URLContext: switch to child_class_iterate()

1 files changed, 16 insertions, 0 deletions

diff --git a/libavformat/protocols.c b/libavformat/protocols.c
index f1b8eab0fd..7df18fbb3b 100644
--- a/libavformat/protocols.c
+++ b/libavformat/protocols.c
@@ -73,6 +73,7 @@ extern const URLProtocol ff_libzmq_protocol;
 
 #include "libavformat/protocol_list.c"
 
+#if FF_API_CHILD_CLASS_NEXT
 const AVClass *ff_urlcontext_child_class_next(const AVClass *prev)
 {
     int i;
@@ -91,7 +92,22 @@ const AVClass *ff_urlcontext_child_class_next(const AVClass *prev)
             return url_protocols[i]->priv_data_class;
     return NULL;
 }
+#endif
 
+const AVClass *ff_urlcontext_child_class_iterate(void **iter)
+{
+    const AVClass *ret = NULL;
+    uintptr_t i;
+
+    for (i = (uintptr_t)*iter; url_protocols[i]; i++) {
+        ret = url_protocols[i]->priv_data_class;
+        if (ret)
+            break;
+    }
+
+    *iter = (void*)(uintptr_t)(url_protocols[i] ? i + 1 : i);
+    return ret;
+}
 
 const char *avio_enum_protocols(void **opaque, int output)
 {