/// <summary>
/// Acquire and process EIT data.
/// </summary>
/// <param name="dataProvider">A sample data provider.</param>
/// <param name="worker">The background worker that is running this collection.</param>
/// <returns>A CollectorReply code.</returns>
public override CollectorReply Process(ISampleDataProvider dataProvider, BackgroundWorker worker)
{
EITProgramContent.Load();
CustomProgramCategory.Load();
MultiTreeDictionaryEntry.Load(Path.Combine(RunParameters.ConfigDirectory, "Huffman Dictionary FreeSat T1.cfg"), Path.Combine(RunParameters.ConfigDirectory, "Huffman Dictionary FreeSat T2.cfg"));
/*GetStationData(dataProvider, worker, new int[] { 0xbba, 0xc1e, 0xf01 });*/
GetStationData(dataProvider, worker, new int[] { 0xbba });
if (worker.CancellationPending)
{
return(CollectorReply.Cancelled);
}
if (RunParameters.Instance.ChannelBouquet != -1 ||
RunParameters.Instance.Options.Contains("USECHANNELID") ||
RunParameters.Instance.Options.Contains("USELCN") ||
RunParameters.Instance.Options.Contains("CREATEBRCHANNELS") ||
RunParameters.Instance.Options.Contains("CREATEARCHANNELS"))
{
/*GetBouquetSections(dataProvider, worker, new int[] { 0xbba, oxc1e, oxf01 } );*/
GetBouquetSections(dataProvider, worker, new int[] { 0xbba });
if (worker.CancellationPending)
{
return(CollectorReply.Cancelled);
}
}
getFreeSatSections(dataProvider, worker);
return(CollectorReply.OK);
}
/// <summary>
/// Acquire and process EIT data.
/// </summary>
/// <param name="dataProvider">A sample data provider.</param>
/// <param name="worker">The background worker that is running this collection.</param>
/// <returns>A CollectorReply code.</returns>
public override CollectorReply Process(ISampleDataProvider dataProvider, BackgroundWorker worker)
{
EITProgramContent.Load();
CustomProgramCategory.Load();
ParentalRating.Load();
if (RunParameters.Instance.Options.Contains("USEFREESATTABLES"))
{
MultiTreeDictionaryEntry.Load(Path.Combine(RunParameters.ConfigDirectory, "Huffman Dictionary FreeSat T1.cfg"), Path.Combine(RunParameters.ConfigDirectory, "Huffman Dictionary FreeSat T2.cfg"));
}
GetStationData(dataProvider, worker);
if (worker.CancellationPending)
{
return(CollectorReply.Cancelled);
}
bool bouquetNeeded = checkBouquetNeeded();
if (RunParameters.Instance.ChannelBouquet != -1 ||
RunParameters.Instance.Options.Contains("USECHANNELID") ||
RunParameters.Instance.Options.Contains("USELCN") ||
RunParameters.Instance.Options.Contains("CREATEBRCHANNELS") ||
RunParameters.Instance.Options.Contains("CREATEARCHANNELS"))
{
GetBouquetSections(dataProvider, worker);
string bouquetType;
if (eitChannels > 0)
{
bouquetType = "Freeview";
}
else
{
bouquetType = "OpenTV";
}
Logger.Instance.Write("Used " + bouquetType + " channel descriptors");
if (worker.CancellationPending)
{
return(CollectorReply.Cancelled);
}
}
getEITSections(dataProvider, worker);
return(CollectorReply.OK);
}
/// <summary>
/// Acquire and process ATSC PSIP Info data.
/// </summary>
/// <param name="dataProvider">A sample data provider.</param>
/// <param name="worker">The background worker that is running this collection.</param>
/// <returns>A CollectorReply code.</returns>
public override CollectorReply Process(ISampleDataProvider dataProvider, BackgroundWorker worker)
{
AtscPsipProgramCategory.Load();
CustomProgramCategory.Load();
bool referenceTablesLoaded = MultiTreeDictionaryEntry.Load(Path.Combine(RunParameters.ConfigDirectory, "Huffman Dictionary ATSC PSIP T1.cfg"), Path.Combine(RunParameters.ConfigDirectory, "Huffman Dictionary ATSC PSIP T2.cfg"));
if (!referenceTablesLoaded)
{
return(CollectorReply.ReferenceDataError);
}
getMasterGuideData(dataProvider, worker);
if (worker.CancellationPending)
{
return(CollectorReply.Cancelled);
}
getVirtualChannelData(dataProvider, worker);
if (worker.CancellationPending)
{
return(CollectorReply.Cancelled);
}
/*getRatingRegionData(dataProvider, worker);
* if (worker.CancellationPending)
* return (CollectorReply.Cancelled);*/
getExtendedTextData(dataProvider, worker);
if (worker.CancellationPending)
{
return(CollectorReply.Cancelled);
}
getEventInformationData(dataProvider, worker);
if (worker.CancellationPending)
{
return(CollectorReply.Cancelled);
}
OutputFile.UseUnicodeEncoding = MultipleString.UseUnicodeEncoding;
return(CollectorReply.OK);
}
/// <summary>
/// Convert a subset of an array of text bytes to a string.
/// </summary>
/// <param name="byteData">The array of bytes.</param>
/// <param name="offset">The index of the first byte to be converted.</param>
/// <param name="length">The number of bytes to be converted.</param>
/// <param name="replace">True to replace non-Ascii bytes with a space; false to ignore them.</param>
/// <returns>The converted string.</returns>
public static string GetString(byte[] byteData, int offset, int length, bool replace)
{
if (length == 0)
{
return(string.Empty);
}
string isoTable = null;
int startByte = 0;
if (RunParameters.Instance.CharacterSet != null)
{
isoTable = RunParameters.Instance.CharacterSet;
if (byteData[offset] < 0x20)
{
startByte = 1;
}
}
else
{
if (byteData[offset] >= 0x20)
{
isoTable = "iso-8859-1";
}
else
{
switch (byteData[offset])
{
case 0x01:
case 0x02:
case 0x03:
case 0x04:
case 0x05:
case 0x06:
case 0x07:
case 0x08:
case 0x09:
case 0x0a:
case 0x0b:
isoTable = "iso-8859-" + (byteData[offset] + 4).ToString();
startByte = 1;
break;
case 0x10:
if (byteData[offset + 1] == 0x00)
{
if (byteData[offset + 2] != 0x00 && byteData[offset + 2] != 0x0c)
{
isoTable = "iso-8859-" + ((int)byteData[offset + 2]).ToString();
startByte = 3;
break;
}
else
{
return("Invalid DVB text string: byte 3 is not a valid value");
}
}
else
{
return("Invalid DVB text string: byte 2 is not a valid value");
}
case 0x11:
case 0x15:
isoTable = "utf-8";
startByte = 1;
break;
case 0x1f:
if (byteData[offset + 1] == 0x01 || byteData[offset + 1] == 0x02)
{
if (MultiTreeDictionaryEntry.Loaded)
{
return(MultiTreeDictionaryEntry.DecodeData(Utils.GetBytes(byteData, offset, length + 1)));
}
else
{
return("Huffman text: " + Utils.ConvertToHex(byteData, offset, length));
}
}
else
{
return("Invalid DVB text string: Custom text specifier is not recognized");
}
default:
return("Invalid DVB text string: byte 1 is not a valid value");
}
}
}
byte[] editedBytes = new byte[length];
int editedLength = 0;
for (int index = startByte; index < length; index++)
{
if (byteData[offset + index] > 0x1f)
{
if (byteData[offset + index] < 0x80 || byteData[offset + index] > 0x9f)
{
editedBytes[editedLength] = byteData[offset + index];
editedLength++;
}
}
else
{
if (replace)
{
editedBytes[editedLength] = 0x20;
editedLength++;
}
}
}
if (editedLength == 0)
{
return(string.Empty);
}
try
{
Encoding sourceEncoding = Encoding.GetEncoding(isoTable);
if (sourceEncoding == null)
{
sourceEncoding = Encoding.GetEncoding("iso-8859-1");
}
return(sourceEncoding.GetString(editedBytes, 0, editedLength));
}
catch (ArgumentException e)
{
Logger.Instance.Write("<E> A text string could not be decoded");
Logger.Instance.Write("<E> String: " + Utils.ConvertToHex(byteData, offset, length));
Logger.Instance.Write("<E> Error: " + e.Message);
return("** ERROR DECODING STRING - SEE COLLECTION LOG **");
}
}
internal string processHuffmanData(int compressionType)
{
return(MultiTreeDictionaryEntry.DecodeData(compressionType, compressedString));
}