C:\Users\YaMoonSun\Videos>ffmpeg -i "How to grow magic mushrooms.mp4" -vf scale=
-1:480 -c:v libx264 -b:v 1M -c:a copy "Mushrooms 480p.mp4" -y
ffmpeg version N-70148-g418be7c Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.9.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-lib
modplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinge
r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en
able-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-
libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enab
le-zlib
  libavutil      54. 19.100 / 54. 19.100
  libavcodec     56. 26.100 / 56. 26.100
  libavformat    56. 23.104 / 56. 23.104
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 11.101 /  5. 11.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000000002ccffa0] stream 0, timescale not set
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'How to grow magic mushrooms.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2014-11-28 08:06:20
    track           : 1
    comment         : www.dvdvideosoft.com
    title           : How to grow magic mushrooms
  Duration: 01:01:08.10, start: 0.000000, bitrate: 1547 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720
[SAR 1:1 DAR 16:9], 1352 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, flt
p, 191 kb/s (default)
    Metadata:
      creation_time   : 2014-11-28 08:07:16
      handler_name    : IsoMedia File Produced by Google, 5-11-2011
    Stream #0:2: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 1280x720 [
SAR 1:1 DAR 16:9], 90k tbr, 90k tbn, 90k tbc
[libx264 @ 0000000002c6a640] width not divisible by 2 (853x480)
Output #0, mp4, to 'Mushrooms 480p.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    title           : How to grow magic mushrooms
    track           : 1
    comment         : www.dvdvideosoft.com
    Stream #0:0(und): Video: h264, none, q=2-31, 128 kb/s, SAR 2560:2559 DAR 0:0
, 25 fps (default)
    Metadata:
      handler_name    : VideoHandler
      encoder         : Lavc56.26.100 libx264
    Stream #0:1(und): Audio: none, 0 channels, 128 kb/s (default)
    Metadata:
      creation_time   : 2014-11-28 08:07:16
      handler_name    : IsoMedia File Produced by Google, 5-11-2011
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (copy)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters
such as bit_rate, rate, width or height

C:\Users\YaMoonSun\Videos>pause
Press any key to continue . . .