From c17808cebd2b9cf734dfa7f652ed49a3b3289386 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Fri, 22 Jun 2012 14:33:09 +0200
Subject: lavfi: define macro AVFILTER_DEFINE_CLASS

The macro can be used to define consistently the internal class of a
filter, save some typing and factorize.
---
 libavfilter/internal.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'libavfilter/internal.h')

diff --git a/libavfilter/internal.h b/libavfilter/internal.h
index 7e5cc1ac5e..9a95da10f1 100644
--- a/libavfilter/internal.h
+++ b/libavfilter/internal.h
@@ -326,4 +326,13 @@ int ff_poll_frame(AVFilterLink *link);
  */
 int ff_request_frame(AVFilterLink *link);
 
+#define AVFILTER_DEFINE_CLASS(fname)            \
+    static const AVClass fname##_class = {      \
+        .class_name = #fname,                   \
+        .item_name  = av_default_item_name,     \
+        .option     = fname##_options,          \
+        .version    = LIBAVUTIL_VERSION_INT,    \
+        .category   = AV_CLASS_CATEGORY_FILTER, \
+    }
+
 #endif /* AVFILTER_INTERNAL_H */
-- 
cgit v1.2.3