private void ProcessFileForServiceNames(string sourceFileName)
{
const int readFragmentSize = 1316;
var stream = File.Open(sourceFileName, FileMode.Open);
if (stream == null)
{
Assert.Fail("Unable to read test file: " + sourceFileName);
}
var data = new byte[readFragmentSize];
var readCount = stream.Read(data, 0, readFragmentSize);
var decoder = new TsDecoder.TransportStream.TsDecoder();
decoder.TableChangeDetected += Decoder_TableChangeDetected;
while (readCount > 0)
{
try
{
if (readCount < readFragmentSize)
{
var tmpArr = new byte[readCount];
Buffer.BlockCopy(data, 0, tmpArr, 0, readCount);
data = new byte[readCount];
Buffer.BlockCopy(tmpArr, 0, data, 0, readCount);
}
decoder.AddData(data);
if (decoder.ServiceDescriptionTable?.ItemsIncomplete == false)
{
Console.WriteLine($"Terminating read at position {stream.Position} after detection of embedded service names completed.");
break;
}
if (stream.Position < stream.Length)
{
readCount = stream.Read(data, 0, readFragmentSize);
}
else
{
Assert.Fail("Reached end of file without completing SDT scan");
}
}
catch (Exception ex)
{
Assert.Fail($"Problem reading file: {ex.Message}");
}
}
}
private static void ProcessFileForDescriptors(string sourceFileName)
{
const int readFragmentSize = 1316;
var stream = File.Open(sourceFileName, FileMode.Open);
if (stream == null)
{
Assert.Fail("Unable to read test file: " + sourceFileName);
}
var data = new byte[readFragmentSize];
var readCount = stream.Read(data, 0, readFragmentSize);
var decoder = new TsDecoder.TransportStream.TsDecoder();
while (readCount > 0)
{
try
{
if (readCount < readFragmentSize)
{
var tmpArr = new byte[readCount];
Buffer.BlockCopy(data, 0, tmpArr, 0, readCount);
data = new byte[readCount];
Buffer.BlockCopy(tmpArr, 0, data, 0, readCount);
}
decoder.AddData(data);
if (decoder.ServiceDescriptionTable != null && decoder.ServiceDescriptionTable.ItemsIncomplete != true)
{
if (decoder.ServiceDescriptionTable.TableId != 0x42)
{
continue;
}
foreach (var program in decoder.ProgramMapTables)
{
Console.WriteLine(decoder.GetServiceDescriptorForProgramNumber(program.ProgramNumber).ServiceName);
foreach (var esStream in program.EsStreams)
{
Console.WriteLine($"\t0x{esStream.ElementaryPid:X4} - {DescriptorDictionaries.ShortElementaryStreamTypeDescriptions[esStream.StreamType]}");
//only check type 6 privately defined streams
if (esStream.StreamType != 6)
{
continue;
}
foreach (var desc in esStream.Descriptors)
{
if (desc is ExtendedEventDescriptor)
{
var extDesc = desc as ExtendedEventDescriptor;
Console.WriteLine($"{extDesc.TextChar.Value}");
}
else
{
Console.WriteLine($"\t {desc}");
}
}
}
}
return;
}
if (stream.Position < stream.Length)
{
readCount = stream.Read(data, 0, readFragmentSize);
}
else
{
Assert.Fail("Reached end of file without completing descriptor scan");
}
}
catch (Exception ex)
{
Assert.Fail($"Problem reading file: {ex.Message}");
}
}
}
private void ProcessFileForStreams(string sourceFileName)
{
const int readFragmentSize = 1316;
var stream = File.Open(sourceFileName, FileMode.Open);
if (stream == null)
{
Assert.Fail("Unable to read test file: " + sourceFileName);
}
var data = new byte[readFragmentSize];
var readCount = stream.Read(data, 0, readFragmentSize);
var decoder = new TsDecoder.TransportStream.TsDecoder();
while (readCount > 0)
{
try
{
if (readCount < readFragmentSize)
{
var tmpArr = new byte[readCount];
Buffer.BlockCopy(data, 0, tmpArr, 0, readCount);
data = new byte[readCount];
Buffer.BlockCopy(tmpArr, 0, data, 0, readCount);
}
decoder.AddData(data);
if (decoder.ProgramMapTables != null && decoder.ProgramMapTables.Count > 0)
{
foreach (var esStream in decoder.ProgramMapTables[0].EsStreams)
{
Console.WriteLine($"0x{esStream.ElementaryPid:X4} - {DescriptorDictionaries.ShortElementaryStreamTypeDescriptions[esStream.StreamType]}");
//only check type 6 privately defined streams
if (esStream.StreamType != 6)
{
continue;
}
var lang = esStream.Descriptors.OfType <Iso639LanguageDescriptor>().FirstOrDefault()?.Language;
if (esStream.Descriptors.OfType <RegistrationDescriptor>().FirstOrDefault() != null)
{
var regDesc = esStream.Descriptors.OfType <RegistrationDescriptor>().First();
var msg = $"0x{esStream.ElementaryPid:X4} - {regDesc.Name} Descriptor: {regDesc.Organization}";
Console.WriteLine(msg);
}
if (esStream.Descriptors.OfType <Ac3Descriptor>().FirstOrDefault() != null)
{
var msg = $"0x{esStream.ElementaryPid:X4} - AC3 Audio";
if (!string.IsNullOrWhiteSpace(lang))
{
msg += $" [{lang}]";
}
Console.WriteLine(msg);
}
if (esStream.Descriptors.OfType <Eac3Descriptor>().FirstOrDefault() != null)
{
var msg = $"0x{esStream.ElementaryPid:X4} - EAC3 Audio";
if (!string.IsNullOrWhiteSpace(lang))
{
msg += $" [{lang}]";
}
Console.WriteLine(msg);
}
if (esStream.Descriptors.OfType <SubtitlingDescriptor>().FirstOrDefault() != null)
{
var subDesc = esStream.Descriptors.OfType <SubtitlingDescriptor>().First();
var msg = $"0x{esStream.ElementaryPid:X4} - DVB Subtitles";
foreach (var language in subDesc.Languages)
{
msg += $" [{language.Iso639LanguageCode}/{language.SubtitlingType}]";
}
Console.WriteLine(msg);
}
if (esStream.Descriptors.OfType <TeletextDescriptor>().FirstOrDefault() != null)
{
var ttxDesc = esStream.Descriptors.OfType <TeletextDescriptor>().First();
var msg = $"0x{esStream.ElementaryPid:X4} - Teletext Subtitles";
var foundSubs = false;
foreach (var language in ttxDesc.Languages)
{
if (language.TeletextType != 2)
{
continue;
}
var magNum = language.TeletextMagazineNumber;
if (magNum == 0)
{
magNum = 8;
}
msg += $" [{magNum}{language.TeletextPageNumber:X2}-{language.Iso639LanguageCode}/{language.TeletextType}]";
foundSubs = true;
}
if (foundSubs)
{
Console.WriteLine(msg);
}
}
}
//finished scan
return;
}
if (stream.Position < stream.Length)
{
readCount = stream.Read(data, 0, readFragmentSize);
}
else
{
Assert.Fail("Reached end of file without completing SDT scan");
}
}
catch (Exception ex)
{
Assert.Fail($"Problem reading file: {ex.Message}");
}
}
}
