Ejemplo n.º 1
0
int archive_mxf_is_metadata_only(const char* filename)
{
    MXFPageFile* mxfPageFile = NULL;
    MXFFile* mxfFile = NULL;
    mxfKey key;
    uint8_t llen;
    uint64_t len;
    MXFPartition* headerPartition = NULL;
    int result;
    
    /* open MXF file */
    if (strstr(filename, "%d") != NULL)
    {
        CHK_OFAIL_NOMSG(mxf_page_file_open_read(filename, &mxfPageFile));
        mxfFile = mxf_page_file_get_file(mxfPageFile);
    }
    else
    {
        CHK_OFAIL_NOMSG(mxf_disk_file_open_read(filename, &mxfFile));
    }
    
    /* read header partition pack */
    if (!mxf_read_header_pp_kl_with_runin(mxfFile, &key, &llen, &len) ||
        !mxf_read_partition(mxfFile, &key, &headerPartition))
    {
        return 0;
    }
    
    /* check whether there is an essence container label */
    result = (mxf_get_list_length(&headerPartition->essenceContainers) == 0);

    mxf_free_partition(&headerPartition);
    mxf_file_close(&mxfFile);
    return result;

fail:
    mxf_free_partition(&headerPartition);
    mxf_file_close(&mxfFile);
    return 0;
}
Ejemplo n.º 2
0
int archive_mxf_read_footer_metadata(const char* filename, MXFDataModel* dataModel, MXFHeaderMetadata** headerMetadata)
{
    MXFPageFile* mxfPageFile = NULL;
    MXFFile* mxfFile = NULL;
    MXFRIP rip;
    MXFRIPEntry* lastRIPEntry = NULL;
    mxfKey key;
    uint8_t llen;
    uint64_t len;
    MXFPartition* footerPartition = NULL;
    int result = 0;
    MXFHeaderMetadata* newHeaderMetadata = NULL;
    
    memset(&rip, 0, sizeof(rip));
 
    
    /* open MXF file */    
    if (strstr(filename, "%d") != NULL)
    {
        CHK_OFAIL_NOMSG(mxf_page_file_open_read(filename, &mxfPageFile));
        mxfFile = mxf_page_file_get_file(mxfPageFile);
    }
    else
    {
        CHK_OFAIL_NOMSG(mxf_disk_file_open_read(filename, &mxfFile));
    }
    
    /* read the RIP */
    CHK_OFAIL_NOMSG(mxf_read_rip(mxfFile, &rip));
    
    /* read footer partition pack */
    CHK_OFAIL_NOMSG((lastRIPEntry = (MXFRIPEntry*)mxf_get_last_list_element(&rip.entries)) != NULL);
    CHK_OFAIL_NOMSG(mxf_file_seek(mxfFile, mxf_get_runin_len(mxfFile) + lastRIPEntry->thisPartition, SEEK_SET));
    CHK_OFAIL_NOMSG(mxf_read_kl(mxfFile, &key, &llen, &len));
    CHK_OFAIL_NOMSG(mxf_is_partition_pack(&key));
    result = 2; /* the file is complete and the presence, or not, of the header metadata will not change */
    *headerMetadata = NULL;
    
    CHK_OFAIL_NOMSG(mxf_is_footer_partition_pack(&key));
    CHK_OFAIL_NOMSG(mxf_read_partition(mxfFile, &key, &footerPartition));
    
    /* read the header metadata */
    CHK_OFAIL_NOMSG(mxf_read_next_nonfiller_kl(mxfFile, &key, &llen, &len));
    CHK_OFAIL_NOMSG(mxf_is_header_metadata(&key));
    CHK_OFAIL_NOMSG(mxf_create_header_metadata(&newHeaderMetadata, dataModel));
    CHK_OFAIL_NOMSG(mxf_read_header_metadata(mxfFile, newHeaderMetadata, 
        footerPartition->headerByteCount, &key, llen, len));

    mxf_free_partition(&footerPartition);
    mxf_clear_rip(&rip);
    mxf_file_close(&mxfFile);
    
    *headerMetadata = newHeaderMetadata;
    newHeaderMetadata = NULL;
    return 1;
 
    
fail:
    mxf_free_header_metadata(&newHeaderMetadata);
    mxf_free_partition(&footerPartition);
    mxf_clear_rip(&rip);
    mxf_file_close(&mxfFile);
    return result;
}
Ejemplo n.º 3
0
int main()
{
    MXFPageFile *mxfPageFile;
    MXFFile *mxfFile;
    uint8_t *data;
    int i;

    data = malloc(DATA_SIZE);


    remove_test_files();


    CHECK(mxf_page_file_open_new(g_testFile, PAGE_SIZE, &mxfPageFile));
    mxfFile = mxf_page_file_get_file(mxfPageFile);

    memset(data, 0, DATA_SIZE);

    CHECK(mxf_file_write(mxfFile, data, DATA_SIZE) == DATA_SIZE);

    mxf_file_close(&mxfFile);



    CHECK(mxf_page_file_open_modify(g_testFile, PAGE_SIZE, &mxfPageFile));
    mxfFile = mxf_page_file_get_file(mxfPageFile);

    memset(data, 1, DATA_SIZE);

    CHECK(mxf_file_size(mxfFile) == DATA_SIZE);
    CHECK(mxf_file_read(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    CHECK(mxf_file_eof(mxfFile));
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE);

    CHECK(mxf_file_write(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    CHECK(mxf_file_eof(mxfFile));
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE * 2);

    CHECK(mxf_file_seek(mxfFile, 0, SEEK_SET));
    CHECK(mxf_file_tell(mxfFile) == 0);
    CHECK(mxf_file_write(mxfFile, data, DATA_SIZE) == DATA_SIZE);

    mxf_file_close(&mxfFile);



    CHECK(mxf_page_file_open_read(g_testFile, &mxfPageFile));
    mxfFile = mxf_page_file_get_file(mxfPageFile);

    memset(data, 1, DATA_SIZE);

    CHECK(mxf_file_size(mxfFile) == DATA_SIZE * 2);
    CHECK(mxf_file_read(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE);
    CHECK(mxf_file_read(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    CHECK(mxf_file_eof(mxfFile));
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE * 2);
    CHECK(mxf_file_seek(mxfFile, 0, SEEK_SET));
    CHECK(mxf_file_tell(mxfFile) == 0);
    CHECK(mxf_file_read(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE);
    CHECK(mxf_file_seek(mxfFile, DATA_SIZE + 1, SEEK_SET));
    CHECK(mxf_file_read(mxfFile, data, DATA_SIZE - 1) == DATA_SIZE - 1);
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE * 2);
    CHECK(mxf_file_seek(mxfFile, DATA_SIZE - 1, SEEK_SET));
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE - 1);
    CHECK(mxf_file_seek(mxfFile, DATA_SIZE * 2, SEEK_SET));
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE * 2);
    CHECK(mxf_file_seek(mxfFile, 0, SEEK_END));
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE * 2);
    CHECK(mxf_file_seek(mxfFile, -DATA_SIZE * 2, SEEK_END));
    CHECK(mxf_file_tell(mxfFile) == 0);
    CHECK(mxf_file_seek(mxfFile, DATA_SIZE - 5, SEEK_CUR));
    CHECK(mxf_file_tell(mxfFile) == DATA_SIZE - 5);
    CHECK(mxf_file_read(mxfFile, data, DATA_SIZE) == DATA_SIZE);

    mxf_file_close(&mxfFile);



    CHECK(mxf_page_file_open_new("pagetest_out__%d.mxf", PAGE_SIZE, &mxfPageFile));
    mxfFile = mxf_page_file_get_file(mxfPageFile);

    CHECK(mxf_file_write(mxfFile, data, DATA_SIZE) == DATA_SIZE);

    mxf_file_close(&mxfFile);

    CHECK(mxf_page_file_remove("pagetest_out__%d.mxf"));


    /* test forward truncate */

    CHECK(mxf_page_file_open_new(g_testFile, PAGE_SIZE, &mxfPageFile));
    mxfFile = mxf_page_file_get_file(mxfPageFile);

    memset(data, 0, DATA_SIZE);

    for (i = 0; i < 10; i++)
    {
        CHECK(mxf_file_write(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    }

    mxf_file_close(&mxfFile);


    CHECK(mxf_page_file_open_modify(g_testFile, PAGE_SIZE, &mxfPageFile));
    mxfFile = mxf_page_file_get_file(mxfPageFile);

    memset(data, 1, DATA_SIZE);

    CHECK(mxf_page_file_forward_truncate(mxfPageFile));

    for (i = 0; i < 5; i++)
    {
        CHECK(mxf_file_read(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    }
    CHECK(mxf_page_file_forward_truncate(mxfPageFile));

    for (i = 0; i < 4; i++)
    {
        CHECK(mxf_file_read(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    }
    CHECK(mxf_page_file_forward_truncate(mxfPageFile));

    CHECK(mxf_file_read(mxfFile, data, DATA_SIZE) == DATA_SIZE);
    CHECK(mxf_page_file_forward_truncate(mxfPageFile));

    mxf_file_close(&mxfFile);

    CHECK(mxf_page_file_remove(g_testFile));


    free(data);

    return 0;
}