28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
85 lines
2.8 KiB
C++
85 lines
2.8 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_TYPINGMONITOR_H_
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#define TALK_SESSION_MEDIA_TYPINGMONITOR_H_
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#include "talk/base/messagehandler.h"
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#include "talk/media/base/mediachannel.h"
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namespace talk_base {
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class Thread;
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}
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namespace cricket {
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class VoiceChannel;
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class BaseChannel;
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struct TypingMonitorOptions {
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int cost_per_typing;
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int mute_period;
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int penalty_decay;
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int reporting_threshold;
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int time_window;
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int type_event_delay;
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size_t min_participants;
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};
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/**
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* An object that observes a channel and listens for typing detection warnings,
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* which can be configured to mute audio capture of that channel for some period
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* of time. The purpose is to automatically mute someone if they are disturbing
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* a conference with loud keystroke audio signals.
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*/
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class TypingMonitor
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: public talk_base::MessageHandler, public sigslot::has_slots<> {
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public:
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TypingMonitor(VoiceChannel* channel, talk_base::Thread* worker_thread,
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const TypingMonitorOptions& params);
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~TypingMonitor();
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sigslot::signal2<BaseChannel*, bool> SignalMuted;
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void OnChannelMuted();
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private:
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void OnVoiceChannelError(uint32 ssrc, VoiceMediaChannel::Error error);
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void OnMessage(talk_base::Message* msg);
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VoiceChannel* channel_;
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talk_base::Thread* worker_thread_;
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int mute_period_;
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int muted_at_;
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bool has_pending_unmute_;
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};
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} // namespace cricket
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#endif // TALK_SESSION_MEDIA_TYPINGMONITOR_H_
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