Esempi in C++ (Cpp) per _mobj_parse_object

Esempio n. 1

File: mobj_parse.c Progetto: Saner2oo2/mythtv

static MOBJ_OBJECTS *_mobj_parse(BD_FILE_H *fp)
{
    BITSTREAM     bs;
    MOBJ_OBJECTS *objects = NULL;
    uint16_t      num_objects;
    uint32_t      data_len;
    int           extension_data_start, i;

    bs_init(&bs, fp);

    if (!_mobj_parse_header(&bs, &extension_data_start)) {
        BD_DEBUG(DBG_NAV | DBG_CRIT, "MovieObject.bdmv: invalid header\n");
        goto error;
    }

    if (extension_data_start) {
        BD_DEBUG(DBG_NAV | DBG_CRIT, "MovieObject.bdmv: unknown extension data at %d\n", extension_data_start);
    }

    bs_seek_byte(&bs, 40);

    data_len = bs_read(&bs, 32);

    if ((bs_end(&bs) - bs_pos(&bs))/8 < (int64_t)data_len) {
        BD_DEBUG(DBG_NAV | DBG_CRIT, "MovieObject.bdmv: invalid data_len %d !\n", data_len);
        goto error;
    }

    objects = calloc(1, sizeof(MOBJ_OBJECTS));
    if (!objects) {
        BD_DEBUG(DBG_CRIT, "out of memory\n");
        goto error;
    }

    bs_skip(&bs, 32); /* reserved */
    num_objects = bs_read(&bs, 16);

    objects->num_objects = num_objects;
    objects->objects = calloc(num_objects, sizeof(MOBJ_OBJECT));
    if (!objects->objects) {
        BD_DEBUG(DBG_CRIT, "out of memory\n");
        goto error;
    }

    for (i = 0; i < objects->num_objects; i++) {
        if (!_mobj_parse_object(&bs, &objects->objects[i])) {
            BD_DEBUG(DBG_NAV | DBG_CRIT, "MovieObject.bdmv: error parsing object %d\n", i);
            goto error;
        }
    }

    return objects;

 error:
    mobj_free(&objects);
    return NULL;
}

Esempio n. 2

File: mobj_parse.c Progetto: Beirdo/mythtv-stabilize

static MOBJ_OBJECTS *_mobj_parse(const char *file_name)
{
    BITSTREAM     bs;
    BD_FILE_H    *fp;
    MOBJ_OBJECTS *objects = NULL;
    uint16_t      num_objects;
    uint32_t      data_len;
    int           extension_data_start, i;

    fp = file_open(file_name, "rb");
    if (!fp) {
      BD_DEBUG(DBG_NAV | DBG_CRIT, "error opening %s\n", file_name);
      return NULL;
    }

    bs_init(&bs, fp);

    if (!_mobj_parse_header(&bs, &extension_data_start)) {
        BD_DEBUG(DBG_NAV | DBG_CRIT, "%s: invalid header\n", file_name);
        goto error;
    }

    bs_seek_byte(&bs, 40);

    data_len = bs_read(&bs, 32);

    if ((bs_end(&bs) - bs_pos(&bs))/8 < (off_t)data_len) {
        BD_DEBUG(DBG_NAV | DBG_CRIT, "%s: invalid data_len %d !\n", file_name, data_len);
        goto error;
    }

    bs_skip(&bs, 32); /* reserved */
    num_objects = bs_read(&bs, 16);

    objects = calloc(1, sizeof(MOBJ_OBJECTS));
    objects->num_objects = num_objects;
    objects->objects = calloc(num_objects, sizeof(MOBJ_OBJECT));

    for (i = 0; i < objects->num_objects; i++) {
        if (!_mobj_parse_object(&bs, &objects->objects[i])) {
            BD_DEBUG(DBG_NAV | DBG_CRIT, "%s: error parsing object %d\n", file_name, i);
            goto error;
        }
    }

    file_close(fp);

    return objects;

 error:
    mobj_free(&objects);
    file_close(fp);
    return NULL;
}