public MXFANCPacket(MXFReader reader)
: base(reader)
{
this.LineNumber = reader.ReadW();
this.WrappingType = (MXFANCWrappingType)reader.ReadB();
this.PayloadSamplingCoding = (MXFANCPayloadCoding)reader.ReadB();
this.PayloadSampleCount = reader.ReadW();
this.Length = this.PayloadSampleCount;
if (this.PayloadSamplingCoding == MXFANCPayloadCoding.Coding_10_bit_luma_samples ||
this.PayloadSamplingCoding == MXFANCPayloadCoding.Coding_10_bit_color_difference_samples ||
this.PayloadSamplingCoding == MXFANCPayloadCoding.Coding_10_bit_luma_and_color_difference_samples)
{
this.Length = 4 * (this.PayloadSampleCount / 3); // 3 samples are stored in 4 bytes
}
// Skip 8 bytes (seems to be data but cannot find any meaning in the spec!)
UInt32 unknownData1 = reader.ReadD();
UInt32 unknownData2 = reader.ReadD();
// Length Alignment
this.Length = 4 * ((this.Length + 3) / 4);
if (this.Length > 3)
{
// Read the DID
this.DID = reader.ReadB();
this.SDID = reader.ReadB();
this.Size = reader.ReadB();
UInt16 combinedID = (UInt16)((((UInt16)this.DID) << 8) | this.SDID);
if (m_DIDDescription.ContainsKey(combinedID))
{
this.ContentDescription = m_DIDDescription[combinedID];
}
else
{
this.ContentDescription = "<unknown content>";
}
switch (combinedID)
{
case 0x6101: // CDP
this.AddChild(new MXFCDPPacket(reader));
break;
case 0x4105: // AFD
break;
case 0x4302: // OP47
break;
default:
// Read the real payload without the did/sdid/size
this.Payload = new byte[this.Length - 3];
reader.Read(this.Payload, this.Length - 3);
break;
}
}
}
public MXFLocalTag(MXFReader reader)
: base(reader)
{
this.Tag = reader.ReadW();
this.Size = reader.ReadW();
this.DataOffset = reader.Position;
this.Length = this.Size;
}
public MXFSystemItem(MXFReader reader, MXFKLV headerKLV)
: base(headerKLV, "SystemItem (CP)", KeyType.SystemItem)
{
this.m_eType = MXFObjectType.SystemItem;
if (this.Key[12] == 0x14)
{
this.Key.Name = "SystemItem (GC)";
}
reader.Seek(this.DataOffset); // Seek to the start of the data
// Parse system bitmap
this.SystemBitmap = (SystemBitmap)reader.ReadB();
// Parse Content package rate
byte rate = reader.ReadB();
int rateIndex = (rate & 0x1E) >> 1;
int[] rates = new int[16] {
0, 24, 25, 30, 48, 50, 60, 72, 75, 90, 96, 100, 120, 0, 0, 0
};
int rateNonDrop = 1;
if (rateIndex < 16)
{
rateNonDrop = rates[rateIndex];
}
this.PackageRate = rateNonDrop;
if ((rate & 0x01) == 0x01) // 1.001 divider active?
{
this.PackageRate = this.PackageRate / 1.001;
}
// Parse Content Package Type
byte type = reader.ReadB();
this.StreamStatus = (SystemStreamStatus)((type & 0xE0) >> 5);
this.LowLatencyMode = ((type & 0x10) == 0x10);
this.TransferMode = (SystemTransferMode)((type & 0x0C) >> 2);
this.TimingMode = (SystemTimingMode)(type & 0x03);
this.ChannelHandle = reader.ReadW();
this.ContinuityCount = reader.ReadW();
this.SMPTE = new MXFRefKey(reader, 16, "SMPTE"); // Always read even if zero
MXFTimeStamp creationTimeStamp = reader.ReadBCDTimeCode(this.PackageRate);
this.CreationDate = creationTimeStamp.ToString();
this.UserDate = reader.ReadBCDTimeCode(this.PackageRate);
this.UserDateFullFrameNb = this.UserDate.GetString(true);
}
/// <summary>
/// Overridden method to process local tags
/// </summary>
/// <param name="localTag"></param>
protected override bool ParseLocalTag(MXFReader reader, MXFLocalTag localTag)
{
switch (localTag.Tag)
{
case 0x3D0D: this.Emphasis = reader.ReadB(); return(true);
case 0x3D0F: this.BlockStartOffset = reader.ReadW(); return(true);
case 0x3D08: this.AuxiliaryBitsMode = reader.ReadB(); return(true);
case 0x3D10:
this.ChannelStatusMode = new byte[localTag.Size];
reader.Read(this.ChannelStatusMode, localTag.Size);
return(true);
case 0x3D11:
this.FixedChannelStatusData = new byte[localTag.Size];
reader.Read(this.FixedChannelStatusData, localTag.Size);
return(true);
case 0x3D12:
this.UserDataMode = new byte[localTag.Size];
reader.Read(this.UserDataMode, localTag.Size);
return(true);
case 0x3D13:
this.FixedUserData = new byte[localTag.Size];
reader.Read(this.FixedUserData, localTag.Size);
return(true);
}
return(base.ParseLocalTag(reader, localTag));
}
/// <summary>
/// Parse this tag
/// </summary>
/// <param name="reader"></param>
public void Parse(MXFReader reader)
{
if (this.Size == 1)
{
this.Value = reader.ReadB();
}
else if (this.Size == 2)
{
this.Value = reader.ReadW();
}
else if (this.Size == 4)
{
this.Value = reader.ReadD();
}
else if (this.Size == 8)
{
this.Value = reader.ReadL();
}
else
{
byte[] data = new byte[this.Size];
for (int n = 0; n < this.Size; n++)
{
data[n] = reader.ReadB();
}
this.Value = data;
}
}
/// <summary>
/// Overridden method to process local tags
/// </summary>
/// <param name="localTag"></param>
protected override bool ParseLocalTag(MXFReader reader, MXFLocalTag localTag)
{
switch (localTag.Tag)
{
case 0x3301: this.ComponentDepth = reader.ReadD(); return(true);
case 0x3302: this.HorizontalSubsampling = reader.ReadD(); return(true);
case 0x3308: this.VerticalSubsampling = reader.ReadD(); return(true);
case 0x3303: this.ColorSiting = reader.ReadB(); return(true);
case 0x330B: this.ReversedByteOrder = reader.ReadBool(); return(true);
case 0x3307: this.PaddingBits = (Int16)reader.ReadW(); return(true);
case 0x3309: this.AlphaSampleDepth = reader.ReadD(); return(true);
case 0x3304: this.BlackRefLevel = reader.ReadD(); return(true);
case 0x3305: this.WhiteRefLevel = reader.ReadD(); return(true);
case 0x3306: this.ColorRange = reader.ReadD(); return(true);
}
return(base.ParseLocalTag(reader, localTag));
}
/// <summary>
/// Overridden method to process local tags
/// </summary>
/// <param name="localTag"></param>
protected override bool ParseLocalTag(MXFReader reader, MXFLocalTag localTag)
{
switch (localTag.Tag)
{
case 0x3D0A: this.BlockAlign = reader.ReadW(); return(true);
case 0x3D0B: this.SequenceOffset = reader.ReadB(); return(true);
case 0x3D09: this.AveragesBytesPerSecond = reader.ReadD(); return(true);
case 0x3D32: this.ChannelAssignment = reader.ReadKey(); return(true);
case 0x3D29: this.PeakEnvelopeVersion = reader.ReadD(); return(true);
case 0x3D2A: this.PeakEnvelopeFormat = reader.ReadD(); return(true);
case 0x3D2B: this.PointsPerPeakValue = reader.ReadD(); return(true);
case 0x3D2C: this.PeakEnvelopeBlockSize = reader.ReadD(); return(true);
case 0x3D2D: this.PeakChannels = reader.ReadD(); return(true);
case 0x3D2E: this.PeakFrames = reader.ReadD(); return(true);
case 0x3D2F: this.PeakOfPeaksPosition = reader.ReadL(); return(true);
case 0x3D30: this.PeakEnvelopeTimestamp = reader.ReadTimestamp(); return(true);
case 0x3D31:
this.PeakEnvelopeData = new byte[localTag.Size];
reader.Read(this.PeakEnvelopeData, localTag.Size);
return(true);
}
return(base.ParseLocalTag(reader, localTag));
}
public MXFEntryPrimer(MXFReader reader)
: base(reader)
{
this.Offset = reader.Position;
this.LocalTag = reader.ReadW();
this.AliasUID = new MXFRefKey(reader, 16, "AliasUID");
this.Length = 20; // Fixed length
}
public MXFANCFrameElement(MXFReader reader, MXFKLV headerKLV)
: base(reader, headerKLV)
{
UInt16 nofPackets = reader.ReadW();
for (int n = 0; n < nofPackets; n++)
{
MXFANCPacket newpacket = new MXFANCPacket(reader);
this.AddChild(newpacket);
}
}
/// <summary>
/// Overridden method to process local tags
/// </summary>
/// <param name="localTag"></param>
protected override bool ParseLocalTag(MXFReader reader, MXFLocalTag localTag)
{
switch (localTag.Tag)
{
case 0x1501: this.StartTimecode = reader.ReadL(); return(true);
case 0x1502: this.RoundedTimecodeBase = reader.ReadW(); return(true);
case 0x1503: this.DropFrame = (reader.ReadB() != 0); return(true);
}
return(base.ParseLocalTag(reader, localTag));
}
public MXFPackageMetaData(MXFReader reader, MXFKLV headerKLV)
: base(headerKLV, "PackageMetadata", KeyType.PackageMetaDataSet)
{
this.m_eType = MXFObjectType.Essence; // I will count this as essence data
if (this.Key[5] == 0x63)
{
nofSizeSize = 4;
}
switch (this.Key[14])
{
case 0x02: this.Key.Name = "Package Metadata set"; break;
case 0x03: this.Key.Name = "Picture Metadata set"; break;
case 0x04: this.Key.Name = "Sound Metadata set"; break;
case 0x05: this.Key.Name = "Data Metadata set"; break;
case 0x06: this.Key.Name = "Control Metadata set"; break;
}
reader.Seek(this.DataOffset); // Seek to the start of the data
long end = this.DataOffset + this.Length;
while (reader.Position < end)
{
byte type = reader.ReadB();
UInt32 size = 0;
if (nofSizeSize == 2)
{
size = reader.ReadW();
}
else
{
size = reader.ReadD();
}
long startPos = reader.Position;
if (m_itemTypes.ContainsKey(type))
{
this.AddChild(new MXFData(m_itemTypes[type], reader, size));
}
reader.Seek(startPos + size);
}
}
/// <summary>
/// Overridden method to process local tags
/// </summary>
/// <param name="localTag"></param>
protected override bool ParseLocalTag(MXFReader reader, MXFLocalTag localTag)
{
switch (localTag.Tag)
{
case 0x3406: this.ComponentMaxRef = reader.ReadD(); return(true);
case 0x3407: this.ComponentMinRef = reader.ReadD(); return(true);
case 0x3408: this.AlphaMaxRef = reader.ReadD(); return(true);
case 0x3409: this.AlphaMinRef = reader.ReadD(); return(true);
case 0x3405: this.ScanningDirection = reader.ReadB(); return(true);
case 0x3401: this.PixelLayout = reader.ReadW(); return(true);
case 0x3403: this.Palette = reader.ReadS(localTag.Size); return(true); // TODO
case 0x3404: this.PaletteLayout = reader.ReadS(localTag.Size); return(true); // TODO
}
return(base.ParseLocalTag(reader, localTag));
}
/// <summary>
/// Overridden method to process local tags
/// </summary>
/// <param name="localTag"></param>
protected override bool ParseLocalTag(MXFReader reader, MXFLocalTag localTag)
{
switch (localTag.Tag)
{
case 0x3B02: this.LastModificationDate = reader.ReadTimestamp(); return(true);
case 0x3B05: this.Version = reader.ReadW(); return(true);
case 0x3B07: this.ObjectModelVersion = reader.ReadD(); return(true);
case 0x3B03: this.ContentStorageUID = new MXFRefKey(reader, 16, "ContentStorageUID"); return(true);
case 0x3B08: this.PrimaryPackageUID = new MXFRefKey(reader, 16, "PrimaryPackageUID"); return(true);
case 0x3B09: this.OperationalPattern = new MXFKey(reader, 16); return(true);
case 0x3B06: ReadKeyList(reader, "Identifications", "Identification"); return(true);
case 0x3B0A: ReadKeyList(reader, "Essencecontainers", "Essencecontainer"); return(true);
case 0x3B0B: ReadKeyList(reader, "Descriptive Metadata Schemes", "DM scheme"); return(true);
}
return(base.ParseLocalTag(reader, localTag));
}
public MXFCDPPacket(MXFReader reader)
: base(reader)
{
UInt16 identifier = reader.ReadW();
if (identifier == 0x9669)
{
this.Length = reader.ReadB();
this.FrameRateE = (MXFCDFFrameRate)((reader.ReadB() & 0xF0) >> 4);
switch (this.FrameRateE)
{
case MXFCDFFrameRate.Rate_24: this.FrameRate = 24; break;
case MXFCDFFrameRate.Rate_24000_1001: this.FrameRate = 24000.0 / 1001.0; break;
case MXFCDFFrameRate.Rate_25: this.FrameRate = 25; break;
case MXFCDFFrameRate.Rate_30: this.FrameRate = 30; break;
case MXFCDFFrameRate.Rate_30000_1001: this.FrameRate = 30000.0 / 1001.0; break;
case MXFCDFFrameRate.Rate_50: this.FrameRate = 50; break;
case MXFCDFFrameRate.Rate_60: this.FrameRate = 60; break;
case MXFCDFFrameRate.Rate_60000_1001: this.FrameRate = 60000.0 / 1001.0; break;
}
byte options = reader.ReadB();
this.TimeCodePresent = ((options & 0x80) != 0);
this.CCDataPresent = ((options & 0x40) != 0);
this.SVCInfoPresent = ((options & 0x20) != 0);
this.SVCInfoStart = ((options & 0x10) != 0);
this.SVCInfoChange = ((options & 0x08) != 0);
this.SVCInfoComplete = ((options & 0x04) != 0);
this.CaptionServiceActive = ((options & 0x02) != 0);
this.SequenceCounter = reader.ReadW();
byte count = 0;
long endPos = this.Offset + this.Length;
while (reader.Position < endPos)
{
identifier = reader.ReadB();
switch (identifier)
{
case 0x71:
this.TimeCode = new MXFTimeStamp();
this.TimeCode.ParseSMPTE12M(reader, this.FrameRate.Value);
break;
case 0x72:
count = (byte)(reader.ReadB() & 0x1F);
for (int n = 0; n < count; n++)
{
this.AddChild(new MXFEntryCCData(reader));
}
break;
case 0x73:
count = (byte)(reader.ReadB() & 0x0F);
for (int n = 0; n < count; n++)
{
this.AddChild(new MXFEntrySVCInfo(reader));
}
break;
case 0x74:
this.AddChild(new MXFCDPFooter(reader));
break;
default:
this.AddChild(new MXFCDPFuture(reader, (byte)identifier));
break;
}
}
}
}
public MXFCDPFooter(MXFReader reader)
: base(reader)
{
this.SequenceCounter = reader.ReadW();
this.PacketChecksum = reader.ReadB();
}
