diff --git a/ietf/rtcp.h b/ietf/rtcp.h
index 271de61..d92b107 100644
--- a/ietf/rtcp.h
+++ b/ietf/rtcp.h
@@ -10,6 +10,16 @@ static inline void rtcp_set_rtp_version(uint8_t *p_rtcp)
     p_rtcp[0] = RTCP_RTP_VERSION << 6;
 }
 
+static inline uint8_t rtcp_get_rc(uint8_t *p_rtcp)
+{
+    return p_rtcp[0] & 0x1f;
+}
+
+static inline void rtcp_set_rc(uint8_t *p_rtcp, uint8_t rc)
+{
+    p_rtcp[0] |= rc & 0x1f;
+}
+
 static inline uint8_t rtcp_get_pt(const uint8_t *p_rtcp)
 {
     return p_rtcp[1];