Changeset 5748 for pjproject/trunk/pjmedia/include/pjmedia/sdp.h

Timestamp:

Feb 27, 2018 3:37:53 AM (6 years ago)

Author:

ming

Message:

Fixed #2098: Add SDP attribute SSRC and CNAME

File:

• pjproject/trunk/pjmedia/include/pjmedia/sdp.h (modified) (1 diff)

pjproject/trunk/pjmedia/include/pjmedia/sdp.h

@@ -332 +332 @@
 PJ_DECL(pjmedia_sdp_attr*) pjmedia_sdp_attr_create_rtcp(pj_pool_t *pool,
                                                         const pj_sockaddr *a);
+
+
+/**
+ * This structure describes SDP \a ssrc attribute.
+ */
+typedef struct pjmedia_sdp_ssrc_attr
+{
+    pj_uint32_t ssrc;       /**< RTP SSRC.      */
+    pj_str_t    cname;      /**< RTCP CNAME.    */
+} pjmedia_sdp_ssrc_attr;
+
+
+/**
+ * Parse a generic SDP attribute to get SDP ssrc attribute values.
+ *
+ * @param attr          Generic attribute to be converted to ssrc, which
+ *                      name must be "ssrc".
+ * @param ssrc          SDP ssrc attribute to be initialized.
+ *
+ * @return              PJ_SUCCESS on success.
+ */
+PJ_DECL(pj_status_t) pjmedia_sdp_attr_get_ssrc(const pjmedia_sdp_attr *attr,
+                                               pjmedia_sdp_ssrc_attr *rtcp);
+
+
+/**
+ * Create a=ssrc attribute.
+ *
+ * @param pool          Pool to create the attribute.
+ * @param ssrc          SSRC identifier.
+ * @param cname         CNAME.
+ *
+ * @return              SDP SSRC attribute.
+ */
+PJ_DECL(pjmedia_sdp_attr*) pjmedia_sdp_attr_create_ssrc(pj_pool_t *pool,
+                                                        pj_uint32_t ssrc,
+                                                        const pj_str_t *cname);