@@ -188,12 +188,7 @@ static const AVOption trim_options[] = {

 };

 #undef FLAGS

-static const AVClass trim_class = {

-    .class_name = "trim",

-    .item_name  = av_default_item_name,

-    .option     = trim_options,

-    .version    = LIBAVUTIL_VERSION_INT,

-};

+AVFILTER_DEFINE_CLASS(trim);

 static const AVFilterPad trim_inputs[] = {

     {

@@ -350,12 +345,7 @@ static const AVOption atrim_options[] = {

 };

 #undef FLAGS

-static const AVClass atrim_class = {

-    .class_name = "atrim",

-    .item_name  = av_default_item_name,

-    .option     = atrim_options,

-    .version    = LIBAVUTIL_VERSION_INT,

-};

+AVFILTER_DEFINE_CLASS(atrim);

 static const AVFilterPad atrim_inputs[] = {

     {