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
Return: %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