Make avfilter_graph_free() do nothing if graph is NULL.

Originally committed as revision 26323 to svn://svn.ffmpeg.org/ffmpeg/trunk

Stefano Sabatini committed 15 years ago

Commit caeb0c31 parent b382d1e3 files · +4 −2Browse files

Showing the changes to libavfilter/avfiltergraph.c (1 of 3 files). Show all

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@@ -34,6 +34,8 @@ AVFilterGraph *avfilter_graph_alloc(void) · 33 unmodified lines
34	34
35	35	void avfilter_graph_free(AVFilterGraph *graph)
36	36	{
	37	+ if (!graph)
	38	+ return;
37	39	for (; graph->filter_count > 0; graph->filter_count --)
38	40	avfilter_free(graph->filters[graph->filter_count - 1]);
39	41	av_freep(&graph->scale_sws_opts);

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