X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Favfilter.h;h=9d70e7118beeaac0c23e14a664014ebbccdb2b3f;hb=d05c3b9ceeb9d00d4500c376448230e45f6ab108;hp=62eed2168f001b7105b216946d3268184a8a1b22;hpb=725ae0e2d0222f81b5cca3b0b226116ec6fd0494;p=ffmpeg

diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 62eed2168f0..9d70e7118be 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -406,6 +406,22 @@ struct AVFilterContext {
      * a higher value suggests a more urgent activation.
      */
     unsigned ready;
+
+    /**
+     * Sets the number of extra hardware frames which the filter will
+     * allocate on its output links for use in following filters or by
+     * the caller.
+     *
+     * Some hardware filters require all frames that they will use for
+     * output to be defined in advance before filtering starts.  For such
+     * filters, any hardware frame pools used for output must therefore be
+     * of fixed size.  The extra frames set here are on top of any number
+     * that the filter needs internally in order to operate normally.
+     *
+     * This field must be set before the graph containing this filter is
+     * configured.
+     */
+    int extra_hw_frames;
 };
 
 /**
@@ -681,7 +697,20 @@ int avfilter_config_links(AVFilterContext *filter);
  */
 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);
 
 /**
@@ -694,8 +723,18 @@ 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.
  *
@@ -705,12 +744,6 @@ int avfilter_register(AVFilter *filter);
  */
 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.