[libav-devel] [PATCH 1/6] lavfi: add const to the AVFilter parameter of avfilter_graph_create_filter()

[Anton Khirnov]

This function should never modify the filter.
---
 libavfilter/avfilter.h      |    2 +-
 libavfilter/avfiltergraph.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index b59e292..b6c9a53 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -1000,7 +1000,7 @@ 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);
 
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index e93a5bb..bfb5838 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -136,7 +136,7 @@ int avfilter_graph_add_filter(AVFilterGraph *graph, 
AVFilterContext *filter)
 }
 #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)
 {
-- 
1.7.10.4

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