[FFmpeg-trac] #5735(avfilter:closed): CPU usage increases over time (possibly caused by loudnorm)

FFmpeg trac at avcodec.org
Sun Nov 27 21:54:44 EET 2016


#5735: CPU usage increases over time (possibly caused by loudnorm)
------------------------------------+------------------------------------
             Reporter:  yatahaze    |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:  fixed
             Keywords:  loudnorm    |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * version:  unspecified => git-master
 * component:  undetermined => avfilter
 * reproduced:  0 => 1


Comment:

 I can confirm the issue and the fix for the following command line:
 {{{
 $ ffmpeg -i http://amber.hydrosila.com:8000/record.mp3 -af loudnorm -f
 null -
 }}}
 The change reduced the (initial) cpu load by 75% here.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5735#comment:13>
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