"error creating filter '%s'\n", name);
return -1;
}
- avfilter_graph_add_filter(ctx, filt);
+
+ if (avfilter_graph_add_filter(ctx, filt) < 0)
+ return -1;
+
if(avfilter_init_filter(filt, args, NULL)) {
av_log(&log_ctx, AV_LOG_ERROR,
"error initializing filter '%s'\n", name);