BlockPartition   1096 libavcodec/vp9.c     enum BlockPartition bp;
BlockPartition   1265 libavcodec/vp9block.c                          enum BlockLevel bl, enum BlockPartition bp)
BlockPartition     88 libavcodec/vp9dec.h     enum BlockPartition bp;
BlockPartition    244 libavcodec/vp9dec.h                          enum BlockLevel bl, enum BlockPartition bp);