[FFmpeg-trac] #3755(undetermined:closed): E-AC-3 encoder does not support more than 6 channels encoding

[FFmpeg]

#3755: E-AC-3 encoder does not support more than 6 channels encoding
-------------------------------------+-------------------------------------
             Reporter:  microchip    |                    Owner:
                 Type:  enhancement  |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:  duplicate
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by microchip):

 this is the complete output

 {{{
 neutrino at neutrino:~> ffmpeg -i DTS-ES-7chans.mkv -c:v copy -c:a eac3
 -channels 7 test.mkv
 ffmpeg version 2.2.4 Copyright (c) 2000-2014 the FFmpeg developers
   built on Jun 26 2014 19:58:30 with gcc 4.8 (SUSE Linux)
   configuration: --shlibdir=/usr/lib64 --prefix=/usr
 --mandir=/usr/share/man --libdir=/usr/lib64 --enable-shared --disable-
 static --enable-debug --disable-stripping --extra-cflags='-fmessage-
 length=0 -grecord-gcc-switches -fstack-protector -O2 -Wall
 -D_FORTIFY_SOURCE=2 -funwind-tables -fasynchronous-unwind-tables -g -fPIC
 -I/usr/include/gsm' --enable-gpl --enable-x11grab --enable-version3
 --enable-pthreads --enable-avfilter --enable-libpulse --enable-libvpx
 --enable-libopus --enable-libass --enable-libx265 --enable-libmp3lame
 --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libxvid
 --enable-libx264 --enable-libschroedinger --enable-libgsm --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-postproc --enable-
 libdc1394 --enable-librtmp --enable-libfreetype --enable-avresample
 --enable-libtwolame --enable-libvo-aacenc --enable-gnutls
   libavutil      52. 66.100 / 52. 66.100
   libavcodec     55. 52.102 / 55. 52.102
   libavformat    55. 33.100 / 55. 33.100
   libavdevice    55. 10.100 / 55. 10.100
   libavfilter     4.  2.100 /  4.  2.100
   libavresample   1.  2.  0 /  1.  2.  0
   libswscale      2.  5.102 /  2.  5.102
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 [dca @ 0xa47100] Number of channels changed in DCA decoder (6 -> 7)
 Input #0, matroska,webm, from 'DTS-ES-7chans.mkv':
   Metadata:
     encoder         : libebml v0.7.7 + libmatroska v0.8.1
     creation_time   : 2009-04-28 05:18:10
   Duration: 01:44:05.25, start: 0.000000, bitrate: 2 kb/s
     Stream #0:0(eng): Video: h264 (High), yuv420p, 1280x532, SAR 1:1 DAR
 320:133, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
     Stream #0:1(eng): Audio: dts (DTS-ES), 48000 Hz, 6.1, fltp, 1536 kb/s
 (default)
     Metadata:
       title           : eng
     Stream #0:2(chi): Audio: ac3, 48000 Hz, 5.1(side), fltp, 384 kb/s
     Metadata:
       title           : 国语
 File 'test.mkv' already exists. Overwrite ? [y/N] y
 Output #0, matroska, to 'test.mkv':
   Metadata:
     encoder         : Lavf55.33.100
     Stream #0:0(eng): Video: h264 (H264 / 0x34363248), yuv420p, 1280x532
 [SAR 1:1 DAR 320:133], q=2-31, 23.98 fps, 1k tbn, 1k tbc (default)
     Stream #0:1(eng): Audio: eac3 ([0] [0][0] / 0x2000), 48000 Hz,
 5.1(side), fltp, 448 kb/s (default)
     Metadata:
       title           : eng
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (dca -> eac3)
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3755#comment:4>
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