dopelabs$ ffprobe -i `youtube-dl -g https://www.youtube.com/watch?v=holhZM1OpTc`
ffprobe version 2.4.3 Copyright (c) 2007-2014 the FFmpeg developers
  built on Nov 15 2014 21:12:17 with Apple LLVM version 6.0 (clang-600.0.54) (based on LLVM 3.5svn)
  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-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 --arch=x86_64 --enable-yasm --enable-gpl --enable-postproc --enable-libx264 --enable-libxvid
  libavutil      54.  7.100 / 54.  7.100
  libavcodec     56.  1.100 / 56.  1.100
  libavformat    56.  4.101 / 56.  4.101
  libavdevice    56.  0.100 / 56.  0.100
  libavfilter     5.  1.100 /  5.  1.100
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  0.100 /  3.  0.100
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  0.100 / 53.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://r8---sn-o097znel.googlevideo.com/videoplayback?id=o-APWfGROGgBVCWuaOIpEz4FFP4-KNU5ZI7ltSYG_cFEQO&dur=4689.432&ms=au&mt=1417430940&mv=m&ip=50.184.214.146&mm=31&itag=22&sver=3&ipbits=0&requiressl=yes&sparams=dur%2Cgcr%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Cmm%2Cms%2Cmv%2Crequiressl%2Csource%2Cupn%2Cexpire&fexp=905639%2C907259%2C912146%2C916644%2C927622%2C932404%2C939100%2C942622%2C942702%2C942901%2C943909%2C947209%2C948124%2C952302%2C952605%2C952901%2C953803%2C953912%2C957103%2C957105%2C957201&signature=7E806AB05886ED86B919F62D169D9C853FB2A4D0.E5D29795257B3584E85369FF9238A79622F398AA&gcr=us&initcwndbps=2238750&source=youtube&key=yt5&upn=jpJQYp_jRH8&expire=1417452589&ratebypass=yes':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2014-11-30 21:25:22
  Duration: 01:18:09.39, start: 0.000000, bitrate: 2915 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 2721 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 192 kb/s (default)
    Metadata:
      creation_time   : 2014-11-30 21:26:39
      handler_name    : IsoMedia File Produced by Google, 5-11-2011