Gets the datetime that is at the given index for the given tag in the given list and copies it into the variable pointed to by value. Unref the datetime with gst_date_time_unref() when it is no longer needed. Free-function: gst_date_time_unref
tag to read out
number of entry to read out
location for the result. [out callee-allocates][transfer full]
TRUE, if a value was copied, FALSE if the tag didn't exist in the given list or if it was NULL.
See Implementation
Gets the datetime that is at the given index for the given tag in the given list and copies it into the variable pointed to by value. Unref the datetime with gst_date_time_unref() when it is no longer needed. Free-function: gst_date_time_unref