avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / vf_thumbnail.c

diff --git a/libavfilter/vf_thumbnail.c b/libavfilter/vf_thumbnail.c
index e49b70c3b385b09bf857c69d9261e718a9cd3bde..825e536e67a18ab0575e858a556dc94c94fa8e1f 100644 (file)
--- a/libavfilter/vf_thumbnail.c
+++ b/libavfilter/vf_thumbnail.c
@@ -287,7 +287,7 @@ static const AVFilterPad thumbnail_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_thumbnail = {
+const AVFilter ff_vf_thumbnail = {
     .name          = "thumbnail",
     .description   = NULL_IF_CONFIG_SMALL("Select the most representative frame in a given sequence of consecutive frames."),
     .priv_size     = sizeof(ThumbContext),