[FFmpeg-trac] #7255(undetermined:new): Lost beginning left brackets in .lrc when convert to .srt

[FFmpeg]

#7255: Lost beginning left brackets in .lrc when convert to .srt
-------------------------------------+-------------------------------------
             Reporter:  agguser      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
    Left brackets at the beginning of lines in .lrc lyrics file is lost
 when convert to .srt
 How to reproduce:
 {{{
 % echo '[00:00.00][abc]def[ghi]' | ffmpeg -i - -f srt -
 ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers
   built with gcc 8.1.0 (GCC)
   configuration: --prefix=/usr --disable-debug --disable-static --disable-
 stripping --enable-avresample --enable-fontconfig --enable-gmp --enable-
 gnutls --enable-gpl --enable-ladspa --enable-libass --enable-libbluray
 --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm
 --enable-libiec61883 --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-nvenc --enable-omx --enable-shared --enable-version3
   libavutil      56. 14.100 / 56. 14.100
   libavcodec     58. 18.100 / 58. 18.100
   libavformat    58. 12.100 / 58. 12.100
   libavdevice    58.  3.100 / 58.  3.100
   libavfilter     7. 16.100 /  7. 16.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  1.100 /  5.  1.100
   libswresample   3.  1.100 /  3.  1.100
   libpostproc    55.  1.100 / 55.  1.100
 Input #0, lrc, from 'pipe:':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Subtitle: text
 Output #0, srt, to 'pipe:':
   Metadata:
     encoder         : Lavf58.12.100
     Stream #0:0: Subtitle: subrip (srt)
     Metadata:
       encoder         : Lavc58.18.100 srt
 Stream mapping:
   Stream #0:0 -> #0:0 (text (native) -> subrip (srt))
 1
 00:00:00,000 --> 1193:02:47,295
 abc]def[ghi]

 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 300.000000%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7255>
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