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

FFmpeg trac at avcodec.org
Thu May 23 11:42:14 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):

 Hi cehoyos,

 I started your process. I installed git, gcc and yasm.
 I run the 2 first steps then the big ./configure (comment: 27)
 Everything OK
 Now Record:
 {{{
 ffmpeg]$ ./ffmpeg -f alsa -ac 2 -i hw:0,0 -y out.wav
 ffmpeg version N-53363-g1fded9b Copyright (c) 2000-2013 the FFmpeg
 developers
   built on May 23 2013 10:33:10 with gcc 4.4.7 (GCC) 20120313 (Red Hat
 4.4.7-3)
   configuration: --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
   libavutil      52. 33.100 / 52. 33.100
   libavcodec     55. 10.101 / 55. 10.101
   libavformat    55.  7.100 / 55.  7.100
   libavdevice    55.  1.101 / 55.  1.101
   libavfilter     3. 69.100 /  3. 69.100
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
 Unknown input format: 'alsa'
 }}}
 alsa is not here.
 What I have to do?

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2504#comment:32>
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