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The different tag merging modes are basically replace, overwrite and append, already in the element and (B) the ones that are supplied to the element ( e.g. via gst_tag_setter_merge_tags() / gst_tag_setter_add_tags() or a %GST_EVENT_TAG), how are these tags merged? In the table below this is shown for the cases that a tag exists in the list (A) or does not exists (!A) and combinations thereof.

merge mode merge mode A + B A + !B !A + B !A + !B REPLACE_ALL B - B - REPLACE B A B - APPEND A, B A B - PREPEND B, A A B - KEEP A A B - KEEP_ALL A A - -

Index

Enumeration Members

APPEND: number
COUNT: number
KEEP: number
KEEP_ALL: number
PREPEND: number
REPLACE: number
REPLACE_ALL: number
UNDEFINED: number

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