VLDMGETPARAMS(3dm)					    VLDMGETPARAMS(3dm)

NAME    [Toc]    [Back]

     vlDMGetParams - get DMparams list for video subsystem

SYNOPSIS    [Toc]    [Back]

     #include <dmedia/vl.h>

     int vlDMGetParams(VLServer	svr, VLPath path, VLNode node, DMparams	* params);

DESCRIPTION    [Toc]    [Back]

     vlDMGetParams queries the video subsystem for a list of parameters
     describing	the characteristics of a specified node	and path.  This
     parameter list is required	to create a DMbufferpool which can be used for
     video transfers on	the same path and memory node.	vlDMGetParams should
     be	called after dmBufferSetPoolDefaults(3dm) and before
     dmBufferCreatePool(3dm).

DIAGNOSTICS    [Toc]    [Back]

     vlDMGetParams returns 0 on	success, otherwise -1 is returned and vlErrno
     is	set to indicate	the error.

SEE ALSO    [Toc]    [Back]

     dmBufferSetPoolDefaults(3dm), dmBufferCreatePool(3dm),
     vlDMPoolGetParams(3dm), vlintro(3dm)


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