DELAY             125 libavfilter/af_adelay.c DELAY(s16, int16_t, 0)
DELAY             126 libavfilter/af_adelay.c DELAY(s32, int32_t, 0)
DELAY             127 libavfilter/af_adelay.c DELAY(flt, float,   0)
DELAY             128 libavfilter/af_adelay.c DELAY(dbl, double,  0)