28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
76 lines
2.5 KiB
C++
76 lines
2.5 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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#ifndef TALK_SESSION_MEDIA_AUDIOMONITOR_H_
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#define TALK_SESSION_MEDIA_AUDIOMONITOR_H_
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#include "talk/base/sigslot.h"
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#include "talk/base/thread.h"
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#include "talk/p2p/base/port.h"
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#include <vector>
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namespace cricket {
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class VoiceChannel;
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struct AudioInfo {
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int input_level;
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int output_level;
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typedef std::vector<std::pair<uint32, int> > StreamList;
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StreamList active_streams; // ssrcs contributing to output_level
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};
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class AudioMonitor : public talk_base::MessageHandler,
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public sigslot::has_slots<> {
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public:
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AudioMonitor(VoiceChannel* voice_channel, talk_base::Thread *monitor_thread);
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~AudioMonitor();
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void Start(int cms);
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void Stop();
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VoiceChannel* voice_channel();
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talk_base::Thread *monitor_thread();
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sigslot::signal2<AudioMonitor*, const AudioInfo&> SignalUpdate;
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protected:
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void OnMessage(talk_base::Message *message);
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void PollVoiceChannel();
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AudioInfo audio_info_;
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VoiceChannel* voice_channel_;
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talk_base::Thread* monitoring_thread_;
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talk_base::CriticalSection crit_;
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uint32 rate_;
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bool monitoring_;
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};
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}
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#endif // TALK_SESSION_MEDIA_AUDIOMONITOR_H_
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