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 unref when it is no longer needed.
Free-function: gst_date_time_unref
| this |
a TagList to get the tag from |
| tag |
tag to read out |
| index |
number of entry to read out |
| value |
location for the result |
|
|