/* note: keep in sync with mxf_get_set_len */ int mxf_write_set(MXFFile* mxfFile, MXFMetadataSet* set) { MXFListIterator iter; uint64_t setLen = 0; uint64_t setSize = 0; mxf_initialise_list_iter(&iter, &set->items); while (mxf_next_list_iter_element(&iter)) { setLen += ((MXFMetadataItem*)mxf_get_iter_element(&iter))->length + 4; } if (mxf_get_llen(mxfFile, setLen) <= 4) { /* spec says preferred 4-byte BER encoded len for sets */ CHK_ORET(mxf_write_fixed_kl(mxfFile, &set->key, 4, setLen)); setSize = mxfKey_extlen + 4 + setLen; } else { CHK_ORET(mxf_write_kl(mxfFile, &set->key, setLen)); setSize = mxfKey_extlen + mxf_get_llen(mxfFile, setLen) + setLen; } mxf_initialise_list_iter(&iter, &set->items); while (mxf_next_list_iter_element(&iter)) { CHK_ORET(mxf_write_item(mxfFile, (MXFMetadataItem*)mxf_get_iter_element(&iter))); } if (set->fixedSpaceAllocation > 0) { /* check that we can achieve the fixed size, possibly using a filler */ CHK_ORET(setSize == set->fixedSpaceAllocation || (setSize < set->fixedSpaceAllocation && setSize + mxf_get_min_llen(mxfFile) + mxfKey_extlen <= set->fixedSpaceAllocation)); if (setSize < set->fixedSpaceAllocation) { /* add filler */ CHK_ORET(mxf_write_fill(mxfFile, (uint32_t)(set->fixedSpaceAllocation - setSize))); } } return 1; }
int do_write(MXFFile *mxfFile) { memset(data, 0xaa, 256); CHK_ORET(mxf_file_write(mxfFile, NULL, 0) == 0); CHK_ORET(mxf_file_write(mxfFile, data, 0) == 0); CHK_ORET(mxf_file_write(mxfFile, data, 100) == 100); CHK_ORET(mxf_file_putc(mxfFile, 0xff)); CHK_ORET(mxf_file_putc(mxfFile, 0xff)); CHK_ORET(mxf_write_uint8(mxfFile, 0x0f)); CHK_ORET(mxf_write_uint16(mxfFile, 0x0f00)); CHK_ORET(mxf_write_uint32(mxfFile, 0x0f000000)); CHK_ORET(mxf_write_uint64(mxfFile, 0x0f00000000000000LL)); CHK_ORET(mxf_write_int8(mxfFile, -0x0f)); CHK_ORET(mxf_write_int16(mxfFile, -0x0f00)); CHK_ORET(mxf_write_int32(mxfFile, -0x0f000000)); CHK_ORET(mxf_write_int64(mxfFile, -0x0f00000000000000LL)); CHK_ORET(mxf_write_local_tag(mxfFile, 0xffaa)); CHK_ORET(mxf_write_k(mxfFile, &someKey)); CHK_ORET(mxf_write_l(mxfFile, 0x01) == 1); CHK_ORET(mxf_write_l(mxfFile, 0x80) == 2); CHK_ORET(mxf_write_l(mxfFile, 0x8000) == 3); CHK_ORET(mxf_write_l(mxfFile, 0x800000) == 4); CHK_ORET(mxf_write_l(mxfFile, 0x80000000) == 5); CHK_ORET(mxf_write_l(mxfFile, 0x8000000000LL) == 6); CHK_ORET(mxf_write_l(mxfFile, 0x800000000000LL) == 7); CHK_ORET(mxf_write_l(mxfFile, 0x80000000000000LL) == 8); CHK_ORET(mxf_write_l(mxfFile, 0x8000000000000000LL) == 9); CHK_ORET(mxf_write_kl(mxfFile, &someKey, 0xf100)); CHK_ORET(mxf_write_fixed_l(mxfFile, 8, 0x10)); CHK_ORET(mxf_write_fixed_l(mxfFile, 4, 0x10)); CHK_ORET(mxf_write_fixed_kl(mxfFile, &someKey, 8, 0x1000)); CHK_ORET(mxf_write_ul(mxfFile, &someUL)); CHK_ORET(mxf_write_uid(mxfFile, &someUID)); CHK_ORET(mxf_write_uuid(mxfFile, &someUUID)); CHK_ORET(mxf_write_batch_header(mxfFile, 2, 16)); CHK_ORET(mxf_write_array_header(mxfFile, 4, 32)); return 1; }
int test_create_and_write(const char *filename) { MXFFile *mxfFile = NULL; MXFFilePartitions partitions; MXFPartition *headerPartition = NULL; MXFPartition *bodyPartition1 = NULL; MXFPartition *bodyPartition2 = NULL; MXFPartition *footerPartition = NULL; MXFEssenceElement *essenceElement = NULL; uint8_t essenceData[1024]; memset(essenceData, 0, 1024); if (!mxf_disk_file_open_new(filename, &mxfFile)) { mxf_log_error("Failed to create '%s'" LOG_LOC_FORMAT, filename, LOG_LOC_PARAMS); return 0; } mxf_initialise_file_partitions(&partitions); /* TEST */ /* write the header pp */ CHK_OFAIL(mxf_append_new_partition(&partitions, &headerPartition)); headerPartition->key = MXF_PP_K(ClosedComplete, Header); headerPartition->bodySID = 1; CHK_OFAIL(mxf_append_partition_esscont_label(headerPartition, &MXF_EC_L(BWFFrameWrapped))); CHK_OFAIL(mxf_append_partition_esscont_label(headerPartition, &MXF_EC_L(BWFClipWrapped))); CHK_OFAIL(mxf_write_partition(mxfFile, headerPartition)); /* write essence element directly */ CHK_OFAIL(mxf_write_fixed_kl(mxfFile, &g_bwfFrameWrappedEEKey, 4, 256)); CHK_OFAIL(mxf_file_write(mxfFile, essenceData, 256)); /* write the body pp 1 */ CHK_OFAIL(mxf_append_new_from_partition(&partitions, headerPartition, &bodyPartition1)); bodyPartition1->key = MXF_PP_K(ClosedComplete, Body); bodyPartition1->bodySID = 2; CHK_OFAIL(mxf_write_partition(mxfFile, bodyPartition1)); /* write using MXFEssenceElement with known length */ CHK_OFAIL(mxf_open_essence_element_write(mxfFile, &g_bwfClipWrappedEEKey, 8, 1024, &essenceElement)); CHK_OFAIL(mxf_write_essence_element_data(mxfFile, essenceElement, essenceData, 1024)); mxf_close_essence_element(&essenceElement); /* write the body pp 2 */ CHK_OFAIL(mxf_append_new_from_partition(&partitions, headerPartition, &bodyPartition2)); bodyPartition2->key = MXF_PP_K(ClosedComplete, Body); bodyPartition2->bodySID = 3; CHK_OFAIL(mxf_write_partition(mxfFile, bodyPartition2)); /* write using MXFEssenceElement with uknown length */ CHK_OFAIL(mxf_open_essence_element_write(mxfFile, &g_bwfClipWrappedEEKey, 8, 0, &essenceElement)); CHK_OFAIL(mxf_write_essence_element_data(mxfFile, essenceElement, essenceData, 256)); CHK_OFAIL(mxf_write_essence_element_data(mxfFile, essenceElement, essenceData, 512)); CHK_OFAIL(mxf_write_essence_element_data(mxfFile, essenceElement, essenceData, 256)); CHK_ORET(mxf_finalize_essence_element_write(mxfFile, essenceElement)); mxf_close_essence_element(&essenceElement); /* write the footer pp */ CHK_OFAIL(mxf_append_new_from_partition(&partitions, headerPartition, &footerPartition)); footerPartition->key = MXF_PP_K(ClosedComplete, Footer); CHK_OFAIL(mxf_write_partition(mxfFile, footerPartition)); /* update the partitions */ CHK_OFAIL(mxf_update_partitions(mxfFile, &partitions)); mxf_file_close(&mxfFile); mxf_clear_file_partitions(&partitions); mxf_close_essence_element(&essenceElement); return 1; fail: mxf_file_close(&mxfFile); mxf_clear_file_partitions(&partitions); mxf_close_essence_element(&essenceElement); return 0; }