*/
int avfilter_process_command(AVFilterContext *filter, const char *cmd, const char *arg, char *res, int res_len, int flags);
+/**
+ * Iterate over all registered filters.
+ *
+ * @param opaque a pointer where libavfilter will store the iteration state. Must
+ * point to NULL to start the iteration.
+ *
+ * @return the next registered filter or NULL when the iteration is
+ * finished
+ */
+const AVFilter *av_filter_iterate(void **opaque);
+
+#if FF_API_NEXT
/** Initialize the filter system. Register all builtin filters. */
+attribute_deprecated
void avfilter_register_all(void);
/**
* @return 0 if the registration was successful, a negative value
* otherwise
*/
+attribute_deprecated
int avfilter_register(AVFilter *filter);
+/**
+ * Iterate over all registered filters.
+ * @return If prev is non-NULL, next registered filter after prev or NULL if
+ * prev is the last filter. If prev is NULL, return the first registered filter.
+ */
+attribute_deprecated
+const AVFilter *avfilter_next(const AVFilter *prev);
+#endif
+
/**
* Get a filter definition matching the given name.
*
*/
const AVFilter *avfilter_get_by_name(const char *name);
-/**
- * Iterate over all registered filters.
- * @return If prev is non-NULL, next registered filter after prev or NULL if
- * prev is the last filter. If prev is NULL, return the first registered filter.
- */
-const AVFilter *avfilter_next(const AVFilter *prev);
/**
* Initialize a filter with the supplied parameters.