[FFmpeg-trac] #5828(undetermined:new): Duration mismatch on opus to pcm conversion

FFmpeg trac at avcodec.org
Tue Sep 6 23:58:00 EEST 2016


#5828: Duration mismatch on opus to pcm conversion
-------------------------------------+-------------------------------------
             Reporter:  skirhir      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  opus         |               Blocked By:
  libopus                            |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:

 There is a random non negligible duration mismatch when converting from
 opus to PCM

 {{{

 }}}

 How to reproduce:
 {{{
 % ffmpeg -i test.opus out.wav
 ffmpeg version N-81528-g39f7564-static http://johnvansickle.com/ffmpeg/
 Copyright (c) 2000-2016 the FFmpeg developers
   built with gcc 5.4.1 (Debian 5.4.1-1) 20160803
 libopus version 1.1.3

 % ffprobe test.opus
 Input #0, ogg, from 'test.opus':
   Duration: 00:00:22.81, start: 1.346000, bitrate: 27 kb/s
     Stream #0:0(eng): Audio: opus, 48000 Hz, mono, fltp, delay 48, padding
 0
     Metadata:
       LANGUAGE        : eng
       ENCODER         : Lavf57.48.101

 % ffprobe output.wav
 Input #0, wav, from 'output.wav':
   Metadata:
     encoder         : Lavf57.48.101
   Duration: 00:00:21.48, bitrate: 768 kb/s
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 1
 channels, s16, 768 kb/s

 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5828>
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