Changeset 3315

Timestamp:

Sep 22, 2010 8:39:03 AM (14 years ago)

Author:

nanang

Message:

Close #1133: added processing to remote SDP attribute "ptime".

File:

• pjproject/trunk/pjmedia/src/pjmedia/session.c (modified) (1 diff)

pjproject/trunk/pjmedia/src/pjmedia/session.c

@@ -527 +527 @@
     parse_fmtp(pool, local_m, si->fmt.pt, &si->param->setting.dec_fmtp);
 
+    /* Get the remote ptime for our encoder. */
+    attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,
+                                  "ptime", NULL);
+    if (attr) {
+        pj_str_t tmp_val = attr->value;
+        unsigned frm_per_pkt;
+ 
+        pj_strltrim(&tmp_val);
+
+        /* Round up ptime when the specified is not multiple of frm_ptime */
+        frm_per_pkt = (pj_strtoul(&tmp_val) + si->param->info.frm_ptime/2) /
+                      si->param->info.frm_ptime;
+        if (frm_per_pkt != 0) {
+            si->param->setting.frm_per_pkt = (pj_uint8_t)frm_per_pkt;
+        }
+    }
+
     /* Get remote maxptime for our encoder. */
     attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,