Manual Pages for UNIX Operating System command usage for man audio_engine_qlen

Driver Entry Points                         audio_engine_qlen(9E)



NAME
     audio_engine_qlen - return the depth of  an  audio  engine's
     queue

SYNOPSIS
     #include 

     uint_t prefix_qlen(void *state);


PARAMETERS
     state    pointer to driver supplied soft state


INTERFACE LEVEL
     Solaris DDI specific (Solaris DDI)

DESCRIPTION
     The  audio_engine_qlen()  function  returns  the  depth,  in
     frames,  of  any  on-device  FIFO. It is used to improve the
     latency-related calculations in the framework. For most dev-
     ices  the  value  0  is appropriate, since they DMA directly
     from the buffer into the codec.

RETURN VALUES
     The audio_engine_qlen() function returns the  depth  of  any
     hardware FIFO as a count in frames.

CONTEXT
     This function may be called from user or interrupt context.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|


SEE ALSO
     attributes(5), audio(7D), audio_engine_ops(9S)









SunOS 5.11          Last change: 16 Apr 2010                    1