virtual public void Close()
{
if (_component != null)
{
//# ensure we free any pools associated with input/output ports
foreach (var output in Outputs)
{
output.Disable();
}
foreach (var input in Inputs)
{
input.Disable();
}
MMal.MMAL_STATUS_T status = MMal.mmal_component_destroy(_component);
if (status != MMal.MMAL_STATUS_T.MMAL_SUCCESS)
{
throw new Exception(String.Format("Unable to destroy component {0}, status {1}. Is it enabled ?", ComponentType, status));
}
_component = null;
Inputs = null;
Outputs = null;
Control = null;
}
}
public MMalBaseComponent()
{
// mmal_check(
// mmal.mmal_component_create(self.component_type, self._component),
// prefix = "Failed to create MMAL component %s" % self.component_type)
//if self._component[0].input_num != len(self.opaque_input_subformats):
// raise PiCameraRuntimeError(
// 'Expected %d inputs but found %d on component %s' % (
// len(self.opaque_input_subformats),
// self._component[0].input_num,
// self.component_type))
// if self._component[0].output_num != len(self.opaque_output_subformats):
// raise PiCameraRuntimeError(
// 'Expected %d outputs but found %d on component %s' % (
// len(self.opaque_output_subformats),
// self._component[0].output_num,
// self.component_type))
MMal.MMAL_STATUS_T status;
MMal.MMAL_COMPONENT_T *component = null;
status = MMal.mmal_component_create(ComponentType, &component);
if (status != MMal.MMAL_STATUS_T.MMAL_SUCCESS)
{
throw new Exception(String.Format("Unable to create component {0}, status {1}. Is it enabled ?", ComponentType, status));
}
_component = component;
#if !_WIN32_
if (_component->input_num != OpaqueInputSubformats.Length)
{
throw new Exception(String.Format("Expected {0} inputs but found {1} on component {2}",
OpaqueInputSubformats.Length,
_component->input_num,
ComponentType));
}
if (_component->output_num != OpaqueOutputSubformats.Length)
{
throw new Exception(String.Format("Expected {0} outputs but found {1} on component {2}",
OpaqueOutputSubformats.Length,
_component->output_num,
ComponentType));
}
#endif
Control = new MMalControlPort(_component->control);
MMal.MMAL_PORT_T **ports = _component->output;
Outputs = CreatePorts(ports, _component->output_num, OpaqueOutputSubformats);
ports = _component->input;
Inputs = CreatePorts(ports, _component->input_num, OpaqueInputSubformats);
//port_class = {
// mmal.MMAL_ES_TYPE_UNKNOWN: MMALPort,
// mmal.MMAL_ES_TYPE_CONTROL: MMALControlPort,
// mmal.MMAL_ES_TYPE_VIDEO: MMALVideoPort,
// mmal.MMAL_ES_TYPE_AUDIO: MMALAudioPort,
// mmal.MMAL_ES_TYPE_SUBPICTURE: MMALSubPicturePort,
// }
//self._inputs = tuple(
// port_class[self._component[0].input[n][0].format[0].type](
// self._component[0].input[n], opaque_subformat)
//for n, opaque_subformat in enumerate(self.opaque_input_subformats))
// self._outputs = tuple(
// port_class[self._component[0].output[n][0].format[0].type](
// self._component[0].output[n], opaque_subformat)
//for n, opaque_subformat in enumerate(self.opaque_output_subformats))
//Outputs = new MMalPort[_component->output_num];
//MMal.MMAL_PORT_T** ports = _component->output;
//for (int i = 0; i < _component->output_num; i++)
// Outputs[i] = new MMalPort(ports[i]);
//Inputs = new MMalPort[_component->input_num];
//ports = _component->input;
//for (int i = 0; i < _component->input_num; i++)
// Inputs[i] = new MMalPort(ports[i]);
}
