/* use pkt_dts if pkt_pts is not available */
movie->picref->pts = movie->frame->pkt_pts == AV_NOPTS_VALUE ?
movie->frame->pkt_dts : movie->frame->pkt_pts;
+
if (!movie->frame->sample_aspect_ratio.num)
movie->picref->video->sample_aspect_ratio = st->sample_aspect_ratio;
av_dlog(outlink->src,