void AvidMJPEGTrack::WriteVBEIndexTable(Partition *partition)
{
KAGFillerWriter kag_filler_writer(partition);
partition->markIndexStart(mMXFFile);
IndexTableSegment segment;
segment.setIndexEditRate(mDescriptorHelper->GetSampleRate());
segment.setIndexSID(mIndexSID);
segment.setBodySID(mBodySID);
segment.setEditUnitByteCount(0);
uint32_t num_index_entries = mIndexSegment.GetSize() / INDEX_ENTRY_SIZE;
BMX_ASSERT(num_index_entries >= 1);
int64_t index_duration = num_index_entries - 1;
mxfUUID uuid;
mxf_generate_uuid(&uuid);
segment.setInstanceUID(uuid);
segment.setIndexStartPosition(0);
segment.setIndexDuration(index_duration);
segment.writeHeader(mMXFFile, 0, num_index_entries);
// Avid ignores the 16-bit llen and uses the number of index entries (uint32) instead
segment.writeAvidIndexEntryArrayHeader(mMXFFile, 0, 0, num_index_entries);
mMXFFile->write(mIndexSegment.GetBytes(), mIndexSegment.GetSize());
kag_filler_writer.write(mMXFFile);
partition->markIndexEnd(mMXFFile);
}
void AS02MPEG2LGTrack::WriteVBEIndexTable(Partition *partition)
{
if (mIndexSegments.empty())
return;
partition->markIndexStart(mMXFFile);
IndexTableSegment segment;
segment.setIndexEditRate(mDescriptorHelper->GetSampleRate());
segment.setIndexSID(mIndexSID);
segment.setBodySID(mBodySID);
segment.setEditUnitByteCount(0);
int64_t index_start_position = mIndexStartPosition;
uint32_t index_duration;
mxfUUID uuid;
size_t i;
for (i = 0; i < mIndexSegments.size(); i++) {
index_duration = mIndexSegments[i]->GetSize() / INDEX_ENTRY_SIZE;
mxf_generate_uuid(&uuid);
segment.setInstanceUID(uuid);
segment.setIndexStartPosition(index_start_position);
segment.setIndexDuration(index_duration);
segment.writeHeader(mMXFFile, 1, index_duration);
segment.writeDeltaEntryArrayHeader(mMXFFile, 1);
segment.writeDeltaEntry(mMXFFile, -1, 0, 0);
segment.writeIndexEntryArrayHeader(mMXFFile, 0, 0, index_duration);
mMXFFile->write(mIndexSegments[i]->GetBytes(), mIndexSegments[i]->GetSize());
delete mIndexSegments[i];
index_start_position += index_duration;
}
mIndexSegments.clear();
mIndexStartPosition = index_start_position;
partition->fillToKag(mMXFFile);
partition->markIndexEnd(mMXFFile);
}