adpcm_ms_compress_sample  657 libavcodec/adpcmenc.c                 nibble  = adpcm_ms_compress_sample(&c->status[ 0], *samples++) << 4;
adpcm_ms_compress_sample  658 libavcodec/adpcmenc.c                 nibble |= adpcm_ms_compress_sample(&c->status[st], *samples++);