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Make avfilter_graph_free() do nothing if graph is NULL. 

Originally committed as revision 26323 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2011-01-12 21:23:16 +00:00
parent b382d1e3e4
commit caeb0c3027
3 changed files with 4 additions and 2 deletions
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2
libavfilter/avfilter.h
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@ -28,7 +28,7 @@
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 73
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_MICRO 1
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \

2
libavfilter/avfiltergraph.c
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@ -34,6 +34,8 @@ AVFilterGraph *avfilter_graph_alloc(void)
void avfilter_graph_free(AVFilterGraph *graph)
{
if (!graph)
return;
for (; graph->filter_count > 0; graph->filter_count --)
avfilter_free(graph->filters[graph->filter_count - 1]);
av_freep(&graph->scale_sws_opts);

2
libavfilter/avfiltergraph.h
View File

@ -79,7 +79,7 @@ int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx);
/**
* Free a graph and destroy its links.
* Free a graph and destroy its links, graph may be NULL.
*/
void avfilter_graph_free(AVFilterGraph *graph);