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/*
* 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.
*/
#ifndef _CRICKET_PHONE_AUDIOMONITOR_H_
#define _CRICKET_PHONE_AUDIOMONITOR_H_
#include "talk/base/thread.h"
#include "talk/base/sigslot.h"
#include "talk/p2p/base/port.h"
#include <vector>
namespace cricket {
class VoiceChannel;
struct AudioInfo {
int input_level;
int output_level;
};
class AudioMonitor : public MessageHandler, public sigslot::has_slots<> {
public:
AudioMonitor(VoiceChannel* voice_channel, Thread *monitor_thread);
~AudioMonitor();
void Start(int cms);
void Stop();
VoiceChannel* voice_channel();
Thread *monitor_thread();
sigslot::signal2<AudioMonitor*, const AudioInfo&> SignalUpdate;
protected:
void OnMessage(Message *message);
void PollVoiceChannel();
AudioInfo audio_info_;
VoiceChannel* voice_channel_;
Thread* monitoring_thread_;
CriticalSection crit_;
uint32 rate_;
bool monitoring_;
};
}
#endif // _CRICKET_PHONE_AUDIOMONITOR_H_
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