/// <summary>
/// Determines whether the specified <see cref="T:System.Object"></see> is equal to the current <see cref="T:System.Object"></see>.
/// </summary>
/// <param name="obj">The <see cref="T:System.Object"></see> to compare with the current <see cref="T:System.Object"></see>.</param>
/// <returns>
/// true if the specified <see cref="T:System.Object"></see> is equal to the current <see cref="T:System.Object"></see>; otherwise, false.
/// </returns>
public override bool Equals(object obj)
{
DVBAudioStream stream = obj as DVBAudioStream;
if (stream == null)
{
return(false);
}
if (_language == stream.Language && _streamType == stream.StreamType && _pid == stream.Pid)
{
return(true);
}
return(false);
}
private static IAudioStream[] GetStreamsList()
{
List<IAudioStream> streamsList = new List<IAudioStream>();
for (int i = 0; i < g_Player.AudioStreams; i++)
{
DVBAudioStream stream = new DVBAudioStream();
string streamType = g_Player.AudioType(i);
switch (streamType)
{
case "AC3":
stream.StreamType = AudioStreamType.AC3;
break;
case "AC3plus":
stream.StreamType = AudioStreamType.EAC3;
break;
case "Mpeg1":
stream.StreamType = AudioStreamType.Mpeg1;
break;
case "Mpeg2":
stream.StreamType = AudioStreamType.Mpeg2;
break;
case "AAC":
stream.StreamType = AudioStreamType.AAC;
break;
case "LATMAAC":
stream.StreamType = AudioStreamType.LATMAAC;
break;
default:
stream.StreamType = AudioStreamType.Unknown;
break;
}
stream.Language = g_Player.AudioLanguage(i);
string[] lang = stream.Language.Split('(');
if (lang.Length > 1)
{
stream.Language = lang[1].Substring(0, lang[1].Length - 1);
}
streamsList.Add(stream);
}
return streamsList.ToArray();
}
// also used from tvrecorded class
public static int GetPreferedAudioStreamIndex()
{
int idxFirstAc3 = -1; // the index of the first avail. ac3 found
int idxFirstmpeg = -1; // the index of the first avail. mpg found
int idxLangAc3 = -1; // the index of ac3 found based on lang. pref
int idxLangmpeg = -1; // the index of mpg found based on lang. pref
int idx = -1; // the chosen audio index we return
string langSel = ""; // find audio based on this language.
string ac3BasedOnLang = ""; // for debugging, what lang. in prefs. where used to choose the ac3 audio track ?
string mpegBasedOnLang = ""; // for debugging, what lang. in prefs. where used to choose the mpeg audio track ?
IAudioStream[] streams;
List<IAudioStream> streamsList = new List<IAudioStream>();
for (int i = 0; i < g_Player.AudioStreams; i++)
{
DVBAudioStream stream = new DVBAudioStream();
string streamType = g_Player.AudioType(i);
switch (streamType)
{
case "AC3":
stream.StreamType = AudioStreamType.AC3;
break;
case "Mpeg1":
stream.StreamType = AudioStreamType.Mpeg1;
break;
case "Mpeg2":
stream.StreamType = AudioStreamType.Mpeg2;
break;
case "AAC":
stream.StreamType = AudioStreamType.AAC;
break;
case "LATMAAC":
stream.StreamType = AudioStreamType.LATMAAC;
break;
default:
stream.StreamType = AudioStreamType.Unknown;
break;
}
stream.Language = g_Player.AudioLanguage(i);
streamsList.Add(stream);
}
streams = (IAudioStream[])streamsList.ToArray();
if (_preferredLanguages != null)
{
Log.Debug("TVHome.GetPreferedAudioStreamIndex(): preferred LANG(s):{0} preferAC3:{1} preferAudioTypeOverLang:{2}", String.Join(";", _preferredLanguages), _preferAC3, _preferAudioTypeOverLang);
}
else
{
Log.Debug("TVHome.GetPreferedAudioStreamIndex(): preferred LANG(s):{0} preferAC3:{1} _preferAudioTypeOverLang:{2}", "n/a", _preferAC3, _preferAudioTypeOverLang);
}
Log.Debug("Audio streams avail: {0}", streams.Length);
if (streams.Length == 1)
{
Log.Info("Audio stream: switching to preferred AC3/MPEG audio stream 0 (only 1 track avail.)");
return 0;
}
for (int i = 0; i < streams.Length; i++)
{
//tag the first found ac3 and mpeg indexes
if (streams[i].StreamType == AudioStreamType.AC3)
{
if (idxFirstAc3 == -1) idxFirstAc3 = i;
}
else
{
if (idxFirstmpeg == -1) idxFirstmpeg = i;
}
//now find the ones based on LANG prefs.
if (_preferredLanguages != null)
{
for (int j = 0; j < _preferredLanguages.Length; j++)
{
if (_preferredLanguages[j].Length == 0) continue;
langSel = _preferredLanguages[j];
if (streams[i].Language.Contains(langSel) && langSel.Length > 0)
{
if ((streams[i].StreamType == AudioStreamType.AC3)) //is the audio track an AC3 track ?
{
if (idxLangAc3 == -1)
{
idxLangAc3 = i;
ac3BasedOnLang = langSel;
}
}
else //audiotrack is mpeg
{
if (idxLangmpeg == -1)
{
idxLangmpeg = i;
mpegBasedOnLang = langSel;
}
}
}
if (idxLangAc3 > -1 && idxLangmpeg > -1) break;
} //for loop
}
if (idxFirstAc3 > -1 && idxFirstmpeg > -1 && idxLangAc3 > -1 && idxLangmpeg > -1) break;
}
if (_preferAC3)
{
if (_preferredLanguages != null)
{
//did we find an ac3 track that matches our LANG prefs ?
if (idxLangAc3 > -1)
{
idx = idxLangAc3;
Log.Info("Audio stream: switching to preferred AC3 audio stream {0}, based on LANG {1}", idx, ac3BasedOnLang);
}
//if not, did we even find an ac3 track ?
else if (idxFirstAc3 > -1)
{
//we did find an AC3 track, but not based on LANG - should we choose this or the mpeg track which is based on LANG.
if (_preferAudioTypeOverLang || (idxLangmpeg == -1 && _preferAudioTypeOverLang))
{
idx = idxFirstAc3;
Log.Info("Audio stream: switching to preferred AC3 audio stream {0}, NOT based on LANG (none avail. matching {1})", idx, ac3BasedOnLang);
}
else
{
Log.Info("Audio stream: ignoring AC3 audio stream {0}", idxFirstAc3);
}
}
//if not then proceed with mpeg lang. selection below.
}
else
{
//did we find an ac3 track ?
if (idxFirstAc3 > -1)
{
idx = idxFirstAc3;
Log.Info("Audio stream: switching to preferred AC3 audio stream {0}, NOT based on LANG", idx);
}
//if not then proceed with mpeg lang. selection below.
}
}
if (idx == -1 && _preferAC3)
{
Log.Info("Audio stream: no preferred AC3 audio stream found, trying mpeg instead.");
}
if (idx == -1 || !_preferAC3) // we end up here if ac3 selection didnt happen (no ac3 avail.) or if preferac3 is disabled.
{
if (_preferredLanguages != null)
{
//did we find a mpeg track that matches our LANG prefs ?
if (idxLangmpeg > -1)
{
idx = idxLangmpeg;
Log.Info("Audio stream: switching to preferred MPEG audio stream {0}, based on LANG {1}", idx, mpegBasedOnLang);
}
//if not, did we even find a mpeg track ?
else if (idxFirstmpeg > -1)
{
//we did find a AC3 track, but not based on LANG - should we choose this or the mpeg track which is based on LANG.
if (_preferAudioTypeOverLang || (idxLangAc3 == -1 && _preferAudioTypeOverLang))
{
idx = idxFirstmpeg;
Log.Info("Audio stream: switching to preferred MPEG audio stream {0}, NOT based on LANG (none avail. matching {1})", idx, mpegBasedOnLang);
}
else
{
if (idxLangAc3 > -1)
{
idx = idxLangAc3;
Log.Info("Audio stream: ignoring MPEG audio stream {0}", idx);
}
}
}
}
else
{
idx = idxFirstmpeg;
Log.Info("Audio stream: switching to preferred MPEG audio stream {0}, NOT based on LANG", idx);
}
}
if (idx == -1)
{
idx = 0;
Log.Info("Audio stream: switching to preferred AC3/MPEG audio stream {0}", idx);
}
return idx;
}
/// <summary>
/// maps the correct pids to the TsFileSink filter and teletext pins
/// </summary>
/// <param name="info"></param>
protected void SetMpegPidMapping(ChannelInfo info)
{
if (info == null)
return;
try
{
Log.Log.WriteFile("subch:{0} SetMpegPidMapping", _subChannelId);
List<ushort> hwPids = new List<ushort>();
hwPids.Add(0x0); //PAT
hwPids.Add(0x1); //CAT
hwPids.Add(0x10); //NIT
hwPids.Add(0x11); //SDT
hwPids.Add(0x12); //EPG
Log.Log.WriteFile("subch:{0} pid:{1:X} pcr", _subChannelId, info.pcrPid);
Log.Log.WriteFile("subch:{0} pid:{1:X} pmt", _subChannelId, info.network_pmt_PID);
if (info.network_pmt_PID >= 0 && info.serviceID >= 0)
{
hwPids.Add((ushort)info.network_pmt_PID);
}
if (info.pids != null)
{
foreach (PidInfo pidInfo in info.pids)
{
Log.Log.WriteFile("subch:{0} {1}", _subChannelId, pidInfo.ToString());
if (pidInfo.pid == 0 || pidInfo.pid > 0x1fff)
continue;
if (pidInfo.isTeletext)
{
Log.Log.WriteFile("subch:{0} map {1}", _subChannelId, pidInfo);
if (GrabTeletext)
{
_tsFilterInterface.TTxSetTeletextPid(_subChannelIndex, pidInfo.pid);
}
hwPids.Add((ushort)pidInfo.pid);
_hasTeletext = true;
}
if (pidInfo.isAC3Audio || pidInfo.isEAC3Audio || pidInfo.isAudio)
{
if (_currentAudioStream == null || pidInfo.isAC3Audio || pidInfo.isEAC3Audio)
{
_currentAudioStream = new DVBAudioStream();
_currentAudioStream.Pid = pidInfo.pid;
_currentAudioStream.Language = pidInfo.language;
if (pidInfo.IsMpeg1Audio)
_currentAudioStream.StreamType = AudioStreamType.Mpeg1;
else if (pidInfo.IsMpeg2Audio)
_currentAudioStream.StreamType = AudioStreamType.Mpeg2;
if (pidInfo.isAC3Audio)
_currentAudioStream.StreamType = AudioStreamType.AC3;
if (pidInfo.isEAC3Audio)
_currentAudioStream.StreamType = AudioStreamType.EAC3;
if (pidInfo.IsAACAudio)
_currentAudioStream.StreamType = AudioStreamType.AAC;
if (pidInfo.IsLATMAACAudio)
_currentAudioStream.StreamType = AudioStreamType.LATMAAC;
}
if (_currentAudioStream.Pid == pidInfo.pid)
{
Log.Log.WriteFile("subch:{0} map {1}", _subChannelId, pidInfo);
_tsFilterInterface.AnalyzerSetAudioPid(_subChannelIndex, pidInfo.pid);
}
hwPids.Add((ushort)pidInfo.pid);
}
if (pidInfo.isVideo)
{
Log.Log.WriteFile("subch:{0} map {1}", _subChannelId, pidInfo);
hwPids.Add((ushort)pidInfo.pid);
_tsFilterInterface.AnalyzerSetVideoPid(_subChannelIndex, pidInfo.pid);
if (info.pcrPid > 0 && info.pcrPid != pidInfo.pid)
{
hwPids.Add((ushort)info.pcrPid);
}
}
if (pidInfo.isDVBSubtitle)
{
Log.Log.WriteFile("subch:{0} map {1}", _subChannelId, pidInfo);
hwPids.Add((ushort)pidInfo.pid);
}
}
}
if (_mdplugs != null)
{
// MDPlugins Active..
// It's important that the ECM pids are not blocked by the HWPID Filter in the Tuner.
// therefore they need to be explicitly added to HWPID list.
// HWPIDS supports max number of 16 filtered pids - Total max of 16.
// ECM Pids
foreach (ECMEMM ecmValue in _channelInfo.caPMT.GetECM())
{
if (ecmValue.Pid != 0 && !hwPids.Contains((ushort)ecmValue.Pid))
{
hwPids.Add((ushort)ecmValue.Pid);
}
}
//EMM Pids
foreach (ECMEMM emmValue in _channelInfo.caPMT.GetEMM())
{
if (emmValue.Pid != 0 && !hwPids.Contains((ushort)emmValue.Pid))
{
hwPids.Add((ushort)emmValue.Pid);
}
}
Log.Log.WriteFile("Number of HWPIDS that needs to be sent to tuner :{0} ", hwPids.Count);
}
if (_conditionalAccess != null && info.network_pmt_PID >= 0 && info.serviceID >= 0)
{
_conditionalAccess.SendPids(_subChannelId, (DVBBaseChannel)_currentChannel, hwPids);
}
if (_startTimeShifting)
{
_startTimeShifting = false;
_tsFilterInterface.TimeShiftReset(_subChannelIndex);
SetTimeShiftPids();
Log.Log.WriteFile("Set video / audio observer");
_tsFilterInterface.SetVideoAudioObserver(_subChannelIndex, this);
_tsFilterInterface.TimeShiftStart(_subChannelIndex);
_graphState = GraphState.TimeShifting;
}
if (_startRecording)
{
_startRecording = false;
SetRecorderPids();
Log.Log.WriteFile("Set video / audio observer");
_tsFilterInterface.RecorderSetVideoAudioObserver(_subChannelIndex, this);
int hr = _tsFilterInterface.RecordStartRecord(_subChannelIndex);
if (hr != 0)
{
Log.Log.Error("subch:[0} StartRecord failed:{1:X}", _subChannelId, hr);
}
_graphState = GraphState.Recording;
}
else
{
if (IsTimeShifting)
{
SetTimeShiftPids();
}
if (IsRecording)
{
SetRecorderPids();
}
}
}
catch (Exception ex)
{
Log.Log.Write(ex);
}
}
/// <summary>
/// Should be called before tuning to a new channel
/// resets the state
/// </summary>
public override void OnBeforeTune()
{
Log.Log.WriteFile("subch:{0} OnBeforeTune", _subChannelId);
if (IsTimeShifting && _subChannelIndex >= 0)
{
_tsFilterInterface.TimeShiftPause(_subChannelIndex, 1);
}
_startTimeShifting = false;
_startRecording = false;
_channelInfo = new ChannelInfo();
_hasTeletext = false;
_currentAudioStream = null;
}