A #GstPlugin, or null for a static typefind function
The name for registering
The rank (or importance) of this typefind function
The #GstTypeFindFunction to use
Optional comma-separated list of extensions that could belong to this type
Optionally the caps that could be returned when typefinding succeeds
true on success, false otherwise
Registers a new typefind function to be used for typefinding. After registering this function will be available for typefinding. This function is typically called during an element's plugin initialization.