[calls] sip: call: Defer setting up codecs for pipeline until activated

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 96f1cc0a309afac124d40dbbf71bfa50a91f4584
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Fri May 6 00:55:39 2022 +0200

    sip: call: Defer setting up codecs for pipeline until activated
    
    This let's us get rid of some ugly code

 plugins/sip/calls-sip-call.c   | 60 +++++++++++-------------------------------
 plugins/sip/calls-sip-call.h   |  1 -
 plugins/sip/calls-sip-origin.c |  2 --
 3 files changed, 16 insertions(+), 47 deletions(-)
---
diff --git a/plugins/sip/calls-sip-call.c b/plugins/sip/calls-sip-call.c
index 1b616f70..3a6d685b 100644
--- a/plugins/sip/calls-sip-call.c
+++ b/plugins/sip/calls-sip-call.c
@@ -78,35 +78,6 @@ G_DEFINE_TYPE_WITH_CODE (CallsSipCall, calls_sip_call, CALLS_TYPE_CALL,
                          G_IMPLEMENT_INTERFACE (CALLS_TYPE_MESSAGE_SOURCE,
                                                 calls_sip_call_message_source_interface_init))
 
-static gboolean
-try_setting_up_media_pipeline (CallsSipCall *self)
-{
-  g_assert (CALLS_SIP_CALL (self));
-
-  if (!self->codecs)
-    return FALSE;
-
-  if (calls_sip_media_pipeline_get_state (self->pipeline) ==
-      CALLS_MEDIA_PIPELINE_STATE_NEED_CODEC) {
-    MediaCodecInfo *codec = (MediaCodecInfo *) self->codecs->data;
-
-    g_debug ("Setting codec '%s' for pipeline", codec->name);
-    calls_sip_media_pipeline_set_codec (self->pipeline, codec);
-  }
-
-  g_debug ("Setting remote ports: RTP/RTCP %u/%u",
-           self->rport_rtp, self->rport_rtcp);
-
-  g_object_set (self->pipeline,
-                "remote", self->remote,
-                "rport-rtp", self->rport_rtp,
-                "rport-rtcp", self->rport_rtcp,
-                NULL);
-
-  return TRUE;
-}
-
-
 static void
 calls_sip_call_answer (CallsCall *call)
 {
@@ -129,8 +100,6 @@ calls_sip_call_answer (CallsCall *call)
   rtp_port = calls_sip_media_pipeline_get_rtp_port (self->pipeline);
   rtcp_port = calls_sip_media_pipeline_get_rtcp_port (self->pipeline);
 
-  calls_sip_call_setup_local_media_connection (self);
-
   local_sdp = calls_sip_media_manager_get_capabilities (self->manager,
                                                         self->ip,
                                                         rtp_port,
@@ -302,18 +271,6 @@ calls_sip_call_init (CallsSipCall *self)
   self->manager = calls_sip_media_manager_default ();
 }
 
-/**
- * calls_sip_call_setup_local_media_connection:
- * @self: A #CallsSipCall
- */
-void
-calls_sip_call_setup_local_media_connection (CallsSipCall *self)
-{
-  g_return_if_fail (CALLS_IS_SIP_CALL (self));
-
-  /* XXX maybe we can get rid of this completely */
-  try_setting_up_media_pipeline (self);
-}
 
 /**
  * calls_sip_call_setup_remote_media_connection:
@@ -335,7 +292,14 @@ calls_sip_call_setup_remote_media_connection (CallsSipCall *self,
   self->rport_rtp = port_rtp;
   self->rport_rtcp = port_rtcp;
 
-  try_setting_up_media_pipeline (self);
+  g_debug ("Setting remote ports: RTP/RTCP %u/%u",
+           self->rport_rtp, self->rport_rtcp);
+
+  g_object_set (self->pipeline,
+                "remote", self->remote,
+                "rport-rtp", self->rport_rtp,
+                "rport-rtcp", self->rport_rtcp,
+                NULL);
 }
 
 /**
@@ -357,6 +321,14 @@ calls_sip_call_activate_media (CallsSipCall *self,
   g_return_if_fail (CALLS_IS_SIP_MEDIA_PIPELINE (self->pipeline));
 
   if (enabled) {
+    if (calls_sip_media_pipeline_get_state (self->pipeline) ==
+        CALLS_MEDIA_PIPELINE_STATE_NEED_CODEC) {
+      MediaCodecInfo *codec = (MediaCodecInfo *) self->codecs->data;
+
+      g_debug ("Setting codec '%s' for pipeline", codec->name);
+      calls_sip_media_pipeline_set_codec (self->pipeline, codec);
+    }
+
     calls_sip_media_pipeline_start (self->pipeline);
   } else {
     calls_sip_media_pipeline_stop (self->pipeline);
diff --git a/plugins/sip/calls-sip-call.h b/plugins/sip/calls-sip-call.h
index b62e5319..5c9c1891 100644
--- a/plugins/sip/calls-sip-call.h
+++ b/plugins/sip/calls-sip-call.h
@@ -45,7 +45,6 @@ void                   calls_sip_call_setup_remote_media_connection     (CallsSi
                                                                          const char   *remote,
                                                                          guint         port_rtp,
                                                                          guint         port_rtcp);
-void                   calls_sip_call_setup_local_media_connection      (CallsSipCall *self);
 void                   calls_sip_call_activate_media                    (CallsSipCall *self,
                                                                          gboolean      enabled);
 void                   calls_sip_call_set_state                         (CallsSipCall  *self,
diff --git a/plugins/sip/calls-sip-origin.c b/plugins/sip/calls-sip-origin.c
index 4f292916..750cc4f2 100644
--- a/plugins/sip/calls-sip-origin.c
+++ b/plugins/sip/calls-sip-origin.c
@@ -272,8 +272,6 @@ add_call (CallsSipOrigin *self,
                     self);
 
   if (!inbound) {
-    calls_sip_call_setup_local_media_connection (sip_call);
-
     local_sdp = calls_sip_media_manager_static_capabilities (self->media_manager,
                                                              self->own_ip,
                                                              rtp_port,