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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* Jingle call example
* Copyright 2004--2005, Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
// LinphoneMediaEngine is a Linphone implementation of MediaEngine
extern "C" {
#include "talk/third_party/mediastreamer/mediastream.h"
#ifdef HAVE_ILBC
#include "talk/third_party/mediastreamer/msilbcdec.h"
#endif
#ifdef HAVE_SPEEX
#include "talk/third_party/mediastreamer/msspeexdec.h"
#endif
}
#include <ortp.h>
#include <netdb.h>
#include <unistd.h>
#include <fcntl.h>
#include <iostream>
#include "talk/session/phone/linphonemediaengine.h"
using namespace cricket;
void *thread_function(void *data)
{
LinphoneMediaChannel *mc =(LinphoneMediaChannel*) data;
while (mc->dying() == false) {
MediaChannel::NetworkInterface *iface = mc->network_interface();
char *buf[2048];
int len;
len = read(mc->fd(), buf, sizeof(buf));
if (iface && (mc->mute()==FALSE))
iface->SendPacket(buf, len);
}
return NULL;
}
LinphoneMediaChannel::LinphoneMediaChannel() {
pt_ = 102;
dying_ = false;
pthread_attr_t attr;
audio_stream_ = NULL;
struct sockaddr_in sockaddr;
sockaddr.sin_family = AF_INET;
sockaddr.sin_addr.s_addr = INADDR_ANY;
sockaddr.sin_port = htons(3000);
fd_ = socket(PF_INET, SOCK_DGRAM, 0);
fcntl(fd_, F_SETFL, 0, O_NONBLOCK);
bind (fd_,(struct sockaddr*)&sockaddr, sizeof(sockaddr));
pthread_attr_init(&attr);
pthread_create(&thread_, &attr, &thread_function, this);
pthread_attr_destroy(&attr);
}
LinphoneMediaChannel::~LinphoneMediaChannel() {
dying_ = true;
pthread_join(thread_, NULL);
audio_stream_stop(audio_stream_);
close(fd_);
}
void LinphoneMediaChannel::SetCodec(const char *codec) {
if (!strcmp(codec, "iLBC"))
pt_ = 102;
else if (!strcmp(codec, "speex"))
pt_ = 110;
else
pt_ = 0;
if (audio_stream_)
audio_stream_stop(audio_stream_);
audio_stream_ = audio_stream_start(&av_profile, 2000, "127.0.0.1", 3000, pt_, 250);
}
void LinphoneMediaChannel::OnPacketReceived(const void *data, int len) {
struct sockaddr_in sockaddr;
sockaddr.sin_family = AF_INET;
struct hostent *host = gethostbyname("localhost");
memcpy(&sockaddr.sin_addr.s_addr, host->h_addr, host->h_length);
sockaddr.sin_port = htons(2000);
char buf[2048];
memcpy(buf, data, len);
if (buf[1] == pt_) {
} else if (buf[1] == 13) {
} else if (buf[1] == 102) {
SetCodec("iLBC");
} else if (buf[1] == 110) {
SetCodec("speex");
} else if (buf[1] == 0) {
SetCodec("PCMU");
}
if (play_ && buf[1] != 13)
sendto(fd_, buf, len, 0, (struct sockaddr*)&sockaddr, sizeof(sockaddr));
}
void LinphoneMediaChannel::SetPlayout(bool playout) {
play_ = playout;
}
void LinphoneMediaChannel::SetSend(bool send) {
mute_ = !send;
}
float LinphoneMediaChannel::GetCurrentQuality() { return 0; }
int LinphoneMediaChannel::GetOutputLevel() { return 0; }
LinphoneMediaEngine::LinphoneMediaEngine() {}
LinphoneMediaEngine::~LinphoneMediaEngine() {}
static void null_log_handler(const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer user_data) {
}
bool LinphoneMediaEngine::Init() {
g_log_set_handler("MediaStreamer", G_LOG_LEVEL_MASK, null_log_handler, NULL);
g_log_set_handler("oRTP", G_LOG_LEVEL_MASK, null_log_handler, NULL);
g_log_set_handler("oRTP-stats", G_LOG_LEVEL_MASK, null_log_handler, NULL);
ortp_init();
ms_init();
#ifdef HAVE_SPEEX
ms_speex_codec_init();
rtp_profile_set_payload(&av_profile, 110, &speex_wb);
codecs_.push_back(Codec(110, "speex", 8));
#endif
#ifdef HAVE_ILBC
ms_ilbc_codec_init();
rtp_profile_set_payload(&av_profile, 102, &payload_type_ilbc);
codecs_.push_back(Codec(102, "iLBC", 4));
#endif
rtp_profile_set_payload(&av_profile, 0, &pcmu8000);
codecs_.push_back(Codec(0, "PCMU", 2));
return true;
}
void LinphoneMediaEngine::Terminate() {
}
MediaChannel *LinphoneMediaEngine::CreateChannel() {
return new LinphoneMediaChannel();
}
int LinphoneMediaEngine::SetAudioOptions(int options) { return 0; }
int LinphoneMediaEngine::SetSoundDevices(int wave_in_device, int wave_out_device) { return 0; }
float LinphoneMediaEngine::GetCurrentQuality() { return 0; }
int LinphoneMediaEngine::GetInputLevel() { return 0; }
|
