For #1638, #307, add comments for api and enum

trunk/src/app/srs_app_http_api.cpp

@@ -818,6 +818,7 @@ srs_error_t SrsGoApiSdp::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage*
     string app = app_obj->to_str();
     string stream_name = stream_name_obj->to_str();
 
+    // TODO: FIXME: It seems remote_sdp doesn't represents the full SDP information.
     SrsSdp remote_sdp;
     err = remote_sdp.decode(remote_sdp_str);
     if (err != srs_success) {

trunk/src/app/srs_app_rtc_conn.hpp

@@ -110,6 +110,7 @@ private:
 
 enum SrsRtcSessionStateType
 {
+    // TODO: FIXME: Should prefixed by enum name.
     INIT = -1,
     WAITING_STUN = 1,
     DOING_DTLS_HANDSHAKE = 2,

trunk/src/app/srs_app_source.cpp

@@ -327,7 +327,6 @@ srs_error_t SrsMessageQueue::dump_packets(int max_count, SrsSharedPtrMessage** p
     return err;
 }
 
-
 srs_error_t SrsMessageQueue::dump_packets(SrsConsumer* consumer, bool atc, SrsRtmpJitterAlgorithm ag)
 {
     srs_error_t err = srs_success;

trunk/src/app/srs_app_source.hpp

@@ -325,6 +325,7 @@ public:
     virtual SrsSharedPtrMessage* pop();
 };
 
+// To find the RTP packet for RTX or restore.
 class SrsRtpPacketQueue
 {
 private: