avfilter/avfilter: Remove avfilter_link_set_closed() on bump

Deprecated in 39a09e995d.

Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

libavfilter/avfilter.c

@@ -232,11 +232,12 @@ void ff_avfilter_link_set_out_status(AVFilterLink *link, int status, int64_t pts
     ff_filter_set_ready(link->src, 200);
 }
 
+#if FF_API_FILTER_LINK_SET_CLOSED
 void avfilter_link_set_closed(AVFilterLink *link, int closed)
 {
     ff_avfilter_link_set_out_status(link, closed ? AVERROR_EOF : 0, AV_NOPTS_VALUE);
 }
-
+#endif
 int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
                            unsigned filt_srcpad_idx, unsigned filt_dstpad_idx)
 {

libavfilter/avfilter.h

@@ -681,7 +681,7 @@ void avfilter_link_free(AVFilterLink **link);
 attribute_deprecated
 int avfilter_link_get_channels(AVFilterLink *link);
 #endif
-
+#if FF_API_FILTER_LINK_SET_CLOSED
 /**
  * Set the closed field of a link.
  * @deprecated applications are not supposed to mess with links, they should
@@ -689,7 +689,7 @@ int avfilter_link_get_channels(AVFilterLink *link);
  */
 attribute_deprecated
 void avfilter_link_set_closed(AVFilterLink *link, int closed);
-
+#endif
 /**
  * Negotiate the media format, dimensions, etc of all inputs to a filter.
  *

libavfilter/version.h

@@ -65,5 +65,8 @@
 #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
 
 #endif /* AVFILTER_VERSION_H */