Move talk/session/media -> webrtc/pc

talk/session/media/mediamonitor.h

-/*
- * libjingle
- * Copyright 2005 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-// Class to collect statistics from a media channel
-
-#ifndef TALK_SESSION_MEDIA_MEDIAMONITOR_H_
-#define TALK_SESSION_MEDIA_MEDIAMONITOR_H_
-
-#include "webrtc/base/criticalsection.h"
-#include "webrtc/base/sigslot.h"
-#include "webrtc/base/thread.h"
-#include "webrtc/base/thread_annotations.h"
-#include "webrtc/media/base/mediachannel.h"
-
-namespace cricket {
-
-// The base MediaMonitor class, independent of voice and video.
-class MediaMonitor : public rtc::MessageHandler,
-    public sigslot::has_slots<> {
- public:
-  MediaMonitor(rtc::Thread* worker_thread,
-               rtc::Thread* monitor_thread);
-  ~MediaMonitor();
-
-  void Start(uint32_t milliseconds);
-  void Stop();
-
- protected:
-  void OnMessage(rtc::Message *message);
-  void PollMediaChannel();
-  virtual void GetStats() = 0;
-  virtual void Update() = 0;
-
-  rtc::CriticalSection crit_;
-  rtc::Thread* worker_thread_;
-  rtc::Thread* monitor_thread_;
-  bool monitoring_;
-  uint32_t rate_;
-};
-
-// Templatized MediaMonitor that can deal with different kinds of media.
-template<class MC, class MI>
-class MediaMonitorT : public MediaMonitor {
- public:
-  MediaMonitorT(MC* media_channel, rtc::Thread* worker_thread,
-                rtc::Thread* monitor_thread)
-      : MediaMonitor(worker_thread, monitor_thread),
-        media_channel_(media_channel) {}
-  sigslot::signal2<MC*, const MI&> SignalUpdate;
-
- protected:
-  // These routines assume the crit_ lock is held by the calling thread.
-  virtual void GetStats() {
-    media_info_.Clear();
-    media_channel_->GetStats(&media_info_);
-  }
-  virtual void Update() EXCLUSIVE_LOCKS_REQUIRED(crit_) {
-    MI stats(media_info_);
-    crit_.Leave();
-    SignalUpdate(media_channel_, stats);
-    crit_.Enter();
-  }
-
- private:
-  MC* media_channel_;
-  MI media_info_;
-};
-
-typedef MediaMonitorT<VoiceMediaChannel, VoiceMediaInfo> VoiceMediaMonitor;
-typedef MediaMonitorT<VideoMediaChannel, VideoMediaInfo> VideoMediaMonitor;
-typedef MediaMonitorT<DataMediaChannel, DataMediaInfo> DataMediaMonitor;
-
-}  // namespace cricket
-
-#endif  // TALK_SESSION_MEDIA_MEDIAMONITOR_H_