FFmpeg build macos 2019-05-07

Configuration:
  --disable-ffplay
  --disable-ffprobe
  --disable-x86asm
  
Libraries:
- amd amf encoders
- cuda
- cuvid
- ffnvcodec
- libdav1d
- libmp3lame
- libopus
- libvorbis
- libvpx
- libx264
- libx265
- nvdec
- nvenc
- schannel with gmp
- sdl2 (2.0.9)

  
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 2.1
or later (LGPL v2.1+) as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License version 2.1 or later (LGPL v2.1+) for more details.

You should have received a copy of the General Public License version 2.1
along with this program.  If not, see <http://www.gnu.org/licenses/>.