int mxf_fill_to_position(MXFFile *mxfFile, uint64_t position)
{
int64_t filePos;
uint64_t fillSize;
uint8_t llen;
CHK_ORET((filePos = mxf_file_tell(mxfFile)) >= 0);
if ((uint64_t)filePos == position)
{
return 1;
}
CHK_ORET(((uint64_t)filePos <= position - mxf_get_min_llen(mxfFile) + mxfKey_extlen));
CHK_ORET(mxf_write_k(mxfFile, &g_KLVFill_key));
fillSize = position - filePos - mxfKey_extlen;
llen = mxf_get_llen(mxfFile, fillSize);
assert(fillSize >= llen);
fillSize -= llen;
CHK_ORET(mxf_write_l(mxfFile, fillSize));
CHK_ORET(mxf_write_zeros(mxfFile, fillSize));
return 1;
}
int mxf_mark_index_start(MXFFile *mxfFile, MXFPartition *partition)
{
int64_t filePos;
CHK_ORET((filePos = mxf_file_tell(mxfFile)) >= 0);
partition->indexMarkInPos = filePos;
return 1;
}
int mxf_allocate_space_to_kag(MXFFile *mxfFile, MXFPartition *partition, uint32_t size)
{
int64_t filePos;
uint64_t relativeFilePos;
int64_t fillSize;
uint8_t llen;
assert(partition->kagSize > 0);
if (size == 0 && partition->kagSize == 1)
{
return 1;
}
CHK_ORET((filePos = mxf_file_tell(mxfFile)) >= 0);
CHK_ORET((uint64_t)filePos > partition->thisPartition);
relativeFilePos = filePos + size - partition->thisPartition;
if (size != 0 || (relativeFilePos % partition->kagSize) != 0)
{
CHK_ORET(mxf_write_k(mxfFile, &g_KLVFill_key));
fillSize = (int64_t)size - mxfKey_extlen;
if (partition->kagSize > 1)
{
fillSize += partition->kagSize - relativeFilePos % partition->kagSize;
}
if (fillSize >= 0)
{
llen = mxf_get_llen(mxfFile, fillSize);
}
else
{
llen = 0;
}
while (fillSize - llen < 0)
{
fillSize += partition->kagSize;
if (fillSize >= 0)
{
llen = mxf_get_llen(mxfFile, fillSize);
}
else
{
llen = 0;
}
}
fillSize -= llen;
CHK_ORET(mxf_write_l(mxfFile, fillSize));
CHK_ORET(mxf_write_zeros(mxfFile, fillSize));
}
return 1;
}
int mxf_mark_index_end(MXFFile *mxfFile, MXFPartition *partition)
{
int64_t filePos;
CHK_ORET(partition->indexMarkInPos >= 0);
CHK_ORET((filePos = mxf_file_tell(mxfFile)) >= 0);
CHK_ORET(filePos >= partition->indexMarkInPos);
partition->indexByteCount = filePos - partition->indexMarkInPos;
partition->indexMarkInPos = -1;
return 1;
}
int mxf_finalize_essence_element_write(MXFFile *mxfFile, MXFEssenceElement *essenceElement)
{
int64_t filePos;
assert(essenceElement != NULL);
CHK_ORET((filePos = mxf_file_tell(mxfFile)) >= 0);
CHK_ORET(mxf_file_seek(mxfFile, essenceElement->startFilePos + 16, SEEK_SET));
CHK_ORET(mxf_write_fixed_l(mxfFile, essenceElement->llen, essenceElement->totalLen));
CHK_ORET(mxf_file_seek(mxfFile, filePos, SEEK_SET));
return 1;
}
int mxf_open_essence_element_read(MXFFile *mxfFile, const mxfKey *key, uint8_t llen, uint64_t len,
MXFEssenceElement **essenceElement)
{
MXFEssenceElement *newEssenceElement = NULL;
int64_t filePos;
CHK_ORET(create_essence_element(key, llen, &newEssenceElement));
newEssenceElement->totalLen = len;
CHK_OFAIL((filePos = mxf_file_tell(mxfFile)) >= 0);
newEssenceElement->startFilePos = filePos;
newEssenceElement->currentFilePos = newEssenceElement->startFilePos;
*essenceElement = newEssenceElement;
return 1;
fail:
SAFE_FREE(newEssenceElement);
return 0;
}
int mxf_write_partition(MXFFile *mxfFile, MXFPartition *partition)
{
uint32_t essenceContainerLen = (uint32_t)mxf_get_list_length(&partition->essenceContainers);
uint64_t packLen = 88 + mxfUL_extlen * essenceContainerLen;
int64_t filePos;
MXFListIterator iter;
CHK_ORET((filePos = mxf_file_tell(mxfFile)) >= 0);
partition->thisPartition = filePos - mxf_get_runin_len(mxfFile);
if (mxf_is_footer_partition_pack(&partition->key))
{
partition->footerPartition = partition->thisPartition;
}
CHK_ORET(mxf_write_kl(mxfFile, &partition->key, packLen));
CHK_ORET(mxf_write_uint16(mxfFile, partition->majorVersion));
CHK_ORET(mxf_write_uint16(mxfFile, partition->minorVersion));
CHK_ORET(mxf_write_uint32(mxfFile, partition->kagSize));
CHK_ORET(mxf_write_uint64(mxfFile, partition->thisPartition));
CHK_ORET(mxf_write_uint64(mxfFile, partition->previousPartition));
CHK_ORET(mxf_write_uint64(mxfFile, partition->footerPartition));
CHK_ORET(mxf_write_uint64(mxfFile, partition->headerByteCount));
CHK_ORET(mxf_write_uint64(mxfFile, partition->indexByteCount));
CHK_ORET(mxf_write_uint32(mxfFile, partition->indexSID));
CHK_ORET(mxf_write_uint64(mxfFile, partition->bodyOffset));
CHK_ORET(mxf_write_uint32(mxfFile, partition->bodySID));
CHK_ORET(mxf_write_ul(mxfFile, &partition->operationalPattern));
CHK_ORET(mxf_write_batch_header(mxfFile, essenceContainerLen, mxfUL_extlen));
mxf_initialise_list_iter(&iter, &partition->essenceContainers);
while (mxf_next_list_iter_element(&iter))
{
CHK_ORET(mxf_write_ul(mxfFile, (mxfUL*)mxf_get_iter_element(&iter)));
}
return 1;
}
int test_read(const char* filename)
{
MXFFile* mxfFile = NULL;
mxfKey key;
uint8_t llen;
uint64_t len;
mxfLocalTag tag;
uint8_t indata[256];
uint8_t valueu8;
uint16_t valueu16;
uint32_t valueu32;
uint64_t valueu64;
int8_t value8;
int16_t value16;
int32_t value32;
int64_t value64;
mxfUL ul;
mxfUID uid;
mxfUUID uuid;
uint32_t ablen;
uint32_t abelen;
if (!mxf_disk_file_open_read(filename, &mxfFile))
{
mxf_log_error("Failed to open '%s'" LOG_LOC_FORMAT, filename, LOG_LOC_PARAMS);
return 0;
}
/* TEST */
CHK_OFAIL(mxf_file_read(mxfFile, indata, 100) == 100);
CHK_OFAIL(memcmp(data, indata, 100) == 0);
CHK_OFAIL(mxf_file_getc(mxfFile) == 0xff);
CHK_OFAIL(mxf_file_getc(mxfFile) == 0xff);
CHK_OFAIL(mxf_read_uint8(mxfFile, &valueu8));
CHK_OFAIL(valueu8 == 0x0f);
CHK_OFAIL(mxf_read_uint16(mxfFile, &valueu16));
CHK_OFAIL(valueu16 == 0x0f00);
CHK_OFAIL(mxf_read_uint32(mxfFile, &valueu32));
CHK_OFAIL(valueu32 == 0x0f000000);
CHK_OFAIL(mxf_read_uint64(mxfFile, &valueu64));
CHK_OFAIL(valueu64 == 0x0f00000000000000LL);
CHK_OFAIL(mxf_read_int8(mxfFile, &value8));
CHK_OFAIL(value8 == -0x0f);
CHK_OFAIL(mxf_read_int16(mxfFile, &value16));
CHK_OFAIL(value16 == -0x0f00);
CHK_OFAIL(mxf_read_int32(mxfFile, &value32));
CHK_OFAIL(value32 == -0x0f000000);
CHK_OFAIL(mxf_read_int64(mxfFile, &value64));
CHK_OFAIL(value64 == -0x0f00000000000000LL);
CHK_OFAIL(mxf_read_local_tag(mxfFile, &tag));
CHK_OFAIL(tag == 0xffaa);
CHK_OFAIL(mxf_read_k(mxfFile, &key));
CHK_OFAIL(mxf_equals_key(&key, &someKey));
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 1 && len == 0x01);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 2 && len == 0x80);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 3 && len == 0x8000);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 4 && len == 0x800000);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 5 && len == 0x80000000);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 6 && len == 0x8000000000LL);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 7 && len == 0x800000000000LL);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 8 && len == 0x80000000000000LL);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 9 && len == 0x8000000000000000LL);
CHK_OFAIL(mxf_read_kl(mxfFile, &key, &llen, &len));
CHK_OFAIL(mxf_equals_key(&key, &someKey));
CHK_OFAIL(llen == 3 && len == 0xf100);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 8 && len == 0x10);
CHK_OFAIL(mxf_read_l(mxfFile, &llen, &len));
CHK_OFAIL(llen == 4 && len == 0x10);
CHK_OFAIL(mxf_read_kl(mxfFile, &key, &llen, &len));
CHK_OFAIL(mxf_equals_key(&key, &someKey));
CHK_OFAIL(llen == 8 && len == 0x1000);
CHK_OFAIL(mxf_read_ul(mxfFile, &ul));
CHK_OFAIL(mxf_equals_ul(&ul, &someUL));
CHK_OFAIL(mxf_read_uid(mxfFile, &uid));
CHK_OFAIL(mxf_equals_uid(&uid, &someUID));
CHK_OFAIL(mxf_read_uuid(mxfFile, &uuid));
CHK_OFAIL(mxf_equals_uuid(&uuid, &someUUID));
CHK_OFAIL(mxf_read_batch_header(mxfFile, &ablen, &abelen));
CHK_OFAIL(ablen == 2 && abelen == 16);
CHK_OFAIL(mxf_read_array_header(mxfFile, &ablen, &abelen));
CHK_OFAIL(ablen == 4 && abelen == 32);
mxf_file_close(&mxfFile);
/* test reading from a byte buffer */
const uint8_t data[5] = {1, 2, 3, 4, 5};
if (!mxf_byte_array_wrap_read(data, sizeof(data), &mxfFile))
{
mxf_log_error("Failed to open byte array as MXF file" LOG_LOC_FORMAT, LOG_LOC_PARAMS);
return 0;
}
CHK_OFAIL(mxf_file_tell(mxfFile) == 0);
CHK_OFAIL(mxf_file_getc(mxfFile) == 1);
CHK_OFAIL(mxf_file_tell(mxfFile) == 1);
CHK_OFAIL(mxf_file_read(mxfFile, indata, 4));
CHK_OFAIL(indata[0] == 2 && indata[1] == 3 && indata[2] == 4 && indata[3] == 5);
CHK_OFAIL(mxf_file_tell(mxfFile) == 5);
CHK_OFAIL(mxf_file_eof(mxfFile));
CHK_OFAIL(mxf_file_getc(mxfFile) == EOF);
CHK_OFAIL(mxf_file_seek(mxfFile, 0, SEEK_SET));
CHK_OFAIL(mxf_file_tell(mxfFile) == 0);
CHK_OFAIL(mxf_file_getc(mxfFile) == 1);
CHK_OFAIL(mxf_file_seek(mxfFile, 2, SEEK_CUR));
CHK_OFAIL(mxf_file_tell(mxfFile) == 3);
CHK_OFAIL(mxf_file_getc(mxfFile) == 4);
CHK_OFAIL(mxf_file_seek(mxfFile, 0, SEEK_END));
CHK_OFAIL(mxf_file_tell(mxfFile) == 4);
CHK_OFAIL(mxf_file_getc(mxfFile) == 5);
CHK_OFAIL(!mxf_file_seek(mxfFile, 5, SEEK_END)); /* should fail */
CHK_OFAIL(mxf_file_tell(mxfFile) == 5);
mxf_file_close(&mxfFile);
return 1;
fail:
mxf_file_close(&mxfFile);
return 0;
}
int write_dv50(FILE* dv50File, MXFFile* mxfFile, int test)
{
MXFFilePartitions partitions;
MXFPartition* headerPartition;
MXFPartition* bodyPartition;
MXFPartition* footerPartition;
MXFHeaderMetadata* headerMetadata = NULL;
MXFMetadataSet* metaDictSet = NULL;
MXFMetadataSet* prefaceSet = NULL;
MXFMetadataSet* identSet = NULL;
MXFMetadataSet* contentStorageSet = NULL;
MXFMetadataSet* sourcePackageSet = NULL;
MXFMetadataSet* materialPackageSet = NULL;
MXFMetadataSet* sourcePackageTrackSet = NULL;
MXFMetadataSet* materialPackageTrackSet = NULL;
MXFMetadataSet* sequenceSet = NULL;
MXFMetadataSet* sourceClipSet = NULL;
MXFMetadataSet* essContainerDataSet = NULL;
MXFMetadataSet* cdciDescriptorSet = NULL;
MXFDataModel* dataModel = NULL;
MXFIndexTableSegment* indexSegment = NULL;
MXFEssenceElement* essenceElement = NULL;
MXFMetadataItem* durationItem1 = NULL;
MXFMetadataItem* durationItem2 = NULL;
MXFMetadataItem* durationItem3 = NULL;
MXFMetadataItem* durationItem4 = NULL;
MXFMetadataItem* durationItem5 = NULL;
MXFMetadataItem* imageSizeItem = NULL;
mxfTimestamp now;
uint32_t bodySID = 1;
uint32_t indexSID = 2;
mxfUUID thisGeneration;
mxfUTF16Char* companyName = L"BBC Research";
mxfUTF16Char* productName = L"Write Avid DV-50 example";
mxfUTF16Char* versionString = L"Alpha version";
mxfUMID sourcePackageUMID;
mxfUMID materialPackageUMID;
uint32_t sourceTrackID = 1;
uint32_t sourceTrackNumber = 0x18010201;
mxfRational sampleRate = {25, 1};
mxfRational editRate = sampleRate;
mxfLength duration = 0;
mxfRational aspectRatio = {4, 3};
mxfUUID indexSegmentUUID;
uint32_t frameSize = 288000;
int32_t imageSize = 0;
int32_t resolutionID = 0x8e;
const uint32_t essenceBufferSize = 4096;
uint8_t buffer[4096];
int done = 0;
uint8_t* arrayElement;
int64_t headerMetadataPos;
mxf_generate_uuid(&thisGeneration);
mxf_get_timestamp_now(&now);
/* Older Avids could fail when given files with UMIDs generated using
other methods. (Note: not 100% sure this is true) */
mxf_generate_aafsdk_umid(&sourcePackageUMID);
mxf_generate_aafsdk_umid(&materialPackageUMID);
mxf_generate_uuid(&indexSegmentUUID);
mxf_initialise_file_partitions(&partitions);
/* set the minimum llen */
mxf_file_set_min_llen(mxfFile, 4);
/* load the data model, plus AVID extensions */
CHK_ORET(mxf_load_data_model(&dataModel));
CHK_ORET(mxf_avid_load_extensions(dataModel));
CHK_ORET(mxf_finalise_data_model(dataModel));
/* write the header partition pack */
CHK_ORET(mxf_append_new_partition(&partitions, &headerPartition));
headerPartition->key = MXF_PP_K(ClosedComplete, Header);
headerPartition->majorVersion = 1;
headerPartition->minorVersion = 2;
headerPartition->kagSize = 0x100;
headerPartition->operationalPattern = MXF_OP_L(atom, NTracks_1SourceClip);
CHK_ORET(mxf_append_partition_esscont_label(headerPartition, &MXF_EC_L(DVBased_50_625_50_ClipWrapped)));
CHK_ORET(mxf_write_partition(mxfFile, headerPartition));
CHK_ORET(mxf_fill_to_kag(mxfFile, headerPartition));
/* create the header metadata */
CHK_ORET(mxf_create_header_metadata(&headerMetadata, dataModel));
/* create the Avid meta-dictionary */
CHK_ORET(mxf_avid_create_default_metadictionary(headerMetadata, &metaDictSet));
/* Preface */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Preface), &prefaceSet));
CHK_ORET(mxf_set_timestamp_item(prefaceSet, &MXF_ITEM_K(Preface, LastModifiedDate), &now));
CHK_ORET(mxf_set_version_type_item(prefaceSet, &MXF_ITEM_K(Preface, Version), 0x0102));
CHK_ORET(mxf_set_ul_item(prefaceSet, &MXF_ITEM_K(Preface, OperationalPattern), &MXF_OP_L(atom, NTracks_1SourceClip)));
CHK_ORET(mxf_alloc_array_item_elements(prefaceSet, &MXF_ITEM_K(Preface, EssenceContainers), mxfUL_extlen, 1, &arrayElement));
mxf_set_ul(&MXF_EC_L(DVBased_50_625_50_ClipWrapped), arrayElement);
/* Preface - Identification */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Identification), &identSet));
CHK_ORET(mxf_add_array_item_strongref(prefaceSet, &MXF_ITEM_K(Preface, Identifications), identSet));
CHK_ORET(mxf_set_uuid_item(identSet, &MXF_ITEM_K(Identification, ThisGenerationUID), &thisGeneration));
CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, CompanyName), companyName));
CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, ProductName), productName));
CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, VersionString), versionString));
CHK_ORET(mxf_set_uuid_item(identSet, &MXF_ITEM_K(Identification, ProductUID), &g_WrapDV50ProductUID_uuid));
CHK_ORET(mxf_set_timestamp_item(identSet, &MXF_ITEM_K(Identification, ModificationDate), &now));
CHK_ORET(mxf_set_product_version_item(identSet, &MXF_ITEM_K(Identification, ToolkitVersion), mxf_get_version()));
if (test)
{
/* use the same string on all platforms to make checking diffs easier */
CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, Platform), L"test platform string"));
}
else
{
CHK_ORET(mxf_set_utf16string_item(identSet, &MXF_ITEM_K(Identification, Platform), mxf_get_platform_wstring()));
}
/* Preface - ContentStorage */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(ContentStorage), &contentStorageSet));
CHK_ORET(mxf_set_strongref_item(prefaceSet, &MXF_ITEM_K(Preface, ContentStorage), contentStorageSet));
/* Preface - ContentStorage - MaterialPackage */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(MaterialPackage), &materialPackageSet));
CHK_ORET(mxf_add_array_item_strongref(contentStorageSet, &MXF_ITEM_K(ContentStorage, Packages), materialPackageSet));
CHK_ORET(mxf_set_umid_item(materialPackageSet, &MXF_ITEM_K(GenericPackage, PackageUID), &materialPackageUMID));
CHK_ORET(mxf_set_timestamp_item(materialPackageSet, &MXF_ITEM_K(GenericPackage, PackageCreationDate), &now));
CHK_ORET(mxf_set_timestamp_item(materialPackageSet, &MXF_ITEM_K(GenericPackage, PackageModifiedDate), &now));
CHK_ORET(mxf_set_utf16string_item(materialPackageSet, &MXF_ITEM_K(GenericPackage, Name), L"writedv50 material"));
/* Preface - ContentStorage - MaterialPackage - Timeline Track */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Track), &materialPackageTrackSet));
CHK_ORET(mxf_add_array_item_strongref(materialPackageSet, &MXF_ITEM_K(GenericPackage, Tracks), materialPackageTrackSet));
CHK_ORET(mxf_set_uint32_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackID), sourceTrackID));
CHK_ORET(mxf_set_uint32_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackNumber), sourceTrackNumber));
CHK_ORET(mxf_set_rational_item(materialPackageTrackSet, &MXF_ITEM_K(Track, EditRate), &editRate));
CHK_ORET(mxf_set_position_item(materialPackageTrackSet, &MXF_ITEM_K(Track, Origin), 0));
/* Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Sequence), &sequenceSet));
CHK_ORET(mxf_set_strongref_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, Sequence), sequenceSet));
CHK_ORET(mxf_set_ul_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, DataDefinition), &MXF_DDEF_L(LegacyPicture)));
CHK_ORET(mxf_set_length_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, Duration), duration));
CHK_ORET(mxf_get_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, Duration), &durationItem1));
/* Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence - SourceClip */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(SourceClip), &sourceClipSet));
CHK_ORET(mxf_add_array_item_strongref(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), sourceClipSet));
CHK_ORET(mxf_set_ul_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, DataDefinition), &MXF_DDEF_L(LegacyPicture)));
CHK_ORET(mxf_set_length_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, Duration), duration));
CHK_ORET(mxf_set_position_item(sourceClipSet, &MXF_ITEM_K(SourceClip, StartPosition), 0));
CHK_ORET(mxf_set_umid_item(sourceClipSet, &MXF_ITEM_K(SourceClip, SourcePackageID), &sourcePackageUMID));
CHK_ORET(mxf_set_uint32_item(sourceClipSet, &MXF_ITEM_K(SourceClip, SourceTrackID), sourceTrackID));
CHK_ORET(mxf_get_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, Duration), &durationItem2));
/* Preface - ContentStorage - SourcePackage */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(SourcePackage), &sourcePackageSet));
CHK_ORET(mxf_add_array_item_strongref(contentStorageSet, &MXF_ITEM_K(ContentStorage, Packages), sourcePackageSet));
CHK_ORET(mxf_set_weakref_item(prefaceSet, &MXF_ITEM_K(Preface, PrimaryPackage), sourcePackageSet));
CHK_ORET(mxf_set_umid_item(sourcePackageSet, &MXF_ITEM_K(GenericPackage, PackageUID), &sourcePackageUMID));
CHK_ORET(mxf_set_timestamp_item(sourcePackageSet, &MXF_ITEM_K(GenericPackage, PackageCreationDate), &now));
CHK_ORET(mxf_set_timestamp_item(sourcePackageSet, &MXF_ITEM_K(GenericPackage, PackageModifiedDate), &now));
CHK_ORET(mxf_set_utf16string_item(sourcePackageSet, &MXF_ITEM_K(GenericPackage, Name), L"writedv50 source"));
/* Preface - ContentStorage - SourcePackage - Timeline Track */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Track), &sourcePackageTrackSet));
CHK_ORET(mxf_add_array_item_strongref(sourcePackageSet, &MXF_ITEM_K(GenericPackage, Tracks), sourcePackageTrackSet));
CHK_ORET(mxf_set_uint32_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackID), sourceTrackID));
CHK_ORET(mxf_set_uint32_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackNumber), sourceTrackNumber));
CHK_ORET(mxf_set_rational_item(sourcePackageTrackSet, &MXF_ITEM_K(Track, EditRate), &editRate));
CHK_ORET(mxf_set_position_item(sourcePackageTrackSet, &MXF_ITEM_K(Track, Origin), 0));
/* Preface - ContentStorage - SourcePackage - Timeline Track - Sequence */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(Sequence), &sequenceSet));
CHK_ORET(mxf_set_strongref_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, Sequence), sequenceSet));
CHK_ORET(mxf_set_ul_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, DataDefinition), &MXF_DDEF_L(LegacyPicture)));
CHK_ORET(mxf_set_length_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, Duration), duration));
CHK_ORET(mxf_get_item(sequenceSet, &MXF_ITEM_K(StructuralComponent, Duration), &durationItem3));
/* Preface - ContentStorage - SourcePackage - Timeline Track - Sequence - SourceClip */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(SourceClip), &sourceClipSet));
CHK_ORET(mxf_add_array_item_strongref(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), sourceClipSet));
CHK_ORET(mxf_set_ul_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, DataDefinition), &MXF_DDEF_L(LegacyPicture)));
CHK_ORET(mxf_set_length_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, Duration), duration));
CHK_ORET(mxf_set_position_item(sourceClipSet, &MXF_ITEM_K(SourceClip, StartPosition), 0));
CHK_ORET(mxf_set_umid_item(sourceClipSet, &MXF_ITEM_K(SourceClip, SourcePackageID), &g_Null_UMID));
CHK_ORET(mxf_set_uint32_item(sourceClipSet, &MXF_ITEM_K(SourceClip, SourceTrackID), 0));
CHK_ORET(mxf_get_item(sourceClipSet, &MXF_ITEM_K(StructuralComponent, Duration), &durationItem4));
/* Preface - ContentStorage - SourcePackage - CDCIEssenceDescriptor */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(CDCIEssenceDescriptor), &cdciDescriptorSet));
CHK_ORET(mxf_set_strongref_item(sourcePackageSet, &MXF_ITEM_K(SourcePackage, Descriptor), cdciDescriptorSet));
CHK_ORET(mxf_set_rational_item(cdciDescriptorSet, &MXF_ITEM_K(FileDescriptor, SampleRate), &sampleRate));
CHK_ORET(mxf_set_length_item(cdciDescriptorSet, &MXF_ITEM_K(FileDescriptor, ContainerDuration), duration));
CHK_ORET(mxf_set_ul_item(cdciDescriptorSet, &MXF_ITEM_K(FileDescriptor, EssenceContainer), &MXF_EC_L(DVBased_50_625_50_ClipWrapped)));
CHK_ORET(mxf_set_ul_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, PictureEssenceCoding), &MXF_CMDEF_L(DVBased_50_625_50)));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, StoredHeight), 288));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, StoredWidth), 720));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, SampledHeight), 288));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, SampledWidth), 720));
CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, SampledXOffset), 0));
CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, SampledYOffset), 0));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, DisplayHeight), 288));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, DisplayWidth), 720));
CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, DisplayXOffset), 0));
CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, DisplayYOffset), 0));
CHK_ORET(mxf_set_uint8_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, FrameLayout), 1));
CHK_ORET(mxf_alloc_array_item_elements(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, VideoLineMap), 4, 2, &arrayElement));
mxf_set_int32(23, arrayElement);
mxf_set_int32(335, &arrayElement[4]);
CHK_ORET(mxf_set_rational_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, AspectRatio), &aspectRatio));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, ImageAlignmentOffset), 1));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, ComponentDepth), 8));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, HorizontalSubsampling), 2));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, VerticalSubsampling), 1));
CHK_ORET(mxf_set_uint8_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, ColorSiting), 4));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, BlackRefLevel), 16));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, WhiteReflevel), 235));
CHK_ORET(mxf_set_uint32_item(cdciDescriptorSet, &MXF_ITEM_K(CDCIEssenceDescriptor, ColorRange), 225));
CHK_ORET(mxf_get_item(cdciDescriptorSet, &MXF_ITEM_K(FileDescriptor, ContainerDuration), &durationItem5));
CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, ResolutionID), resolutionID));
CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, FrameSampleSize), frameSize));
CHK_ORET(mxf_set_int32_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, ImageSize), 0));
CHK_ORET(mxf_get_item(cdciDescriptorSet, &MXF_ITEM_K(GenericPictureEssenceDescriptor, ImageSize), &imageSizeItem));
/* Preface - ContentStorage - EssenceContainerData */
CHK_ORET(mxf_create_set(headerMetadata, &MXF_SET_K(EssenceContainerData), &essContainerDataSet));
CHK_ORET(mxf_add_array_item_strongref(contentStorageSet, &MXF_ITEM_K(ContentStorage, EssenceContainerData), essContainerDataSet));
CHK_ORET(mxf_set_umid_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, LinkedPackageUID), &sourcePackageUMID));
CHK_ORET(mxf_set_uint32_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, IndexSID), indexSID));
CHK_ORET(mxf_set_uint32_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, BodySID), bodySID));
/* write the header metadata with Avid extensions */
CHK_ORET((headerMetadataPos = mxf_file_tell(mxfFile)) >= 0);
CHK_ORET(mxf_mark_header_start(mxfFile, headerPartition));
CHK_ORET(mxf_avid_write_header_metadata(mxfFile, headerMetadata, headerPartition));
CHK_ORET(mxf_fill_to_kag(mxfFile, headerPartition));
CHK_ORET(mxf_mark_header_end(mxfFile, headerPartition));
/* write the body partition pack */
CHK_ORET(mxf_append_new_from_partition(&partitions, headerPartition, &bodyPartition));
bodyPartition->key = MXF_PP_K(ClosedComplete, Body);
bodyPartition->kagSize = 0x200;
bodyPartition->bodySID = bodySID;
CHK_ORET(mxf_write_partition(mxfFile, bodyPartition));
CHK_ORET(mxf_fill_to_kag(mxfFile, bodyPartition));
/* write the DV-50 essence element */
CHK_ORET(mxf_open_essence_element_write(mxfFile, &MXF_EE_K(DVClipWrapped), 8, 0, &essenceElement));
while (!done)
{
size_t numRead = fread(buffer, 1, essenceBufferSize, dv50File);
if (numRead < essenceBufferSize)
{
if (!feof(dv50File))
{
fprintf(stderr, "Failed to read bytes from dv50 file\n");
return 0;
}
done = 1;
}
CHK_ORET(mxf_write_essence_element_data(mxfFile, essenceElement, buffer, (uint32_t)numRead));
}
duration = essenceElement->totalLen / frameSize;
imageSize = (int32_t)essenceElement->totalLen;
CHK_ORET(mxf_finalize_essence_element_write(mxfFile, essenceElement));
mxf_close_essence_element(&essenceElement);
CHK_ORET(mxf_fill_to_kag(mxfFile, bodyPartition));
/* write the footer partition pack */
CHK_ORET(mxf_append_new_from_partition(&partitions, headerPartition, &footerPartition));
footerPartition->key = MXF_PP_K(ClosedComplete, Footer);
footerPartition->kagSize = 0x200;
footerPartition->indexSID = indexSID;
CHK_ORET(mxf_write_partition(mxfFile, footerPartition));
CHK_ORET(mxf_fill_to_kag(mxfFile, footerPartition));
/* write the index table segment */
CHK_ORET(mxf_mark_index_start(mxfFile, footerPartition));
CHK_ORET(mxf_create_index_table_segment(&indexSegment));
indexSegment->instanceUID = indexSegmentUUID;
indexSegment->indexEditRate = editRate;
indexSegment->indexStartPosition = 0;
indexSegment->indexDuration = duration;
indexSegment->editUnitByteCount = frameSize;
indexSegment->indexSID = indexSID;
indexSegment->bodySID = bodySID;
indexSegment->sliceCount = 0;
indexSegment->posTableCount = 0;
indexSegment->deltaEntryArray = NULL;
indexSegment->indexEntryArray = NULL;
CHK_ORET(mxf_write_index_table_segment(mxfFile, indexSegment));
CHK_ORET(mxf_fill_to_kag(mxfFile, footerPartition));
CHK_ORET(mxf_mark_index_end(mxfFile, footerPartition));
/* write the random index pack */
CHK_ORET(mxf_write_rip(mxfFile, &partitions));
/* update and re-write the header metadata */
/* Note: the size will not change so it is safe to re-write */
CHK_ORET(mxf_set_length_item(durationItem1->set, &durationItem1->key, duration));
CHK_ORET(mxf_set_length_item(durationItem2->set, &durationItem2->key, duration));
CHK_ORET(mxf_set_length_item(durationItem3->set, &durationItem3->key, duration));
CHK_ORET(mxf_set_length_item(durationItem4->set, &durationItem4->key, duration));
CHK_ORET(mxf_set_length_item(durationItem5->set, &durationItem5->key, duration));
CHK_ORET(mxf_set_int32_item(imageSizeItem->set, &imageSizeItem->key, imageSize));
CHK_ORET(mxf_file_seek(mxfFile, headerMetadataPos, SEEK_SET));
CHK_ORET(mxf_mark_header_start(mxfFile, headerPartition));
CHK_ORET(mxf_avid_write_header_metadata(mxfFile, headerMetadata, headerPartition));
CHK_ORET(mxf_fill_to_kag(mxfFile, headerPartition));
CHK_ORET(mxf_mark_header_end(mxfFile, headerPartition));
/* update the partitions */
CHK_ORET(mxf_update_partitions(mxfFile, &partitions));
/* free memory resources */
mxf_free_index_table_segment(&indexSegment);
mxf_clear_file_partitions(&partitions);
mxf_free_header_metadata(&headerMetadata);
mxf_free_data_model(&dataModel);
return 1;
}
int mxf_find_footer_partition(MXFFile *mxfFile)
{
const uint32_t maxIterations = 250; /* i.e. search maximum 8MB */
const uint32_t bufferSize = 32768 + 15;
unsigned char *buffer;
uint32_t numRead = 0;
int64_t offset;
int lastIteration = 0;
uint32_t i, j;
CHK_MALLOC_ARRAY_ORET(buffer, unsigned char, bufferSize);
if (!mxf_file_seek(mxfFile, 0, SEEK_END))
goto fail;
offset = mxf_file_tell(mxfFile);
for (i = 0; i < maxIterations; i++) {
if (offset < 17) /* file must start with a header partition pack */
break;
numRead = bufferSize - 15;
if (numRead > offset)
numRead = (uint32_t)offset;
/* first 15 bytes from last read are used for comparison in this read */
if (i > 0)
memcpy(buffer + numRead, buffer, 15);
if (!mxf_file_seek(mxfFile, offset - numRead, SEEK_SET) ||
mxf_file_read(mxfFile, buffer, numRead) != numRead)
{
break;
}
for (j = 0; j < numRead; j++) {
if (buffer[j] == g_PartitionPackPrefix_key.octet0 &&
buffer[j + 1] == g_PartitionPackPrefix_key.octet1 &&
memcmp(&buffer[j + 2], &g_PartitionPackPrefix_key.octet2, 11) == 0)
{
if (buffer[j + 13] == 0x04) {
/* found footer partition pack key - seek to it */
if (!mxf_file_seek(mxfFile, offset - numRead + j, SEEK_SET))
goto fail;
SAFE_FREE(buffer);
return 1;
} else if (buffer[j + 13] == 0x02 || buffer[j + 13] == 0x03) {
/* found a header or body partition pack key - continue search in this buffer only */
lastIteration = 1;
}
}
}
if (lastIteration)
break;
offset -= numRead;
}
fail:
SAFE_FREE(buffer);
return 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;
}
