/// <summary>
/// Read a list of keys
/// </summary>
/// <param name="reader"></param>
/// <param name="categoryName"></param>
/// <returns></returns>
protected UInt32 ReadKeyList(MXFReader reader, string categoryName, string singleItem)
{
UInt32 nofItems = reader.ReadD();
UInt32 objectSize = reader.ReadD(); // useless size of objects, always 16 according to specs
MXFObject keylist = new MXFObject(categoryName, reader.Position);
if (nofItems < UInt32.MaxValue)
{
for (int n = 0; n < nofItems; n++)
{
MXFRefKey key = new MXFRefKey(reader, objectSize, singleItem);
keylist.AddChild(key);
}
}
this.AddChild(keylist);
return(nofItems);
}
/// <summary>
/// Overridden method to process local tags
/// </summary>
/// <param name="localTag"></param>
protected override bool ParseLocalTag(MXFReader reader, MXFLocalTag localTag)
{
switch (localTag.Tag)
{
case 0x3F05: this.EditUnitByteCount = reader.ReadD(); return(true);
case 0x3F06: this.IndexSID = reader.ReadD(); return(true);
case 0x3F07: this.BodySID = reader.ReadD(); return(true);
case 0x3F0C: this.IndexStartPosition = reader.ReadL(); return(true);
case 0x3F0D: this.IndexDuration = reader.ReadL(); return(true);
case 0x3F0B:
this.IndexEditRateNum = reader.ReadD();
this.IndexEditRateDen = reader.ReadD();
return(true);
case 0x3F0A: // Index entry array
{
this.NbIndexEntries = reader.ReadD();
UInt32 entryLength = reader.ReadD();
if (this.NbIndexEntries > 0)
{
MXFObject indexCollection = this.AddChild("IndexEntries");
for (UInt64 i = 0; i < this.NbIndexEntries; i++)
{
long next = reader.Position + entryLength;
indexCollection.AddChild(new MXFIndexEntry(this.IndexStartPosition + i, reader));
reader.Seek(next);
}
}
}
return(true);
case 0x3F09: // Delta entry array
{
this.NbDeltaEntries = reader.ReadD();
UInt32 entryLength = reader.ReadD();
if (this.NbDeltaEntries > 0)
{
MXFObject deltaCollection = this.AddChild("DeltaEntries");
for (int i = 0; i < this.NbDeltaEntries; i++)
{
long next = reader.Position + entryLength;
deltaCollection.AddChild(new MXFDeltaEntry(reader));
reader.Seek(next);
}
}
}
return(true);
}
return(false); // Not parsed, use default parsing
}