demux: hls: reject subtitles

We have no demuxer for it

modules/demux/hls/HLSStreamFormat.hpp

@@ -44,6 +44,8 @@ namespace hls
                         return StreamFormat(HLSStreamFormat::PACKEDAAC);
                     else if (tail == "mp2t")
                         return StreamFormat(HLSStreamFormat::MPEG2TS);
+                    else if (tail == "binary")
+                        return StreamFormat(HLSStreamFormat::UNSUPPORTED);
                 }
                 return StreamFormat();
             }

modules/demux/hls/HLSStreams.cpp

@@ -32,10 +32,13 @@ AbstractStreamOutput *HLSStreamOutputFactory::create(demux_t *demux, const Strea
             return new HLSPackedStreamOutput(demux, format, "any");
             break;
 
-        default:
         case HLSStreamFormat::UNKNOWN:
         case HLSStreamFormat::MPEG2TS:
             return new BaseStreamOutput(demux, format, "ts");
+
+        case HLSStreamFormat::UNSUPPORTED:
+        default:
+            break;
     }
     return NULL;
 }

modules/demux/hls/playlist/Parser.cpp

@@ -397,6 +397,13 @@ M3U8 * M3U8Parser::parse(stream_t *p_stream, const std::string &playlisturl)
                 if(pair.second->getAttributeByName("NAME"))
                    altAdaptSet->description.Set(pair.second->getAttributeByName("NAME")->quotedString());
 
+                /* Subtitles unsupported for now */
+                if(pair.second->getAttributeByName("TYPE")->value != "AUDIO" &&
+                   pair.second->getAttributeByName("TYPE")->value != "VIDEO")
+                {
+                    rep->setMimeType("application/binary");
+                }
+
                 if(pair.second->getAttributeByName("LANGUAGE"))
                 {
                     std::string lang = pair.second->getAttributeByName("LANGUAGE")->quotedString();