avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / af_tremolo.c

diff --git a/libavfilter/af_tremolo.c b/libavfilter/af_tremolo.c
index 6baeb7f110664575876c03d3b17d1e44d7dd1c80..8f9e3100409fb64b4a0599d223bb34fafc2d6552 100644 (file)
--- a/libavfilter/af_tremolo.c
+++ b/libavfilter/af_tremolo.c
@@ -160,7 +160,7 @@ static const AVFilterPad avfilter_af_tremolo_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_tremolo = {
+const AVFilter ff_af_tremolo = {
     .name          = "tremolo",
     .description   = NULL_IF_CONFIG_SMALL("Apply tremolo effect."),
     .priv_size     = sizeof(TremoloContext),