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lavfi: do not segfault on NULL passed to avfilter_get_by_name()

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Anton Khirnov
2013-04-07 07:33:24 +02:00
parent fa2a34cd40
commit f160c6a18a
1 changed files with 3 additions and 0 deletions
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3
libavfilter/avfilter.c
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@@ -273,6 +273,9 @@ AVFilter *avfilter_get_by_name(const char *name)
{ {
AVFilter *f = NULL; AVFilter *f = NULL;
if (!name)
return NULL;
while ((f = avfilter_next(f))) while ((f = avfilter_next(f)))
if (!strcmp(f->name, name)) if (!strcmp(f->name, name))
return f; return f;