[FFmpeg-trac] #7532(ffmpeg:new): copying chapter markers doesn't work with libopus

FFmpeg trac at avcodec.org
Mon Nov 5 03:46:41 EET 2018

#7532: copying chapter markers doesn't work with libopus
             Reporter:               |                     Type:  defect
  BlackLotus89                       |                 Priority:  normal
               Status:  new          |                  Version:
            Component:  ffmpeg       |  unspecified
             Keywords:  chapters,    |               Blocked By:
  libopus                            |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
 Summary of the bug:
 When using libopus you can't add chapter markers.

 How to reproduce:
 % wget https://freakshow.fm/podlove/file/5513/s/webplayer/c/episode/fs225
 % ffmpeg -i fs225-frontend-von-judaea.opus -c:a copy output.opus
 ffmpeg version n4.0.3 Copyright (c) 2000-2018 the FFmpeg developers
   built with gcc 8.2.1 (GCC) 20180831
   configuration: --prefix=/usr --disable-debug --disable-static --disable-
 stripping --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl
 --enable-ladspa --enable-libaom --enable-libass --enable-libbluray
 --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm
 --enable-libiec61883 --enable-libjack --enable-libmodplug --enable-
 libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-
 libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-
 libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-
 libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid
 --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-
 (it's the archlinux package ffmpeg 4.0.3-1)
 This is the fastest way to reproduce the problem right now. I tried
 different map variations (map_metadata, map_chapters, ...) extracting the
 metadata with ffmpeg shows the chapters.
 Using other codecs like AAC doesn't have this problem.
 % wget https://freakshow.fm/podlove/file/5514/s/webplayer/c/episode/fs225
 % ffmpeg -i fs225-frontend-von-judaea.m4a -c:a copy output.m4a
 just works.

 PS can't select the correct version.

Ticket URL: <https://trac.ffmpeg.org/ticket/7532>
FFmpeg <https://ffmpeg.org>
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