<!-- ##### SECTION Title ##### --> GstData <!-- ##### SECTION Short_Description ##### --> Common structure for GstBuffer and GstEvent <!-- ##### SECTION Long_Description ##### --> <para> This structure provides a common base for #GstBuffer and #GstEvent. It is the main data type that is passed along in a pipeline. </para> <!-- ##### SECTION See_Also ##### --> <para> #GstBuffer, #GstEvent </para> <!-- ##### STRUCT GstData ##### --> <para> The base structure </para> @type: The type of this data.