@@ -212,6 +212,8 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)

     OverlayContext *over = ctx->priv;

     inlink->dst->outputs[0]->out_buf = outpicref;

+    outpicref->pts = av_rescale_q(outpicref->pts, ctx->inputs[MAIN]->time_base,

+                                  ctx->outputs[0]->time_base);

     if (!over->overpicref || over->overpicref->pts < outpicref->pts) {

         AVFilterBufferRef *old = over->overpicref;

@@ -322,9 +324,6 @@ static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)

     AVFilterBufferRef *outpicref = outlink->out_buf;

     OverlayContext *over = ctx->priv;

-    outpicref->pts = av_rescale_q(outpicref->pts, ctx->inputs[MAIN]->time_base,

-                                  outlink->time_base);

-

     if (over->overpicref &&

         !(over->x >= outpicref->video->w || over->y >= outpicref->video->h ||

           y+h < over->y || y >= over->y + over->overpicref->video->h)) {