>ffmpeg.exe -i input.mp4 -pix_fmt nv12 -c:v hevc_qsv -qscale:v 18 -profile:v main -load_plugin hevc_hw -an -preset faster -y out_hevc.mp4

ffmpeg version N-82874-g6b517a1 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.9.3 (GCC)
  configuration: --arch=x86_64 --target-os=mingw32 --cross-prefix=/home/stuff
/ffmpeg_build/sandbox/cross_compilers/mingw-w64-x86_64/bin/x86_64-w64-mingw32- -
-pkg-config=pkg-config --disable-w32threads --enable-libsoxr --enable-fontconfig
 --enable-libass --enable-libbluray --enable-iconv --enable-libtwolame --extra-c
flags=-DLIBTWOLAME_STATIC --enable-libzvbi --enable-libcaca --enable-libmodplug
--extra-libs=-lstdc++ --extra-libs=-lpng --enable-decklink --extra-libs=-loleaut
32 --enable-libmp3lame --enable-version3 --enable-zlib --enable-librtmp --enable
-libvorbis --enable-libtheora --enable-libspeex --enable-libopenjpeg --enable-gn
utls --enable-libgsm --enable-libfreetype --enable-libopus --enable-bzlib --enab
le-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable
-libschroedinger --enable-libvpx --enable-libilbc --enable-libwavpack --enable-l
ibwebp --enable-libgme --enable-dxva2 --enable-avisynth --enable-gray --enable-l
ibopenh264 --enable-netcdf --enable-libflite --enable-lzma --enable-libsnappy --
enable-libzimg --enable-gpl --enable-libx264 --enable-libx265 --enable-frei0r --
enable-filter=frei0r --enable-librubberband --enable-libvidstab --enable-libxavs
 --enable-libxvid --enable-libmfx --extra-libs=-lpsapi --extra-libs=-lspeexdsp -
-extra-cflags='-mtune=core2' --extra-cflags=-O3 --enable-static --disable-shared
 --prefix=/home/stuff/ffmpeg_build/sandbox/cross_compilers/mingw-w64-x86_64/x
86_64-w64-mingw32 --enable-nonfree --enable-libfdk-aac --enable-runtime-cpudetec
t
  libavutil      55. 43.100 / 55. 43.100
  libavcodec     57. 68.100 / 57. 68.100
  libavformat    57. 60.100 / 57. 60.100
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 68.100 /  6. 68.100
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
  libpostproc    54.  2.100 / 54.  2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '16209.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.60.100
  Duration: 00:00:28.70, start: 0.000000, bitrate: 26813 kb/s
    Stream #0:0(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, flt
p, 256 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
    Stream #0:1(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080
, 26606 kb/s, 60 fps, 60 tbr, 15360 tbn, 120 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Output #0, mp4, to 'out_hevc.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.60.100
    Stream #0:0(und): Video: hevc (hevc_qsv) ([35][0][0][0] / 0x0023), nv12, 192
0x1080, q=2-31, 1000 kb/s, 60 fps, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      encoder         : Lavc57.68.100 hevc_qsv
    Side data:
      cpb: bitrate max/min/avg: 0/0/1000000 buffer size: 0 vbv_delay: -1
Stream mapping:
  Stream #0:1 -> #0:0 (h264 (native) -> hevc (hevc_qsv))
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