int mxf_append_new_from_partition(MXFFilePartitions *partitions, MXFPartition *sourcePartition,
MXFPartition **partition)
{
MXFPartition *newPartition;
CHK_ORET(mxf_create_from_partition(sourcePartition, &newPartition));
CHK_OFAIL(mxf_append_partition(partitions, newPartition));
*partition = newPartition;
return 1;
fail:
mxf_free_partition(&newPartition);
return 0;
}
static int get_file_partitions(MXFFile *mxfFile, MXFPartition *headerPartition, MXFList *partitions)
{
mxfKey key;
uint8_t llen;
uint64_t len;
MXFPartition *partition = NULL;
MXFPartition *partitionRef;
uint64_t thisPartition;
MXFRIP rip;
MXFRIPEntry *ripEntry;
MXFListIterator iter;
mxf_initialise_list(partitions, free_partition_in_list);
memset(&rip, 0, sizeof(MXFRIP));
/* use the RIP if there is one */
if (mxf_read_rip(mxfFile, &rip))
{
mxf_initialise_list_iter(&iter, &rip.entries);
while (mxf_next_list_iter_element(&iter))
{
ripEntry = (MXFRIPEntry*)mxf_get_iter_element(&iter);
/* seek to partition and read and add to list */
CHK_OFAIL(mxf_file_seek(mxfFile, mxf_get_runin_len(mxfFile) + ripEntry->thisPartition,
SEEK_SET));
CHK_OFAIL(mxf_read_kl(mxfFile, &key, &llen, &len));
CHK_OFAIL(mxf_is_partition_pack(&key));
CHK_OFAIL(mxf_read_partition(mxfFile, &key, &partition));
CHK_OFAIL(mxf_append_list_element(partitions, partition));
partition = NULL; /* owned by list */
}
}
/* start from footer partition and index back to the header partition */
else
{
if (headerPartition->footerPartition == 0)
{
/* no footer partition or at unknown position, so we only index the header partition */
goto fail;
}
thisPartition = headerPartition->footerPartition;
do
{
/* seek to partition and read and add to list */
CHK_OFAIL(mxf_file_seek(mxfFile, mxf_get_runin_len(mxfFile) + thisPartition, SEEK_SET));
CHK_OFAIL(mxf_read_kl(mxfFile, &key, &llen, &len));
CHK_OFAIL(mxf_is_partition_pack(&key));
CHK_OFAIL(mxf_read_partition(mxfFile, &key, &partition));
CHK_OFAIL(mxf_prepend_list_element(partitions, partition));
partitionRef = partition;
partition = NULL; /* owned by list */
thisPartition = partitionRef->previousPartition;
}
while (partitionRef->thisPartition != partitionRef->previousPartition);
}
mxf_clear_rip(&rip);
return 1;
fail:
/* if something failed then just add the header partition
Note: some Omneon files had references to a footer partition which was not
actually present in the file */
mxf_clear_list(partitions);
mxf_free_partition(&partition);
mxf_clear_rip(&rip);
/* create copy of header partition pack */
CHK_ORET(mxf_create_from_partition(headerPartition, &partition));
partition->key = headerPartition->key;
partition->majorVersion = headerPartition->majorVersion;
partition->minorVersion = headerPartition->minorVersion;
partition->kagSize = headerPartition->kagSize;
partition->thisPartition = headerPartition->thisPartition;
partition->previousPartition = headerPartition->previousPartition;
partition->footerPartition = headerPartition->footerPartition;
partition->headerByteCount = headerPartition->headerByteCount;
partition->indexByteCount = headerPartition->indexByteCount;
partition->indexSID = headerPartition->indexSID;
partition->bodyOffset = headerPartition->bodyOffset;
partition->bodySID = headerPartition->bodySID;
/* add partition to list */
if (!mxf_append_list_element(partitions, partition))
{
mxf_free_partition(&partition);
mxf_log_error("Failed to append header partition to list" LOG_LOC_FORMAT, LOG_LOC_PARAMS);
return 0;
}
return 1;
}
