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Possible 100% CPU usage by a background thread with FFmpeg 4.2 and GnuTLS #239

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zaps166 opened this issue Aug 18, 2019 · 5 comments
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Possible 100% CPU usage by a background thread with FFmpeg 4.2 and GnuTLS #239

zaps166 opened this issue Aug 18, 2019 · 5 comments
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ffmpeg bug

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@zaps166
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zaps166 commented Aug 18, 2019

Aborting FFmpeg GnuTLS connection causes infinity loop inside libavformat library. When changing entries on QMPlay2 playlist background, LastFM connection for covers can be aborted causing 100% CPU usage by a background thread. In this case QMPlay2 needs to be closed.

This is regression found in 4.2 version.

See:
https://trac.ffmpeg.org/ticket/8080
https://patchwork.ffmpeg.org/patch/14550/
@zaps166 zaps166 pinned this issue Aug 18, 2019
@zaps166
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zaps166 commented Sep 3, 2019

To workaround this issue on Arch Linux or Manjaro Linux, please use qmplay2-bin package from AUR.

@zaps166
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zaps166 commented Apr 25, 2020

Already fixed on ffmpeg master.

@zaps166 zaps166 mentioned this issue May 4, 2020
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@zaps166
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zaps166 commented Jul 16, 2020

FFmpeg 4.3.1 is already available in Arch Linux repository.

@zaps166 zaps166 closed this as completed Jul 16, 2020
@zaps166 zaps166 mentioned this issue Dec 11, 2020
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@zaps166 zaps166 reopened this Dec 11, 2020
@zaps166 zaps166 closed this as completed Dec 11, 2020
@hooke007
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hooke007 commented Feb 25, 2021 •
edited

Still 100% here. Tested the latest release version (win64). It cannot start and finally led to my device‘s crash.
Snipaste_2021-02-25_19-14-59
Snipaste_2021-02-25_19-17-45

@zaps166
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zaps166 commented Feb 25, 2021

@hooke007

This issue is for GnuTLS (not used on Windows, Linux only), FFmpeg 4.2.x only and special case when connection is aborted on connecting state.

I need more details, maybe create a new issue?

@hooke007 hooke007 mentioned this issue Feb 25, 2021
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@kenmays kenmays mentioned this issue Aug 24, 2022
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@zaps166 zaps166 unpinned this issue Oct 22, 2022
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