/// <summary>
/// Create a PMT for the program.
/// </summary>
/// <remarks>
/// There will be a lot of randomly choosen values just to make the transport
/// stream valid. Each audio stream will be reported as <i>german</i> and
/// similiar defaults are attached to a teletext stream.
/// </remarks>
/// <returns>The table describing the related program.</returns>
protected override byte[] CreateTable()
{
// Create buffer
TableConstructor buffer = new TableConstructor();
// Append to buffer
buffer.Add((byte)(0xe0 | (PCRPID / 256)));
buffer.Add((byte)(PCRPID & 0xff));
buffer.Add(0xf0, 0x00);
// All entries
for (int ip = 0; ip < m_Streams.Count;)
{
// Load
short pid = m_Streams[ip++];
StreamTypes type = m_Type[pid];
// Is teletext or audio
bool ttx = (StreamTypes.TeleText == type);
bool sub = !ttx && (StreamTypes.SubTitles == type);
bool ac3 = !ttx && !sub && (StreamTypes.Private == type);
bool aud = ac3 || (!ttx && !sub && (StreamTypes.Audio == type));
// Append to buffer
buffer.Add((ttx || sub) ? (byte)StreamTypes.Private : m_Encoding[pid]);
buffer.Add((byte)(0xe0 | (pid / 256)));
buffer.Add((byte)(pid & 0xff));
buffer.Add(0xf0);
// Length
int lengthPos = buffer.CreateDynamicLength();
// Create stream identifier
buffer.Add(new StreamIdentifier((byte)ip));
// Check for additional data
if (ttx)
{
// Create teletext descriptor
buffer.Add(new Teletext());
}
else if (sub)
{
// Load descriptor list
SubtitleInfo[] subInfos = DVBSubtitles[pid];
// Create the descriptor
Subtitle subDescr = new Subtitle();
// Check mode
if ((null == subInfos) || (subInfos.Length < 1))
{
// Create a brand new pseudo entry
subDescr.Subtitles.Add(new SubtitleInfo("deu", EPG.SubtitleTypes.DVBNormal, 1, 1));
}
else
{
// Use as is
subDescr.Subtitles.AddRange(subInfos);
}
// Serialize to buffer
buffer.Add(subDescr);
}
else if (aud)
{
// Load language
string language;
if (!m_AudioNames.TryGetValue(pid, out language))
{
language = "deu";
}
// Create language descriptor
ISOLanguage audioDescriptor = new ISOLanguage();
// Append language item
audioDescriptor.Languages.Add(new LanguageItem(language, ac3 ? EPG.AudioTypes.Undefined : EPG.AudioTypes.CleanEffects));
// Append to buffer
buffer.Add(audioDescriptor);
// Fill AC3 descriptor
if (ac3)
{
buffer.Add(new AC3());
}
}
// Finish
buffer.SetDynamicLength(lengthPos);
}
// Report
return(buffer.ToArray());
}
/// <summary>
/// Takes an prepopulated IDataReader and creates an array of ISOLanguages
/// </summary>
public static List<ISOLanguage> PopulateObjectWithJoin(IDataReader dr)
{
ColumnFieldList list = new ColumnFieldList(dr);
List<ISOLanguage> arr = new List<ISOLanguage>();
ISOLanguage obj;
while (dr.Read())
{
obj = new ISOLanguage();
if (list.IsColumnPresent("ISOLanguageID")) { obj._iSOLanguageID = (int)dr["ISOLanguageID"]; }
if (list.IsColumnPresent("ISO639_1")) { obj._iSO639_1 = (string)dr["ISO639_1"]; }
if (list.IsColumnPresent("ISO639_2")) { obj._iSO639_2 = (string)dr["ISO639_2"]; }
if (list.IsColumnPresent("ISO639_3")) { obj._iSO639_3 = (string)dr["ISO639_3"]; }
if (list.IsColumnPresent("Name")) { obj._name = (string)dr["Name"]; }
arr.Add(obj);
}
dr.Close();
return arr;
}
