mov_codec_id     2188 libavformat/mov.c             st->codecpar->codec_id = mov_codec_id(st, MKTAG('r','a','w',' '));
mov_codec_id     2190 libavformat/mov.c             st->codecpar->codec_id = mov_codec_id(st, MKTAG('t','w','o','s'));
mov_codec_id     2516 libavformat/mov.c         id = mov_codec_id(st, format);
mov_codec_id     5901 libavformat/mov.c         id = mov_codec_id(st, format);