-1 = ff_parse_channel_layout(FFFFFFFFFFFFFFFF, -1, 65c);
0 = ff_parse_channel_layout(0000000000000000, 2, 2C);
0 = ff_parse_channel_layout(0000000000000000, 60, 60C);
-1 = ff_parse_channel_layout(FFFFFFFFFFFFFFFF, -1, 65c);
0 = ff_parse_channel_layout(0000000000000000, 2, 2C);
0 = ff_parse_channel_layout(0000000000000000, 60, 60C);