[FFmpeg-trac] #4905(undetermined:new): Splitting a flac file using -ss and -t creates chunks with wrong duration

FFmpeg trac at avcodec.org
Sun Oct 4 13:31:07 CEST 2015


#4905: Splitting a flac file using -ss and -t creates chunks with wrong duration
-------------------------------------+-------------------------------------
             Reporter:  cdrsgi       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  flac         |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by cdrsgi):

 ffmpeg.exe -i 1_1.flac -f null -

 {{{
 ffmpeg version N-75563-g235381e Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 4.9.3 (GCC)
   configuration: --disable-static --enable-shared --enable-gpl --enable-
 version
  --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig
 --en
 ble-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-
 libbluray --
 nable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
 --enable
 libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-
 libmp3lame
 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --en
 ble-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr
 --enable
 libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab
 --enable-li
 vo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
 --enable-l
 bwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-
 libxavs --
 nable-libxvid --enable-lzma --enable-decklink --enable-zlib
   libavutil      55.  2.100 / 55.  2.100
   libavcodec     57.  3.100 / 57.  3.100
   libavformat    57.  2.100 / 57.  2.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6.  8.100 /  6.  8.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.100 /  2.  0.100
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, flac, from '1_1.flac':
   Metadata:
     ALBUM           : Ten
     ALBUMARTISTSORT : Pearl Jam
     ARTIST          : Pearl Jam
     ARTISTSORT      : Pearl Jam
     CATALOGNUMBER   : 88697398492
     comment         : Track 1
     DATE            : 2009-03-23
     disc            : 1
     GENRE           : Grunge
     LABEL           : Bertelsmann Music Group
     LANGUAGE        : eng
     MEDIA           : CD
     MUSICBRAINZ_ALBUMARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103
     MUSICBRAINZ_ALBUMID: 06fc304e-d70a-4846-93e5-544d6aa618d6
     MUSICBRAINZ_ARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103
     MUSICBRAINZ_TRACKID: 94bed552-376f-492d-8e87-f470aa7fda0c
     MUSICIP_PUID    : 15ee9b0f-beda-b60f-cb39-e59d719d9f67
     ORIGINALDATE    : 1991-08-27
     RELEASECOUNTRY  : GB
     RELEASESTATUS   : official
     RELEASETYPE     : album
     SCRIPT          : Latn
     TITLE           : Once
     track           : 01
     REPLAYGAIN_ALBUM_GAIN: -5.72 dB
     REPLAYGAIN_ALBUM_PEAK: 1.119748
     REPLAYGAIN_TRACK_GAIN: -6.22 dB
     REPLAYGAIN_TRACK_PEAK: 0.950928
     ENCODEDBY       : Easy CD-DA Extractor (http://www.poikosoft.com)
     TOTALTRACKS     : 11
     TOTALDISCS      : 2
     album_artist    : Pearl Jam
     ENCODER         : Lavf57.2.100
   Duration: 00:03:51.67, start: 0.000000, bitrate: 257 kb/s
     Stream #0:0: Audio: flac, 44100 Hz, stereo, s16
     Side data:
       replaygain: track gain - -6.220000, track peak - 0.000022, album
 gain - -
 .720000, album peak - 0.000026,
 Output #0, null, to 'pipe:':
   Metadata:
     ALBUM           : Ten
     ALBUMARTISTSORT : Pearl Jam
     ARTIST          : Pearl Jam
     ARTISTSORT      : Pearl Jam
     CATALOGNUMBER   : 88697398492
     comment         : Track 1
     DATE            : 2009-03-23
     disc            : 1
     GENRE           : Grunge
     LABEL           : Bertelsmann Music Group
     LANGUAGE        : eng
     MEDIA           : CD
     MUSICBRAINZ_ALBUMARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103
     MUSICBRAINZ_ALBUMID: 06fc304e-d70a-4846-93e5-544d6aa618d6
     MUSICBRAINZ_ARTISTID: 83b9cbe7-9857-49e2-ab8e-b57b01038103
     MUSICBRAINZ_TRACKID: 94bed552-376f-492d-8e87-f470aa7fda0c
     MUSICIP_PUID    : 15ee9b0f-beda-b60f-cb39-e59d719d9f67
     ORIGINALDATE    : 1991-08-27
     RELEASECOUNTRY  : GB
     RELEASESTATUS   : official
     RELEASETYPE     : album
     SCRIPT          : Latn
     TITLE           : Once
     track           : 01
     REPLAYGAIN_ALBUM_GAIN: -5.72 dB
     REPLAYGAIN_ALBUM_PEAK: 1.119748
     REPLAYGAIN_TRACK_GAIN: -6.22 dB
     REPLAYGAIN_TRACK_PEAK: 0.950928
     ENCODEDBY       : Easy CD-DA Extractor (http://www.poikosoft.com)
     TOTALTRACKS     : 11
     TOTALDISCS      : 2
     album_artist    : Pearl Jam
     encoder         : Lavf57.2.100
     Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
     Metadata:
       encoder         : Lavc57.3.100 pcm_s16le
 Stream mapping:
   Stream #0:0 -> #0:0 (flac (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 size=N/A time=00:01:17.27 bitrate=N/A
 video:0kB audio:13312kB subtitle:0kB other streams:0kB global headers:0kB
 muxin
  overhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4905#comment:2>
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