static int get_or_create_set_item(MXFHeaderMetadata* headerMetadata, MXFMetadataSet* set,
const mxfKey* itemKey, MXFMetadataItem** item)
{
MXFMetadataItem* resultItem = NULL;
mxfLocalTag tag;
MXFItemDef* itemDef = NULL;
/* check if item already exists */
if (!mxf_get_item(set, itemKey, &resultItem))
{
/* check if item registered in primer */
if (!mxf_get_item_tag(headerMetadata->primerPack, itemKey, &tag))
{
/* register item in primer */
CHK_ORET(mxf_find_item_def(headerMetadata->dataModel, itemKey, &itemDef));
CHK_ORET(mxf_register_primer_entry(headerMetadata->primerPack, (const mxfUID*)itemKey,
itemDef->localTag, &tag));
}
/* create new item */
CHK_ORET(mxf_create_item(set, itemKey, tag, &resultItem));
}
*item = resultItem;
return 1;
}
int x11c_initialise(X11Common* x11Common, int reviewDuration, OnScreenDisplay* osd, X11WindowInfo* windowInfo)
{
memset(x11Common, 0, sizeof(x11Common));
x11Common->reviewDuration = reviewDuration;
x11Common->osd = osd;
x11Common->progressBarInput.data = x11Common;
x11Common->progressBarInput.set_listener = x11c_set_pbar_listener;
x11Common->progressBarInput.unset_listener = x11c_unset_pbar_listener;
x11Common->progressBarInput.close = x11c_close_pbar;
x11Common->keyboardInput.data = x11Common;
x11Common->keyboardInput.set_listener = x11c_set_keyboard_listener;
x11Common->keyboardInput.unset_listener = x11c_unset_keyboard_listener;
x11Common->keyboardInput.close = x11c_close_keyboard;
x11Common->mouseInput.data = x11Common;
x11Common->mouseInput.set_listener = x11c_set_mouse_listener;
x11Common->mouseInput.unset_listener = x11c_unset_mouse_listener;
x11Common->mouseInput.close = x11c_close_mouse;
if (windowInfo)
{
x11Common->windowInfo = *windowInfo;
}
CHK_ORET(XInitThreads() != 0);
CHK_ORET(init_mutex(&x11Common->eventMutex));
CHK_ORET(create_joinable_thread(&x11Common->processEventThreadId, process_event_thread, x11Common));
return 1;
}
int mxf_write_rip(MXFFile *mxfFile, MXFFilePartitions *partitions)
{
uint32_t numPartitions;
uint64_t len;
uint8_t llen;
MXFListIterator iter;
numPartitions = (uint32_t)mxf_get_list_length(partitions);
len = (4 + 8) * numPartitions + 4;
CHK_ORET(mxf_write_k(mxfFile, &g_RandomIndexPack_key));
CHK_ORET((llen = mxf_write_l(mxfFile, len)) != 0);
mxf_initialise_list_iter(&iter, partitions);
while (mxf_next_list_iter_element(&iter))
{
MXFPartition *partition = (MXFPartition*)mxf_get_iter_element(&iter);
CHK_ORET(mxf_write_uint32(mxfFile, partition->bodySID));
CHK_ORET(mxf_write_uint64(mxfFile, partition->thisPartition));
}
CHK_ORET(mxf_write_uint32(mxfFile, (uint32_t)(16 + llen + len)));
return 1;
}
static int mxf_read_l(FILE* mxfFile, uint8_t* llen, uint64_t* len)
{
int i;
int c;
uint64_t length;
uint8_t llength;
CHK_ORET((c = fgetc(mxfFile)) != EOF);
length = 0;
llength = 1;
if (c < 0x80)
{
length = c;
}
else
{
int bytesToRead = c & 0x7f;
CHK_ORET(bytesToRead <= 8);
for (i = 0; i < bytesToRead; i++)
{
CHK_ORET((c = fgetc(mxfFile)) != EOF);
length = length << 8;
length = length | c;
}
llength += bytesToRead;
}
*llen = llength;
*len = length;
return 1;
}
int mxf_read_item_tl(MXFFile* mxfFile, mxfLocalTag* itemTag, uint16_t* itemLen)
{
CHK_ORET(mxf_read_local_tag(mxfFile, itemTag));
CHK_ORET(mxf_read_uint16(mxfFile, itemLen));
return 1;
}
int mxf_write_header_metadata(MXFFile* mxfFile, MXFHeaderMetadata* headerMetadata)
{
CHK_ORET(mxf_write_header_primer_pack(mxfFile, headerMetadata));
CHK_ORET(mxf_write_header_sets(mxfFile, headerMetadata));
return 1;
}
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_read_header_pp_kl_with_runin(MXFFile *mxfFile, mxfKey *key, uint8_t *llen, uint64_t *len)
{
mxfKey tkey = MXF_PP_KEY(0x01, 0x00, 0x00);
uint8_t tllen;
uint64_t tlen;
uint8_t keyCompareByte = 0;
uint32_t runinCheckCount = 0;
int byte;
/* the run-in shall not contain the first 11 bytes of the partition pack label and so
read until the first 11 bytes are found or max run-in exceeded */
while (runinCheckCount <= MAX_RUNIN_LEN && keyCompareByte < 11) {
CHK_ORET((byte = mxf_file_getc(mxfFile)) != EOF);
if (byte == ((uint8_t*)(&tkey))[keyCompareByte]) {
keyCompareByte++;
} else {
runinCheckCount += keyCompareByte + 1;
keyCompareByte = 0;
}
}
CHK_ORET(runinCheckCount <= MAX_RUNIN_LEN);
CHK_ORET(mxf_file_read(mxfFile, &tkey.octet11, 5) == 5);
CHK_ORET(mxf_is_header_partition_pack(&tkey));
CHK_ORET(mxf_read_l(mxfFile, &tllen, &tlen));
mxf_set_runin_len(mxfFile, (uint16_t)runinCheckCount);
*key = tkey;
*llen = tllen;
*len = tlen;
return 1;
}
static int mxf_read_kl(FILE* mxfFile, mxfKey* key, uint8_t* llen, uint64_t *len)
{
CHK_ORET(mxf_read_k(mxfFile, key));
CHK_ORET(mxf_read_l(mxfFile, llen, len));
return 1;
}
int mxf_register_set_items(MXFHeaderMetadata* headerMetadata, const mxfKey* key)
{
MXFSetDef* setDef;
MXFItemDef* itemDef;
MXFListIterator iter;
mxfLocalTag tag;
CHK_ORET(mxf_find_set_def(headerMetadata->dataModel, key, &setDef));
/* go though the set def and parents and register the items */
while (setDef != NULL)
{
mxf_initialise_list_iter(&iter, &setDef->itemDefs);
while (mxf_next_list_iter_element(&iter))
{
itemDef = (MXFItemDef*)mxf_get_iter_element(&iter);
CHK_ORET(mxf_register_primer_entry(headerMetadata->primerPack, (const mxfUID*)&itemDef->key,
itemDef->localTag, &tag));
}
setDef = setDef->parentSetDef;
}
return 1;
}
int mxf_write_item(MXFFile* mxfFile, MXFMetadataItem* item)
{
CHK_ORET(mxf_write_local_tag(mxfFile, item->tag));
CHK_ORET(mxf_write_uint16(mxfFile, item->length));
CHK_ORET(mxf_file_write(mxfFile, item->value, item->length) == item->length);
item->isPersistent = 1;
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_avid_add_typedef_record_member(MXFMetadataSet* typeDefSet, const mxfUTF16Char* name, const mxfUL* typeId)
{
uint8_t* elementValue;
CHK_ORET(append_name_to_string_array(typeDefSet, &MXF_ITEM_K(TypeDefinitionRecord, MemberNames), name));
CHK_ORET(mxf_grow_array_item(typeDefSet, &MXF_ITEM_K(TypeDefinitionRecord, MemberTypes), mxfUL_extlen, 1, &elementValue));
mxf_set_ul(typeId, elementValue);
return 1;
}
int mxf_avid_create_typedef_enum(MXFMetadataSet* metaDictSet, const mxfUL* id, const mxfUTF16Char* name, const mxfUTF16Char* description, const mxfUL* typeId, MXFMetadataSet** typeDefSet)
{
MXFMetadataSet* newSet = NULL;
CHK_ORET(mxf_avid_create_typedef(metaDictSet, &MXF_SET_K(TypeDefinitionEnumeration), id, name, description, &newSet));
CHK_ORET(mxf_set_ul_item(newSet, &MXF_ITEM_K(TypeDefinitionEnumeration, Type), typeId));
*typeDefSet = newSet;
return 1;
}
int xml_writer_character_data(XMLWriter* writer, const char* data)
{
if (writer->previousWrite == ELEMENT_START || writer->previousWrite == ATTRIBUTE)
{
CHK_ORET(fprintf(writer->file, ">") > 0);
}
CHK_ORET(fprintf(writer->file, "%s", data) > 0);
writer->previousWrite = CHARACTER_DATA;
return 1;
}
int mxf_avid_add_typedef_extenum_element(MXFMetadataSet* typeDefSet, const mxfUTF16Char* name, const mxfUL* value)
{
uint8_t* elementValue;
CHK_ORET(append_name_to_string_array(typeDefSet, &MXF_ITEM_K(TypeDefinitionExtendibleEnumeration, Names), name));
CHK_ORET(mxf_grow_array_item(typeDefSet, &MXF_ITEM_K(TypeDefinitionExtendibleEnumeration, Values), mxfUL_extlen, 1, &elementValue));
mxf_set_ul(value, elementValue);
return 1;
}
static int op1a_position_at_frame(MXFReader *reader, int64_t frameNumber)
{
MXFFile *mxfFile = reader->mxfFile;
EssenceReader *essenceReader = reader->essenceReader;
EssenceReaderData *data = essenceReader->data;
CHK_ORET(mxf_file_is_seekable(mxfFile));
CHK_ORET(set_position(mxfFile, data->index, frameNumber));
return 1;
}
int mxf_avid_set_metadef_items(MXFMetadataSet* set, const mxfUL* id, const mxfUTF16Char* name, const mxfUTF16Char* description)
{
CHK_ORET(mxf_set_ul_item(set, &MXF_ITEM_K(MetaDefinition, Identification), id));
CHK_ORET(name != NULL);
CHK_ORET(mxf_set_utf16string_item(set, &MXF_ITEM_K(MetaDefinition, Name), name));
if (description != NULL)
{
CHK_ORET(mxf_set_utf16string_item(set, &MXF_ITEM_K(MetaDefinition, Description), description));
}
return 1;
}
static int write_indent(XMLWriter* writer)
{
int i;
CHK_ORET(fprintf(writer->file, "\r\n") > 0);
for (i = 0; i < writer->indent; i++)
{
CHK_ORET(fprintf(writer->file, " ") > 0);
}
return 1;
}
int mxf_avid_create_typedef_vararray(MXFMetadataSet* metaDictSet, const mxfUL* id, const mxfUTF16Char* name, const mxfUTF16Char* description, const mxfUL* elementTypeId, MXFMetadataSet** typeDefSet)
{
MXFMetadataSet* newSet = NULL;
CHK_ORET(mxf_avid_create_typedef(metaDictSet, &MXF_SET_K(TypeDefinitionVariableArray), id, name, description, &newSet));
CHK_ORET(mxf_set_ul_item(newSet, &MXF_ITEM_K(TypeDefinitionVariableArray, ElementType), elementTypeId));
*typeDefSet = newSet;
return 1;
}
int mxf_avid_create_typedef_weakref(MXFMetadataSet* metaDictSet, const mxfUL* id, const mxfUTF16Char* name, const mxfUTF16Char* description, const mxfUL* referencedTypeId, MXFMetadataSet** typeDefSet)
{
MXFMetadataSet* newSet = NULL;
CHK_ORET(mxf_avid_create_typedef(metaDictSet, &MXF_SET_K(TypeDefinitionWeakObjectReference), id, name, description, &newSet));
CHK_ORET(mxf_set_ul_item(newSet, &MXF_ITEM_K(TypeDefinitionWeakObjectReference, ReferencedType), referencedTypeId));
*typeDefSet = newSet;
return 1;
}
int mxf_register_item(MXFHeaderMetadata* headerMetadata, const mxfKey* key)
{
mxfLocalTag tag;
MXFItemDef* itemDef;
/* register item in primer */
CHK_ORET(mxf_find_item_def(headerMetadata->dataModel, key, &itemDef));
CHK_ORET(mxf_register_primer_entry(headerMetadata->primerPack, (const mxfUID*)key,
itemDef->localTag, &tag));
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_avid_create_typedef(MXFMetadataSet* metaDictSet, const mxfKey* setId, const mxfUL* id, const mxfUTF16Char* name, const mxfUTF16Char* description, MXFMetadataSet** typeDefSet)
{
MXFMetadataSet* newSet = NULL;
CHK_ORET(mxf_create_set(metaDictSet->headerMetadata, setId, &newSet));
CHK_ORET(mxf_add_array_item_strongref(metaDictSet, &MXF_ITEM_K(MetaDictionary, TypeDefinitions), newSet));
CHK_ORET(mxf_avid_set_metadef_items(newSet, id, name, description));
*typeDefSet = newSet;
return 1;
}
int mxf_avid_create_typedef_integer(MXFMetadataSet* metaDictSet, const mxfUL* id, const mxfUTF16Char* name, const mxfUTF16Char* description, uint8_t size, mxfBoolean isSigned, MXFMetadataSet** typeDefSet)
{
MXFMetadataSet* newSet = NULL;
CHK_ORET(mxf_avid_create_typedef(metaDictSet, &MXF_SET_K(TypeDefinitionInteger), id, name, description, &newSet));
CHK_ORET(mxf_set_uint8_item(newSet, &MXF_ITEM_K(TypeDefinitionInteger, Size), size));
CHK_ORET(mxf_set_boolean_item(newSet, &MXF_ITEM_K(TypeDefinitionInteger, IsSigned), isSigned));
*typeDefSet = newSet;
return 1;
}
int xml_writer_element_start(XMLWriter* writer, const char* name)
{
if (writer->previousWrite == ELEMENT_START || writer->previousWrite == ATTRIBUTE)
{
CHK_ORET(fprintf(writer->file, ">") > 0);
}
write_indent(writer);
CHK_ORET(fprintf(writer->file, "<%s", name) > 0);
writer->indent++;
writer->previousWrite = ELEMENT_START;
return 1;
}
int mxf_read_partition(MXFFile *mxfFile, const mxfKey *key, uint64_t len, MXFPartition **partition)
{
MXFPartition *newPartition;
uint32_t numLabels;
uint32_t labelLen;
mxfUL label;
uint64_t expectedLen;
uint32_t i;
CHK_ORET(len >= 88 && len <= INT64_MAX);
CHK_ORET(mxf_create_partition(&newPartition));
newPartition->key = *key;
CHK_OFAIL(mxf_read_uint16(mxfFile, &newPartition->majorVersion));
CHK_OFAIL(mxf_read_uint16(mxfFile, &newPartition->minorVersion));
CHK_OFAIL(mxf_read_uint32(mxfFile, &newPartition->kagSize));
CHK_OFAIL(mxf_read_uint64(mxfFile, &newPartition->thisPartition));
CHK_OFAIL(mxf_read_uint64(mxfFile, &newPartition->previousPartition));
CHK_OFAIL(mxf_read_uint64(mxfFile, &newPartition->footerPartition));
CHK_OFAIL(mxf_read_uint64(mxfFile, &newPartition->headerByteCount));
CHK_OFAIL(mxf_read_uint64(mxfFile, &newPartition->indexByteCount));
CHK_OFAIL(mxf_read_uint32(mxfFile, &newPartition->indexSID));
CHK_OFAIL(mxf_read_uint64(mxfFile, &newPartition->bodyOffset));
CHK_OFAIL(mxf_read_uint32(mxfFile, &newPartition->bodySID));
CHK_OFAIL(mxf_read_ul(mxfFile, &newPartition->operationalPattern));
CHK_OFAIL(mxf_read_batch_header(mxfFile, &numLabels, &labelLen));
CHK_OFAIL(numLabels == 0 || labelLen == 16);
expectedLen = 88 + (uint64_t)numLabels * labelLen;
CHK_OFAIL(len >= expectedLen);
for (i = 0; i < numLabels; i++)
{
CHK_OFAIL(mxf_read_ul(mxfFile, &label));
CHK_OFAIL(mxf_append_partition_esscont_label(newPartition, &label));
}
if (len > expectedLen) {
mxf_log_warn("Partition pack len %" PRIu64 " is larger than expected len %" PRIu64 "\n",
len, expectedLen);
CHK_OFAIL(mxf_file_seek(mxfFile, (int64_t)(len - expectedLen), SEEK_CUR));
}
*partition = newPartition;
return 1;
fail:
mxf_free_partition(&newPartition);
return 0;
}
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;
}
static int add_item(MXFMetadataSet* set, MXFMetadataItem* item)
{
MXFMetadataItem* removedItem;
/* if item already attached to set, then removed it first */
if (item->set != NULL)
{
CHK_ORET(mxf_remove_item(item->set, &item->key, &removedItem));
}
CHK_ORET(mxf_append_list_element(&set->items, (void*)item));
item->set = set;
return 1;
}
int mxf_read_header_pp_kl(MXFFile *mxfFile, mxfKey *key, uint8_t *llen, uint64_t *len)
{
mxfKey tkey;
uint8_t tllen;
uint64_t tlen;
CHK_ORET(mxf_read_k(mxfFile, &tkey));
CHK_ORET(mxf_is_header_partition_pack(&tkey));
CHK_ORET(mxf_read_l(mxfFile, &tllen, &tlen));
*key = tkey;
*llen = tllen;
*len = tlen;
return 1;
}
