For #307, fix some memory leaking

trunk/src/app/srs_app_http_api.cpp

@@ -832,6 +832,7 @@ srs_error_t SrsGoApiRtcPlay::do_serve_http(ISrsHttpResponseWriter* w, ISrsHttpMe
 
     // Parse req, the request json object, from body.
     SrsJsonObject* req = NULL;
+    SrsAutoFree(SrsJsonObject, req);
     if (true) {
         string req_json;
         if ((err = r->body_read_all(req_json)) != srs_success) {

trunk/src/app/srs_app_rtc.cpp

@@ -538,6 +538,9 @@ srs_error_t SrsRtc::on_audio(SrsSharedPtrMessage* shared_audio, SrsFormat* forma
     }
 
     if (stream) {
+        char* stream_data = stream->data();
+        SrsAutoFreeA(char, stream_data);
+
         return rtp_opus_muxer->frame_to_packet(shared_audio, format, stream);
     }
 

trunk/src/app/srs_app_rtc_conn.cpp

@@ -1339,9 +1339,11 @@ void SrsRtcServer::clear()
 {
     for (int i = 0; i < (int)mmhdrs.size(); i++) {
         msghdr* hdr = &mmhdrs[i].msg_hdr;
-        for (int i = 0; i < (int)hdr->msg_iovlen; i++) {
+        for (int j = (int)hdr->msg_iovlen - 1; j >= 0 ; j--) {
-            iovec* iov = hdr->msg_iov + i;
+            iovec* iov = hdr->msg_iov + j;
-            delete (char*)iov->iov_base;
+            char* data = (char*)iov->iov_base;
+            srs_freep(data);
+            srs_freep(iov);
         }
     }