PERCENT/{stream, substream}, location1 percentage,location2 percentage {,location3 percentage...}
example:
if there are buffer A and buffer B
change output rule as below:
percent/1 A 80%, B 20%
% y8 e6 m( [0 R$ c; Mexample: % A8 n; @ N. p) m1 N a
if there are buffer A and buffer B 0 ~3 r' h& F- f! U2 i5 b; _! ~7 P6 `
change output rule as below:1 W. ?2 |+ E4 q |- w2 u
percent/1 A 80%, B 20%