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130 lines
4.1 KiB
130 lines
4.1 KiB
15 years ago
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/*
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* libjingle
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* Copyright 2004--2005, 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 _VOICECHANNEL_H_
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#define _VOICECHANNEL_H_
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#include "talk/base/asyncudpsocket.h"
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#include "talk/base/network.h"
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#include "talk/base/sigslot.h"
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#include "talk/p2p/client/socketmonitor.h"
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#include "talk/p2p/base/p2psocket.h"
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#include "talk/p2p/base/session.h"
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#include "talk/session/phone/audiomonitor.h"
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#include "talk/session/phone/mediaengine.h"
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namespace cricket {
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const uint32 MSG_ENABLE = 1;
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const uint32 MSG_DISABLE = 2;
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const uint32 MSG_MUTE = 3;
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const uint32 MSG_UNMUTE = 4;
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const uint32 MSG_SETSENDCODEC = 5;
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class ChannelManager;
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class VoiceChannel
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: public MessageHandler, public sigslot::has_slots<>,
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public NetworkSession, public MediaChannel::NetworkInterface {
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public:
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VoiceChannel(ChannelManager *manager, Session *session, MediaChannel *channel);
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~VoiceChannel();
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void Enable(bool enable);
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void Mute(bool mute);
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MediaChannel *channel();
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Session *session();
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// Monitoring
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void StartConnectionMonitor(int cms);
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void StopConnectionMonitor();
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sigslot::signal2<VoiceChannel *, const std::vector<ConnectionInfo> &> SignalConnectionMonitor;
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void StartAudioMonitor(int cms);
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void StopAudioMonitor();
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sigslot::signal2<VoiceChannel *, const AudioInfo&> SignalAudioMonitor;
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Thread* worker_thread();
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// Pausing so that the ChannelManager can change the audio devices. These
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// should only be called from the worker thread
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void PauseMedia_w();
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void UnpauseMedia_w();
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int GetInputLevel_w();
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int GetOutputLevel_w();
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// Gives a quality estimate to the network quality manager.
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virtual bool HasQuality();
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virtual float GetCurrentQuality();
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// MediaEngine calls this
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virtual void SendPacket(const void *data, size_t len);
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private:
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void ChangeState();
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void EnableMedia_w();
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void DisableMedia_w();
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void MuteMedia_w();
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void UnmuteMedia_w();
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void SocketWritable_w();
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void SocketNotWritable_w();
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void OnConnectionMonitorUpdate(SocketMonitor *monitor, const std::vector<ConnectionInfo> &infos);
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void OnAudioMonitorUpdate(AudioMonitor *monitor, const AudioInfo& info);
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// From MessageHandler
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void OnMessage(Message *pmsg);
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// Setting the send codec based on the remote description.
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void OnSessionState(Session* session, Session::State state);
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void SetSendCodec_w();
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// From P2PSocket
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void OnSocketState(P2PSocket *socket, P2PSocket::State state);
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void OnSocketRead(P2PSocket *socket, const char *data, size_t len);
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bool enabled_;
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bool paused_;
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bool socket_writable_;
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bool muted_;
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MediaChannel *channel_;
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Session *session_;
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P2PSocket *socket_;
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ChannelManager *channel_manager_;
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SocketMonitor *socket_monitor_;
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AudioMonitor *audio_monitor_;
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uint32 start_time_;
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};
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}
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#endif // _VOICECHANNEL_H_
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