[FFmpeg-trac] #8788(avcodec:new): Vorbis audio file doesn't play the same after seeking back to zero.

[FFmpeg]

#8788: Vorbis audio file doesn't play the same after seeking back to zero.
-------------------------------------+-------------------------------------
             Reporter:  dalecurtis   |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  vorbis       |               Blocked By:
  regression                         |
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:   => vorbis regression
 * priority:  normal => important
 * version:  unspecified => git-master
 * component:  undetermined => avcodec
 * reproduced:  0 => 1


Comment:

 For future patches, please don't forget to provide the tested command line
 together with the complete, uncut console output.

 Regression since e9ffee23f372390684d6d94bf8abf51350fc66a3 and wrt avplay
 12.
 {{{
 $ ffplay untitled.ogg
 ffplay version N-98474-g05f3d37dd5 Copyright (c) 2003-2020 the FFmpeg
 developers
   built with gcc 9 (SUSE Linux)
   configuration: --enable-gpl --enable-gnutls --enable-libmp3lame
 --enable-libx264 --enable-libx265 --enable-libdav1d --enable-libvpx
 --enable-libopus --enable-libxml2 --enable-libwebp --enable-librav1e
 --enable-libfreetype --enable-libass
   libavutil      56. 55.100 / 56. 55.100
   libavcodec     58. 95.100 / 58. 95.100
   libavformat    58. 48.100 / 58. 48.100
   libavdevice    58. 11.101 / 58. 11.101
   libavfilter     7. 87.100 /  7. 87.100
   libswscale      5.  8.100 /  5.  8.100
   libswresample   3.  8.100 /  3.  8.100
   libpostproc    55.  8.100 / 55.  8.100
 Input #0, ogg, from 'untitled.ogg':0KB vq=    0KB sq=    0B f=0/0
   Duration: 00:00:12.99, start: 0.000333, bitrate: 559 kb/s
     Stream #0:0: Audio: vorbis, 48000 Hz, stereo, fltp, 160 kb/s
     Metadata:
       encoder         : Lavf58.42.100
 [ogg @ 0x7f8b24000bc0] 6 bytes of comment header remain  0B f=0/0
 [ogg @ 0x7f8b24000bc0] truncated comment header, 12288001 comments not
 found
 Seek to  0% ( 0:00:00) of total duration ( 0:00:12)       B f=0/0
 [ogg @ 0x7f8b24000bc0] 6 bytes of comment header remain  0B f=0/0
 [ogg @ 0x7f8b24000bc0] truncated comment header, 12288001 comments not
 found
    4.65 M-A:  0.000 fd=   0 aq=  101KB vq=    0KB sq=    0B f=0/0
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8788#comment:4>
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