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/*
* Copyright 2004 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef PC_AUDIOMONITOR_H_
#define PC_AUDIOMONITOR_H_
#include <vector>
#include <utility>
#include "p2p/base/port.h"
#include "rtc_base/sigslot.h"
#include "rtc_base/thread.h"
namespace cricket {
class VoiceChannel;
struct AudioInfo {
int input_level;
int output_level;
typedef std::vector<std::pair<uint32_t, int> > StreamList;
StreamList active_streams; // ssrcs contributing to output_level
};
class AudioMonitor : public rtc::MessageHandler,
public sigslot::has_slots<> {
public:
AudioMonitor(VoiceChannel* voice_channel, rtc::Thread *monitor_thread);
~AudioMonitor();
void Start(int cms);
void Stop();
VoiceChannel* voice_channel();
rtc::Thread *monitor_thread();
sigslot::signal2<AudioMonitor*, const AudioInfo&> SignalUpdate;
protected:
void OnMessage(rtc::Message *message);
void PollVoiceChannel();
AudioInfo audio_info_;
VoiceChannel* voice_channel_;
rtc::Thread* monitoring_thread_;
rtc::CriticalSection crit_;
uint32_t rate_;
bool monitoring_;
};
} // namespace cricket
#endif // PC_AUDIOMONITOR_H_