lavu/opt: check if class is NULL too

Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago · f98dbc7311
parent 39dc1bc90f
commit f98dbc7311
1 changed files with 1 additions and 1 deletions
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@ -63,7 +63,7 @@ const AVOption *av_next_option(void *obj, const AVOption *last)
 const AVOption *av_opt_next(void *obj, const AVOption *last)
 {
    AVClass *class = *(AVClass**)obj;
-    if (!last && class->option && class->option[0].name)
+    if (!last && class && class->option && class->option[0].name)
        return class->option;
    if (last && last[1].name)
        return ++last;