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; }
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; }
static int process_metadata(MXFReader *reader, MXFPartition *partition) { MXFFile *mxfFile = reader->mxfFile; EssenceReader *essenceReader = reader->essenceReader; EssenceReaderData *data = essenceReader->data; mxfKey key; uint8_t llen; uint64_t len; MXFMetadataSet *essContainerDataSet; MXFMetadataSet *sourcePackageSet; MXFMetadataSet *sourcePackageTrackSet; MXFMetadataSet *materialPackageSet; MXFMetadataSet *materialPackageTrackSet; MXFMetadataSet *descriptorSet; MXFArrayItemIterator arrayIter; mxfUL dataDefUL; MXFTrack *track; EssenceTrack *essenceTrack; MXFList wrappedTracks; MXFList sortedWrappedTracks; WrappedTrack *newWrappedTrack = NULL; WrappedTrack *wrappedTrack; WrappedTrack *sortedWrappedTrack; WrappedTrack *prevSortedWrappedTrack; WrappedTrack *firstSortedWrappedTrack; MXFListIterator listIter; MXFListIterator sortedListIter; int wasInserted; int haveZeroTrackNumber; uint32_t trackID; mxf_initialise_list(&wrappedTracks, free); mxf_initialise_list(&sortedWrappedTracks, NULL); /* create and read the header metadata */ CHK_OFAIL(mxf_read_next_nonfiller_kl(mxfFile, &key, &llen, &len)); CHK_OFAIL(mxf_is_header_metadata(&key)); CHK_OFAIL(mxf_create_header_metadata(&data->headerMetadata, reader->dataModel)); CHK_OFAIL(mxf_read_header_metadata(mxfFile, data->headerMetadata, partition->headerByteCount, &key, llen, len)); /* check for metadata only files */ if (!mxf_find_singular_set_by_key(data->headerMetadata, &MXF_SET_K(EssenceContainerData), &essContainerDataSet)) { reader->isMetadataOnly = 1; return 1; } /* get the body and index SID from the (single essence container; external essence not supported) */ CHK_OFAIL(mxf_get_uint32_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, BodySID), &data->bodySID)); if (mxf_have_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, IndexSID))) { CHK_OFAIL(mxf_get_uint32_item(essContainerDataSet, &MXF_ITEM_K(EssenceContainerData, IndexSID), &data->indexSID)); } else { data->indexSID = 0; } /* get the clip duration */ CHK_OFAIL(get_clip_duration(data->headerMetadata, &reader->clip, 0)); /* get the tracks from the (single) material package */ haveZeroTrackNumber = 0; CHK_OFAIL(mxf_find_singular_set_by_key(data->headerMetadata, &MXF_SET_K(MaterialPackage), &materialPackageSet)); CHK_OFAIL(mxf_uu_get_package_tracks(materialPackageSet, &arrayIter)); while (mxf_uu_next_track(data->headerMetadata, &arrayIter, &materialPackageTrackSet)) { /* CHK_OFAIL(mxf_uu_get_track_datadef(materialPackageTrackSet, &dataDefUL)); */ /* NOTE: not failing because files from Omneon were found to have a missing DataDefinition item in the Sequence and DMSourceClip referenced by a static DM Track */ if (!mxf_uu_get_track_datadef(materialPackageTrackSet, &dataDefUL)) { continue; } if (mxf_is_picture(&dataDefUL) || mxf_is_sound(&dataDefUL)) { CHK_MALLOC_OFAIL(newWrappedTrack, WrappedTrack); memset(newWrappedTrack, 0, sizeof(WrappedTrack)); CHK_OFAIL(mxf_append_list_element(&wrappedTracks, newWrappedTrack)); wrappedTrack = newWrappedTrack; newWrappedTrack = NULL; /* assigned to list so set to NULL so not free'ed in fail */ CHK_OFAIL(add_track(reader, &track)); wrappedTrack->track = track; if (mxf_have_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackNumber))) { CHK_OFAIL(mxf_get_uint32_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackNumber), &wrappedTrack->trackNumber)); } else { wrappedTrack->trackNumber = 0; } CHK_OFAIL(mxf_get_uint32_item(materialPackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackID), &wrappedTrack->trackID)); CHK_OFAIL(mxf_get_rational_item(materialPackageTrackSet, &MXF_ITEM_K(Track, EditRate), &wrappedTrack->editRate)); CHK_OFAIL(mxf_uu_get_track_duration(materialPackageTrackSet, &wrappedTrack->duration)); CHK_OFAIL(mxf_uu_get_track_reference(materialPackageTrackSet, &wrappedTrack->sourcePackageUID, &wrappedTrack->sourceTrackID)); wrappedTrack->isVideo = mxf_is_picture(&dataDefUL); track->isVideo = wrappedTrack->isVideo; track->materialTrackID = wrappedTrack->trackID; track->materialTrackNumber = wrappedTrack->trackNumber; if (wrappedTrack->isVideo) { track->video.frameRate = wrappedTrack->editRate; } if (wrappedTrack->trackNumber == 0) { haveZeroTrackNumber = 1; } } } /* sort the tracks; use trackNumber if != 0 else use the trackID; video track is always first */ mxf_initialise_list_iter(&listIter, &wrappedTracks); while (mxf_next_list_iter_element(&listIter)) { wrappedTrack = (WrappedTrack*)mxf_get_iter_element(&listIter); wasInserted = 0; mxf_initialise_list_iter(&sortedListIter, &sortedWrappedTracks); while (mxf_next_list_iter_element(&sortedListIter)) { sortedWrappedTrack = (WrappedTrack*)mxf_get_iter_element(&sortedListIter); if ((wrappedTrack->track->isVideo && !sortedWrappedTrack->track->isVideo) || (wrappedTrack->track->isVideo == sortedWrappedTrack->track->isVideo && ((!haveZeroTrackNumber && wrappedTrack->trackNumber < sortedWrappedTrack->trackNumber) || (haveZeroTrackNumber && wrappedTrack->trackID < sortedWrappedTrack->trackID)))) { CHK_OFAIL(mxf_insert_list_element(&sortedWrappedTracks, mxf_get_list_iter_index(&sortedListIter), 1, wrappedTrack)); wasInserted = 1; break; } } if (!wasInserted) { CHK_OFAIL(mxf_append_list_element(&sortedWrappedTracks, wrappedTrack)); } } /* set the MXFTracks to the same order */ prevSortedWrappedTrack = NULL; firstSortedWrappedTrack = NULL; mxf_initialise_list_iter(&sortedListIter, &sortedWrappedTracks); while (mxf_next_list_iter_element(&sortedListIter)) { sortedWrappedTrack = (WrappedTrack*)mxf_get_iter_element(&sortedListIter); if (firstSortedWrappedTrack == NULL) { firstSortedWrappedTrack = sortedWrappedTrack; } if (prevSortedWrappedTrack != NULL) { prevSortedWrappedTrack->track->next = sortedWrappedTrack->track; } prevSortedWrappedTrack = sortedWrappedTrack; } if (prevSortedWrappedTrack != NULL) { prevSortedWrappedTrack->track->next = NULL; } if (firstSortedWrappedTrack != NULL) { reader->clip.tracks = firstSortedWrappedTrack->track; } /* process source package tracks and linked descriptors */ mxf_initialise_list_iter(&sortedListIter, &sortedWrappedTracks); while (mxf_next_list_iter_element(&sortedListIter)) { sortedWrappedTrack = (WrappedTrack*)mxf_get_iter_element(&sortedListIter); CHK_OFAIL(mxf_uu_get_referenced_track(data->headerMetadata, &sortedWrappedTrack->sourcePackageUID, sortedWrappedTrack->sourceTrackID, &sourcePackageTrackSet)); CHK_OFAIL(add_essence_track(essenceReader, &essenceTrack)); essenceTrack->isVideo = sortedWrappedTrack->isVideo; if (mxf_have_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackNumber))) { CHK_OFAIL(mxf_get_uint32_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackNumber), &essenceTrack->trackNumber)); } else { essenceTrack->trackNumber = 0; } CHK_OFAIL(mxf_get_uint32_item(sourcePackageTrackSet, &MXF_ITEM_K(GenericTrack, TrackID), &trackID)); essenceTrack->frameRate = reader->clip.frameRate; essenceTrack->playoutDuration = reader->clip.duration; essenceTrack->indexSID = data->indexSID; essenceTrack->bodySID = data->bodySID; /* process the descriptor */ CHK_OFAIL(mxf_uu_get_referenced_package(data->headerMetadata, &sortedWrappedTrack->sourcePackageUID, &sourcePackageSet)); CHK_OFAIL(mxf_uu_get_track_descriptor(sourcePackageSet, trackID, &descriptorSet)); if (mxf_is_subclass_of(data->headerMetadata->dataModel, &descriptorSet->key, &MXF_SET_K(CDCIEssenceDescriptor))) { CHK_OFAIL(process_cdci_descriptor(descriptorSet, sortedWrappedTrack->track, essenceTrack)); } else if (mxf_is_subclass_of(data->headerMetadata->dataModel, &descriptorSet->key, &MXF_SET_K(WaveAudioDescriptor))) { CHK_OFAIL(process_wav_descriptor(descriptorSet, sortedWrappedTrack->track, essenceTrack)); } else if (mxf_is_subclass_of(data->headerMetadata->dataModel, &descriptorSet->key, &MXF_SET_K(GenericSoundEssenceDescriptor))) { CHK_OFAIL(process_sound_descriptor(descriptorSet, track, essenceTrack)); } else { mxf_log_error("Unsupported file descriptor" LOG_LOC_FORMAT, LOG_LOC_PARAMS); return 0; } } /* initialise the playout timecode */ if (!initialise_playout_timecode(reader, materialPackageSet)) { CHK_ORET(initialise_default_playout_timecode(reader)); } /* initialise the source timecodes */ initialise_source_timecodes(reader, sourcePackageSet); mxf_clear_list(&wrappedTracks); mxf_clear_list(&sortedWrappedTracks); return 1; fail: SAFE_FREE(newWrappedTrack); mxf_clear_list(&wrappedTracks); mxf_clear_list(&sortedWrappedTracks); return 0; }