get_best_frame    158 libavfilter/vf_thumbnail.c     return ff_filter_frame(outlink, get_best_frame(ctx));
get_best_frame    177 libavfilter/vf_thumbnail.c         ret = ff_filter_frame(link, get_best_frame(ctx));
get_best_frame    300 libavfilter/vf_thumbnail_cuda.c     return ff_filter_frame(outlink, get_best_frame(ctx));
get_best_frame    331 libavfilter/vf_thumbnail_cuda.c         ret = ff_filter_frame(link, get_best_frame(ctx));