$ ffmpeg -probesize 100000000 -i /s/Temp/Testencodes/KOC_TaiChiHero/KOC_TaiChiHero_Feature_hd23p_02Mbps_x264.264 -probesize 100000000 -i /s/Temp/Testencodes/KOC_TaiChiHero/KOC_TaiChiHero_Feature_hd23p_30Mbps_x264.264 -lavfi 'libvmaf=model_path=model/nflxall_vmafv4.pkl:pool=harmonic' -f null -
ffmpeg version N-89933-g782e066e3e Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 7.3.0 (Rev1, Built by MSYS2 project)
  configuration:  --disable-network --disable-libbluray --disable-ffplay --disable-ffprobe --disable-doc --disable-htmlpages --disable-txtpages --disable-podpages --disable-manpages --disable-dxva2 --enable-gpl --enable-version
3 --enable-nonfree --enable-cuda --enable-cuvid --enable-nvenc --enable-iconv --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libtesseract --enable-fontconfig --enable-openssl --enable-libass --enable-libopenjpeg
 --enable-librubberband --enable-opencl --enable-opengl --enable-libvmaf --extra-cflags=-fopenmp --extra-libs=-lgomp --enable-libfdk-aac --disable-w32threads --disable-debug
  libavutil      56.  7.100 / 56.  7.100
  libavcodec     58.  9.100 / 58.  9.100
  libavformat    58.  7.100 / 58.  7.100
  libavdevice    58.  0.101 / 58.  0.101
  libavfilter     7. 11.101 /  7. 11.101
  libswscale      5.  0.101 /  5.  0.101
  libswresample   3.  0.101 /  3.  0.101
  libpostproc    55.  0.100 / 55.  0.100
Input #0, h264, from 'S:/Temp/Testencodes/KOC_TaiChiHero/KOC_TaiChiHero_Feature_hd23p_02Mbps_x264.264':
  Duration: N/A, bitrate: N/A
    Stream #0:0: Video: h264 (High), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1200k tbn, 47.95 tbc
Input #1, h264, from 'S:/Temp/Testencodes/KOC_TaiChiHero/KOC_TaiChiHero_Feature_hd23p_30Mbps_x264.264':
  Duration: N/A, bitrate: N/A
    Stream #1:0: Video: h264 (High), yuv420p(progressive), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1200k tbn, 47.95 tbc
Stream mapping:
  Stream #0:0 (h264) -> libvmaf:main
  Stream #1:0 (h264) -> libvmaf:reference
  libvmaf -> Stream #0:0 (wrapped_avframe)
Press [q] to stop, [?] for help
Start calculating VMAF score...
COutput #0, null, to 'pipe:':au
g  Metadata:
h    encoder         : tLavf58.7.100
l    Stream #0:o0g: Video: wrapped_avframe, yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/isc, _23.98 fps,e r23.98 tbn,r o23.98 tbrc: (default)
U    Metadata:
n      encoder         : kLavc58.9.100 wrapped_avframen
own type: in routine:copy constructor
[Parsed_libvmaf_0 @ 00000000028635c0] libvmaf encountered an error, check log for details
Error while filtering: Invalid argument
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #1:0
Conversion failed!