[FFmpeg-trac] #1833(avformat:new): Vorbis Comment Chapter Extension (for Opus, Vorbis, Flac, etc.)

[FFmpeg]

#1833: Vorbis Comment Chapter Extension (for Opus, Vorbis, Flac, etc.)
-------------------------------------+------------------------------------
             Reporter:  auphonic     |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:  avformat
              Version:  unspecified  |               Resolution:
             Keywords:  ogg          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+------------------------------------

Comment (by auphonic):

 Sorry, I forgot an example file - it is attached.
 It is a 20sec file with 4 chapters.

 Here is the output of ffmpeg -i vorbis_chapter_extension_demo.ogg:
 {{{
 holzi at holzi-dell:~/Desktop$ ffmpeg -i vorbis_chapter_extension_demo.ogg
 ffmpeg version N-44622-g16e52c8 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Sep 20 2012 12:42:58 with gcc 4.6 (Ubuntu/Linaro
 4.6.3-1ubuntu5)
   configuration: --enable-gpl --enable-version3 --enable-nonfree
 --disable-ffplay --disable-ffserver --disable-avdevice --enable-bzlib
 --enable-libopencore-amrnb --enable-libfreetype --enable-libopencore-amrwb
 --enable-libfaac --enable-libgsm --enable-libmp3lame --enable-
 libschroedinger --enable-libspeex --enable-libvorbis --enable-libvpx
 --enable-libopus
   libavutil      51. 73.101 / 51. 73.101
   libavcodec     54. 56.100 / 54. 56.100
   libavformat    54. 27.101 / 54. 27.101
   libavfilter     3. 16.104 /  3. 16.104
   libswscale      2.  1.101 /  2.  1.101
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 Input #0, ogg, from 'vorbis_chapter_extension_demo.ogg':
   Duration: 00:00:19.84, start: 0.000000, bitrate: 43 kb/s
     Stream #0:0: Audio: vorbis, 44100 Hz, mono, s16, 40 kb/s
     Metadata:
       TITLE           : vorbis chapter extension demo
       DATE            : 2012
       ENCODED_BY      : auphonic.com
       ENCODED-BY      : auphonic.com
       CHAPTER001      : 00:00:00.000
       CHAPTER001NAME  : start
       CHAPTER002      : 00:00:05.000
       CHAPTER002NAME  : Five Seconds
       CHAPTER003      : 00:00:10.500
       CHAPTER003NAME  : Ten point 5 seconds
       CHAPTER004      : 00:00:15.000
       CHAPTER004NAME  : 15 sec - over soon
 At least one output file must be specified
 }}}
 (I did not set an output file here)

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1833#comment:2>
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