Changeset 4353 for pjproject/trunk/pjsip/src/pjsua-lib/pjsua_call.c

Timestamp:

Feb 19, 2013 4:16:37 PM (12 years ago)

Author:

nanang

Message:

Re #1242: Fixed overridden media direction and c=0.0.0.0 line in the re-invite. For example when sending call hold and remote answers with multiple codecs, re-invite of lock codec is sent with SDP a=sendrecv line.

File:

• pjproject/trunk/pjsip/src/pjsua-lib/pjsua_call.c (modified) (2 diffs)

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

@@ -3157 +3157 @@
     /* Check if we need to lock codec */
     need_lock_codec = check_lock_codec(call);
+    need_lock_codec = PJ_TRUE;
 
     /* Check if reinvite is really needed */
@@ -3258 +3259 @@
                     if (a) pjmedia_sdp_attr_add(&m->attr_count, m->attr, a);
                 }
-    
             }
         }
     }
+
+    /* Put back original direction and "c=0.0.0.0" line */
+    {
+        const pjmedia_sdp_session *cur_sdp;
+        
+        /* Get local active SDP */
+        status = pjmedia_sdp_neg_get_active_local(call->inv->neg, &cur_sdp);
+        if (status != PJ_SUCCESS)
+            return status;
+
+        /* Make sure media count has not been changed */
+        if (call->med_cnt != cur_sdp->media_count)
+            return PJMEDIA_SDPNEG_EINSTATE;
+
+        for (i = 0; i < call->med_cnt; ++i) {
+            const pjmedia_sdp_media *m = cur_sdp->media[i];
+            pjmedia_sdp_media *new_m = new_offer->media[i];
+            pjsua_call_media *call_med = &call->media[i];
+            pjmedia_sdp_attr *a = NULL;
+
+            /* Update direction to the current dir */
+            pjmedia_sdp_media_remove_all_attr(new_m, "sendrecv");
+            pjmedia_sdp_media_remove_all_attr(new_m, "sendonly");
+            pjmedia_sdp_media_remove_all_attr(new_m, "recvonly");
+            pjmedia_sdp_media_remove_all_attr(new_m, "inactive");
+
+            if (call_med->dir == PJMEDIA_DIR_ENCODING_DECODING) {
+                a = pjmedia_sdp_attr_create(pool, "sendrecv", NULL);
+            } else if (call_med->dir == PJMEDIA_DIR_ENCODING) {
+                a = pjmedia_sdp_attr_create(pool, "sendonly", NULL);
+            } else if (call_med->dir == PJMEDIA_DIR_DECODING) {
+                a = pjmedia_sdp_attr_create(pool, "recvonly", NULL);
+            } else {
+                const pjmedia_sdp_conn *conn;
+                a = pjmedia_sdp_attr_create(pool, "inactive", NULL);
+
+                /* Also check if the original c= line address is zero */
+                conn = m->conn;
+                if (!conn)
+                    conn = cur_sdp->conn;
+                if (pj_strcmp2(&conn->addr, "0.0.0.0")==0 ||
+                    pj_strcmp2(&conn->addr, "0")==0)
+                {
+                    if (!new_m->conn) {
+                        new_m->conn = PJ_POOL_ZALLOC_T(pool, pjmedia_sdp_conn);
+                    }
+
+                    if (pj_strcmp2(&new_m->conn->addr, "0.0.0.0")) {
+                        new_m->conn->net_type = pj_str("IN");
+                        new_m->conn->addr_type = pj_str("IP4");
+                        new_m->conn->addr = pj_str("0.0.0.0");
+                    }
+                }
+            }
+
+            pj_assert(a);
+            pjmedia_sdp_media_add_attr(new_m, a);
+        }
+    }
+
     
     if (rem_can_update) {