From 717e811002bdea8c0e321eccddaa980bf73203be Mon Sep 17 00:00:00 2001
From: winlin <winlin@vip.126.com>
Date: Fri, 14 May 2021 09:10:41 +0800
Subject: [PATCH] Change virtual public to public. 4.0.109

---
 README.md                                      |  1 +
 trunk/src/app/srs_app_caster_flv.hpp           |  6 ++----
 trunk/src/app/srs_app_conn.hpp                 | 10 +++++-----
 trunk/src/app/srs_app_http_api.hpp             |  6 +++---
 trunk/src/app/srs_app_http_conn.hpp            |  8 ++++----
 trunk/src/app/srs_app_http_static.hpp          |  2 +-
 trunk/src/app/srs_app_http_stream.hpp          |  4 ++--
 trunk/src/app/srs_app_mpegts_udp.hpp           |  2 +-
 trunk/src/app/srs_app_recv_thread.hpp          |  4 ++--
 trunk/src/app/srs_app_rtc_conn.hpp             |  4 ++--
 trunk/src/app/srs_app_rtc_dtls.hpp             |  2 +-
 trunk/src/app/srs_app_rtc_source.hpp           |  4 ++--
 trunk/src/app/srs_app_rtmp_conn.hpp            |  4 ++--
 trunk/src/app/srs_app_server.hpp               | 14 +++++++-------
 trunk/src/app/srs_app_source.hpp               |  2 +-
 trunk/src/core/srs_core_version4.hpp           |  2 +-
 trunk/src/kernel/srs_kernel_io.hpp             |  6 +++---
 trunk/src/main/srs_main_ingest_hls.cpp         |  2 +-
 trunk/src/protocol/srs_protocol_io.hpp         |  6 +++---
 trunk/src/protocol/srs_protocol_kbps.hpp       |  2 +-
 trunk/src/protocol/srs_service_http_client.hpp |  2 +-
 trunk/src/protocol/srs_service_http_conn.hpp   |  2 +-
 trunk/src/utest/srs_utest_http.cpp             |  2 +-
 trunk/src/utest/srs_utest_http.hpp             |  2 +-
 trunk/src/utest/srs_utest_rtc.cpp              |  2 +-
 25 files changed, 50 insertions(+), 51 deletions(-)

diff --git a/README.md b/README.md
index b4699a618..bb5ec34b2 100755
--- a/README.md
+++ b/README.md
@@ -176,6 +176,7 @@ The ports used by SRS:
 
 ## V4 changes
 
+* v4.0, 2021-05-14, Change virtual public to public. 4.0.109
 * v4.0, 2021-05-14, Refine id and vid for statistic. 4.0.108
 * v4.0, 2021-05-09, Refine tid for sdk and demos. 4.0.106
 * v4.0, 2021-05-08, Refine shared fast timer. 4.0.105
diff --git a/trunk/src/app/srs_app_caster_flv.hpp b/trunk/src/app/srs_app_caster_flv.hpp
index 5042ebf6e..13800d17c 100644
--- a/trunk/src/app/srs_app_caster_flv.hpp
+++ b/trunk/src/app/srs_app_caster_flv.hpp
@@ -47,8 +47,7 @@ class SrsSimpleRtmpClient;
 #include <srs_kernel_file.hpp>
 
 // The stream caster for flv stream over HTTP POST.
-class SrsAppCasterFlv : virtual public ISrsTcpHandler
-    , virtual public ISrsResourceManager, virtual public ISrsHttpHandler
+class SrsAppCasterFlv : public ISrsTcpHandler, public ISrsResourceManager, public ISrsHttpHandler
 {
 private:
     std::string output;
@@ -72,8 +71,7 @@ public:
 };
 
 // The dynamic http connection, never drop the body.
-class SrsDynamicHttpConn : virtual public ISrsStartableConneciton, virtual public ISrsHttpConnOwner
-    , virtual public ISrsReloadHandler
+class SrsDynamicHttpConn : public ISrsStartableConneciton, public ISrsHttpConnOwner, public ISrsReloadHandler
 {
 private:
     // The manager object to manage the connection.
diff --git a/trunk/src/app/srs_app_conn.hpp b/trunk/src/app/srs_app_conn.hpp
index c992c3fc2..dc6b30669 100644
--- a/trunk/src/app/srs_app_conn.hpp
+++ b/trunk/src/app/srs_app_conn.hpp
@@ -77,7 +77,7 @@ public:
 };
 
 // The resource manager remove resource and delete it asynchronously.
-class SrsResourceManager : virtual public ISrsCoroutineHandler, virtual public ISrsResourceManager
+class SrsResourceManager : public ISrsCoroutineHandler, public ISrsResourceManager
 {
 private:
     std::string label_;
@@ -153,8 +153,8 @@ public:
 };
 
 // Interface for connection that is startable.
-class ISrsStartableConneciton : virtual public ISrsConnection
-    , virtual public ISrsStartable, virtual public ISrsKbpsDelta
+class ISrsStartableConneciton : public ISrsConnection
+    , public ISrsStartable, public ISrsKbpsDelta
 {
 public:
     ISrsStartableConneciton();
@@ -164,7 +164,7 @@ public:
 // The basic connection of SRS, for TCP based protocols,
 // all connections accept from listener must extends from this base class,
 // server will add the connection to manager, and delete it when remove.
-class SrsTcpConnection : virtual public ISrsProtocolReadWriter
+class SrsTcpConnection : public ISrsProtocolReadWriter
 {
 private:
     // The underlayer st fd handler.
@@ -196,7 +196,7 @@ public:
 };
 
 // The SSL connection over TCP transport, in server mode.
-class SrsSslConnection : virtual public ISrsProtocolReadWriter
+class SrsSslConnection : public ISrsProtocolReadWriter
 {
 private:
     // The under-layer plaintext transport.
diff --git a/trunk/src/app/srs_app_http_api.hpp b/trunk/src/app/srs_app_http_api.hpp
index bb19299a5..87d55d5bf 100644
--- a/trunk/src/app/srs_app_http_api.hpp
+++ b/trunk/src/app/srs_app_http_api.hpp
@@ -185,7 +185,7 @@ public:
     virtual srs_error_t serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
 };
 
-class SrsGoApiRaw : virtual public ISrsHttpHandler, virtual public ISrsReloadHandler
+class SrsGoApiRaw : public ISrsHttpHandler, public ISrsReloadHandler
 {
 private:
     SrsServer* server;
@@ -247,8 +247,8 @@ public:
 #endif
 
 // Handle the HTTP API request.
-class SrsHttpApi : virtual public ISrsStartableConneciton, virtual public ISrsHttpConnOwner
-    , virtual public ISrsReloadHandler
+class SrsHttpApi : public ISrsStartableConneciton, public ISrsHttpConnOwner
+    , public ISrsReloadHandler
 {
 private:
     // The manager object to manage the connection.
diff --git a/trunk/src/app/srs_app_http_conn.hpp b/trunk/src/app/srs_app_http_conn.hpp
index b7c2b7fb3..4331fefe8 100644
--- a/trunk/src/app/srs_app_http_conn.hpp
+++ b/trunk/src/app/srs_app_http_conn.hpp
@@ -75,8 +75,8 @@ public:
 };
 
 // The http connection which request the static or stream content.
-class SrsHttpConn : virtual public ISrsStartableConneciton, virtual public ISrsCoroutineHandler
-    , virtual public ISrsExpire
+class SrsHttpConn : public ISrsStartableConneciton, public ISrsCoroutineHandler
+    , public ISrsExpire
 {
 protected:
     SrsHttpParser* parser;
@@ -143,8 +143,8 @@ public:
 };
 
 // Drop body of request, only process the response.
-class SrsResponseOnlyHttpConn : virtual public ISrsStartableConneciton, virtual public ISrsHttpConnOwner
-    , virtual public ISrsReloadHandler
+class SrsResponseOnlyHttpConn : public ISrsStartableConneciton, public ISrsHttpConnOwner
+    , public ISrsReloadHandler
 {
 private:
     // The manager object to manage the connection.
diff --git a/trunk/src/app/srs_app_http_static.hpp b/trunk/src/app/srs_app_http_static.hpp
index 6852c6588..1595809ee 100644
--- a/trunk/src/app/srs_app_http_static.hpp
+++ b/trunk/src/app/srs_app_http_static.hpp
@@ -44,7 +44,7 @@ protected:
 
 // The http static server instance,
 // serve http static file and flv/mp4 vod stream.
-class SrsHttpStaticServer : virtual public ISrsReloadHandler
+class SrsHttpStaticServer : public ISrsReloadHandler
 {
 private:
     SrsServer* server;
diff --git a/trunk/src/app/srs_app_http_stream.hpp b/trunk/src/app/srs_app_http_stream.hpp
index 82d62db39..de8a25d87 100755
--- a/trunk/src/app/srs_app_http_stream.hpp
+++ b/trunk/src/app/srs_app_http_stream.hpp
@@ -231,8 +231,8 @@ public:
 
 // The HTTP Live Streaming Server, to serve FLV/TS/MP3/AAC stream.
 // TODO: Support multiple stream.
-class SrsHttpStreamServer : virtual public ISrsReloadHandler
-, virtual public ISrsHttpMatchHijacker
+class SrsHttpStreamServer : public ISrsReloadHandler
+, public ISrsHttpMatchHijacker
 {
 private:
     SrsServer* server;
diff --git a/trunk/src/app/srs_app_mpegts_udp.hpp b/trunk/src/app/srs_app_mpegts_udp.hpp
index c6aeaa27a..64efe84e7 100644
--- a/trunk/src/app/srs_app_mpegts_udp.hpp
+++ b/trunk/src/app/srs_app_mpegts_udp.hpp
@@ -67,7 +67,7 @@ public:
 };
 
 // The mpegts over udp stream caster.
-class SrsMpegtsOverUdp : virtual public ISrsTsHandler, virtual public ISrsUdpHandler
+class SrsMpegtsOverUdp : public ISrsTsHandler, public ISrsUdpHandler
 {
 private:
     SrsTsContext* context;
diff --git a/trunk/src/app/srs_app_recv_thread.hpp b/trunk/src/app/srs_app_recv_thread.hpp
index d6fb7f8db..792b862c0 100644
--- a/trunk/src/app/srs_app_recv_thread.hpp
+++ b/trunk/src/app/srs_app_recv_thread.hpp
@@ -138,9 +138,9 @@ public:
 
 // The publish recv thread got message and callback the source method to process message.
 // @see: https://github.com/ossrs/srs/issues/237
-class SrsPublishRecvThread : virtual public ISrsMessagePumper, virtual public ISrsReloadHandler
+class SrsPublishRecvThread : public ISrsMessagePumper, public ISrsReloadHandler
 #ifdef SRS_PERF_MERGED_READ
-    , virtual public IMergeReadHandler
+    , public IMergeReadHandler
 #endif
 {
 private:
diff --git a/trunk/src/app/srs_app_rtc_conn.hpp b/trunk/src/app/srs_app_rtc_conn.hpp
index 567c47c39..9010f87ae 100644
--- a/trunk/src/app/srs_app_rtc_conn.hpp
+++ b/trunk/src/app/srs_app_rtc_conn.hpp
@@ -192,7 +192,7 @@ public:
 };
 
 // A worker coroutine to request the PLI.
-class SrsRtcPLIWorker : virtual public ISrsCoroutineHandler
+class SrsRtcPLIWorker : public ISrsCoroutineHandler
 {
 private:
     SrsCoroutine* trd_;
@@ -419,7 +419,7 @@ private:
 
 // A RTC Peer Connection, SDP level object.
 //
-// For performance, we use non-virtual public from resource,
+// For performance, we use non-public from resource,
 // see https://stackoverflow.com/questions/3747066/c-cannot-convert-from-base-a-to-derived-type-b-via-virtual-base-a
 class SrsRtcConnection : public ISrsResource, public ISrsDisposingHandler
 {
diff --git a/trunk/src/app/srs_app_rtc_dtls.hpp b/trunk/src/app/srs_app_rtc_dtls.hpp
index 0938f30c6..30eedb231 100644
--- a/trunk/src/app/srs_app_rtc_dtls.hpp
+++ b/trunk/src/app/srs_app_rtc_dtls.hpp
@@ -144,7 +144,7 @@ protected:
     virtual bool is_dtls_client() = 0;
 };
 
-class SrsDtlsClientImpl : virtual public SrsDtlsImpl, virtual public ISrsCoroutineHandler
+class SrsDtlsClientImpl : public SrsDtlsImpl, public ISrsCoroutineHandler
 {
 private:
     // ARQ thread, for role active(DTLS client).
diff --git a/trunk/src/app/srs_app_rtc_source.hpp b/trunk/src/app/srs_app_rtc_source.hpp
index bf435996d..1c53d2140 100644
--- a/trunk/src/app/srs_app_rtc_source.hpp
+++ b/trunk/src/app/srs_app_rtc_source.hpp
@@ -573,7 +573,7 @@ protected:
     virtual srs_error_t do_check_send_nacks(uint32_t& timeout_nacks);
 };
 
-class SrsRtcAudioRecvTrack : virtual public SrsRtcRecvTrack, virtual public ISrsRtpPacketDecodeHandler
+class SrsRtcAudioRecvTrack : public SrsRtcRecvTrack, public ISrsRtpPacketDecodeHandler
 {
 public:
     SrsRtcAudioRecvTrack(SrsRtcConnection* session, SrsRtcTrackDescription* track_desc);
@@ -585,7 +585,7 @@ public:
     virtual srs_error_t check_send_nacks();
 };
 
-class SrsRtcVideoRecvTrack : virtual public SrsRtcRecvTrack, virtual public ISrsRtpPacketDecodeHandler
+class SrsRtcVideoRecvTrack : public SrsRtcRecvTrack, public ISrsRtpPacketDecodeHandler
 {
 public:
     SrsRtcVideoRecvTrack(SrsRtcConnection* session, SrsRtcTrackDescription* stream_descs);
diff --git a/trunk/src/app/srs_app_rtmp_conn.hpp b/trunk/src/app/srs_app_rtmp_conn.hpp
index 495e2623c..acfc15c70 100644
--- a/trunk/src/app/srs_app_rtmp_conn.hpp
+++ b/trunk/src/app/srs_app_rtmp_conn.hpp
@@ -83,8 +83,8 @@ public:
 };
 
 // The client provides the main logic control for RTMP clients.
-class SrsRtmpConn : virtual public ISrsStartableConneciton, virtual public ISrsReloadHandler
-    , virtual public ISrsCoroutineHandler, virtual public ISrsExpire
+class SrsRtmpConn : public ISrsStartableConneciton, public ISrsReloadHandler
+    , public ISrsCoroutineHandler, public ISrsExpire
 {
     // For the thread to directly access any field of connection.
     friend class SrsPublishRecvThread;
diff --git a/trunk/src/app/srs_app_server.hpp b/trunk/src/app/srs_app_server.hpp
index 0b007cea8..83b2a9b4c 100644
--- a/trunk/src/app/srs_app_server.hpp
+++ b/trunk/src/app/srs_app_server.hpp
@@ -101,7 +101,7 @@ public:
 };
 
 // A buffered TCP listener.
-class SrsBufferListener : virtual public SrsListener, virtual public ISrsTcpHandler
+class SrsBufferListener : public SrsListener, public ISrsTcpHandler
 {
 private:
     SrsTcpListener* listener;
@@ -116,7 +116,7 @@ public:
 };
 
 // A TCP listener, for rtsp server.
-class SrsRtspListener : virtual public SrsListener, virtual public ISrsTcpHandler
+class SrsRtspListener : public SrsListener, public ISrsTcpHandler
 {
 private:
     SrsTcpListener* listener;
@@ -132,7 +132,7 @@ public:
 };
 
 // A TCP listener, for flv stream server.
-class SrsHttpFlvListener : virtual public SrsListener, virtual public ISrsTcpHandler
+class SrsHttpFlvListener : public SrsListener, public ISrsTcpHandler
 {
 private:
     SrsTcpListener* listener;
@@ -178,7 +178,7 @@ public:
     virtual ~SrsGb28181Listener();
 };
 
-class SrsGb28181TcpListener : virtual public SrsListener, virtual public ISrsTcpHandler
+class SrsGb28181TcpListener : public SrsListener, public ISrsTcpHandler
 {
 private:
 	SrsTcpListener* listener;
@@ -261,9 +261,9 @@ public:
 
 // TODO: FIXME: Rename to SrsLiveServer.
 // SRS RTMP server, initialize and listen, start connection service thread, destroy client.
-class SrsServer : virtual public ISrsReloadHandler, virtual public ISrsSourceHandler
-    , virtual public ISrsResourceManager, virtual public ISrsCoroutineHandler
-    , virtual public ISrsHourGlass
+class SrsServer : public ISrsReloadHandler, public ISrsSourceHandler
+    , public ISrsResourceManager, public ISrsCoroutineHandler
+    , public ISrsHourGlass
 {
 private:
     // TODO: FIXME: Extract an HttpApiServer.
diff --git a/trunk/src/app/srs_app_source.hpp b/trunk/src/app/srs_app_source.hpp
index 4a5905895..aad6cd9f7 100644
--- a/trunk/src/app/srs_app_source.hpp
+++ b/trunk/src/app/srs_app_source.hpp
@@ -183,7 +183,7 @@ public:
 };
 
 // The consumer for SrsSource, that is a play client.
-class SrsConsumer : virtual public ISrsWakable
+class SrsConsumer : public ISrsWakable
 {
 private:
     SrsRtmpJitter* jitter;
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index 35a083367..e8ac1ef24 100644
--- a/trunk/src/core/srs_core_version4.hpp
+++ b/trunk/src/core/srs_core_version4.hpp
@@ -26,6 +26,6 @@
 
 #define VERSION_MAJOR       4
 #define VERSION_MINOR       0
-#define VERSION_REVISION    108
+#define VERSION_REVISION    109
 
 #endif
diff --git a/trunk/src/kernel/srs_kernel_io.hpp b/trunk/src/kernel/srs_kernel_io.hpp
index eaba237dc..b567c3200 100644
--- a/trunk/src/kernel/srs_kernel_io.hpp
+++ b/trunk/src/kernel/srs_kernel_io.hpp
@@ -71,7 +71,7 @@ public:
 /**
  * The reader and seeker.
  */
-class ISrsReadSeeker : virtual public ISrsReader, virtual public ISrsSeeker
+class ISrsReadSeeker : public ISrsReader, public ISrsSeeker
 {
 public:
     ISrsReadSeeker();
@@ -115,7 +115,7 @@ public:
 /**
  * The generally writer, stream and vector writer.
  */
-class ISrsWriter : virtual public ISrsStreamWriter, virtual public ISrsVectorWriter
+class ISrsWriter : public ISrsStreamWriter, public ISrsVectorWriter
 {
 public:
     ISrsWriter();
@@ -125,7 +125,7 @@ public:
 /**
  * The writer and seeker.
  */
-class ISrsWriteSeeker : virtual public ISrsWriter, virtual public ISrsSeeker
+class ISrsWriteSeeker : public ISrsWriter, public ISrsSeeker
 {
 public:
     ISrsWriteSeeker();
diff --git a/trunk/src/main/srs_main_ingest_hls.cpp b/trunk/src/main/srs_main_ingest_hls.cpp
index 8bacabb45..225bbd0a8 100644
--- a/trunk/src/main/srs_main_ingest_hls.cpp
+++ b/trunk/src/main/srs_main_ingest_hls.cpp
@@ -639,7 +639,7 @@ int SrsIngestHlsInput::SrsTsPiece::fetch(string m3u8)
 }
 
 // the context to output to rtmp server
-class SrsIngestHlsOutput : virtual public ISrsTsHandler, virtual public ISrsAacHandler
+class SrsIngestHlsOutput : public ISrsTsHandler, public ISrsAacHandler
 {
 private:
     SrsHttpUri* out_rtmp;
diff --git a/trunk/src/protocol/srs_protocol_io.hpp b/trunk/src/protocol/srs_protocol_io.hpp
index 02204c942..38d7585d8 100644
--- a/trunk/src/protocol/srs_protocol_io.hpp
+++ b/trunk/src/protocol/srs_protocol_io.hpp
@@ -75,7 +75,7 @@ public:
 /**
  * the reader for the protocol to read from whatever channel.
  */
-class ISrsProtocolReader : virtual public ISrsReader, virtual public ISrsProtocolStatistic
+class ISrsProtocolReader : public ISrsReader, virtual public ISrsProtocolStatistic
 {
 public:
     ISrsProtocolReader();
@@ -97,7 +97,7 @@ public:
 /**
  * the writer for the protocol to write to whatever channel.
  */
-class ISrsProtocolWriter : virtual public ISrsWriter, virtual public ISrsProtocolStatistic
+class ISrsProtocolWriter : public ISrsWriter, virtual public ISrsProtocolStatistic
 {
 public:
     ISrsProtocolWriter();
@@ -114,7 +114,7 @@ public:
 /**
  * The reader and writer.
  */
-class ISrsProtocolReadWriter : virtual public ISrsProtocolReader, virtual public ISrsProtocolWriter
+class ISrsProtocolReadWriter : public ISrsProtocolReader, public ISrsProtocolWriter
 {
 public:
     ISrsProtocolReadWriter();
diff --git a/trunk/src/protocol/srs_protocol_kbps.hpp b/trunk/src/protocol/srs_protocol_kbps.hpp
index d473a9794..197132d83 100644
--- a/trunk/src/protocol/srs_protocol_kbps.hpp
+++ b/trunk/src/protocol/srs_protocol_kbps.hpp
@@ -137,7 +137,7 @@ public:
  *      user->set_io(kbps, kbps);
  *   the server never know how many bytes already send/recv, for the connection maybe closed.
  */
-class SrsKbps : virtual public ISrsProtocolStatistic, virtual public ISrsKbpsDelta
+class SrsKbps : public ISrsProtocolStatistic, public ISrsKbpsDelta
 {
 private:
     SrsKbpsSlice is;
diff --git a/trunk/src/protocol/srs_service_http_client.hpp b/trunk/src/protocol/srs_service_http_client.hpp
index 93e2a05b1..3d9f6adff 100644
--- a/trunk/src/protocol/srs_service_http_client.hpp
+++ b/trunk/src/protocol/srs_service_http_client.hpp
@@ -46,7 +46,7 @@ class SrsTcpClient;
 #define SRS_HTTP_CLIENT_TIMEOUT (30 * SRS_UTIME_SECONDS)
 
 // The SSL client over TCP transport.
-class SrsSslClient : virtual public ISrsReader, virtual public ISrsStreamWriter
+class SrsSslClient : public ISrsReader, public ISrsStreamWriter
 {
 private:
     SrsTcpClient* transport;
diff --git a/trunk/src/protocol/srs_service_http_conn.hpp b/trunk/src/protocol/srs_service_http_conn.hpp
index a1b3e381c..f27308113 100644
--- a/trunk/src/protocol/srs_service_http_conn.hpp
+++ b/trunk/src/protocol/srs_service_http_conn.hpp
@@ -257,7 +257,7 @@ public:
 };
 
 // Response reader use st socket.
-class SrsHttpResponseReader : virtual public ISrsHttpResponseReader
+class SrsHttpResponseReader : public ISrsHttpResponseReader
 {
 private:
     ISrsReader* skt;
diff --git a/trunk/src/utest/srs_utest_http.cpp b/trunk/src/utest/srs_utest_http.cpp
index 3f53723f4..26f4a994f 100644
--- a/trunk/src/utest/srs_utest_http.cpp
+++ b/trunk/src/utest/srs_utest_http.cpp
@@ -174,7 +174,7 @@ public:
     }
 };
 
-class MockHttpHandler : virtual public ISrsHttpHandler, virtual public ISrsHttpMatchHijacker
+class MockHttpHandler : public ISrsHttpHandler, public ISrsHttpMatchHijacker
 {
 public:
     string bytes;
diff --git a/trunk/src/utest/srs_utest_http.hpp b/trunk/src/utest/srs_utest_http.hpp
index 71df3aa45..f14a3ed0c 100644
--- a/trunk/src/utest/srs_utest_http.hpp
+++ b/trunk/src/utest/srs_utest_http.hpp
@@ -36,7 +36,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <string>
 using namespace std;
 
-class MockResponseWriter : virtual public ISrsHttpResponseWriter, virtual public ISrsHttpHeaderFilter
+class MockResponseWriter : public ISrsHttpResponseWriter, public ISrsHttpHeaderFilter
 {
 public:
     SrsHttpResponseWriter* w;
diff --git a/trunk/src/utest/srs_utest_rtc.cpp b/trunk/src/utest/srs_utest_rtc.cpp
index 125705870..bfb758170 100644
--- a/trunk/src/utest/srs_utest_rtc.cpp
+++ b/trunk/src/utest/srs_utest_rtc.cpp
@@ -708,7 +708,7 @@ srs_error_t MockDtls::do_handshake()
     return err;
 }
 
-class MockDtlsCallback : virtual public ISrsDtlsCallback, virtual public ISrsCoroutineHandler
+class MockDtlsCallback : public ISrsDtlsCallback, public ISrsCoroutineHandler
 {
 public:
     SrsDtls* peer;