API Guide
2-914 API Functions 601355 Rev A
VSCMD_
ModifyMedia
Class
VSCMD_ModifyMediaClass modifies the value of one or
more attributes of a MediaClass group. A MediaClass group
establishes common characteristics for the media it contains.
All MediaClass group attributes must be specified on a Modify
Media Class request, whether the value of an attribute is being
modified or not.
Synopsis
VST_BOOLEAN VSCMD_ModifyMediaClass
(VST_COMMAND_HANDLE handle,
“…”,
VSID_ENDFIELD)
Arguments • handle = The command handle for this Modify Media
Class command.
• “…” = Variable length argument list consisting of pairs of
arguments. Each pair of Arguments consists of a parameter
identifier, followed by the value of the field to use for this
request. The valid parameter identifiers and types for this
function are shown in the following "Parameters"
paragraph.
• VSID_ENDFIELD = Required at the end of the variable
length argument list to indicate the end of the list.
Parameters
Parameter Type Description
VSID_CAPACITY (VST_CAPACITY) The maximum number of media allowed in
this MediaClass group.
