minor bug fixes.

GUIs/skyscraper8.UI.ImGui/.filenesting.json

@@ -0,0 +1,3 @@
+{
+    "help":"https://go.microsoft.com/fwlink/?linkid=866610"
+}

GUIs/skyscraper8.UI.ImGui/Properties/launchSettings.json

@@ -0,0 +1,7 @@
+{
+  "profiles": {
+    "skyscraper8.UI.SDL2": {
+      "commandName": "Project"
+    }
+  }
+}

IoPlugins/skyscraper5.IO.StreamReader.RemoteStreamReaderServer/RemoteStreamReaderServer.cs

@@ -588,11 +588,9 @@ namespace skyscraper5.Skyscraper.IO.CrazycatStreamReader
                 {
                     this.wrapped = client;
                     this.bufferedStream = new BufferedStream(wrapped.GetStream(), 96256);
-                    this.packetsRemainBeforeStart = 512;
                 }
                 internal TcpClient wrapped;
                 internal BufferedStream bufferedStream;
-                private int packetsRemainBeforeStart;
 
                 public void Dispose()
                 {
@@ -615,15 +613,6 @@ namespace skyscraper5.Skyscraper.IO.CrazycatStreamReader
 
 				internal void DropPacket(byte[] buffer, int offset, int length)
 				{
-                    if (packetsRemainBeforeStart > 0)
-                    {
-                        if (packetsRemainBeforeStart == 512 || packetsRemainBeforeStart == 256 || packetsRemainBeforeStart == 128 || packetsRemainBeforeStart == 64 || packetsRemainBeforeStart == 32 || packetsRemainBeforeStart == 16 || packetsRemainBeforeStart == 8 || packetsRemainBeforeStart == 4 || packetsRemainBeforeStart == 2 || packetsRemainBeforeStart == 1)
-                        {
-                            Console.WriteLine("Waiting {0} packets before starting to send to client {1}...", packetsRemainBeforeStart, wrapped.Client.RemoteEndPoint);
-                        }
-                        packetsRemainBeforeStart--;
-                        return;
-                    }
                     bufferedStream?.Write(buffer, offset, length);
 				}
 			}

IoPlugins/skyscraper5.IO.StreamReader/LocalStreamReader.cs

@@ -80,7 +80,15 @@ namespace skyscraper5.IO.StreamReader
 
         public bool SetChannel(int freq, int symbrate, int pol, VITERBIRATE_TYPE fec, int lof1, int lof2, int lofsw)
         {
-            return UnsafeStreamReaderMethods.SetChannel(freq, symbrate, pol, fec, lof1, lof2, lofsw);
+            try
+            {
+                return UnsafeStreamReaderMethods.SetChannel(freq, symbrate, pol, fec, lof1, lof2, lofsw);
+            }
+            catch (DivideByZeroException dvze)
+            {
+                Console.WriteLine("Mitigated Division-by-Zero bug in StreamReader.dll.");
+                return false;
+            }
         }
 
         public bool SetChannelEx(int freq, int symbrate, int pol, VITERBIRATE_TYPE fec, int lof1, int lof2, int lofsw, MOD_TYPE mod)

skyscraper8.slnLaunch.user

@@ -0,0 +1,15 @@
+[
+  {
+    "Name": "Neues Profil",
+    "Projects": [
+      {
+        "Path": "IoPlugins\\skyscraper5.IO.StreamReader.RemoteStreamReaderServer\\skyscraper5.IO.StreamReader.RemoteStreamReaderServer.csproj",
+        "Action": "Start"
+      },
+      {
+        "Path": "GUIs\\skyscraper8.UI.ImGui\\skyscraper8.UI.SDL2.csproj",
+        "Action": "Start"
+      }
+    ]
+  }
+]

skyscraper8/GS/GSE/GseReader.cs

@@ -56,6 +56,8 @@ internal class GseReader : IMisHandler
                     switch (labelTypeIndicator)
                     {
                         case 0:
+                            if (ms.GetAvailableBytes() < 6)
+                                return;
                             child.Label = new _6byteLabel(ms.ReadBytes(6));
                             gseLength -= 6;
                             if (!endIndicator) 
@@ -63,6 +65,8 @@ internal class GseReader : IMisHandler
                             lastLabel = child.Label;
                             break;
                         case 1:
+                            if (ms.GetAvailableBytes() < 3)
+                                return;
                             child.Label = new _3byteLabel(ms.ReadBytes(3));
                             gseLength -= 3;
                             if (!endIndicator) 
@@ -150,7 +154,7 @@ internal class GseReader : IMisHandler
                     break;
                 default:
                     if (warnedEthertypes == null)
-                        warnedEthertypes = new bool[0xffff];
+                        warnedEthertypes = new bool[ushort.MaxValue];
                     if (!warnedEthertypes[child.ProtocolType.Value])
                     {
                         logger.WarnFormat("This GSE contains other traffic types (type 0x{0:X4}) besides IP (type 0x0800). If it's not too much trouble, please consider submitting a sample.",child.ProtocolType.Value);

skyscraper8/Mpeg2/PesPacket.cs

@@ -236,7 +236,10 @@ namespace skyscraper5.Mpeg2
                     //Marker Flag
                     markerBit = (escrBinary & 0x0000000000000001) != 0;
                     if (!markerBit)
-                        throw new DvbException("invalid pes packet");
+                    {
+                        //invalid PES
+                        return;
+                    }
                 }
 
                 if (EsRateFlag)

skyscraper8/Skyscraper/FrequencyListGenerator/BaseBlindscanJob.cs

@@ -572,6 +572,12 @@ namespace skyscraper8.Skyscraper.FrequencyListGenerator
 
 			if (caps.HasFlag(Caps.SR_SIGINFO))
 			{
+				int polarity = result.SearchResult.Pol;
+				int freq = result.SearchResult.Freq;
+				bool isHighBand = freq > config.LnbType.LofSw * 1000;
+				bool isHorizontal = polarity == 0;
+
+				SendDiseqcCommand(isHighBand, isHorizontal);
 				logger.Log(PluginLogLevel.Info, string.Format("Trying to BLScanEx..."), 8);
 				if (!config.StreamReader.BLScanEx(result.SearchResult.Freq, 5000, result.SearchResult.Pol,
 						config.LnbType.Lof1 * 1000, config.LnbType.Lof2 * 1000,
@@ -587,47 +593,31 @@ namespace skyscraper8.Skyscraper.FrequencyListGenerator
 
 				if (!satelliteSr.Lock)
 				{
-					logger.Log(PluginLogLevel.Info, string.Format("Trying to SetChannel..."), 8);
+                    int attempts = (result.SearchResult.Freq / 1000).GetHighestDigit();
-					bool channel = config.StreamReader.SetChannel(result.SearchResult.Freq, result.SearchResult.SR, result.SearchResult.Pol, result.SearchResult.FEC, config.LnbType.Lof1 * 1000, config.LnbType.Lof2 * 1000, config.LnbType.LofSw * 1000);
+					bool success = false;
-					if (!channel)
+					for (int i = 0; i < attempts; i++)
 					{
-						result.State = BlindscanResultState.TuningFailed;
+						Thread.Sleep(1000);
-						config.Ui.OnBlindscanLockFail(satelliteSr, result.State);
+                        result.State = BlindscanResultState.Retrying;
-						config.DataStorage.UpdateTransponderState(jobInDb, result.IsSatellite(), result.SearchResult, result.State, result.SearchResult2);
+                        logger.Log(PluginLogLevel.Info, string.Format("Retrying BLScanEx... ({0}/{1})", i + 1, attempts + 1), 8);
-						return;
+						bool retryResult = config.StreamReader.BLScanEx(result.SearchResult.Freq, 5000, result.SearchResult.Pol, config.LnbType.Lof1 * 1000, config.LnbType.Lof2 * 1000, config.LnbType.LofSw * 1000, 1000000, (STD_TYPE)result.SearchResult.StdType,ref satelliteSr);
-					}
+						if (!retryResult)
-					else
-					{
-						int attempts = result.SearchResult.Freq / 1000;
-						attempts = attempts.GetHighestDigit();
-						bool sucess = false;
-						for (int i = 0; i < attempts; i++)
 						{
-							logger.Log(PluginLogLevel.Info, string.Format("Trying to get SignalInfo..."), 8);
+                            result.State = BlindscanResultState.BlScanFailure;
-							bool signalInfo = config.StreamReader.SignalInfo(ref satelliteSr);
+							continue;
-							if (!signalInfo)
-							{
-								result.State = BlindscanResultState.TuningFailed;
-								config.DataStorage.UpdateTransponderState(jobInDb, result.IsSatellite(), result.SearchResult, result.State, result.SearchResult2);
-								config.Ui.OnBlindscanLockFail(satelliteSr, result.State);
-							}
-
-							if (!satelliteSr.Lock)
-							{
-								result.State = BlindscanResultState.NoLock;
-								config.DataStorage.UpdateTransponderState(jobInDb, result.IsSatellite(), result.SearchResult, result.State, result.SearchResult2);
-								config.Ui.OnBlindscanLockFail(satelliteSr, result.State);
-							}
-							else
-							{
-								sucess = true;
-								break;
-							}
-                            Thread.Sleep(1000);
                         }
-						if (!sucess)
+						if (!satelliteSr.Lock)
-							return;
+						{
-					}
+							result.State = BlindscanResultState.NoLock;
+							continue;
+						}
+						success = true;
+						break;
+                    }
+                    config.DataStorage.UpdateTransponderState(jobInDb, result.IsSatellite(), result.SearchResult, result.State, result.SearchResult2);
+					if (!success)
+						return;
+					logger.Log(PluginLogLevel.Debug, "Sucessfully tuned with retries.");
 				}
 
 				if (caps.HasFlag(Caps.SR_MISSEL))

skyscraper8/Skyscraper/FrequencyListGenerator/BlindscanResult.cs

@@ -27,6 +27,7 @@ namespace skyscraper5.src.Skyscraper.FrequencyListGenerator
 		BlScanFailure = 108,
 		DataSaving = 4,
 		IqCollecting = 5,
-		IqSaving = 6
+		IqSaving = 6,
-	}
+        Retrying = 7
+    }
 }

skyscraper8/Skyscraper/FrequencyListGenerator/CoopBlindscanStreamReaderProxy.cs

@@ -52,13 +52,17 @@ namespace skyscraper8.Skyscraper.FrequencyListGenerator
 			if (!_proxiedStreamReader.StartDvbEx(targetTuner))
 				return false;
 
-			if (lastDiseqcType != uint.MaxValue)
+			/*if (lastDiseqcType != uint.MaxValue)
 			{
 				if (!_proxiedStreamReader.SendDiSEqC(lastDiseqcType, lastDiseqcOpcode))
 					return false;
-                if (!_proxiedStreamReader.SendDiSEqC(lastDiseqcType, lastDiseqcOpcode))
+            }*/
+
+			if (lastDiseqcOpcode.HasFlag(DiSEqC_Opcode.DISEQC_HORIZONTAL))
+			{
+                if (!_proxiedStreamReader.StopDVB())
                     return false;
-                if (!_proxiedStreamReader.SendDiSEqC(lastDiseqcType, lastDiseqcOpcode))
+                if (!_proxiedStreamReader.StartDvbEx(targetTuner))
                     return false;
             }
 

skyscraper8/Skyscraper/Scraper/Storage/InMemory/InMemoryScraperStorage.cs

@@ -1276,14 +1276,21 @@ namespace skyscraper5.Skyscraper.Scraper.Storage.InMemory
 			return 0;
 		}
 
+		private byte[][] _tmst;
 		public byte[] GetTmst(ushort interactiveNetworkId)
 		{
-			throw new NotImplementedException();
+			if (_tmst == null)
+				return null;
+			if (_tmst[interactiveNetworkId] == null)
+				return null;
+			return _tmst[interactiveNetworkId];
 		}
 
 		public void InsertTmst(ushort interactiveNetworkId, byte[] modes)
 		{
-			throw new NotImplementedException();
+			if (_tmst == null)
+				_tmst = new byte[ushort.MaxValue][];
+			_tmst[interactiveNetworkId] = modes;
 		}
 
 		public void UpdateTmst(ushort interactiveNetworkId, byte[] modes)

skyscraper8/Skyscraper/Text/Encodings/dvb-iso-8859-13.cs

@@ -78,19 +78,21 @@ namespace skyscraper5.Skyscraper.Text.Encodings
                     case 0xee: resultBuilder.Append('ī'); break;
                     case 0xf0: resultBuilder.Append('š'); break;
                     case 0xf1: resultBuilder.Append('ń'); break;
+                    case 0xf2: resultBuilder.Append('ņ'); break;
                     case 0xf3: resultBuilder.Append('ó'); break;
+                    case 0xf5: resultBuilder.Append('õ'); break;
                     case 0xf6: resultBuilder.Append('ö'); break;
-                    case 0xf8: resultBuilder.Append('ų'); break;
+                        case 0xf8: resultBuilder.Append('ų'); break;
-                    case 0xf9: resultBuilder.Append('ł'); break;
+                        case 0xf9: resultBuilder.Append('ł'); break;
-                    case 0xfa: resultBuilder.Append('ś'); break;
+                        case 0xfa: resultBuilder.Append('ś'); break;
-                    case 0xfb: resultBuilder.Append('ū'); break;
+                        case 0xfb: resultBuilder.Append('ū'); break;
-                    case 0xfc: resultBuilder.Append('ü'); break;
+                        case 0xfc: resultBuilder.Append('ü'); break;
-                    case 0xfd: resultBuilder.Append('ż'); break;
+                        case 0xfd: resultBuilder.Append('ż'); break;
-                    case 0xfe: resultBuilder.Append('ž'); break;
+                        case 0xfe: resultBuilder.Append('ž'); break;
-                    case 0xff: resultBuilder.Append('’'); break;
+                        case 0xff: resultBuilder.Append('’'); break;
-                    default:
+                        default:
-                        throw new NotImplementedException(String.Format("0x{0:X2}", preprocessed[i]));
+                            throw new NotImplementedException(String.Format("0x{0:X2}", preprocessed[i]));
-                }
+                        }
             }
 
             return resultBuilder.ToString().ToCharArray();

skyscraper8/Skyscraper/Text/Encodings/dvb-iso-8859-7.cs

@@ -26,6 +26,7 @@ namespace skyscraper5.Skyscraper.Text.Encodings
                     case 0xa2: resultBuilder.Append('’'); break;
                     case 0xa3: resultBuilder.Append('£'); break;
                     case 0xa4: resultBuilder.Append('€'); break;
+                    case 0xa8: resultBuilder.Append('¨'); break;
                     case 0xa9: resultBuilder.Append('©'); break;
                     case 0xab: resultBuilder.Append('«'); break;
                     case 0xad: resultBuilder.Append('\u00AD'); break;

skyscraper8/Teletext/EbuTeletextDataField.cs

@@ -32,17 +32,26 @@ namespace skyscraper5.Teletext
                 {
                     //Non-Displayable Packet Y = 26 to 31
                     if (ms.GetAvailableBytes() == 0)
+                    {
+                        Valid = false;
                         return;
+                    }
                     DesignationCode = ms.ReadUInt8();
                     if (ms.GetAvailableBytes() < 39)
-	                    return;
+                    {
+                        Valid = false;
+                        return;
+                    }
                     CharacterCodes = ms.ReadBytes(39);
                 }
                 else
                 {
                     //Normal Packet (Y = 1 to 25)
                     if (ms.GetAvailableBytes() < 40)
-	                    return;
+                    {
+                        Valid = false;
+                        return;
+                    }
                     CharacterCodes = ms.ReadBytes(40);
                 }
             }