lavfi/fps: Avoid duplicating Closed Captions when increasing frame rate.

libavfilter/version.h

@@ -31,7 +31,7 @@
 
 #define LIBAVFILTER_VERSION_MAJOR   7
 #define LIBAVFILTER_VERSION_MINOR  46
-#define LIBAVFILTER_VERSION_MICRO 100
+#define LIBAVFILTER_VERSION_MICRO 101
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
                                                LIBAVFILTER_VERSION_MINOR, \

libavfilter/vf_fps.c

@@ -249,6 +249,8 @@ static int write_frame(AVFilterContext *ctx, FPSContext *s, AVFilterLink *outlin
         frame = av_frame_clone(s->frames[0]);
         if (!frame)
             return AVERROR(ENOMEM);
+        // Make sure Closed Captions will not be duplicated
+        av_frame_remove_side_data(s->frames[0], AV_FRAME_DATA_A53_CC);
         frame->pts = s->next_pts++;
 
         av_log(ctx, AV_LOG_DEBUG, "Writing frame with pts %"PRId64" to pts %"PRId64"\n",