Fix routing.

camera/routing.py

@@ -4,5 +4,5 @@ from . import consumers
 
 websocket_urlpatterns = [
     re_path(r'camera/ws/(?P<kind>host|client)/(?P<room_name>\w+)/$',
-            consumers.VideoConsumer),
+            consumers.VideoConsumer.as_asgi()),
 ]

camera/templates/index.html

@@ -373,7 +373,10 @@ form label {
         //  ... but only once icegathering is complete.
         pc.onnegotiationneeded = async function () {
           log("In pc.onnegotiationneeded...");
-          await pc.setLocalDescription(await pc.createOffer());
+          const useOffer = (!settings || !('separateIce' in settings)
+                             || !settings.separateIce);
+          await pc.setLocalDescription(
+                      await (useOffer ? pc.createOffer() : pc.createAnswer()));
           sendOffer();
         }
 
@@ -450,7 +453,7 @@ form label {
           : videoSettings == 'true'
             ? true
             : { advanced: [{facingMode: videoSettings}] };
-        log("Created videoConstraints.");
+        log("Created videoConstraints: " + JSON.stringify(videoConstraints));
         if (!videoConstraints && !audioSettings) return;
 
         const stream = videoSettings == 'screen'
@@ -471,15 +474,23 @@ form label {
           log("Added track.");
           pc.addTrack(track, stream);
         }
+        log('End of startStreaming(), creating answer...');
+        if (settings && 'separateIce' in settings && settings.separateIce) {
+          await pc.setLocalDescription(await pc.createAnswer());
+        }
       }
       function startStreamingWithErorrHandling(fromButton) {
-        startStreaming(fromButton)
-          .then(() => {
-            log("startStreaming() finished.");
-          })
-          .catch(e => {
-            log("startStreaming() errored: " + e.message);
-          });
+        try {
+          startStreaming(fromButton)
+            .then(() => {
+              log("startStreaming() finished.");
+            })
+            .catch(e => {
+              log("startStreaming() errored: " + e.message);
+            });
+        } catch (e) {
+          log("Error in startStreaming(): " + e);
+        }
       }
 
       start.addEventListener("click", _ => {
@@ -498,12 +509,20 @@ form label {
           settings = data.settings;
           startStreamingWithErorrHandling(false);
         } else if (data.description) {
-          if (pc == undefined) pc = createRTCPeerConnection();
-          await pc.setRemoteDescription(data.description);
-          if (data.description.type == "offer") {
-            log("Got an offer...");
-            await pc.setLocalDescription(await pc.createAnswer());
-            sendOffer();
+          try {
+            if (pc == undefined) pc = createRTCPeerConnection();
+            await pc.setRemoteDescription(data.description);
+            if (data.description.type == "offer") {
+              log("Got an offer...");
+              if (!settings || !('separateIce' in settings) || !settings.separateIce) {
+                await pc.setLocalDescription(await pc.createAnswer());
+                sendOffer();
+              } else {
+                log("separateIce mode, so delaying answer.");
+              }
+            }
+          } catch (e) {
+            log("Error accepting remote offer/answer: " + e);
           }
         }
       };