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-rw-r--r--libavfilter/avfilter.c3
-rw-r--r--libavfilter/avfilter.h3
-rw-r--r--libavfilter/version.h3
3 files changed, 9 insertions, 0 deletions
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index f31968f394..14ce55f932 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -457,6 +457,9 @@ int avfilter_process_command(AVFilterContext *filter, const char *cmd, const cha
static AVFilter *first_filter;
+#if !FF_API_NOCONST_GET_NAME
+const
+#endif
AVFilter *avfilter_get_by_name(const char *name)
{
const AVFilter *f = NULL;
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 412b12391c..3518ad8b3b 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -991,6 +991,9 @@ int avfilter_register(AVFilter *filter);
* @return the filter definition, if any matching one is registered.
* NULL if none found.
*/
+#if !FF_API_NOCONST_GET_NAME
+const
+#endif
AVFilter *avfilter_get_by_name(const char *name);
/**
diff --git a/libavfilter/version.h b/libavfilter/version.h
index 541b869299..b9159a7fac 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -85,5 +85,8 @@
#ifndef FF_API_DRAWTEXT_OLD_TIMELINE
#define FF_API_DRAWTEXT_OLD_TIMELINE (LIBAVFILTER_VERSION_MAJOR < 4)
#endif
+#ifndef FF_API_NOCONST_GET_NAME
+#define FF_API_NOCONST_GET_NAME (LIBAVFILTER_VERSION_MAJOR < 4)
+#endif
#endif /* AVFILTER_VERSION_H */