* by the filters.
*/
AVFilterBufferRef *cur_buf_copy;
+
+ /**
+ * True if the link is closed.
+ * If set, all attemps of start_frame, filter_samples or request_frame
+ * will fail with AVERROR_EOF, and if necessary the reference will be
+ * destroyed.
+ * If request_frame returns AVERROR_EOF, this flag is set on the
+ * corresponding link.
+ * It can be set also be set by either the source or the destination
+ * filter.
+ */
+ int closed;
};
/**
*/
void avfilter_link_free(AVFilterLink **link);
+/**
+ * Set the closed field of a link.
+ */
+void avfilter_link_set_closed(AVFilterLink *link, int closed);
+
/**
* Negotiate the media format, dimensions, etc of all inputs to a filter.
*