add error handling

Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs

@@ -155,6 +155,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             var durationParam = " -t " + _mediaEncoder.GetTimeParameter(duration.Ticks);
             var inputModifiers = "-fflags +genpts -async 1 -vsync -1";
             var mapArgs = string.Equals(OutputFormat, "mkv", StringComparison.OrdinalIgnoreCase) ? "-map 0" : "-sn";
+            mapArgs = "-sn";
             var commandLineArgs = "-i \"{0}\"{4} " + mapArgs + " {2} -map_metadata -1 -threads 0 {3} -y \"{1}\"";
 
             long startTimeTicks = 0;

Emby.Server.Implementations/LiveTv/ProgramImageProvider.cs

@@ -50,13 +50,16 @@ namespace Emby.Server.Implementations.LiveTv
                 {
                     var channel = _liveTvManager.GetInternalChannel(liveTvItem.ChannelId);
 
-                    var response = await service.GetProgramImageAsync(GetItemExternalId(liveTvItem), GetItemExternalId(channel), cancellationToken).ConfigureAwait(false);
-
-                    if (response != null)
+                    if (channel != null)
                     {
-                        imageResponse.HasImage = true;
-                        imageResponse.Stream = response.Stream;
-                        imageResponse.Format = response.Format;
+                        var response = await service.GetProgramImageAsync(GetItemExternalId(liveTvItem), GetItemExternalId(channel), cancellationToken).ConfigureAwait(false);
+
+                        if (response != null)
+                        {
+                            imageResponse.HasImage = true;
+                            imageResponse.Stream = response.Stream;
+                            imageResponse.Format = response.Format;
+                        }
                     }
                 }
                 catch (NotImplementedException)

MediaBrowser.MediaEncoding/Encoder/EncodingHelper.cs

@@ -1486,33 +1486,33 @@ namespace MediaBrowser.MediaEncoding.Encoder
                     //inputModifier += " -noaccurate_seek";
                 }
 
-                if (!string.IsNullOrWhiteSpace(state.InputContainer))
-                {
-                    var inputFormat = GetInputFormat(state.InputContainer);
-                    if (!string.IsNullOrWhiteSpace(inputFormat))
-                    {
-                        inputModifier += " -f " + inputFormat;
-                    }
-                }
-
-                if (state.RunTimeTicks.HasValue)
-                {
-                    foreach (var stream in state.MediaSource.MediaStreams)
-                    {
-                        if (!stream.IsExternal && stream.Type != MediaStreamType.Subtitle)
-                        {
-                            if (!string.IsNullOrWhiteSpace(stream.Codec) && stream.Index != -1)
-                            {
-                                var decoder = GetDecoderFromCodec(stream.Codec);
-
-                                if (!string.IsNullOrWhiteSpace(decoder))
-                                {
-                                    inputModifier += " -codec:" + stream.Index.ToString(_usCulture) + " " + decoder;
-                                }
-                            }
-                        }
-                    }
-                }
+                //if (!string.IsNullOrWhiteSpace(state.InputContainer))
+                //{
+                //    var inputFormat = GetInputFormat(state.InputContainer);
+                //    if (!string.IsNullOrWhiteSpace(inputFormat))
+                //    {
+                //        inputModifier += " -f " + inputFormat;
+                //    }
+                //}
+
+                //if (state.RunTimeTicks.HasValue)
+                //{
+                //    foreach (var stream in state.MediaSource.MediaStreams)
+                //    {
+                //        if (!stream.IsExternal && stream.Type != MediaStreamType.Subtitle)
+                //        {
+                //            if (!string.IsNullOrWhiteSpace(stream.Codec) && stream.Index != -1)
+                //            {
+                //                var decoder = GetDecoderFromCodec(stream.Codec);
+
+                //                if (!string.IsNullOrWhiteSpace(decoder))
+                //                {
+                //                    inputModifier += " -codec:" + stream.Index.ToString(_usCulture) + " " + decoder;
+                //                }
+                //            }
+                //        }
+                //    }
+                //}
             }
 
             return inputModifier;