Various call fixes

- Don't create incoming CIM calls twice
- Fix is_color check for video devices w/ multiple formats
- Tolerate mismatching content creator on jingle responses
- Change MUJI namespace to urn:xmpp:jingle:muji:0

libdino/src/service/call_peer_state.vala

@@ -12,7 +12,7 @@ public class Dino.PeerState : Object {
     public signal void encryption_updated(Xep.Jingle.ContentEncryption? audio_encryption, Xep.Jingle.ContentEncryption? video_encryption, bool same);
 
     public StreamInteractor stream_interactor;
-    CallState call_state;
+    public CallState call_state;
     public Calls calls;
     public Call call;
     public Jid jid;

libdino/src/service/calls.vala

@@ -48,9 +48,9 @@ namespace Dino {
             stream_interactor.get_module(CallStore.IDENTITY).add_call(call, conversation);
 
             var call_state = new CallState(call, stream_interactor);
+            connect_call_state_signals(call_state);
             call_state.we_should_send_video = video;
             call_state.we_should_send_audio = true;
-            connect_call_state_signals(call_state);
 
             if (conversation.type_ == Conversation.Type.CHAT) {
                 call.add_peer(conversation.counterpart);
@@ -205,6 +205,9 @@ namespace Dino {
             // This is a direct call without prior JMI. Ask user.
             PeerState peer_state = create_received_call(account, session.peer_full_jid, account.full_jid, counterpart_wants_video);
             peer_state.set_session(session);
+            Conversation conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(peer_state.call.counterpart.bare_jid, account, Conversation.Type.CHAT);
+            call_incoming(peer_state.call, peer_state.call_state, conversation, counterpart_wants_video, false);
+
             stream_interactor.module_manager.get_module(account, Xep.JingleRtp.Module.IDENTITY).session_info_type.send_ringing(session);
         }
 
@@ -237,12 +240,6 @@ namespace Dino {
             call_state.we_should_send_video = video_requested;
             call_state.we_should_send_audio = true;
 
-            if (call.direction == Call.DIRECTION_INCOMING) {
-                call_incoming(call, call_state, conversation, video_requested, false);
-            } else {
-                call_outgoing(call, call_state, conversation);
-            }
-
             return peer_state;
         }
 
@@ -305,6 +302,7 @@ namespace Dino {
 
             // TODO create conv
             Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(inviter_jid.bare_jid, account);
+            if (conversation == null) return null;
             stream_interactor.get_module(CallStore.IDENTITY).add_call(call, conversation);
             conversation.last_active = call.time;
 
@@ -348,18 +346,25 @@ namespace Dino {
 
             Xep.JingleMessageInitiation.Module mi_module = stream_interactor.module_manager.get_module(account, Xep.JingleMessageInitiation.Module.IDENTITY);
             mi_module.session_proposed.connect((from, to, sid, descriptions) => {
+
+                if (stream_interactor.get_module(MucManager.IDENTITY).might_be_groupchat(from.bare_jid, account)) return;
+
                 bool audio_requested = descriptions.any_match((description) => description.ns_uri == Xep.JingleRtp.NS_URI && description.get_attribute("media") == "audio");
                 bool video_requested = descriptions.any_match((description) => description.ns_uri == Xep.JingleRtp.NS_URI && description.get_attribute("media") == "video");
                 if (!audio_requested && !video_requested) return;
 
                 PeerState peer_state = create_received_call(account, from, to, video_requested);
                 peer_state.sid = sid;
-
                 CallState call_state = call_states[peer_state.call];
-                call_state.we_should_send_audio = true;
-                call_state.we_should_send_video = video_requested;
 
-                jmi_request_peer[call_state.call] = peer_state;
+                jmi_request_peer[peer_state.call] = peer_state;
+
+                Conversation conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(call_state.call.counterpart.bare_jid, account, Conversation.Type.CHAT);
+                if (call_state.call.direction == Call.DIRECTION_INCOMING) {
+                    call_incoming(call_state.call, call_state, conversation, video_requested, false);
+                } else {
+                    call_outgoing(call_state.call, call_state, conversation);
+                }
             });
             mi_module.session_accepted.connect((from, to, sid) => {
                 PeerState? peer_state = get_peer_by_sid(account, sid, from, to);
@@ -442,7 +447,7 @@ namespace Dino {
                     } else if (join_method_node.name == "jingle" && join_method_node.ns_uri == Xep.CallInvites.NS_URI) {
                         // This is an invite for a direct Jingle session
 
-                        if (message_stanza.type_ != Xmpp.MessageStanza.TYPE_CHAT) return;
+                        if (stream_interactor.get_module(MucManager.IDENTITY).might_be_groupchat(from_jid.bare_jid, account)) return;
 
                         string? sid = join_method_node.get_attribute("sid");
                         if (sid == null) return;
@@ -472,7 +477,11 @@ namespace Dino {
                 conversation.last_active = call_state.call.time;
                 if (conversation == null) return;
 
+                if (call_state.call.direction == Call.DIRECTION_INCOMING) {
                     call_incoming(call_state.call, call_state, conversation, video_requested, multiparty);
+                } else {
+                    call_outgoing(call_state.call, call_state, conversation);
+                }
             });
             call_invites_module.call_accepted.connect((from_jid, to_jid, call_id, message_type) => {
                 CallState? call_state = get_call_state_by_call_id(account, call_id, from_jid, to_jid);

plugins/rtp/src/plugin.vala

@@ -350,10 +350,16 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
             if (device.media != "video") continue;
             if (device.is_sink) continue;
 
+            // Skip monitors
+            if (device.is_monitor) continue;
+
             bool is_color = false;
             for (int i = 0; i < device.device.caps.get_size(); i++) {
                 unowned Gst.Structure structure = device.device.caps.get_structure(i);
-                if (structure.has_field("format") && !structure.get_string("format").has_prefix("GRAY")) {
+                if (!structure.has_field("format")) continue;
+                // "format" might be an array and get_string() will then return null. We just assume arrays to be fine.
+                string? format = structure.get_string("format");
+                if (format == null || !format.has_prefix("GRAY")) {
                     is_color = true;
                 }
             }
@@ -361,9 +367,6 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
             // Don't allow grey-scale devices
             if (!is_color) continue;
 
-            // Skip monitors
-            if (device.is_monitor) continue;
-
             if (device.protocol == DeviceProtocol.PIPEWIRE) {
                 pipewire_devices.add(device);
             } else {

xmpp-vala/src/module/xep/0166_jingle/session.vala

@@ -105,9 +105,7 @@ public class Xmpp.Xep.Jingle.Session : Object {
 
             Content content = contents_map[content_node.name];
 
-            if (content_node.creator != content.content_creator) {
+            if (content_node.creator != content.content_creator) warning("Received transport-* with unexpected content creator from %s", peer_full_jid.to_string());
-                throw new IqError.BAD_REQUEST("unknown content; creator");
-            }
 
             switch (action) {
                 case "transport-accept":
@@ -135,9 +133,7 @@ public class Xmpp.Xep.Jingle.Session : Object {
 
             Content content = contents_map[content_node.name];
 
-            if (content_node.creator != content.content_creator) {
+            if (content_node.creator != content.content_creator) warning("Received description-info with unexpected content creator from %s", peer_full_jid.to_string());
-                throw new IqError.BAD_REQUEST("unknown content; creator");
-            }
 
             content.on_description_info(stream, content_node.description, jingle, iq);
         } else if (action == "security-info") {

xmpp-vala/src/module/xep/0272_muji.vala

@@ -1,7 +1,7 @@
 using Gee;
 namespace Xmpp.Xep.Muji {
 
-    public const string NS_URI = "http://telepathy.freedesktop.org/muji";
+    public const string NS_URI = "urn:xmpp:jingle:muji:0";
 
     public class Module : XmppStreamModule {
         public static ModuleIdentity<Module> IDENTITY = new ModuleIdentity<Module>(NS_URI, "0272_muji");

xmpp-vala/src/module/xep/0353_jingle_message_initiation.vala

@@ -51,6 +51,8 @@ namespace Xmpp.Xep.JingleMessageInitiation {
         }
 
         private void on_received_message(XmppStream stream, MessageStanza message) {
+            if (message.type_ == MessageStanza.TYPE_GROUPCHAT) return;
+
             Xep.MessageArchiveManagement.MessageFlag? mam_flag = Xep.MessageArchiveManagement.MessageFlag.get_flag(message);
             if (mam_flag != null) return;