@@ -4018,11 +4018,13 @@ static int parse_ffconfig(const char *filename)

             }

         } else if (!strcasecmp(cmd, "InputFormat")) {

             get_arg(arg, sizeof(arg), &p);

+            if (stream) {

             stream->ifmt = av_find_input_format(arg);

             if (!stream->ifmt) {

                 fprintf(stderr, "%s:%d: Unknown input format: %s\n",

                         filename, line_num, arg);

             }

+            }

         } else if (!strcasecmp(cmd, "FaviconURL")) {

             if (stream && stream->stream_type == STREAM_TYPE_STATUS) {

                 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);