@@ -944,7 +944,10 @@ static void do_video_out(AVFormatContext *s,

         format_video_sync != VSYNC_PASSTHROUGH &&

         format_video_sync != VSYNC_DROP) {

         double cor = FFMIN(-delta0, duration);

-        av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);

+        if (delta0 < -0.6) {

+            av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);

+        } else

+            av_log(NULL, AV_LOG_DEBUG, "Cliping frame in rate conversion by %f\n", -delta0);

         sync_ipts += cor;

         duration -= cor;

         delta0 += cor;