Fork : Add checked return code for IPTV when adding filter.

TvEngine3/TVLibrary/TVLibrary/Implementations/DVB/Graphs/DVBIP/TvCardDVBIPBuiltIn.cs

@@ -56,36 +56,54 @@ public TvCardDVBIPBuiltIn(DsDevice device, int sequence)
     /// <param name="url"></param>
     protected override void AddStreamSourceFilter(string url)
     {
-      Log.Log.WriteFile("dvbip:Add MediaPortal IPTV Source Filter");
-      _filterStreamSource = FilterGraphTools.FindFilterByClsid(_graphBuilder, typeof(MPIPTVSource).GUID);
-
-      if (_filterStreamSource == null)
+      try
       {
-        _filterStreamSource = FilterGraphTools.AddFilterFromClsid(_graphBuilder, typeof (MPIPTVSource).GUID,
-                                                                  "MediaPortal IPTV Source Filter");
-      }
+        Log.Log.WriteFile("dvbip:Add MediaPortal IPTV Source Filter");
+        _filterStreamSource = FilterGraphTools.FindFilterByClsid(_graphBuilder, typeof (MPIPTVSource).GUID);
+
+        if (_filterStreamSource == null)
+        {
+          _filterStreamSource = FilterGraphTools.AddFilterFromClsid(_graphBuilder, typeof (MPIPTVSource).GUID,
+            "MediaPortal IPTV Source Filter");
+        }
 
-      AMMediaType mpeg2ProgramStream = new AMMediaType();
-      mpeg2ProgramStream.majorType = MediaType.Stream;
-      mpeg2ProgramStream.subType = MediaSubType.Mpeg2Transport;
-      mpeg2ProgramStream.unkPtr = IntPtr.Zero;
-      mpeg2ProgramStream.sampleSize = 0;
-      mpeg2ProgramStream.temporalCompression = false;
-      mpeg2ProgramStream.fixedSizeSamples = true;
-      mpeg2ProgramStream.formatType = FormatType.None;
-      mpeg2ProgramStream.formatSize = 0;
-      mpeg2ProgramStream.formatPtr = IntPtr.Zero;
-      DateTime dtNow = DateTime.Now;
-      ((IFileSourceFilter)_filterStreamSource).Load(url, mpeg2ProgramStream);
-      TimeSpan ts = DateTime.Now - dtNow;
-      //connect the [stream source] -> [inf tee]
-      Log.Log.WriteFile("dvb:  Render [source]->[inftee]");
-      int hr = _capBuilder.RenderStream(null, null, _filterStreamSource, null, _infTeeMain);
-      if (hr != 0 || ts.TotalSeconds > 3)
+        if (_filterStreamSource != null)
+        {
+          AMMediaType mpeg2ProgramStream = new AMMediaType();
+          mpeg2ProgramStream.majorType = MediaType.Stream;
+          mpeg2ProgramStream.subType = MediaSubType.Mpeg2Transport;
+          mpeg2ProgramStream.unkPtr = IntPtr.Zero;
+          mpeg2ProgramStream.sampleSize = 0;
+          mpeg2ProgramStream.temporalCompression = false;
+          mpeg2ProgramStream.fixedSizeSamples = true;
+          mpeg2ProgramStream.formatType = FormatType.None;
+          mpeg2ProgramStream.formatSize = 0;
+          mpeg2ProgramStream.formatPtr = IntPtr.Zero;
+          DateTime dtNow = DateTime.Now;
+          int filterStreamSource = ((IFileSourceFilter) _filterStreamSource).Load(url, mpeg2ProgramStream);
+          if (filterStreamSource != 0)
+          {
+            Log.Log.Error("dvb:Add source returns:0x{0:X}", filterStreamSource);
+            RemoveStreamSourceFilter();
+            throw new TvException("Unable to add source filter");
+          }
+          TimeSpan ts = DateTime.Now - dtNow;
+          //connect the [stream source] -> [inf tee]
+          Log.Log.WriteFile("dvb:  Render [source]->[inftee]");
+          int hr = _capBuilder.RenderStream(null, null, _filterStreamSource, null, _infTeeMain);
+          if (hr != 0 || ts.TotalSeconds > 3)
+          {
+            Log.Log.Error("dvb:Add source returns:0x{0:X}", hr);
+            RemoveStreamSourceFilter();
+            throw new TvException("Unable to add source filter");
+          }
+        }
+      }
+      catch (Exception)
       {
-        Log.Log.Error("dvb:Add source returns:0x{0:X}", hr);
+        Log.Log.Error("dvb:Unable to add AddStreamSourceFilter");
         RemoveStreamSourceFilter();
-        throw new TvException("Unable to add  source filter");
+        throw new TvException("Unable to add source filter");
       }
     }