find_startcode    603 libavformat/nutdec.c         pos= find_startcode(bc, MAIN_STARTCODE, pos)+1;
find_startcode    613 libavformat/nutdec.c         pos= find_startcode(bc, STREAM_STARTCODE, pos)+1;
find_startcode    828 libavformat/nutdec.c         pos= find_startcode(bc, SYNCPOINT_STARTCODE, pos)+1;
find_startcode    885 libavformat/nutdec.c     pos= find_startcode(s->pb, SYNCPOINT_STARTCODE, pos2);