AppSink.connectProposeAllocation

gulong connectProposeAllocation(T)(T callback,  Flag!"After" after =  No.After) if (isCallable!T
    &&  is(ReturnType!T ==  bool)
   && (Parameters!T.length <  1 || (ParameterStorageClassTuple!T[0]  ==  ParameterStorageClass.none &&  is(Parameters!T[0]  ==  gst.query.Query)))
   && (Parameters!T.length <  2 || (ParameterStorageClassTuple!T[1]  ==  ParameterStorageClass.none &&  is(Parameters!T[1] :  gstapp.app_sink.AppSink)))
   &&  Parameters!T.length <  3)

Connect to ProposeAllocation signal.

Signal that a new propose_allocation query is available.

This signal is emitted from the streaming thread and only when the "emit-signals" property is true.

Parameters

`callback`	signal callback delegate or function to connect `bool callback(gst.query.Query query, gstapp.app_sink.AppSink appSink)` `query` the allocation query (optional) `appSink` the instance the signal is connected to (optional) `Returns`
`after`	Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID