Remove set_sender_ssrc()

It is no longer used because the status of the sender is checked
on every RTP packet

src/conn.cc

@@ -118,11 +118,6 @@ void kvz_rtp::connection::inc_sent_pkts(uint32_t ssrc)
     rtcp_->receiver_inc_sent_pkts(ssrc, 1);
 }
 
-void kvz_rtp::connection::set_sender_ssrc(sockaddr_in& addr, uint32_t ssrc)
-{
-    rtcp_->set_sender_ssrc(addr, ssrc);
-}
-
 void kvz_rtp::connection::update_receiver_stats(kvz_rtp::frame::rtp_frame *frame)
 {
     rtcp_->receiver_update_stats(frame);

src/conn.hh

@@ -67,9 +67,6 @@ namespace kvz_rtp {
          * repots about this session to dst_addr:dst_port every N seconds (see RFC 3550) */
         rtp_error_t create_rtcp(std::string dst_addr, int dst_port, int src_port);
 
-        /* Give RTCP the SSRC of this sender */
-        void set_sender_ssrc(sockaddr_in& addr, uint32_t ssrc);
-
         rtp_error_t add_rtcp_participant(kvz_rtp::connection *conn);
 
     protected:

src/rtcp.cc

@@ -100,19 +100,6 @@ void kvz_rtp::rtcp::update_rtcp_bandwidth(size_t pkt_size)
     avg_rtcp_pkt_pize_ = rtcp_byte_count_ / rtcp_pkt_count_;
 }
 
-void kvz_rtp::rtcp::set_sender_ssrc(sockaddr_in& addr, uint32_t ssrc)
-{
-    (void)addr;
-
-    if (participants_.find(ssrc) != participants_.end()) {
-        LOG_ERROR("SSRC clash detected, must be resolved!");
-        return;
-    }
-
-    /* TODO: this is not correct, find the sender from initial_peers_ (TODO: how??) */
-    add_participant(ssrc);
-}
-
 rtp_error_t kvz_rtp::rtcp::start()
 {
     if (sockets_.empty()) {

src/rtcp.hh

@@ -88,9 +88,6 @@ namespace kvz_rtp {
          * Return RTP_OK on success and RTP_ERROR on error */
         rtp_error_t add_participant(std::string dst_addr, int dst_port, int src_port);
 
-        /* TODO:  */
-        void set_sender_ssrc(sockaddr_in& addr, uint32_t ssrc);
-
         /* Functions for updating various RTP sender statistics */
         void sender_inc_seq_cycle_count();
         void sender_inc_sent_pkts(size_t n);