tests/ref/fate/filter-pan-downmix2

#tb 0: 1/44100
#media_type 0: audio
#codec_id 0: pcm_s16le
#sample_rate 0: 44100
#channel_layout_name 0: 5 channels
0,          0,          0,      186,     1860, 0x2480a20e
0,        186,        186,      186,     1860, 0xde9e9c40
0,        372,        372,      186,     1860, 0xc497b2a0
0,        558,        558,      186,     1860, 0xe5a8a2d7
0,        744,        744,      186,     1860, 0x01c09b6a
0,        930,        930,      186,     1860, 0xb26fae2f
0,       1116,       1116,      186,     1860, 0x1292a9ab
0,       1302,       1302,      186,     1860, 0xe7a79136
0,       1488,       1488,      186,     1860, 0x57dc81a3
0,       1674,       1674,      186,     1860, 0xc13b9a1b
0,       1860,       1860,      186,     1860, 0xdf7c9fd6
0,       2046,       2046,      186,     1860, 0x4d769cff
0,       2232,       2232,      186,     1860, 0xb8b79977
0,       2418,       2418,      186,     1860, 0xd287989f
0,       2604,       2604,      186,     1860, 0xc2a38f03
0,       2790,       2790,      186,     1860, 0xd7149438
0,       2976,       2976,      186,     1860, 0xc3719081
0,       3162,       3162,      186,     1860, 0xb9fba1a3
0,       3348,       3348,      186,     1860, 0xe92cb2de
0,       3534,       3534,      186,     1860, 0x9dd9b272