/// <summary>
/// Erzeugt eine neue Information für eine Tonspur.
/// </summary>
/// <param name="entry">Informationen zur Tonspur.</param>
/// <param name="ac3">Gesetzt, wenn es sich um eine AC3 Tonspur handelt.</param>
/// <param name="index">Laufender Index dieser Tonspur.</param>
public AudioItem( ProgramEntry entry, bool ac3, int index )
{
// Remember
Name = string.Format( "{0}{2} [{1}]", entry.ProgrammeName.Trim(), 1 + index, ac3 ? " (AC3)" : string.Empty );
PID = entry.ElementaryPID;
AC3 = ac3;
}
/// <summary>
/// Übernimmt Informationen aus einer SI Programmbeschreibung in die Informationen
/// eines Senders.
/// </summary>
/// <param name="source">Die Daten zu einer Quelle, die vervollständigt werden sollen.</param>
/// <param name="program">Die SI Programmbeschreibung.</param>
public static void Update(this SourceInformation source, EPG.ProgramEntry program)
{
// MPEG-2 Video
if (EPG.StreamTypes.Video13818 == program.StreamType)
{
// Remember
source.VideoType = VideoTypes.MPEG2;
source.VideoStream = program.ElementaryPID;
// Done
return;
}
// H.264 Video
if (EPG.StreamTypes.H264 == program.StreamType)
{
// Remember
source.VideoType = VideoTypes.H264;
source.VideoStream = program.ElementaryPID;
// Done
return;
}
// MP2 Audio
if ((EPG.StreamTypes.Audio11172 == program.StreamType) || (EPG.StreamTypes.Audio13818 == program.StreamType))
{
// Create new entry
AudioInformation audio = new AudioInformation {
AudioType = AudioTypes.MP2, AudioStream = program.ElementaryPID, Language = program.ProgrammeName.Trim()
};
// Remember it
source.AudioTracks.Add(audio);
// Done
return;
}
// AC3, TTX or DVB subtitles
if (EPG.StreamTypes.PrivateData != program.StreamType)
{
return;
}
// Direct processing of descriptor list
foreach (var descriptor in program.Descriptors)
{
// Check for AC3
var ac3 = descriptor as EPG.Descriptors.AC3;
if (null != ac3)
{
// Create new entry
AudioInformation audio = new AudioInformation {
AudioType = AudioTypes.AC3, AudioStream = program.ElementaryPID, Language = program.ProgrammeName.Trim()
};
// Remember it
source.AudioTracks.Add(audio);
// Done
return;
}
// Check for videotext
var ttx = descriptor as EPG.Descriptors.Teletext;
if (null != ttx)
{
// Remember
source.TextStream = program.ElementaryPID;
// Done
return;
}
// Check for DVB sub-titles
var sub = descriptor as EPG.Descriptors.Subtitle;
if (null != sub)
{
// Process all items
foreach (var subTitle in sub.Subtitles)
{
// Create the information
var info = new SubtitleInformation
{
SubtitleStream = program.ElementaryPID,
Language = subTitle.Language,
SubtitleType = (SubtitleTypes)subTitle.Type,
CompositionPage = subTitle.CompositionPage,
AncillaryPage = subTitle.AncillaryPage
};
// Remember
source.Subtitles.Add(info);
}
// Done
return;
}
}
}