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

FFmpeg trac at avcodec.org
Tue Jul 26 19:55:41 EEST 2016


#5735: CPU usage increases over time (possibly caused by loudnorm)
-------------------------------------+-------------------------------------
             Reporter:  yatahaze     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  loudnorm     |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by yatahaze):

 I'm in an office situation, so I need some time to test with a non-network
 stream. I could try non-rtp easily, but that's not what you asked for.

 Here is the full command output without the log level option:

 {{{
 # /root/bin/ffmpeg -i rtp://127.0.0.1:5001 -c:a libmp3lame -af
 loudnorm=I=-15 -f tee -map 0:a
 "[f=rtp]rtp://224.3.3.3:1235|[f=mpegts]udp://192.168.0.113:1235/"
 ffmpeg version N-81026-gb701ec4 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.1) 20160609
   configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static
 --extra-cflags=-I/root/ffmpeg_build/include --extra-
 ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --enable-gpl --enable-
 libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame
 --enable-libopus --enable-libtheora --enable-libvorbis --enable-libx264
 --enable-nonfree --enable-libebur128
   libavutil      55. 28.100 / 55. 28.100
   libavcodec     57. 50.100 / 57. 50.100
   libavformat    57. 41.100 / 57. 41.100
   libavdevice    57.  0.102 / 57.  0.102
   libavfilter     6. 47.100 /  6. 47.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  1.100 /  2.  1.100
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, rtp, from 'rtp://127.0.0.1:5001':
   Duration: N/A, start: 86568.446233, bitrate: 192 kb/s
   Program 1
     Stream #0:0: Audio: mp2 ([3][0][0][0] / 0x0003), 44100 Hz, stereo,
 s16p, 192 kb/s
 [tee @ 0x2286cc0] Using AVStream.codec to pass codec parameters to muxers
 is deprecated, use AVStream.codecpar instead.
 [mpegts @ 0x231f600] frame size not set
 Output #0, tee, to
 '[f=rtp]rtp://224.3.3.3:1235|[f=mpegts]udp://192.168.0.113:1235/':
   Metadata:
     encoder         : Lavf57.41.100
     Stream #0:0: Audio: mp3 (libmp3lame), 48000 Hz, stereo, fltp
     Metadata:
       encoder         : Lavc57.50.100 libmp3lame
 Stream mapping:
   Stream #0:0 -> #0:0 (mp2 (native) -> mp3 (libmp3lame))
 Press [q] to stop, [?] for help
 size=N/A time=00:00:22.89 bitrate=N/A speed=1.09x
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5735#comment:2>
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