3 * Copyright 2004 Google Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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28 #ifndef TALK_SESSION_MEDIA_AUDIOMONITOR_H_
29 #define TALK_SESSION_MEDIA_AUDIOMONITOR_H_
32 #include "webrtc/p2p/base/port.h"
33 #include "webrtc/base/sigslot.h"
34 #include "webrtc/base/thread.h"
43 typedef std::vector<std::pair<uint32, int> > StreamList;
44 StreamList active_streams; // ssrcs contributing to output_level
47 class AudioMonitor : public rtc::MessageHandler,
48 public sigslot::has_slots<> {
50 AudioMonitor(VoiceChannel* voice_channel, rtc::Thread *monitor_thread);
56 VoiceChannel* voice_channel();
57 rtc::Thread *monitor_thread();
59 sigslot::signal2<AudioMonitor*, const AudioInfo&> SignalUpdate;
62 void OnMessage(rtc::Message *message);
63 void PollVoiceChannel();
65 AudioInfo audio_info_;
66 VoiceChannel* voice_channel_;
67 rtc::Thread* monitoring_thread_;
68 rtc::CriticalSection crit_;
75 #endif // TALK_SESSION_MEDIA_AUDIOMONITOR_H_