lavfi: add const to the AVFilter parameter of avfilter_graph_create_filter()

This function should never modify the filter.
12 years ago · 77cc958f60
parent 6da5b57da1
commit 77cc958f60
2 changed files with 2 additions and 2 deletions
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@ -1001,7 +1001,7 @@ int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
 * @return a negative AVERROR error code in case of failure, a non
 * negative value otherwise
 */
-int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
+int avfilter_graph_create_filter(AVFilterContext **filt_ctx, const AVFilter *filt,
                                 const char *name, const char *args, void *opaque,
                                 AVFilterGraph *graph_ctx);

--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@ -139,7 +139,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 }
 #endif

-int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
+int avfilter_graph_create_filter(AVFilterContext **filt_ctx, const AVFilter *filt,
                                 const char *name, const char *args, void *opaque,
                                 AVFilterGraph *graph_ctx)
 {