avfilter: Remove avfilter_next/avfilter_register API

Deprecated in 8f1382f80e.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

libavfilter/allfilters.c

@@ -557,41 +557,3 @@ const AVFilter *avfilter_get_by_name(const char *name)
 
     return NULL;
 }
-
-
-#if FF_API_NEXT
-FF_DISABLE_DEPRECATION_WARNINGS
-static AVOnce av_filter_next_init = AV_ONCE_INIT;
-
-static void av_filter_init_next(void)
-{
-    AVFilter *prev = NULL, *p;
-    void *i = 0;
-    while ((p = (AVFilter*)av_filter_iterate(&i))) {
-        if (prev)
-            prev->next = p;
-        prev = p;
-    }
-}
-
-void avfilter_register_all(void)
-{
-    ff_thread_once(&av_filter_next_init, av_filter_init_next);
-}
-
-int avfilter_register(AVFilter *filter)
-{
-    ff_thread_once(&av_filter_next_init, av_filter_init_next);
-
-    return 0;
-}
-
-const AVFilter *avfilter_next(const AVFilter *prev)
-{
-    ff_thread_once(&av_filter_next_init, av_filter_init_next);
-
-    return prev ? prev->next : filter_list[0];
-}
-
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif

libavfilter/avfilter.h

@@ -286,14 +286,6 @@ typedef struct AVFilter {
 
     int flags_internal; ///< Additional flags for avfilter internal use only.
 
-#if FF_API_NEXT
-    /**
-     * Used by the filter registration system. Must not be touched by any other
-     * code.
-     */
-    struct AVFilter *next;
-#endif
-
     /**
      * Make the filter instance process a command.
      *
@@ -710,33 +702,6 @@ int avfilter_process_command(AVFilterContext *filter, const char *cmd, const cha
  */
 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);
-
-/**
- * Register a filter. This is only needed if you plan to use
- * avfilter_get_by_name later to lookup the AVFilter structure by name. A
- * filter can still by instantiated with avfilter_graph_alloc_filter even if it
- * is not registered.
- *
- * @param filter the filter to register
- * @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.
  *

libavfilter/version.h

@@ -53,9 +53,6 @@
 #ifndef FF_API_SWS_PARAM_OPTION
 #define FF_API_SWS_PARAM_OPTION             (LIBAVFILTER_VERSION_MAJOR < 8)
 #endif
-#ifndef FF_API_NEXT
-#define FF_API_NEXT                         (LIBAVFILTER_VERSION_MAJOR < 8)
-#endif
 #ifndef FF_API_FILTER_LINK_SET_CLOSED
 #define FF_API_FILTER_LINK_SET_CLOSED       (LIBAVFILTER_VERSION_MAJOR < 8)
 #endif