/// <summary>
/// Parse the section.
/// </summary>
/// <param name="byteData">The MPEG2 section containing the section.</param>
/// <param name="mpeg2Header">The MPEG2 header that preceedes the section.</param>
internal void Process(byte[] byteData, Mpeg2ExtendedHeader mpeg2Header)
{
lastIndex = mpeg2Header.Index;
int descriptorLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];
lastIndex += 2;
if (descriptorLength != 0)
{
descriptors = new Collection <DescriptorBase>();
while (descriptorLength > 0)
{
DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex);
if (!descriptor.IsEmpty)
{
descriptors.Add(descriptor);
lastIndex = descriptor.Index;
descriptorLength -= descriptor.TotalLength;
}
else
{
lastIndex += DescriptorBase.MinimumDescriptorLength;
descriptorLength -= DescriptorBase.MinimumDescriptorLength;
}
}
}
}
/// <summary>
/// Parse the section.
/// </summary>
/// <param name="byteData">The MPEG2 section containing the section.</param>
/// <param name="mpeg2Header">The MPEG2 header that preceedes the section.</param>
internal void Process(byte[] byteData, Mpeg2ExtendedHeader mpeg2Header)
{
lastIndex = mpeg2Header.Index;
bouquetID = mpeg2Header.TableIDExtension;
sectionNumber = mpeg2Header.SectionNumber;
lastSectionNumber = mpeg2Header.LastSectionNumber;
int bouquetDescriptorLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];
lastIndex += 2;
if (bouquetDescriptorLength != 0)
{
bouquetDescriptors = new Collection <DescriptorBase>();
while (bouquetDescriptorLength > 0)
{
DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex, Scope.Bouquet);
if (!descriptor.IsEmpty)
{
bouquetDescriptors.Add(descriptor);
lastIndex = descriptor.Index;
bouquetDescriptorLength -= descriptor.TotalLength;
}
else
{
lastIndex += DescriptorBase.MinimumDescriptorLength;
bouquetDescriptorLength -= DescriptorBase.MinimumDescriptorLength;
}
}
}
int transportStreamLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];
lastIndex += 2;
if (transportStreamLoopLength != 0)
{
transportStreams = new Collection <TransportStream>();
while (transportStreamLoopLength > 0)
{
TransportStream transportStream = new TransportStream();
transportStream.Process(byteData, lastIndex, Scope.Bouquet);
transportStreams.Add(transportStream);
lastIndex = transportStream.Index;
transportStreamLoopLength -= transportStream.TotalLength;
}
}
lastIndex += transportStreamLoopLength;
}
/// <summary>
/// Parse the service description.
/// </summary>
/// <param name="byteData">The MPEG2 section containing the service description.</param>
/// <param name="index">Index of the first byte of the service description in the MPEG2 section.</param>
internal void Process(byte[] byteData, int index)
{
lastIndex = index;
try
{
serviceID = Utils.Convert2BytesToInt(byteData, lastIndex);
lastIndex += 2;
eitSchedule = ((int)byteData[lastIndex] & 0x02) != 0;
eitPresentFollowing = ((int)byteData[lastIndex] & 0x01) != 0;
lastIndex++;
runningStatus = (int)(byteData[lastIndex] >> 5);
scrambled = ((int)byteData[lastIndex] & 0x10) >> 4 == 1;
int descriptorLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + (int)byteData[lastIndex + 1];
lastIndex += 2;
while (descriptorLoopLength != 0)
{
DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex, Scope.ServiceDescripton);
if (!descriptor.IsEmpty)
{
if (descriptor as DVBServiceDescriptor != null)
{
serviceDescriptor = descriptor as DVBServiceDescriptor;
}
else
{
if (descriptor as ServiceChannelDescriptor != null)
{
serviceChannelDescriptor = descriptor as ServiceChannelDescriptor;
}
}
lastIndex = descriptor.Index;
descriptorLoopLength -= descriptor.TotalLength;
}
else
{
lastIndex += DescriptorBase.MinimumDescriptorLength;
descriptorLoopLength -= DescriptorBase.MinimumDescriptorLength;
}
}
Validate();
}
catch (IndexOutOfRangeException)
{
throw (new ArgumentOutOfRangeException("The DVB Service Description message is short"));
}
}
/// <summary>
/// Parse the section.
/// </summary>
/// <param name="byteData">The MPEG2 section containing the section.</param>
/// <param name="mpeg2Header">The MPEG2 header that preceedes the section.</param>
internal void Process(byte[] byteData, Mpeg2ExtendedHeader mpeg2Header)
{
lastIndex = mpeg2Header.Index;
serviceID = mpeg2Header.TableIDExtension;
pcrPID = ((byteData[lastIndex] & 0x1f) * 256) + byteData[lastIndex + 1];
lastIndex += 2;
int programInfoLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];
lastIndex += 2;
if (programInfoLength != 0)
{
while (programInfoLength > 0)
{
descriptors = new Collection <DescriptorBase>();
while (programInfoLength > 0)
{
DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex);
if (!descriptor.IsEmpty)
{
descriptors.Add(descriptor);
lastIndex += descriptor.TotalLength;
programInfoLength -= descriptor.TotalLength;
}
else
{
lastIndex += DescriptorBase.MinimumDescriptorLength;
programInfoLength -= DescriptorBase.MinimumDescriptorLength;
}
}
}
}
streamInfos = new Collection <StreamInfo>();
while (lastIndex < byteData.Length - 4)
{
StreamInfo streamInfo = new StreamInfo();
streamInfo.Process(byteData, lastIndex);
streamInfos.Add(streamInfo);
lastIndex = streamInfo.Index;
}
Validate();
}
/// <summary>
/// Parse the entry.
/// </summary>
/// <param name="byteData">The MPEG2 section containing the entry.</param>
/// <param name="index">Index of the event identification byte in the MPEG2 section.</param>
public void Process(byte[] byteData, int index)
{
lastIndex = index;
try
{
eventID = Utils.Convert2BytesToInt(byteData, lastIndex);
lastIndex += 2;
getStartTime(byteData, lastIndex);
lastIndex += 5;
getDuration(byteData, lastIndex);
lastIndex += 3;
runningStatus = (int)(byteData[lastIndex] >> 5);
scrambled = ((int)byteData[lastIndex] & 0x10) >> 4 == 1;
int descriptorLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + (int)byteData[lastIndex + 1];
lastIndex += 2;
while (descriptorLoopLength != 0)
{
DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex);
if (!descriptor.IsEmpty)
{
processDescriptor(descriptor);
descriptor.LogMessage();
lastIndex = descriptor.Index;
descriptorLoopLength -= descriptor.TotalLength;
}
else
{
lastIndex += DescriptorBase.MinimumDescriptorLength;
descriptorLoopLength -= DescriptorBase.MinimumDescriptorLength;
}
}
Validate();
}
catch (IndexOutOfRangeException)
{
throw (new ArgumentOutOfRangeException("The EIT message is short"));
}
}
/// <summary>
/// Parse the entry.
/// </summary>
/// <param name="byteData">The MPEG2 section containing the transport stream.</param>
/// <param name="index">Index of the first byte of the transport stream in the MPEG2 section.</param>
/// <param name="scope">The scope of the processing..</param>
internal void Process(byte[] byteData, int index, Scope scope)
{
lastIndex = index;
try
{
transportStreamID = Utils.Convert2BytesToInt(byteData, lastIndex);
lastIndex += 2;
originalNetworkID = Utils.Convert2BytesToInt(byteData, lastIndex);
lastIndex += 2;
int descriptorLoopLength = ((byteData[lastIndex] & 0x0f) * 256) + (int)byteData[lastIndex + 1];
lastIndex += 2;
totalLength = descriptorLoopLength + 6;
if (descriptorLoopLength != 0)
{
descriptors = new Collection <DescriptorBase>();
while (descriptorLoopLength != 0)
{
DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex, scope);
if (!descriptor.IsEmpty)
{
descriptors.Add(descriptor);
lastIndex = descriptor.Index;
descriptorLoopLength -= descriptor.TotalLength;
}
else
{
lastIndex += DescriptorBase.MinimumDescriptorLength;
descriptorLoopLength -= DescriptorBase.MinimumDescriptorLength;
}
}
}
Validate();
}
catch (IndexOutOfRangeException)
{
throw (new ArgumentOutOfRangeException("The DVB Transport Stream message is short"));
}
}
/// <summary>
/// Parse the stream information.
/// </summary>
/// <param name="byteData">The MPEG2 section containing the stream information.</param>
/// <param name="index">Index of the first byte of the stream information in the MPEG2 section.</param>
internal void Process(byte[] byteData, int index)
{
lastIndex = index;
try
{
streamType = (int)byteData[lastIndex];
lastIndex++;
programID = ((byteData[lastIndex] & 0x1f) * 256) + byteData[lastIndex + 1];
lastIndex += 2;
int esInfoLength = ((byteData[lastIndex] & 0x0f) * 256) + byteData[lastIndex + 1];
lastIndex += 2;
if (esInfoLength != 0)
{
descriptors = new Collection <DescriptorBase>();
while (esInfoLength > 0)
{
DescriptorBase descriptor = DescriptorBase.Instance(byteData, lastIndex);
if (!descriptor.IsEmpty)
{
descriptors.Add(descriptor);
lastIndex += descriptor.TotalLength;
esInfoLength -= descriptor.TotalLength;
}
else
{
lastIndex += DescriptorBase.MinimumDescriptorLength;
esInfoLength -= DescriptorBase.MinimumDescriptorLength;
}
}
}
Validate();
}
catch (IndexOutOfRangeException)
{
throw (new ArgumentOutOfRangeException("The DVB Stream Info message is short"));
}
}
