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.