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;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef TALK_SESSION_MEDIA_TYPINGMONITOR_H_
29 #define TALK_SESSION_MEDIA_TYPINGMONITOR_H_
31 #include "talk/media/base/mediachannel.h"
32 #include "webrtc/base/messagehandler.h"
43 struct TypingMonitorOptions {
47 int reporting_threshold;
50 size_t min_participants;
54 * An object that observes a channel and listens for typing detection warnings,
55 * which can be configured to mute audio capture of that channel for some period
56 * of time. The purpose is to automatically mute someone if they are disturbing
57 * a conference with loud keystroke audio signals.
60 : public rtc::MessageHandler, public sigslot::has_slots<> {
62 TypingMonitor(VoiceChannel* channel, rtc::Thread* worker_thread,
63 const TypingMonitorOptions& params);
66 sigslot::signal2<BaseChannel*, bool> SignalMuted;
68 void OnChannelMuted();
71 void OnVoiceChannelError(uint32 ssrc, VoiceMediaChannel::Error error);
72 void OnMessage(rtc::Message* msg);
74 VoiceChannel* channel_;
75 rtc::Thread* worker_thread_;
78 bool has_pending_unmute_;
81 } // namespace cricket
83 #endif // TALK_SESSION_MEDIA_TYPINGMONITOR_H_