Constructs a new convert query object. Use gst_query_unref() when done with it. A convert query is used to ask for a conversion between one format and another.
Free-function: gst_query_unref
the source #GstFormat for the new query
the value to convert
the target #GstFormat
Return: a #GstQuery
ConstructionException GTK+ fails to create the object.
See Implementation
Constructs a new convert query object. Use gst_query_unref() when done with it. A convert query is used to ask for a conversion between one format and another.
Free-function: gst_query_unref