protected virtual int NativeConnectionCallback(MmalConnectionType *connection)
{
var queue = new MmalQueueImpl(connection->Queue);
var bufferImpl = queue.GetBuffer();
if (bufferImpl.CheckState())
{
if (bufferImpl.Length > 0)
{
CallbackHandler.InputCallback(bufferImpl);
}
InputPort.SendBuffer(bufferImpl);
return((int)connection->Flags);
}
queue = new MmalQueueImpl(connection->Pool->Queue);
bufferImpl = queue.GetBuffer();
if (!bufferImpl.CheckState())
{
MmalLog.Logger.LogInformation("Buffer could not be obtained by connection callback");
return((int)connection->Flags);
}
if (bufferImpl.Length > 0)
{
CallbackHandler.OutputCallback(bufferImpl);
}
OutputPort.SendBuffer(bufferImpl);
return((int)connection->Flags);
}
MmalConnectionImpl(MmalConnectionType *ptr, IOutputPort output, IInputPort input, IDownstreamComponent inputComponent, IComponent outputComponent, bool useCallback)
{
Ptr = ptr;
OutputPort = output;
InputPort = input;
DownstreamComponent = inputComponent;
UpstreamComponent = outputComponent;
if (useCallback)
{
CallbackHandler = new DefaultConnectionCallbackHandler(this);
ConfigureConnectionCallback(output, input);
}
Enable();
if (useCallback)
{
OutputPort.SendAllBuffers(ConnectionPool);
}
}
public static extern unsafe MmalStatusEnum Disable(MmalConnectionType *connection);
public static extern unsafe MmalStatusEnum Destroy(MmalConnectionType *connection);
