/// <summary>
/// Facility to create a connection between two port objects
/// </summary>
/// <param name="output">The output port of the connection</param>
/// <param name="input">The input port of the connection</param>
/// <returns></returns>
internal static MMALConnectionImpl CreateConnection(MMALPortBase output, MMALPortBase input, MMALDownstreamComponent inputComponent)
{
IntPtr ptr = IntPtr.Zero;
MMALCheck(MMALConnection.mmal_connection_create(&ptr, output.Ptr, input.Ptr, MMALConnection.MMAL_CONNECTION_FLAG_TUNNELLING | MMALConnection.MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT), "Unable to create connection");
return(new MMALConnectionImpl((MMAL_CONNECTION_T *)ptr, output, input, inputComponent, output.ComponentReference));
}
/// <summary>
/// Facility to create a connection between two port objects.
/// </summary>
/// <param name="output">The output port of the connection.</param>
/// <param name="input">The input port of the connection.</param>
/// <param name="inputComponent">The managed instance of the component we are connecting to.</param>
/// <param name="useCallback">When set to true, enable the connection callback delegate (adversely affects performance).</param>
/// <returns>A new managed connection object.</returns>
internal static MMALConnectionImpl CreateConnection(IOutputPort output, IInputPort input, IDownstreamComponent inputComponent, bool useCallback)
{
IntPtr ptr = IntPtr.Zero;
if (useCallback)
{
MMALCheck(MMALConnection.mmal_connection_create(&ptr, output.Ptr, input.Ptr, MMALConnection.MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT), "Unable to create connection");
}
else
{
MMALCheck(MMALConnection.mmal_connection_create(&ptr, output.Ptr, input.Ptr, MMALConnection.MMAL_CONNECTION_FLAG_TUNNELLING | MMALConnection.MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT), "Unable to create connection");
}
return(new MMALConnectionImpl((MMAL_CONNECTION_T *)ptr, output, input, inputComponent, output.ComponentReference, useCallback));
}
