SB_CD_SWAP
case SB_CD_SWAP:
swap = mute - SB_CD_IN_MUTE + SB_CD_SWAP;
mute = swap + SB_CD_IN_MUTE - SB_CD_SWAP;
case SB_CD_SWAP:
dip->next = SB_CD_SWAP;
case SB_CD_SWAP:
dip->prev = SB_CD_SWAP;
case SB_CD_SWAP:
#define SB_IS_IN_MUTE(x) ((x) < SB_CD_SWAP)