1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
* libjingle
* Copyright 2004--2005, 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 _VOICECHANNEL_H_
#define _VOICECHANNEL_H_
#include "talk/base/asyncudpsocket.h"
#include "talk/base/network.h"
#include "talk/base/sigslot.h"
#include "talk/p2p/client/socketmonitor.h"
#include "talk/p2p/base/p2psocket.h"
#include "talk/p2p/base/session.h"
#include "talk/session/phone/audiomonitor.h"
#include "talk/session/phone/mediaengine.h"
namespace cricket {
const uint32 MSG_ENABLE = 1;
const uint32 MSG_DISABLE = 2;
const uint32 MSG_MUTE = 3;
const uint32 MSG_UNMUTE = 4;
const uint32 MSG_SETSENDCODEC = 5;
class ChannelManager;
class VoiceChannel
: public MessageHandler, public sigslot::has_slots<>,
public NetworkSession, public MediaChannel::NetworkInterface {
public:
VoiceChannel(ChannelManager *manager, Session *session, MediaChannel *channel);
~VoiceChannel();
void Enable(bool enable);
void Mute(bool mute);
MediaChannel *channel();
Session *session();
// Monitoring
void StartConnectionMonitor(int cms);
void StopConnectionMonitor();
sigslot::signal2<VoiceChannel *, const std::vector<ConnectionInfo> &> SignalConnectionMonitor;
void StartAudioMonitor(int cms);
void StopAudioMonitor();
sigslot::signal2<VoiceChannel *, const AudioInfo&> SignalAudioMonitor;
Thread* worker_thread();
// Pausing so that the ChannelManager can change the audio devices. These
// should only be called from the worker thread
void PauseMedia_w();
void UnpauseMedia_w();
int GetInputLevel_w();
int GetOutputLevel_w();
// Gives a quality estimate to the network quality manager.
virtual bool HasQuality();
virtual float GetCurrentQuality();
// MediaEngine calls this
virtual void SendPacket(const void *data, size_t len);
private:
void ChangeState();
void EnableMedia_w();
void DisableMedia_w();
void MuteMedia_w();
void UnmuteMedia_w();
void SocketWritable_w();
void SocketNotWritable_w();
void OnConnectionMonitorUpdate(SocketMonitor *monitor, const std::vector<ConnectionInfo> &infos);
void OnAudioMonitorUpdate(AudioMonitor *monitor, const AudioInfo& info);
// From MessageHandler
void OnMessage(Message *pmsg);
// Setting the send codec based on the remote description.
void OnSessionState(Session* session, Session::State state);
void SetSendCodec_w();
// From P2PSocket
void OnSocketState(P2PSocket *socket, P2PSocket::State state);
void OnSocketRead(P2PSocket *socket, const char *data, size_t len);
bool enabled_;
bool paused_;
bool socket_writable_;
bool muted_;
MediaChannel *channel_;
Session *session_;
P2PSocket *socket_;
ChannelManager *channel_manager_;
SocketMonitor *socket_monitor_;
AudioMonitor *audio_monitor_;
uint32 start_time_;
};
}
#endif // _VOICECHANNEL_H_
|
