1 files changed, 119 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/session/phone/audiomonitor.cpp b/kopete/protocols/jabber/jingle/libjingle/talk/session/phone/audiomonitor.cpp
new file mode 100644
index 00000000..c1b63d1b
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/session/phone/audiomonitor.cpp
@@ -0,0 +1,119 @@
+/*
+ * libjingle
+ * Copyright 2004--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.
+ */
+
+#include "talk/session/phone/audiomonitor.h"
+#include "talk/session/phone/voicechannel.h"
+#include <cassert>
+
+namespace cricket {
+
+const uint32 MSG_MONITOR_POLL = 1;
+const uint32 MSG_MONITOR_START = 2;
+const uint32 MSG_MONITOR_STOP = 3;
+const uint32 MSG_MONITOR_SIGNAL = 4;
+
+AudioMonitor::AudioMonitor(VoiceChannel *voice_channel, Thread *monitor_thread) {
+  voice_channel_ = voice_channel;
+  monitoring_thread_ = monitor_thread;
+  monitoring_ = false;
+}
+
+AudioMonitor::~AudioMonitor() {
+  voice_channel_->worker_thread()->Clear(this);
+  monitoring_thread_->Clear(this);
+}
+
+void AudioMonitor::Start(int milliseconds) {
+  rate_ = milliseconds;
+  if (rate_ < 100)
+    rate_ = 100;
+  voice_channel_->worker_thread()->Post(this, MSG_MONITOR_START);
+}
+
+void AudioMonitor::Stop() {
+  voice_channel_->worker_thread()->Post(this, MSG_MONITOR_STOP);
+}
+
+void AudioMonitor::OnMessage(Message *message) {
+  CritScope cs(&crit_);
+
+  switch (message->message_id) {
+  case MSG_MONITOR_START:
+    assert(Thread::Current() == voice_channel_->worker_thread());
+    if (!monitoring_) {
+      monitoring_ = true;
+      PollVoiceChannel();
+    }
+    break;
+
+  case MSG_MONITOR_STOP:
+    assert(Thread::Current() == voice_channel_->worker_thread());
+    if (monitoring_) {
+      monitoring_ = false;
+      voice_channel_->worker_thread()->Clear(this);
+    }
+    break;
+
+  case MSG_MONITOR_POLL:
+    assert(Thread::Current() == voice_channel_->worker_thread());
+    PollVoiceChannel();
+    break;
+
+  case MSG_MONITOR_SIGNAL:
+    {
+      assert(Thread::Current() == monitoring_thread_);
+      AudioInfo info = audio_info_;
+      crit_.Leave();
+      SignalUpdate(this, audio_info_);
+      crit_.Enter();
+    }
+    break;
+  }
+}
+
+void AudioMonitor::PollVoiceChannel() {
+  CritScope cs(&crit_);
+  assert(Thread::Current() == voice_channel_->worker_thread());
+
+  // Gather connection infos
+  audio_info_.input_level = voice_channel_->GetInputLevel_w();
+  audio_info_.output_level = voice_channel_->GetOutputLevel_w();
+
+  // Signal the monitoring thread, start another poll timer
+  monitoring_thread_->Post(this, MSG_MONITOR_SIGNAL);
+  voice_channel_->worker_thread()->PostDelayed(rate_, this, MSG_MONITOR_POLL);
+}
+
+VoiceChannel *AudioMonitor::voice_channel() {
+  return voice_channel_;
+}
+
+Thread *AudioMonitor::monitor_thread() {
+  return monitoring_thread_;
+}
+
+}