source added to the path is connected to the second pixel input of
the internal node, etc. The pixel output of the internal node is
connected to the first drain node on the path. If the internal node
is capable of multicast, then all drain nodes are connected to the
internal node.
EEEEVVVVEEEENNNNTTTTSSSS
When a connection is set by vvvvllllSSSSeeeettttCCCCoooonnnnnnnneeeeccccttttiiiioooonnnn,,,, or implicitly by a default
routing algorithm in vvvvllllBBBBeeeeggggiiiinnnnTTTTrrrraaaannnnssssffffeeeerrrr,,,, a VVVVLLLLSSSSttttrrrreeeeaaaammmmCCCChhhhaaaannnnggggeeeedddd event is sent to
all paths of an affected target (node, port). This includes paths using
the new (node, port) specified in vvvvllllSSSSeeeettttCCCCoooonnnnnnnneeeeccccttttiiiioooonnnn,,,, as well as the prior
(node, port) targets if their connection to the source was broken (i.e.
if the source is not capable of multicast)
RRRREEEETTTTUUUURRRRNNNN VVVVAAAALLLLUUUUEEEE
If successful, this functions returns zero. A value of -1 indicates an
error, and vlErrno is set to one of the following:
VVVVLLLLBBBBaaaaddddSSSSeeeerrrrvvvveeeerrrr The server parameter is not valid.
VVVVLLLLBBBBaaaaddddPPPPaaaatttthhhh The path is not valid.
VVVVLLLLBBBBaaaaddddNNNNooooddddeeee The source or target node is not a valid node on
the path.
VVVVLLLLBBBBaaaaddddAAAAcccccccceeeessssssss The path has not been setup, or control usage on
the path is is VL_READ_ONLY.
VVVVLLLLBBBBaaaaddddAAAAlllllllloooocccc A memory allocation attempt failed.
VVVVLLLLNNNNooooRRRRoooouuuutttteeee The connection could not be routed because
connectors or other required hardware resources are
in use by other paths that cannot be preempted.
VVVVLLLLPPPPaaaatttthhhhIIIInnnnUUUUsssseeee The connection could not be routed because another
path has the connection locked.
VVVVLLLLNNNNoooottttSSSSuuuuppppppppoooorrrrtttteeeedddd vvvvllllSSSSeeeettttCCCCoooonnnnnnnneeeeccccttttiiiioooonnnn is not supported on the device.
VVVVLLLLBBBBaaaaddddIIIImmmmpppplllleeeemmmmeeeennnnttttaaaattttiiiioooonnnn An internal processing error has occurred.