case MKTAG( 'u', 'u', 'i', 'd' ):
static int mov_probe(AVProbeData *p){    unsigned int offset;    uint32_t tag;    int score = 0;    /* check file header */    if (p->buf_size <= 12)        return 0;    offset = 0;    for(;;) {        /* ignore invalid offset */        if ((offset + 8) > (unsigned int)p->buf_size)            return score;        tag = mov_to_tag(p->buf + offset + 4);        switch(tag) {        /* check for obvious tags */        case MKTAG( 'm', 'o', 'o', 'v' ):        case MKTAG( 'm', 'd', 'a', 't' ):        case MKTAG( 'p', 'n', 'o', 't' ): /* detect movs with preview pics like ew.mov and april.mov */        case MKTAG( 'u', 'd', 't', 'a' ): /* Packet Video PVAuthor adds this and a lot of more junk */            return AVPROBE_SCORE_MAX;        /* those are more common words, so rate then a bit less */        case MKTAG( 'w', 'i', 'd', 'e' ):        case MKTAG( 'f', 'r', 'e', 'e' ):        case MKTAG( 'j', 'u', 'n', 'k' ):        case MKTAG( 'p', 'i', 'c', 't' ):            return AVPROBE_SCORE_MAX - 5;        case MKTAG( 'f', 't', 'y', 'p' ):        case MKTAG( 's', 'k', 'i', 'p' ):            offset = to_be32(p->buf+offset) + offset;            /* if we only find those cause probedata is too small at least rate them */            score = AVPROBE_SCORE_MAX - 50;            break;        default:            /* unrecognized tag */            return score;        }    }    return score;}