Activates or deactivates the given pad.
Normally called from within core state change functions.
If active, makes sure the pad is active. If it is already active, either in
push or pull mode, just return. Otherwise dispatches to the pad's activate
function to perform the actual activation.
If not active, calls gst_pad_activate_mode() with the pad's current mode
and a FALSE argument.
Activates or deactivates the given pad. Normally called from within core state change functions. If active, makes sure the pad is active. If it is already active, either in push or pull mode, just return. Otherwise dispatches to the pad's activate function to perform the actual activation. If not active, calls gst_pad_activate_mode() with the pad's current mode and a FALSE argument.