371243dfa3
std::memcpy -> memcpy for instance. This change was motivated by a compile report complaining that std::rand() was used instead of rand(), probably with a stdlib.h include instead of cstdlib. Use of C functions without the std:: prefix is a lot more common, so removing std:: to address this. BUG= R=tommi@webrtc.org Review URL: https://webrtc-codereview.appspot.com/9559004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5657 4adac7df-926f-26a2-2b94-8c16560cd09d
122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
/*
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* libjingle
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* Copyright 2004 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/session/media/audiomonitor.h"
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#include "talk/session/media/voicechannel.h"
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#include <assert.h>
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namespace cricket {
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const uint32 MSG_MONITOR_POLL = 1;
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const uint32 MSG_MONITOR_START = 2;
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const uint32 MSG_MONITOR_STOP = 3;
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const uint32 MSG_MONITOR_SIGNAL = 4;
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AudioMonitor::AudioMonitor(VoiceChannel *voice_channel,
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talk_base::Thread *monitor_thread) {
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voice_channel_ = voice_channel;
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monitoring_thread_ = monitor_thread;
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monitoring_ = false;
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}
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AudioMonitor::~AudioMonitor() {
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voice_channel_->worker_thread()->Clear(this);
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monitoring_thread_->Clear(this);
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}
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void AudioMonitor::Start(int milliseconds) {
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rate_ = milliseconds;
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if (rate_ < 100)
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rate_ = 100;
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voice_channel_->worker_thread()->Post(this, MSG_MONITOR_START);
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}
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void AudioMonitor::Stop() {
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voice_channel_->worker_thread()->Post(this, MSG_MONITOR_STOP);
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}
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void AudioMonitor::OnMessage(talk_base::Message *message) {
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talk_base::CritScope cs(&crit_);
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switch (message->message_id) {
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case MSG_MONITOR_START:
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assert(talk_base::Thread::Current() == voice_channel_->worker_thread());
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if (!monitoring_) {
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monitoring_ = true;
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PollVoiceChannel();
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}
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break;
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case MSG_MONITOR_STOP:
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assert(talk_base::Thread::Current() == voice_channel_->worker_thread());
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if (monitoring_) {
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monitoring_ = false;
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voice_channel_->worker_thread()->Clear(this);
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}
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break;
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case MSG_MONITOR_POLL:
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assert(talk_base::Thread::Current() == voice_channel_->worker_thread());
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PollVoiceChannel();
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break;
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case MSG_MONITOR_SIGNAL:
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{
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assert(talk_base::Thread::Current() == monitoring_thread_);
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AudioInfo info = audio_info_;
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crit_.Leave();
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SignalUpdate(this, info);
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crit_.Enter();
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}
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break;
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}
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}
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void AudioMonitor::PollVoiceChannel() {
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talk_base::CritScope cs(&crit_);
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assert(talk_base::Thread::Current() == voice_channel_->worker_thread());
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// Gather connection infos
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audio_info_.input_level = voice_channel_->GetInputLevel_w();
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audio_info_.output_level = voice_channel_->GetOutputLevel_w();
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voice_channel_->GetActiveStreams_w(&audio_info_.active_streams);
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// Signal the monitoring thread, start another poll timer
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monitoring_thread_->Post(this, MSG_MONITOR_SIGNAL);
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voice_channel_->worker_thread()->PostDelayed(rate_, this, MSG_MONITOR_POLL);
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}
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VoiceChannel *AudioMonitor::voice_channel() {
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return voice_channel_;
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}
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talk_base::Thread *AudioMonitor::monitor_thread() {
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return monitoring_thread_;
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}
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}
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