Changeset 1549 for pjproject

Timestamp:

Nov 5, 2007 5:54:25 AM (17 years ago)

Author:

bennylp

Message:

Increment SDP version upon creating subsequent offer inside the call (ref: Sipit21/Mon/12:30)

File:

• pjproject/trunk/pjsip/src/pjsua-lib/pjsua_call.c (modified) (4 diffs)

pjproject/trunk/pjsip/src/pjsua-lib/pjsua_call.c

@@ -72 +72 @@
                                        pjmedia_sdp_session **p_answer);
 
+/* Update SDP version in the offer */
+static void update_sdp_version(pjsua_call *call,
+                               pjmedia_sdp_session *sdp)
+{
+    const pjmedia_sdp_session *old_sdp = NULL;
+    pj_status_t status;
+
+    status = pjmedia_sdp_neg_get_active_local(call->inv->neg, &old_sdp);
+    if (status != PJ_SUCCESS || old_sdp == NULL)
+        return;
+
+    sdp->origin.version = old_sdp->origin.version + 1;
+}
+
+
 /*
  * Callback called by event framework when the xfer subscription state
@@ -1223 +1238 @@
     }
 
+    update_sdp_version(call, sdp);
+
     /* Create re-INVITE with new offer */
     status = pjsip_inv_reinvite( call->inv, NULL, sdp, &tdata);
@@ -1293 +1310 @@
         return status;
     }
+
+    update_sdp_version(call, sdp);
 
     /* Create re-INVITE with new offer */
@@ -2507 +2526 @@
     }
 
+    update_sdp_version(call, *offer);
 
     PJSUA_UNLOCK();