Implement video frame acknowledgements in the chromoting protocol.

remoting/protocol/session_config.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_PROTOCOL_SESSION_CONFIG_H_
 #define REMOTING_PROTOCOL_SESSION_CONFIG_H_
 
 #include <list>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace remoting {
 namespace protocol {
 
 extern const int kDefaultStreamVersion;
+extern const int kControlStreamVersion;

[Wez, 2015/01/21 01:35:40]

Why do we need a separat kControlStreamVersion..?

[Sergey Ulanov, 2015/01/29 01:33:29]

IIRC it was updated a while ago when we added capabilities message.

+extern const int kVideoWithAckStreamVersion;
 
 // Struct for configuration parameters of a single channel.
 // Some channels (like video) may have multiple underlying sockets that need
 // to be configured simultaneously.
 struct ChannelConfig {
   enum TransportType {
     TRANSPORT_STREAM,
     TRANSPORT_MUX_STREAM,
     TRANSPORT_DATAGRAM,
     TRANSPORT_NONE,
@@ skipping 147 matching lines @@
   std::list<ChannelConfig> control_configs_;
   std::list<ChannelConfig> event_configs_;
   std::list<ChannelConfig> video_configs_;
   std::list<ChannelConfig> audio_configs_;
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_SESSION_CONFIG_H_