Remove dead code

trunk/src/app/srs_app_rtc_conn.cpp

@@ -1866,7 +1866,7 @@ srs_error_t SrsRtcConnection::start_publish()
     srs_error_t err = srs_success;
 
     if ((err = publisher_->start()) != srs_success) {
-        return srs_error_wrap(err, "start SrsRtcPlayStream");
+        return srs_error_wrap(err, "start");
     }
 
     return err;

trunk/src/app/srs_app_rtc_source.cpp

@@ -1409,14 +1409,6 @@ SrsRtcTrackDescription* SrsRtcStreamDescription::find_track_description_by_ssrc(
     return NULL;
 }
 
-ISrsRtcTrack::ISrsRtcTrack()
-{
-}
-
-ISrsRtcTrack::~ISrsRtcTrack()
-{
-}
-
 SrsRtcRecvTrack::SrsRtcRecvTrack(SrsRtcConnection* session, SrsRtcTrackDescription* track_desc, bool is_audio)
 {
     session_ = session;

trunk/src/app/srs_app_rtc_source.hpp

@@ -385,15 +385,6 @@ public:
     SrsRtcTrackDescription* find_track_description_by_ssrc(uint32_t ssrc);
 };
 
-class ISrsRtcTrack
-{
-public:
-    ISrsRtcTrack();
-    virtual ~ISrsRtcTrack();
-public:
-    virtual srs_error_t on_rtp(SrsRtpPacket2* pkt) = 0;
-};
-
 class SrsRtcRecvTrack
 {
 protected: