[FFmpeg-trac] #6156(avdevice:reopened): Issue with FFMPEG ALSA CPU usage

FFmpeg trac at avcodec.org
Sat Apr 21 02:40:17 EEST 2018


#6156: Issue with FFMPEG ALSA CPU usage
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             Reporter:  mushm0m     |                    Owner:
                 Type:  defect      |                   Status:  reopened
             Priority:  normal      |                Component:  avdevice
              Version:  git-master  |               Resolution:
             Keywords:  alsa        |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by kainz):

 Still digging... as a further comparison, using gstreamer, the following
 pipeline produces about 8% cpu use for me on the pi0:


     gst-launch-1.0 -v alsasrc device=hw:0 ! audio/x-raw, format=S16LE,
 rate=48000 ! queue ! wavenc ! filesink location=out.wav

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Ticket URL: <https://trac.ffmpeg.org/ticket/6156#comment:10>
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