[FFmpeg-user] Error - Unconnected output

[Ganesh.Irelan at syda.org]

Hello,

I'm trying to concatenate three MP4 files but I'm getting an error and I can't see the problem.

Thank you for your help.
Kevin Irelan

3128-MacMini:Applications ganesh$ ./ffmpeg -i "/Users/ganesh/Desktop/Top Level/Exported Media/0001RR.mp4" -i "/Users/ganesh/Desktop/Top Level/Exported Media/0003ZR.mp4" -i "/Users/ganesh/Desktop/Top Level/Exported Media/0004ML.mp4" -filter_complex "[0:v:0][0:a:0][1:v:0][1:a:0][2:v:0][2:a:0]concat=n=3:v=1:a=1[vcat][acat]" -map "[vcat]" -map "[acat]" -crf 40 -c:v libx264 -c:a aac Concat_test2.mp4

ffmpeg version 3.1.1-tessus Copyright (c) 2000-2016 the FFmpeg developers
  built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
  configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --as=yasm --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzmq --enable-version3 --disable-ffplay --disable-indev=qtkit --disable-indev=x11grab_xcb
  libavutil      55. 28.100 / 55. 28.100
  libavcodec     57. 48.101 / 57. 48.101
  libavformat    57. 41.100 / 57. 41.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 47.100 /  6. 47.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
  libpostproc    54.  0.100 / 54.  0.100
Trailing options were found on the commandline.
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/ganesh/Desktop/Top Level/Exported Media/0001RR.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41
    creation_time   : 2016-07-15 16:19:24
  Duration: 00:28:42.90, start: 0.000000, bitrate: 3245 kb/s
    Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 720x480 [SAR 10:11 DAR 15:11], 2987 kb/s, SAR 109:120 DAR 109:80, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      creation_time   : 2016-07-15 16:19:24
      handler_name    : Alias Data Handler
      encoder         : AVC Coding
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 253 kb/s (default)
    Metadata:
      creation_time   : 2016-07-15 16:19:24
      handler_name    : Alias Data Handler
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/ganesh/Desktop/Top Level/Exported Media/0003ZR.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41
    creation_time   : 2016-07-15 16:20:57
  Duration: 00:03:13.88, start: 0.000000, bitrate: 3254 kb/s
    Stream #1:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 720x480 [SAR 10:11 DAR 15:11], 2996 kb/s, SAR 109:120 DAR 109:80, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      creation_time   : 2016-07-15 16:20:57
      handler_name    : Alias Data Handler
      encoder         : AVC Coding
    Stream #1:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 253 kb/s (default)
    Metadata:
      creation_time   : 2016-07-15 16:20:57
      handler_name    : Alias Data Handler
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/ganesh/Desktop/Top Level/Exported Media/0004ML.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41
    creation_time   : 2016-07-15 16:25:41
  Duration: 00:11:42.08, start: 0.000000, bitrate: 3245 kb/s
    Stream #2:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 720x480 [SAR 10:11 DAR 15:11], 2987 kb/s, SAR 109:120 DAR 109:80, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      creation_time   : 2016-07-15 16:25:41
      handler_name    : Alias Data Handler
      encoder         : AVC Coding
    Stream #2:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 253 kb/s (default)
    Metadata:
      creation_time   : 2016-07-15 16:25:41
      handler_name    : Alias Data Handler
Filter concat:out:a0 has an unconnected output




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