Changeset 3901 for pjproject/trunk/pjsip/src/pjsua-lib/pjsua_call.c

Timestamp:

Dec 7, 2011 10:43:28 AM (13 years ago)

Author:

nanang

Message:

Re #1234: Initial version of keyframe request/response via SIP INFO.

File:

• pjproject/trunk/pjsip/src/pjsua-lib/pjsua_call.c (modified) (3 diffs)

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

@@ -35 +35 @@
 #define LOCK_CODEC_MAX_RETRY         5
 
+
+/*
+ * The INFO method.
+ */
+const pjsip_method pjsip_info_method = 
+{
+    PJSIP_OTHER_METHOD,
+    { "INFO", 4 }
+};
+
+
 /* This callback receives notification from invite session when the
  * session state has changed.
@@ -501 +512 @@
 #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
     opt->video_cnt = 1;
-    //{
-    //  unsigned i;
-    //  for (i = 0; i < PJ_ARRAY_SIZE(opt->vid_cap_dev); ++i)
-    //      opt->vid_cap_dev[i] = PJMEDIA_VID_DEFAULT_CAPTURE_DEV;
-    //}
+    opt->req_keyframe_method = PJSUA_VID_REQ_KEYFRAME_SIP_INFO |
+                             PJSUA_VID_REQ_KEYFRAME_RTCP_PLI;
 #endif
 }
@@ -4191 +4199 @@
                       call->index, tsx->status_code));
         }
+    } else if (tsx->role==PJSIP_ROLE_UAS &&
+        tsx->state==PJSIP_TSX_STATE_TRYING &&
+        pjsip_method_cmp(&tsx->method, &pjsip_info_method)==0)
+    {
+        /*
+         * Incoming INFO request for media control.
+         */
+        const pj_str_t STR_APPLICATION       = { "application", 11};
+        const pj_str_t STR_MEDIA_CONTROL_XML = { "media_control+xml", 17 };
+        pjsip_rx_data *rdata = e->body.tsx_state.src.rdata;
+        pjsip_msg_body *body = rdata->msg_info.msg->body;
+
+        if (body && body->len &&
+            pj_stricmp(&body->content_type.type, &STR_APPLICATION)==0 &&
+            pj_stricmp(&body->content_type.subtype, &STR_MEDIA_CONTROL_XML)==0)
+        {
+            pjsip_tx_data *tdata;
+            pj_str_t control_st;
+            pj_status_t status;
+
+            /* Apply and answer the INFO request */
+            pj_strset(&control_st, (char*)body->data, body->len);
+            status = pjsua_media_apply_xml_control(call->index, &control_st);
+            if (status == PJ_SUCCESS) {
+                status = pjsip_endpt_create_response(tsx->endpt, rdata,
+                                                     200, NULL, &tdata);
+                if (status == PJ_SUCCESS)
+                    status = pjsip_tsx_send_msg(tsx, tdata);
+            } else {
+                status = pjsip_endpt_create_response(tsx->endpt, rdata,
+                                                     400, NULL, &tdata);
+                if (status == PJ_SUCCESS)
+                    status = pjsip_tsx_send_msg(tsx, tdata);
+            }
+        }
     }