ffmpeg version N-83199-gb766564 Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 4.9.4 (crosstool-NG crosstool-ng-1.22.0) 20150629 (prerelease)
  configuration: --enable-cross-compile --cross-prefix=/home/knits4/x-tools/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- --arch=armel --target-os=linux --prefix=/home/knits4/escape-room/built-arm-stuff/
  libavutil      55. 44.100 / 55. 44.100
  libavcodec     57. 75.100 / 57. 75.100
  libavformat    57. 63.100 / 57. 63.100
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 69.100 /  6. 69.100
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
[NULL @ 0x179b1b0] Value 0.000000 for parameter 'avioflags' is not a valid set of 32bit integer flags
[NULL @ 0x179b1b0] Value 2097664.000000 for parameter 'fflags' is not a valid set of 32bit integer flags
[NULL @ 0x179b1b0] Value 0.000000 for parameter 'fdebug' is not a valid set of 32bit integer flags
[NULL @ 0x179b1b0] Value 1.000000 for parameter 'f_err_detect' is not a valid set of 32bit integer flags
[NULL @ 0x179b1b0] Value 1.000000 for parameter 'err_detect' is not a valid set of 32bit integer flags
[NULL @ 0x179bd30] Value 0.000000 for parameter 'flags' is not a valid set of 32bit integer flags
Segmentation fault