/// <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));
}
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;
}
}
}
/// <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 MXFCDPFuture(MXFReader reader, byte sectionID)
: base(reader)
{
this.SectionID = sectionID;
this.Length = reader.ReadB();
this.Data = new byte[this.Length];
reader.Read(this.Data, this.Length);
}
public MXFEntrySVCInfo(MXFReader reader)
: base(reader)
{
this.Length = 7; // Fixed
byte b0 = reader.ReadB();
if ((b0 & 0x40) != 0)
{
this.CaptionServiceNumber = (byte)(b0 & 0x1F);
}
else
{
this.CaptionServiceNumber = (byte)(b0 & 0x3F);
}
this.Data = new byte[6];
reader.Read(this.Data, 6);
this.DataString = System.Text.Encoding.ASCII.GetString(this.Data);
}
