vf_lut: make config_props work properly when called multiple times.
authorAnton Khirnov <anton@khirnov.net>
Mon, 18 Mar 2013 20:31:54 +0000 (21:31 +0100)
committerAnton Khirnov <anton@khirnov.net>
Fri, 17 May 2013 05:42:28 +0000 (07:42 +0200)
Do not leak the expressions.

libavfilter/vf_lut.c

index 263bd53..348ef32 100644 (file)
@@ -245,6 +245,8 @@ static int config_props(AVFilterLink *inlink)
         double res;
 
         /* create the parsed expression */
+        av_expr_free(s->comp_expr[comp]);
+        s->comp_expr[comp] = NULL;
         ret = av_expr_parse(&s->comp_expr[comp], s->comp_expr_str[comp],
                             var_names, funcs1_names, funcs1, NULL, NULL, 0, ctx);
         if (ret < 0) {