void MatroskaImport::ImportCluster(KaxCluster &cluster, bool addToTrack)
{
KaxSegment & segment = *static_cast<KaxSegment *>(el_l0);
KaxClusterTimecode & clusterTime = GetChild<KaxClusterTimecode>(cluster);
CXXAutoreleasePool pool;
cluster.SetParent(segment);
cluster.InitTimecode(uint64(clusterTime), timecodeScale);
for (int i = 0; i < cluster.ListSize(); i++) {
const EbmlId & elementID = EbmlId(*cluster[i]);
KaxInternalBlock *block = NULL;
uint32_t duration = 0; // set to track's default duration in AddBlock if 0
short flags = 0;
if (elementID == KaxBlockGroup::ClassInfos.GlobalId) {
KaxBlockGroup & blockGroup = *static_cast<KaxBlockGroup *>(cluster[i]);
KaxBlockDuration & blkDuration = GetChild<KaxBlockDuration>(blockGroup);
block = &GetChild<KaxBlock>(blockGroup);
if (blkDuration.ValueIsSet())
duration = uint32(blkDuration);
flags = blockGroup.ReferenceCount() > 0 ? mediaSampleNotSync : 0;
} else if (elementID == KaxSimpleBlock::ClassInfos.GlobalId) {
KaxSimpleBlock & simpleBlock = *static_cast<KaxSimpleBlock *>(cluster[i]);
block = &simpleBlock;
if (!simpleBlock.IsKeyframe())
flags |= mediaSampleNotSync;
if (simpleBlock.IsDiscardable() && IsFrameDroppingEnabled())
flags |= mediaSampleDroppable;
}
if (block) {
block->SetParent(cluster);
for (int i = 0; i < tracks.size(); i++) {
if (tracks[i].number == block->TrackNum()) {
tracks[i].AddBlock(*block, duration, flags);
break;
}
}
}
}
if (addToTrack) {
for (int i = 0; i < tracks.size(); i++)
tracks[i].AddSamplesToTrack();
loadState = kMovieLoadStatePlayable;
}
}
