PHASER            198 libavfilter/af_aphaser.c PHASER(dbl, double)
PHASER            199 libavfilter/af_aphaser.c PHASER(flt, float)
PHASER            200 libavfilter/af_aphaser.c PHASER(s16, int16_t)
PHASER            201 libavfilter/af_aphaser.c PHASER(s32, int32_t)