tests/ref/fate/filter-spp

#tb 0: 1/25
#media_type 0: video
#codec_id 0: rawvideo
#dimensions 0: 352x288
#sar 0: 1/1
0,          1,          1,        1,   152064, 0xecd18291
0,          2,          2,        1,   152064, 0xea34708a
0,          3,          3,        1,   152064, 0xd73debe7
0,          4,          4,        1,   152064, 0x47f57fbb
0,          5,          5,        1,   152064, 0x508dba95