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NF:ks.KsPinAttachOrGate |
KsPinAttachOrGate function (ks.h) |
The KsPinAttachOrGate function connects Pin as an input to a previously initialized OR gate, and connects OrGate as an input to the relevant filter's AND gate. |
stream\kspinattachorgate.htm |
stream |
04/23/2018 |
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KsPinAttachOrGate, KsPinAttachOrGate function [Streaming Media Devices], avfunc_bcc291d4-ee61-4196-88df-b7aef567a06b.xml, ks/KsPinAttachOrGate, stream.kspinattachorgate |
ks.h |
Ks.h |
Universal |
Available in Microsoft Windows XP and later operating systems and DirectX 8.0 and later DirectX versions. |
Ks.lib |
PASSIVE_LEVEL (See Remarks section) |
Windows |
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The KsPinAttachOrGate function connects Pin as an input to a previously initialized OR gate, and connects OrGate as an input to the relevant filter's AND gate.
A pointer to the KSPIN structure to use an input to the OR gate.
A pointer to a KSGATE structure that is the previously initialized OR gate to connect to the relevant filter's AND gate. If this optional parameter is NULL, any KSGATE currently attached to the pin is detached.
To insert the gate, first call KsGateInitializeOr. Then call KsPinAttachOrGate. For more information, see Flow Control Gates in AVStream.
Do not leave an unattached OR gate at filter creation time. Instead, create the OR gate later, for example when the minidriver instantiates the pin.
KsPinAttachOrGate must be called at IRQL = PASSIVE_LEVEL before the pin in question leaves KSSTATE_STOP.