webrtc/talk/session/media/typingmonitor.h
buildbot@webrtc.org a09a99950e (Auto)update libjingle 73222930-> 73226398
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6891 4adac7df-926f-26a2-2b94-8c16560cd09d
2014-08-13 17:26:08 +00:00

85 lines
2.8 KiB
C++

/*
* libjingle
* Copyright 2004 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TALK_SESSION_MEDIA_TYPINGMONITOR_H_
#define TALK_SESSION_MEDIA_TYPINGMONITOR_H_
#include "talk/media/base/mediachannel.h"
#include "webrtc/base/messagehandler.h"
namespace rtc {
class Thread;
}
namespace cricket {
class VoiceChannel;
class BaseChannel;
struct TypingMonitorOptions {
int cost_per_typing;
int mute_period;
int penalty_decay;
int reporting_threshold;
int time_window;
int type_event_delay;
size_t min_participants;
};
/**
* An object that observes a channel and listens for typing detection warnings,
* which can be configured to mute audio capture of that channel for some period
* of time. The purpose is to automatically mute someone if they are disturbing
* a conference with loud keystroke audio signals.
*/
class TypingMonitor
: public rtc::MessageHandler, public sigslot::has_slots<> {
public:
TypingMonitor(VoiceChannel* channel, rtc::Thread* worker_thread,
const TypingMonitorOptions& params);
~TypingMonitor();
sigslot::signal2<BaseChannel*, bool> SignalMuted;
void OnChannelMuted();
private:
void OnVoiceChannelError(uint32 ssrc, VoiceMediaChannel::Error error);
void OnMessage(rtc::Message* msg);
VoiceChannel* channel_;
rtc::Thread* worker_thread_;
int mute_period_;
int muted_at_;
bool has_pending_unmute_;
};
} // namespace cricket
#endif // TALK_SESSION_MEDIA_TYPINGMONITOR_H_