typedef struct SHAPE_FLOWGRAPH_FILTVOL_COMMAND {  
    UINT64 command : 5;
    UINT64 queued : 1;
    UINT64 disabled : 1;
    UINT64 error : 1;
    UINT64 reserved0 : 5;
    UINT64 contextId : 12;
    UINT64 inputMixBuffer : 13;
    UINT64 outputMixBuffer : 13;
    UINT64 reserved1 : 13;
} SHAPE_FLOWGRAPH_FILTVOL_COMMAND