RTC: Fix memory leak

trunk/src/app/srs_app_rtc_conn.cpp

@@ -943,6 +943,18 @@ SrsRtcPublishStream::~SrsRtcPublishStream()
         source->on_unpublish();
     }
 
+    for (int i = 0; i < (int)video_tracks_.size(); ++i) {
+        SrsRtcVideoRecvTrack* track = video_tracks_.at(i);
+        srs_freep(track);
+    }
+    video_tracks_.clear();
+
+    for (int i = 0; i < (int)audio_tracks_.size(); ++i) {
+        SrsRtcAudioRecvTrack* track = audio_tracks_.at(i);
+        srs_freep(track);
+    }
+    audio_tracks_.clear();
+
     srs_freep(timer_);
     srs_freep(pli_worker_);
     srs_freep(pli_epp);
@@ -1785,7 +1797,7 @@ srs_error_t SrsRtcConnection::add_publisher(SrsRequest* req, const SrsSdp& remot
     source->set_stream_created();
 
     // Apply the SDP to source.
-    source->set_stream_desc(stream_desc->copy());
+    source->set_stream_desc(stream_desc);
 
     // TODO: FIXME: What happends when error?
     if ((err = create_publisher(req, stream_desc)) != srs_success) {

trunk/src/app/srs_app_rtc_source.cpp

@@ -481,6 +481,9 @@ void SrsRtcStream::on_unpublish()
         h->on_unpublish();
     }
 
+    // release unpublish stream description.
+    set_stream_desc(NULL);
+
     // TODO: FIXME: Handle by statistic.
 }
 
@@ -527,7 +530,10 @@ srs_error_t SrsRtcStream::on_rtp(SrsRtpPacket2* pkt)
 void SrsRtcStream::set_stream_desc(SrsRtcStreamDescription* stream_desc)
 {
     srs_freep(stream_desc_);
-    stream_desc_ = stream_desc->copy();
+
+    if (stream_desc) {
+        stream_desc_ = stream_desc->copy();
+    }
 }
 
 std::vector<SrsRtcTrackDescription*> SrsRtcStream::get_track_desc(std::string type, std::string media_name)