pcm.upmix { @args [ SLAVE CHANNELS DELAY ] @args.SLAVE { type string default "plug:hw" } @args.CHANNELS { type integer default 6 } @args.DELAY { type integer default 0 } type upmix channels $CHANNELS delay $DELAY slave.pcm $SLAVE hint { show { @func refer name defaults.namehint.basic } description "Plugin for channel upmix (4,6,8)" } }