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; }
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; }