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

FFmpeg trac at avcodec.org
Fri May 24 12:05:20 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 MrNice):

 Could you check if I can use this small script to speed the precess?
 Thanks
 {{{
 #!/bin/bash

 nbloop = 0

 while true;
 do
 nbloop = nbloop + 1

 ./configure --disable-protocols --disable-decoders --disable-encoders
 --disable-demuxers --disable-muxers --disable-outdevs --disable-bsfs
 --disable-parsers --enable-protocol=file --enable-decoder=pcm_s16le
 --enable-encoder=pcm_s16le --enable-muxer=wav --disable-filters && make
 ffmpeg

 ./ffmpeg -f alsa -ac 2 -i hw:0,0 -y out.wav -t 0:0:08

 mplayer out.wav -loop 10

 echo "loops num:" nbloop$

 echo [g]ood or [b]ad sound? [e]xit [p]lay
 read KB

 case $KB in
 g)
         make distclean && git bisect good
         echo GOOD;;

 b)
         make distclean && git bisect badq
         echo BAD;;

 p)
         mplayer out.wav -loop 4;;

 e)
         exit;;
 esac


 done
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2504#comment:59>
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