RA:~ RA$ ffmpeg -i /Volumes/Home/Video/2016/2016.07.31\ 15-58.MOV -vcodec copy  -acodec mp3 /Users/RA/Desktop/123.mp4
ffmpeg version 3.1.1 Copyright (c) 2000-2016 the FFmpeg developers
  built with Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
  configuration: --prefix=/opt/local --enable-swscale --enable-avfilter --enable-avresample --enable-libmp3lame --enable-libvorbis --enable-libopus --enable-libtheora --enable-libschroedinger --enable-libopenjpeg --enable-libmodplug --enable-libvpx --enable-libsoxr --enable-libspeex --enable-libass --enable-libbluray --enable-lzma --enable-gnutls --enable-fontconfig --enable-libfreetype --enable-libfribidi --disable-indev=jack --disable-outdev=xv --mandir=/opt/local/share/man --enable-shared --enable-pthreads --cc=/usr/bin/clang --enable-vda --enable-audiotoolbox --enable-videotoolbox --arch=x86_64 --enable-yasm --enable-gpl --enable-postproc --enable-libx264 --enable-libxvid --enable-nonfree --enable-libfdk-aac --enable-libfaac
  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
  libavresample   3.  0.  0 /  3.  0.  0
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
  libpostproc    54.  0.100 / 54.  0.100
[h264 @ 0x7f8b32835c00] Increasing reorder buffer to 1
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Volumes/Home/Video/2016/2016.07.31 15-58.MOV':
  Metadata:
    major_brand     : qt
    minor_version   : 537331968
    compatible_brands: qt  niko
    creation_time   : 2016-07-31 15:58:24
  Duration: 00:00:06.24, start: 0.000000, bitrate: 41624 kb/s
    Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, smpte170m/bt709/bt470m), 1920x1080, 39721 kb/s, 50 fps, 50 tbr, 50k tbn, 100 tbc (default)
    Metadata:
      creation_time   : 2016-07-31 15:58:24
    Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, 2 channels, s16, 1536 kb/s (default)
    Metadata:
      creation_time   : 2016-07-31 15:58:24
[mp4 @ 0x7f8b32820e00] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
    Last message repeated 1 times
Output #0, mp4, to '/Users/RA/Desktop/123.mp4':
  Metadata:
    major_brand     : qt
    minor_version   : 537331968
    compatible_brands: qt  niko
    encoder         : Lavf57.41.100
    Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuvj420p(pc, smpte170m/bt709/bt470m), 1920x1080, q=2-31, 39721 kb/s, 50 fps, 50 tbr, 50k tbn, 50k tbc (default)
    Metadata:
      creation_time   : 2016-07-31 15:58:24
    Stream #0:1(eng): Audio: mp3 (libmp3lame) (i[0][0][0] / 0x0069), 48000 Hz, stereo, s16p (default)
    Metadata:
      creation_time   : 2016-07-31 15:58:24
      encoder         : Lavc57.48.101 libmp3lame
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (pcm_s16le (native) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
frame=  312 fps=0.0 q=-1.0 Lsize=   30362kB time=00:00:06.24 bitrate=39853.6kbits/s speed=31.2x  
video:30257kB audio:98kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.024457%