Consider RTCP feedback messages when evaluating receiver SSRC

meetecho · Dec 14, 2022 · dc4e2b9 · dc4e2b9
1 parent 2a30ea9
commit dc4e2b9
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/rtcp.c b/src/rtcp.c
@@ -138,6 +138,13 @@ guint32 janus_rtcp_get_receiver_ssrc(char *packet, int len) {
 				}
 				break;
 			}
+			case RTCP_RTPFB: {
+				/* RTPFB, Transport layer FB message (rfc4585) */
+				if (!janus_rtcp_check_fci(rtcp, total, 4))
+					break;
+				janus_rtcp_fb *rtcpfb = (janus_rtcp_fb *)rtcp;
+				return ntohl(rtcpfb->media);
+			}
 			default:
 				break;
 		}