adpcm_ct_expand_nibble 1690 libavcodec/adpcm.c             *samples++ = adpcm_ct_expand_nibble(&c->status[0 ], v >> 4  );
adpcm_ct_expand_nibble 1691 libavcodec/adpcm.c             *samples++ = adpcm_ct_expand_nibble(&c->status[st], v & 0x0F);