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yamp committed Mar 5, 2005
1 parent 53b8862 commit ce4684c
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Showing 2 changed files with 44 additions and 176 deletions.
13 changes: 7 additions & 6 deletions mediaportal/Core/DShowNET/VideoCaptureProperties.cs
View file
Expand Up @@ -666,12 +666,12 @@ public bool SupportsFireDTVProperties
/// 1. FireDTV device should be tuned to a digital DVB-C/S/T TV channel
/// 2. PMT should have been received
/// </preconditions>
public void SendPMTToFireDTV(byte[] PMT)
public void SendPMTToFireDTV(byte[] PMT, int pmtLength)
{
if (PMT==null) return;
if (PMT.Length==0) return;
if (pmtLength==0) return;

Log.Write("SendPMTToFireDTV pmt:{0}", PMT.Length);
Log.Write("SendPMTToFireDTV pmt:{0}", pmtLength);
Guid propertyGuid=KSPROPSETID_Firesat;
int propId=22;
IKsPropertySet propertySet= captureFilter as IKsPropertySet;
Expand All @@ -689,13 +689,14 @@ public void SendPMTToFireDTV(byte[] PMT)
return ;
}

int iSize=12+2+PMT.Length;
int iSize=12+2+pmtLength;
IntPtr pDataInstance = Marshal.AllocCoTaskMem(1036);
IntPtr pDataReturned = Marshal.AllocCoTaskMem(1036);
int offs=0;

//example data:0x0 0x2 0x0 0x0 0x0 0x0 0x0 0x0 0x14 0x0 0x3 0x1 | 0x2 0xB0 0x12 0x1 0x3D 0xC1 0x0 0x0 0xFF 0xFF 0xF0 0x0 0x3 0xEC 0x8C 0xF0 0x0 0xD3
byte[] byData = new byte[1036];
uint uLength=(uint)(2+PMT.Length);
uint uLength=(uint)(2+pmtLength);
byData[offs]= 0; offs++;//slot
byData[offs]= 2; offs++;//utag

Expand All @@ -716,7 +717,7 @@ public void SendPMTToFireDTV(byte[] PMT)

byData[offs]= 3; offs++;// List Management = ONLY
byData[offs]= 1; offs++;// pmt_cmd = OK DESCRAMBLING
for (int i=0; i < PMT.Length;++i)
for (int i=0; i < pmtLength;++i)
{
byData[offs]=PMT[i];
offs++;
Expand Down
207 changes: 37 additions & 170 deletions mediaportal/TVCapture/DVBGraphBDA.cs
View file
Expand Up @@ -145,8 +145,7 @@ enum State
bool shouldDecryptChannel=false;
DVBTeletext m_teleText=new DVBTeletext();
TSHelperTools transportHelper=new TSHelperTools();
int m_iRetyCount=0;
DateTime lastTime=DateTime.Now;
bool refreshPmtTable=false;
#if DUMP
System.IO.FileStream fileout;
#endif
Expand Down Expand Up @@ -923,8 +922,8 @@ public void TuneChannel(TVChannel channel)
m_iPrevChannel = m_iCurrentChannel;
m_iCurrentChannel = channel.Number;
m_StartTime = DateTime.Now;
m_iRetyCount=0;

refreshPmtTable=true;
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:TuneChannel() tune to channel:{0}", channel.Number);

//get the ITuner interface from the network provider filter
Expand Down Expand Up @@ -1159,12 +1158,11 @@ public void TuneChannel(TVChannel channel)
{
//yes, then send the PMT table to the device
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:TuneChannel() send PMT to fireDTV device");
props.SendPMTToFireDTV(pmt);
props.SendPMTToFireDTV(pmt,(int)len);
}//if (props.SupportsFireDTVProperties)
}
}
catch(Exception){}
lastTime=DateTime.Now;

}//public void TuneChannel(AnalogVideoStandard standard,int iChannel,int country)

Expand Down Expand Up @@ -2357,131 +2355,34 @@ public void Process()
Vmr9.Repaint();// repaint vmr9
}
}
if (!shouldDecryptChannel) return;
/*
TimeSpan ts=DateTime.Now-lastTime;
if (ts.Milliseconds<500) return;
lastTime=DateTime.Now;
//check if tuner is locked to a tv channel
if (!SignalPresent()) return;
if (m_iRetyCount>=10)
if (refreshPmtTable)
{
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA: timeout getting PMT");
shouldDecryptChannel=false;
return;
}
m_iRetyCount++;
//Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:Process() Tuner locked to signal");
//yes, lets get all details for the current channel
//Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:Process() Get PMT and channel info");
DVBSections sections = new DVBSections();
DVBSections.ChannelInfo channelInfo;
byte[] pmt= sections.GetRAWPMT(m_SectionsTables, currentTuningObject.ProgramNumber, out channelInfo);
lastTime=DateTime.Now;
if (pmt==null)
{
//Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:Process() PMT not found");
return;
}
if (pmt!=null && pmt.Length>0 )
{
if (channelInfo.pid_list==null) return;
if (channelInfo.pid_list.Count==0) return;
//got all details. Log them
shouldDecryptChannel=false;
DirectShowUtil.EnableDeInterlace(m_graphBuilder);
channelInfo.freq=currentTuningObject.Frequency;
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:Tuned to provider:{0} service:{1} scrambled:{2} frequency:{3} KHz networkid:{4} transportid:{5} serviceid:{6}",
channelInfo.service_provider_name,
channelInfo.service_name,
channelInfo.scrambled,
channelInfo.freq,
channelInfo.networkID,
channelInfo.transportStreamID,
channelInfo.serviceID);
for (int pids =0; pids < channelInfo.pid_list.Count;pids++)
{
DVBSections.PMTData data=(DVBSections.PMTData) channelInfo.pid_list[pids];
if (data.isVideo)
{
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA: video pid: {0}",data.elementary_PID);
currentTuningObject.VideoPid=data.elementary_PID;
}
if (data.isDVBSubtitle)
{
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA: DVB subtitle pid: {0}",data.elementary_PID);
//currentTuningObject.s=data.elementary_PID;
}
if (data.isAC3Audio)
{
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA: audio AC3 pid: {0}",data.elementary_PID);
currentTuningObject.AC3Pid=data.elementary_PID;
}
if (data.isTeletext)
{
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA: teletext pid: {0}",data.elementary_PID);
currentTuningObject.TeletextPid=data.elementary_PID;
}
if (data.isAudio)
{
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA: audio pid: {0}",data.elementary_PID);
currentTuningObject.AudioPid=data.elementary_PID;
}
}
//First check if channel is scrambled
if (true)//channelInfo.scrambled)
refreshPmtTable=false;
try
{
try
{
string pmtName=String.Format(@"database\pmt\pmt{0}_{1}_{2}_{3}.dat",
currentTuningObject.NetworkID,
currentTuningObject.TransportStreamID,
currentTuningObject.ProgramNumber,
(int)Network());
System.IO.FileStream stream = new System.IO.FileStream(pmtName,System.IO.FileMode.Create,System.IO.FileAccess.Write,System.IO.FileShare.None);
stream.Write(pmt,0,pmt.Length);
string pmtName=String.Format(@"database\pmt\pmt{0}_{1}_{2}_{3}.dat",
currentTuningObject.NetworkID,
currentTuningObject.TransportStreamID,
currentTuningObject.ProgramNumber,
(int)Network());
if (System.IO.File.Exists(pmtName))
{
System.IO.FileStream stream = new System.IO.FileStream(pmtName,System.IO.FileMode.Open,System.IO.FileAccess.Read,System.IO.FileShare.None);
long len=stream.Length;
byte[] pmt = new byte[len];
stream.Read(pmt,0,(int)len);
stream.Close();
}
catch(Exception){}
//Tv channels is scrambled. To view them
//we need to send the raw PMT table to the FireDTV device
//Note this only works for FireDTV devices, so
//first check if this device supports the FireDTV properties
VideoCaptureProperties props = new VideoCaptureProperties(m_TunerDevice);
if (props.SupportsFireDTVProperties)
{
//yes, then send the PMT table to the device
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:Process() send PMT to fireDTV device");
props.SendPMTToFireDTV(pmt);
}//if (props.SupportsFireDTVProperties)
}//if (channelInfo.scrambled)
IMpeg2Demultiplexer mpeg2Demuxer= m_MPEG2Demultiplexer as IMpeg2Demultiplexer ;
if (mpeg2Demuxer!=null)
{
SetupDemuxer(m_DemuxVideoPin,m_DemuxAudioPin,currentTuningObject.AudioPid,currentTuningObject.VideoPid);
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:MPEG2 demultiplexer PID mapping:");
for (int pin=0; pin < 5; pin++)
{
IPin outPin;
uint pid=0, sampletype=0;
DsUtils.GetPin(m_MPEG2Demultiplexer ,PinDirection.Output,pin,out outPin);
if (outPin!=null)
VideoCaptureProperties props = new VideoCaptureProperties(m_TunerDevice);
if (props.SupportsFireDTVProperties)
{
GetPidMap(outPin,ref pid, ref sampletype);
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA: Pin:{0} is mapped to pid:{1}", (pin+1),pid);
}
//yes, then send the PMT table to the device
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:TuneRadioChannel() send PMT to fireDTV device");
props.SendPMTToFireDTV(pmt, (int)len);
}//if (props.SupportsFireDTVProperties)
}
}
}//if (pmt!=null && pmt.Length>0 && channelInfo!=null)
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:Process() done"); */
catch(Exception){}
}
}//public void Process()

//not used
Expand Down Expand Up @@ -2667,7 +2568,6 @@ public void Tune(object tuningObject, int disecqNo)
if (m_NetworkProvider==null) return;
if (tuningObject ==null) return;

m_iRetyCount=0;
//start viewing if we're not yet viewing
if (!graphRunning)
{
Expand Down Expand Up @@ -3111,33 +3011,25 @@ public int BufferCB(double time,IntPtr data,int len)
if (header.Pid==currentTuningObject.PMTPid)
{
//copy pmt pid...
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA: update PMT table:{0}");
shouldDecryptChannel=false;
refreshPmtTable=true;
byte[] pmtTable=new byte[188];
Marshal.Copy((IntPtr)((pointer+4)),pmtTable,0,184);
Marshal.Copy((IntPtr)((pointer+5)),pmtTable,0,183);
int section_length = ((pmtTable[1]& 0xF)<<8) + pmtTable[2];
try
{
string pmtName=String.Format(@"database\pmt\pmt{0}_{1}_{2}_{3}.dat",
currentTuningObject.NetworkID,
currentTuningObject.TransportStreamID,
currentTuningObject.ProgramNumber,
(int)Network());
currentTuningObject.NetworkID,
currentTuningObject.TransportStreamID,
currentTuningObject.ProgramNumber,
(int)Network());
System.IO.FileStream stream = new System.IO.FileStream(pmtName,System.IO.FileMode.Create,System.IO.FileAccess.Write,System.IO.FileShare.None);
stream.Write(pmtTable,0,pmtTable.Length);
stream.Write(pmtTable,0,section_length);
stream.Close();
}
catch(Exception){}

//Tv channels is scrambled. To view them
//we need to send the raw PMT table to the FireDTV device
//Note this only works for FireDTV devices, so
//first check if this device supports the FireDTV properties
VideoCaptureProperties props = new VideoCaptureProperties(m_TunerDevice);
if (props.SupportsFireDTVProperties)
{
//yes, then send the PMT table to the device
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:Process() send PMT to fireDTV device");
props.SendPMTToFireDTV(pmtTable);
}//if (props.SupportsFireDTVProperties)
break;
}
}
}
Expand Down Expand Up @@ -3170,8 +3062,7 @@ public void TuneRadioChannel(RadioStation channel)
m_iPrevChannel = m_iCurrentChannel;
m_iCurrentChannel = channel.Channel;
m_StartTime = DateTime.Now;
m_iRetyCount=0;

refreshPmtTable=true;
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:TuneRadioChannel() tune to radio station:{0}", channel.Name);

//get the ITuner interface from the network provider filter
Expand Down Expand Up @@ -3384,30 +3275,6 @@ public void TuneRadioChannel(RadioStation channel)
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:TuneRadioChannel() done");

SetupDemuxer(m_DemuxVideoPin,m_DemuxAudioPin,currentTuningObject.AudioPid,0);
try
{
string pmtName=String.Format(@"database\pmt\pmt{0}_{1}_{2}_{3}.dat",
currentTuningObject.NetworkID,
currentTuningObject.TransportStreamID,
currentTuningObject.ProgramNumber,
(int)Network());
if (System.IO.File.Exists(pmtName))
{
System.IO.FileStream stream = new System.IO.FileStream(pmtName,System.IO.FileMode.Open,System.IO.FileAccess.Read,System.IO.FileShare.None);
long len=stream.Length;
byte[] pmt = new byte[len];
stream.Read(pmt,0,(int)len);
stream.Close();
VideoCaptureProperties props = new VideoCaptureProperties(m_TunerDevice);
if (props.SupportsFireDTVProperties)
{
//yes, then send the PMT table to the device
Log.WriteFile(Log.LogType.Capture,"DVBGraphBDA:TuneRadioChannel() send PMT to fireDTV device");
props.SendPMTToFireDTV(pmt);
}//if (props.SupportsFireDTVProperties)
}
}
catch(Exception){}

}//public void TuneRadioChannel(AnalogVideoStandard standard,int iChannel,int country)

Expand Down

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