MOVDref           150 libavformat/isom.h     MOVDref *drefs;
MOVDref           474 libavformat/mov.c         MOVDref *dref = &sc->drefs[i];
MOVDref          2597 libavformat/mov.c static int mov_open_dref(AVIOContext **pb, const char *src, MOVDref *ref,
MOVDref          2695 libavformat/mov.c         MOVDref *dref = &sc->drefs[sc->dref_id - 1];