How to generate error message when there is an internal read error in one of the object in a pipeline

[tanmay.ambre]

Found the answer.

I need to generate a 

GST_ELEMENT_ERROR messege

which stops the pipeline gracefully.
This is part of my fix.

	if (hRes != DS_OK)
	{
		GST_ERROR("Error Called Called")	;
		GST_ELEMENT_ERROR (dsoundsrc, RESOURCE, READ,
        ("Device Error hRes = %i", hRes), (NULL));
		GST_DSOUND_UNLOCK (dsoundsrc);
		return -1;
	}

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