vlIsStreamUsed man page on IRIX

vlIsStreamUsed man page on IRIX

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VLISSTREAMUSED(3dm)					   VLISSTREAMUSED(3dm)

NAME
     vlIsStreamUsed - determine if VL stream is used

SYNOPSIS
     #include <dmedia/vl.h>

     int vlIsStreamUsed(VLServer svr, VLPath path);

PARAMETERS
     svr	Specifies server.

     path	Specifies path.

DESCRIPTION
     vlIsStreamUsed can be used by polite applications that don't want to
     preempt another application's use of the video stream.  For example, a
     video control panel application might want to have a small video window
     on the panel that is displayed when the video stream isn't in use by
     another application.  When the panel application starts up, this is the
     only way to find out if it should start video in the window.

RETURN VALUE
     If the stream is used, this function returns 1.  If the stream is unused,
     this function returns 0.  A value of -1 indicates an error.

SEE ALSO
     vlCreatePath(3dm), vlSetupPaths(3dm)

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