[FFmpeg-trac] #3969(avformat:new): Incorect mapping of tags during m4a -> mp3 transcoding

[FFmpeg]

#3969: Incorect mapping of tags during m4a -> mp3 transcoding
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             Reporter:  ra666ack     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avformat
              Version:  unspecified  |               Resolution:
             Keywords:  id3v2        |               Blocked By:
  metadata                           |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
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Comment (by ra666ack):

 Replying to [comment:6 cehoyos]:
 > Is this still reproducible?
 > Or was it fixed in dc351e1381900ead3288079f93f359161804d024 ?

 The issue seems to be fixed. During the m4a to mp3 conversion the ID3v2.4
 tag is written. The year is stored in 'TRDC' Tag which seems to work now.

 Tested on:

 ffmpeg version 2.5.git Copyright (c) 2000-2014 the FFmpeg developers
   built on Dec 10 2014 20:15:35 with gcc 4.9.1 (Ubuntu 4.9.1-16ubuntu6)
   configuration: --prefix=/home/###/ffmpeg_build --extra-
 cflags=-I/home/###/ffmpeg_build/include --extra-
 ldflags=-L/home/###/ffmpeg_build/lib --bindir=/home/###/bin --enable-gpl
 --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-
 libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis
 --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab
   libavutil      54. 15.100 / 54. 15.100
   libavcodec     56. 14.100 / 56. 14.100
   libavformat    56. 15.103 / 56. 15.103
   libavdevice    56.  3.100 / 56.  3.100
   libavfilter     5.  2.103 /  5.  2.103
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100

 Thanks for fixing!

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Ticket URL: <https://trac.ffmpeg.org/ticket/3969#comment:7>
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