AV1_MAX_TILE_AREA  600 libavcodec/cbs_av1_syntax_template.c     max_tile_area_sb  = AV1_MAX_TILE_AREA  >> (2 * sb_size);
AV1_MAX_TILE_AREA  389 libavcodec/libaomenc.c              AV1_MAX_TILE_AREA - 1) / AV1_MAX_TILE_AREA;