コード例 #1
0
tResult Test::getF32Value(IMediaSample *mediaSample, cObjectPtr<IMediaTypeDescription> &mediaType, tFloat32 &value)
{
	static tFloat32 tmpValue;
	static tTimeStamp timeStamp;

	cObjectPtr<IMediaCoder> coder;
	RETURN_IF_FAILED_AND_LOG_ERROR_STR(mediaType->Lock(mediaSample, &coder), "Get32 Failed to lock f32");
            
	coder->Get("f32Value", (tVoid*) &tmpValue);
	coder->Get("ui32ArduinoTimestamp", (tVoid*) &timeStamp);
	value = tmpValue;

	RETURN_IF_FAILED_AND_LOG_ERROR_STR(mediaType->Unlock(coder), "Get32 Failed to unlock f32");

	RETURN_NOERROR;
}
コード例 #2
0
tResult Test::getManeuver(IMediaSample *mediaSample, cInputPin &pin, cObjectPtr<IMediaTypeDescription> &mediaType, tUInt16 &value)
{
	static tUInt16 tmpValue;
	static tUInt32 timeStamp;

	cObjectPtr<IMediaCoder> coder;
	RETURN_IF_FAILED_AND_LOG_ERROR_STR(mediaType->Lock(mediaSample, &coder), "Get UI16 failed to unlock");
	
	coder->Get("ui16Angle", (tVoid*) &tmpValue);
	coder->Get("ui32ArduinoTimestamp", (tVoid*) &timeStamp);
	value = tmpValue;

	RETURN_IF_FAILED_AND_LOG_ERROR_STR(mediaType->Unlock(coder), "Get UI16 failed to unlock");

	RETURN_NOERROR;
}
コード例 #3
0
tResult Test::transmitF32Value(cOutputPin &pin, cObjectPtr<IMediaTypeDescription> &mediaType, const tFloat32 value)
{
	cObjectPtr<IMediaSample> mediaSample;
    RETURN_IF_FAILED(AllocMediaSample((tVoid**) &mediaSample));
	RETURN_IF_FAILED(mediaSample->AllocBuffer(this->ddlSizeUI16));
       
    // write date to the media sample with the coder of the descriptor
    cObjectPtr<IMediaCoder> coder;
	RETURN_IF_FAILED_AND_LOG_ERROR_STR(mediaType->WriteLock(mediaSample, &coder), "Set F32 Failed to lock f32");	
		
	static tTimeStamp now;
	now = _clock ? _clock->GetStreamTime() : cHighResTimer::GetTime();

	coder->Set("f32Value", (tVoid*) &value);
    coder->Set("ui32ArduinoTimestamp", (tVoid*) &now);
	
	RETURN_IF_FAILED_AND_LOG_ERROR_STR(mediaType->Unlock(coder), "Set F32 Failed to lock f32");
    
    // transmit media sample over output pin
    RETURN_IF_FAILED(mediaSample->SetTime(now));
    RETURN_IF_FAILED(pin.Transmit(mediaSample));
	RETURN_NOERROR;
}