-y -skip_frame nokey -i /storage/emulated/0/bichooser/1558110578919.mp4 -vsync 0 -f image2 /storage/emulated/0/Android/data/com.torpedoesaway.memematch/files/frame%01d.jpg


05-17 18:29:41.059		12966	12997	I	Unity   	 ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
05-17 18:29:41.059		12966	12997	I	Unity   	   built with gcc 4.8 (GCC)
05-17 18:29:41.067		12966	12997	I	Unity   	   libavutil      55. 17.103 / 55. 17.103
05-17 18:29:41.067		12966	12997	I	Unity   	   libavcodec     57. 24.102 / 57. 24.102
05-17 18:29:41.067		12966	12997	I	Unity   	   libavformat    57. 25.100 / 57. 25.100
05-17 18:29:41.067		12966	12997	I	Unity   	   libavdevice    57.  0.101 / 57.  0.101
05-17 18:29:41.067		12966	12997	I	Unity   	   libavfilter     6. 31.100 /  6. 31.100
05-17 18:29:41.067		12966	12997	I	Unity   	   libswscale      4.  0.100 /  4.  0.100
05-17 18:29:41.067		12966	12997	I	Unity   	   libswresample   2.  0.101 /  2.  0.101
05-17 18:29:41.067		12966	12997	I	Unity   	   libpostproc    54.  0.100 / 54.  0.100
05-17 18:29:41.067		12966	12997	I	Unity   	 Unrecognized option 'skip_frame nokey'.
05-17 18:29:41.067		12966	12997	I	Unity   	 Error splitting the argument list: Option not found