mpegts vaapi
 * summary:  Memory Leak in FFmpeg During Extended Processing => MPEG-TS PCR
     rollover caused memory leak?

Comment:

 ͏    I suspect this is strictly an input reading issue.
 ͏    I.e. just reading the input, without any transcoding ("-c copy"), and
 output to "/dev/null" (with "-f null" maybe):
 ͏    Could reproduce.

 ͏    If not, try still output with "-f mpegts".

 ͏    Meanwhile, try to also ascertain the minimal media stream(s) required
 for the reproduction.
 ͏    (i.e. "-map" only the minimum necessary streams)

 ͏    Trying removing all unnecessary options for the reproduction:
 ͏    So to pin-point the exact cause.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11629#comment:16>
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