[FFmpeg-trac] #5179(undetermined:new): Native AAC encoder does not respect channelmap assignments

[FFmpeg]

#5179: Native AAC encoder does not respect channelmap assignments
-------------------------------------+-------------------------------------
             Reporter:  mulvya       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by mulvya):

 At least some encoder seems to, according to
 http://stackoverflow.com/questions/34938715/ffmpeg-mapping-4-audio-
 channels-to-1-audio-track

 specifically

 {{{
 Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '4chan.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2016-01-19 04:11:52
   Duration: 00:19:58.00, start: 0.000000, bitrate: 5118 kb/s
     Stream #1:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv,
 smpte1
 70m/smpte170m/bt709), 768x576, 4955 kb/s, 25 fps, 25 tbr, 25k tbn, 50k tbc
 (defa
 ult)
     Metadata:
       creation_time   : 2016-01-19 04:11:52
       handler_name    : Apple Alias Data Handler
       encoder         : H.264
       timecode        : 00:28:33:21
     Stream #1:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, quad,
 fltp,
  157 kb/s (default)
     Metadata:
       creation_time   : 2016-01-19 04:11:52
       handler_name    : Apple Alias Data Handler
     Stream #1:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
     Metadata:
       rotate          : 0
       creation_time   : 2016-01-19 04:11:52
       handler_name    : Apple Alias Data Handler
       timecode        : 00:28:33:21
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5179#comment:2>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker