TagList.copyValue

bool copyValue(out gobject.value.Value dest, gst.tag_list.TagList list, string tag)

Copies the contents for the given tag into the value, merging multiple values into one if multiple values are associated with the tag. You must gobject.value.Value.unset the value after use.

Parameters

`dest`	uninitialized #GValue to copy into
`list`	list to get the tag from
`tag`	tag to read out

Returns

true, if a value was copied, false if the tag didn't exist in the

given list.