[FFmpeg-trac] #4695(undetermined:new): Why is that PCM invalid?

FFmpeg trac at avcodec.org
Fri Jul 3 09:18:08 CEST 2015


#4695: Why is that PCM invalid?
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  michael.heuberger                  |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by michael.heuberger):

 i tried following but i do hear nothing


 {{{
 $ ffplay -channels 1 -f s16le 1.pcm
   staging
 ffplay version 2.4.2 Copyright (c) 2003-2014 the FFmpeg developers
   built on Oct 10 2014 15:15:58 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
   configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-
 avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3
 --enable-x11grab --enable-libpulse --enable-libopencore-amrnb --enable-
 libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb
 --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis
 --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex
 --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid
   libavutil      54.  7.100 / 54.  7.100
   libavcodec     56.  1.100 / 56.  1.100
   libavformat    56.  4.101 / 56.  4.101
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  1.100 /  5.  1.100
   libavresample   2.  1.  0 /  2.  1.  0
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  0.100 / 53.  0.100
 [s16le @ 0x7f6bcc0008c0] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, s16le, from '1.pcm':
   Duration: 00:00:00.05, bitrate: 705 kb/s
     Stream #0:0: Audio: pcm_s16le, 44100 Hz, 1 channels, s16, 705 kb/s
   14.98 M-A:  0.000 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4695#comment:5>
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