lavfi: change the filter registering system to match the other libraries

Removes an arbitrary hardcoded limit on the number of filters.

Anton Khirnov committed 13 years ago

Commit fa2a34c1 parent 7e8fe4b7 files · +48 −29Browse files

Showing the changes to libavfilter/avfilter.h (1 of 7 files). Show all

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     int (*query_formats)(AVFilterContext *);
     int priv_size;      ///< size of private data to allocate for the filter
+    struct AVFilter *next;
 } AVFilter;
 /** An instance of a filter */
 /** Initialize the filter system. Register all builtin filters. */
 void avfilter_register_all(void);
+#if FF_API_OLD_FILTER_REGISTER
 /** Uninitialize the filter system. Unregister all filters. */
+attribute_deprecated
 void avfilter_uninit(void);
+#endif
 /**
  * Register a filter. This is only needed if you plan to use
  */
 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);
+#if FF_API_OLD_FILTER_REGISTER
 /**
  * If filter is NULL, returns a pointer to the first registered filter pointer,
  * if filter is non-NULL, returns the next pointer after filter.
  * If the returned pointer points to NULL, the last registered filter
  * was already reached.
+ * @deprecated use avfilter_next()
  */
+attribute_deprecated
 AVFilter **av_filter_next(AVFilter **filter);
+#endif
 #if FF_API_AVFILTER_OPEN
 /**

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