tests/ref/fate/fitsenc-gray

#tb 0: 1/1
#media_type 0: video
#codec_id 0: fits
#dimensions 0: 72x36
#sar 0: 0/1
0,          0,          0,        1,     2880, 0xd2d83752
0,          1,          1,        1,     2880, 0x496b6e6a
0,          2,          2,        1,     2880, 0xdf480c1f
0,          3,          3,        1,     2880, 0x559247a9
0,          4,          4,        1,     2880, 0xc3df2cc4