ff_lsb2full       134 libavformat/nut.h int64_t ff_lsb2full(StreamContext *stream, int64_t lsb);
ff_lsb2full      1024 libavformat/nutdec.c             *pts = ff_lsb2full(stc, coded_pts);
ff_lsb2full      1061 libavformat/nutenc.c     if (ff_lsb2full(nus, coded_pts) != pkt->pts)