[FFmpeg-trac] #2504(undetermined:new): Audio glitches and distortion when recording and direct play

FFmpeg trac at avcodec.org
Fri May 24 14:18:17 CEST 2013


#2504: Audio glitches and distortion when recording and direct play
-------------------------------------+-------------------------------------
             Reporter:  MrNice       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:  regression   |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 Replying to [comment:61 MrNice]:
 > You are right, first record was bad, second was good.

 Regression since 3cac2f1.

 This is likely an alsa driver bug, please test the following:
 {{{
 $ arecord -N -f cd -t wav out.wav
 }}}
 If out.wav plays with distortions, nonblocking mode does not work on your
 device with your driver.
 Your alsa driver version - 1.0.22 - is a little old, perhaps there is an
 update?

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2504#comment:62>
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