Properly catch exceptions in stream broadcast handlers to prevent unhandled exception crash/termination.

sunshine/stream.cpp

@@ -963,6 +963,7 @@ void videoBroadcastThread(udp::socket &sock) {
       fec_blocks[0] = payload;
     }
 
+    try {
       auto blockIndex = 0;
       std::for_each(fec_blocks_begin, fec_blocks_end, [&](std::string_view &current_payload) {
         auto packets = (current_payload.size() + (blocksize - 1)) / blocksize;
@@ -1021,6 +1022,11 @@ void videoBroadcastThread(udp::socket &sock) {
 
       session->video.lowseq = lowseq;
     }
+    catch(const std::exception &e) {
+      BOOST_LOG(error) << "Broadcast video failed "sv << e.what();
+      std::this_thread::sleep_for(100ms);
+    }
+  }
 
   shutdown_event->raise(true);
 }
@@ -1077,6 +1083,7 @@ void audioBroadcastThread(udp::socket &sock) {
     auto &shards_p = session->audio.shards_p;
 
     std::copy_n(audio_packet->payload(), bytes, shards_p[sequenceNumber % RTPA_DATA_SHARDS]);
+    try {
       sock.send_to(asio::buffer((char *)audio_packet.get(), sizeof(audio_packet_raw_t) + bytes), session->audio.peer);
 
 
@@ -1102,6 +1109,11 @@ void audioBroadcastThread(udp::socket &sock) {
         }
       }
     }
+    catch(const std::exception &e) {
+      BOOST_LOG(error) << "Broadcast audio failed "sv << e.what();
+      std::this_thread::sleep_for(100ms);
+    }
+  }
 
   shutdown_event->raise(true);
 }