C++ (Cpp) cObjectPtr::GetMediaDescription Examples

Example #1

File: lpf.cpp Project: venkat1802/AADC_LeTHItDrive

}

tResult LPFFilter::Init(tInitStage eStage, __exception)
{
	// never miss calling the parent implementation!!
	RETURN_IF_FAILED(cFilter::Init(eStage, __exception_ptr))

	// in StageFirst you can create and register your static pins.
	if (eStage == StageFirst)
	{
		// create and register the input pin
		cObjectPtr<IMediaDescriptionManager> pDescManager;
		RETURN_IF_FAILED(_runtime->GetObject(OID_ADTF_MEDIA_DESCRIPTION_MANAGER, IID_ADTF_MEDIA_DESCRIPTION_MANAGER, (tVoid**)&pDescManager, __exception_ptr));

		// phase 1
		tChar const * strDescSignalValueInput = pDescManager->GetMediaDescription("tSignalValue");
		RETURN_IF_POINTER_NULL(strDescSignalValueInput);
		cObjectPtr<IMediaType> pTypeSignalValueInput = new cMediaType(0, 0, 0, "tSignalValue", strDescSignalValueInput, IMediaDescription::MDF_DDL_DEFAULT_VERSION);
		RETURN_IF_FAILED(pTypeSignalValueInput->GetInterface(IID_ADTF_MEDIA_TYPE_DESCRIPTION, (tVoid**)&m_pCoderDescSignalInput));

		// phase 2
		RETURN_IF_FAILED(m_oInputMeas.Create("input_sample", pTypeSignalValueInput, static_cast<IPinEventSink*> (this)));
		RETURN_IF_FAILED(RegisterPin(&m_oInputMeas));

		// create and register the output pin
		// phase 1
		tChar const * strDescSignalValueOutput = pDescManager->GetMediaDescription("tSignalValue");
		RETURN_IF_POINTER_NULL(strDescSignalValueOutput);
		cObjectPtr<IMediaType> pTypeSignalValueOutput = new cMediaType(0, 0, 0, "tSignalValue", strDescSignalValueOutput, IMediaDescription::MDF_DDL_DEFAULT_VERSION);
		RETURN_IF_FAILED(pTypeSignalValueOutput->GetInterface(IID_ADTF_MEDIA_TYPE_DESCRIPTION, (tVoid**)&m_pCoderDescSignalOutput));
		// phase 2

Example #2

File: RPMFilter.cpp Project: KAtana-Karlsruhe/AADC_2015_KAtana

}

RPMCalculation::~RPMCalculation()
{
}

tResult RPMCalculation::Init(tInitStage eStage, __exception)
{
    RETURN_IF_FAILED(cFilter::Init(eStage, __exception_ptr))

    if (eStage == StageFirst)
        {
            cObjectPtr<IMediaDescriptionManager> pDescManager;
            RETURN_IF_FAILED(_runtime->GetObject(OID_ADTF_MEDIA_DESCRIPTION_MANAGER,IID_ADTF_MEDIA_DESCRIPTION_MANAGER,(tVoid**)&pDescManager,__exception_ptr));

            tChar const * strDescSignalValue = pDescManager->GetMediaDescription("tSignalValue");
            RETURN_IF_POINTER_NULL(strDescSignalValue);        
            cObjectPtr<IMediaType> pTypeSignalValue = new cMediaType(0, 0, 0, "tSignalValue", strDescSignalValue,IMediaDescription::MDF_DDL_DEFAULT_VERSION);    
            RETURN_IF_FAILED(pTypeSignalValue->GetInterface(IID_ADTF_MEDIA_TYPE_DESCRIPTION, (tVoid**)&m_pCoderDescSignal)); 
    
            
            RETURN_IF_FAILED(m_oInputWheelCounterLeft.Create("wheel_speed_sensor_left", pTypeSignalValue, static_cast<IPinEventSink*> (this)));
            RETURN_IF_FAILED(RegisterPin(&m_oInputWheelCounterLeft));
            RETURN_IF_FAILED(m_oInputWheelCounterRight.Create("wheel_speed_sensor_right", pTypeSignalValue, static_cast<IPinEventSink*> (this)));
            RETURN_IF_FAILED(RegisterPin(&m_oInputWheelCounterRight));

            RETURN_IF_FAILED(m_oOutputRPMLeft.Create("RPM_left_Wheel", pTypeSignalValue, static_cast<IPinEventSink*> (this)));
            RETURN_IF_FAILED(RegisterPin(&m_oOutputRPMLeft));
            RETURN_IF_FAILED(m_oOutputRPMRight.Create("RPM_right_Wheel", pTypeSignalValue, static_cast<IPinEventSink*> (this)));
            RETURN_IF_FAILED(RegisterPin(&m_oOutputRPMRight));