Move talk/session/media -> webrtc/pc

talk/session/media/audiomonitor.cc

-/*
- * libjingle
- * Copyright 2004 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 <assert.h>
-#include "talk/session/media/audiomonitor.h"
-#include "talk/session/media/voicechannel.h"
-
-namespace cricket {
-
-const uint32_t MSG_MONITOR_POLL = 1;
-const uint32_t MSG_MONITOR_START = 2;
-const uint32_t MSG_MONITOR_STOP = 3;
-const uint32_t MSG_MONITOR_SIGNAL = 4;
-
-AudioMonitor::AudioMonitor(VoiceChannel *voice_channel,
-                           rtc::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(rtc::Message *message) {
-  rtc::CritScope cs(&crit_);
-
-  switch (message->message_id) {
-  case MSG_MONITOR_START:
-    assert(rtc::Thread::Current() == voice_channel_->worker_thread());
-    if (!monitoring_) {
-      monitoring_ = true;
-      PollVoiceChannel();
-    }
-    break;
-
-  case MSG_MONITOR_STOP:
-    assert(rtc::Thread::Current() == voice_channel_->worker_thread());
-    if (monitoring_) {
-      monitoring_ = false;
-      voice_channel_->worker_thread()->Clear(this);
-    }
-    break;
-
-  case MSG_MONITOR_POLL:
-    assert(rtc::Thread::Current() == voice_channel_->worker_thread());
-    PollVoiceChannel();
-    break;
-
-  case MSG_MONITOR_SIGNAL:
-    {
-      assert(rtc::Thread::Current() == monitoring_thread_);
-      AudioInfo info = audio_info_;
-      crit_.Leave();
-      SignalUpdate(this, info);
-      crit_.Enter();
-    }
-    break;
-  }
-}
-
-void AudioMonitor::PollVoiceChannel() {
-  rtc::CritScope cs(&crit_);
-  assert(rtc::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();
-  voice_channel_->GetActiveStreams_w(&audio_info_.active_streams);
-
-  // 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_;
-}
-
-rtc::Thread *AudioMonitor::monitor_thread() {
-  return monitoring_thread_;
-}
-
-}