adpcm_ima_oki_expand_nibble 1350 libavcodec/adpcm.c             *samples++ = adpcm_ima_oki_expand_nibble(&c->status[0],  v >> 4  );
adpcm_ima_oki_expand_nibble 1351 libavcodec/adpcm.c             *samples++ = adpcm_ima_oki_expand_nibble(&c->status[st], v & 0x0F);