61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
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/*
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* Copyright 2004 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_PC_AUDIOMONITOR_H_
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#define WEBRTC_PC_AUDIOMONITOR_H_
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#include <vector>
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#include <utility>
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#include "webrtc/base/sigslot.h"
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#include "webrtc/base/thread.h"
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#include "webrtc/p2p/base/port.h"
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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_t, 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 rtc::MessageHandler,
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public sigslot::has_slots<> {
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public:
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AudioMonitor(VoiceChannel* voice_channel, rtc::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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rtc::Thread *monitor_thread();
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sigslot::signal2<AudioMonitor*, const AudioInfo&> SignalUpdate;
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protected:
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void OnMessage(rtc::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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rtc::Thread* monitoring_thread_;
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rtc::CriticalSection crit_;
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uint32_t rate_;
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bool monitoring_;
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};
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} // namespace cricket
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#endif // WEBRTC_PC_AUDIOMONITOR_H_
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