Beta Branch update addons/ffmpeg.sh add AV1 support

update addons/ffmpeg.sh add AV1 support

- prep for AV1 codec support AV1 Test Results. Disabled by default, ENABLE_AVONE='n'
- fix fdk-aac related ffmpeg compile error due to master branch API changes in updated fdk-aac v2.0.0 by using an early tagged version of fdk-aac 0.1.6 until patch fixes land in ffmpeg mstorsjo/fdk-aac
- update libvpx compile options

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123.09beta01 branch

• Branch: centminmod/centminmod
• Commit History: centminmod/centminmod

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When addons/ffmpeg.sh install is run with ENABLE_AVONE='y' to enable AV1 encoder support

Code (Text):

ffmpeg -h encoder=libaom-av1

ffmpeg version git-2018-09-03-23fe072 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-28)
  configuration: --prefix=/opt/ffmpeg --extra-cflags='-fPIC -I/opt/ffmpeg/include' --extra-ldflags='-L/opt/ffmpeg/lib -Wl,-Bsymbolic' --bindir=/opt/bin --pkg-config-flags=--static --extra-libs=-lpthread --extra-libs=-lm --enable-gpl --enable-nonfree --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libaom --enable-swscale --enable-pic --extra-ldexeflags=-pie --enable-shared
  libavutil      56. 19.100 / 56. 19.100
  libavcodec     58. 27.101 / 58. 27.101
  libavformat    58. 17.106 / 58. 17.106
  libavdevice    58.  4.101 / 58.  4.101
  libavfilter     7. 26.100 /  7. 26.100
  libswscale      5.  2.100 /  5.  2.100
  libswresample   3.  2.100 /  3.  2.100
  libpostproc    55.  2.100 / 55.  2.100
Encoder libaom-av1 [libaom AV1]:
    General capabilities: delay exp threads 
    Threading capabilities: auto
    Supported pixel formats: yuv420p yuv422p yuv444p yuv420p10le yuv422p10le yuv444p10le yuv420p12le yuv422p12le yuv444p12le
libaom-av1 encoder AVOptions:
  -cpu-used          <int>        E..V..... Quality/Speed ratio modifier (from 0 to 8) (default 1)
  -auto-alt-ref      <int>        E..V..... Enable use of alternate reference frames (2-pass only) (from -1 to 2) (default -1)
  -lag-in-frames     <int>        E..V..... Number of frames to look ahead at for alternate reference frame selection (from -1 to INT_MAX) (default -1)
  -error-resilience  <flags>      E..V..... Error resilience configuration (default 0)
     default                      E..V..... Improve resiliency against losses of whole frames
     partitions                   E..V..... The frame partitions are independently decodable by the bool decoder, meaning that partitions can be decoded even though earlier partitions have been lost. Note that intra predicition is still done over the partition boundary.
  -crf               <int>        E..V..... Select the quality for constant quality mode (from -1 to 63) (default -1)
  -static-thresh     <int>        E..V..... A change threshold on blocks below which they will be skipped by the encoder (from 0 to INT_MAX) (default 0)
  -drop-threshold    <int>        E..V..... Frame drop threshold (from INT_MIN to INT_MAX) (default 0)
  -noise-sensitivity <int>        E..V..... Noise sensitivity (from 0 to 4) (default 0)