3 * Copyright 2010 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 MSILBC_LIBRARY
29 #define MSILBC_LIBRARY "/usr/lib/mediastreamer/plugins/libmsilbc.so"
32 // LinphoneMediaEngine is a Linphone implementation of MediaEngine
34 #include <mediastreamer2/mediastream.h>
35 #include <mediastreamer2/mssndcard.h>
36 #include <mediastreamer2/msfilter.h>
39 #include "talk/media/other/linphonemediaengine.h"
41 #include "talk/base/buffer.h"
42 #include "talk/base/event.h"
43 #include "talk/base/logging.h"
44 #include "talk/base/pathutils.h"
45 #include "talk/base/stream.h"
46 #include "talk/media/base/rtpdump.h"
54 ///////////////////////////////////////////////////////////////////////////
55 // Implementation of LinphoneMediaEngine.
56 ///////////////////////////////////////////////////////////////////////////
57 LinphoneMediaEngine::LinphoneMediaEngine(const std::string& ringWav, const std::string& callWav) : ring_wav_(ringWav), call_wav_(callWav) { }
59 bool LinphoneMediaEngine::Init() {
65 char * path = strdup(MSILBC_LIBRARY);
66 char * dirc = dirname(path);
67 ms_load_plugins(dirc);
69 if (ms_filter_codec_supported("iLBC"))
78 voice_codecs_.push_back(AudioCodec(110, payload_type_speex_wb.mime_type, payload_type_speex_wb.clock_rate, 0, 1, 8));
79 voice_codecs_.push_back(AudioCodec(111, payload_type_speex_nb.mime_type, payload_type_speex_nb.clock_rate, 0, 1, 7));
84 voice_codecs_.push_back(AudioCodec(102, payload_type_ilbc.mime_type, payload_type_ilbc.clock_rate, 0, 1, 4));
87 voice_codecs_.push_back(AudioCodec(0, payload_type_pcmu8000.mime_type, payload_type_pcmu8000.clock_rate, 0, 1, 2));
88 voice_codecs_.push_back(AudioCodec(101, payload_type_telephone_event.mime_type, payload_type_telephone_event.clock_rate, 0, 1, 1));
92 void LinphoneMediaEngine::Terminate() {
97 int LinphoneMediaEngine::GetCapabilities() {
99 capabilities |= AUDIO_SEND;
100 capabilities |= AUDIO_RECV;
104 VoiceMediaChannel* LinphoneMediaEngine::CreateChannel() {
105 return new LinphoneVoiceChannel(this);
108 VideoMediaChannel* LinphoneMediaEngine::CreateVideoChannel(VoiceMediaChannel* voice_ch) {
112 bool LinphoneMediaEngine::FindAudioCodec(const AudioCodec &c) {
115 if (c.name == payload_type_telephone_event.mime_type)
118 if (c.name == payload_type_speex_wb.mime_type && c.clockrate == payload_type_speex_wb.clock_rate)
120 if (c.name == payload_type_speex_nb.mime_type && c.clockrate == payload_type_speex_nb.clock_rate)
124 if (have_ilbc && c.name == payload_type_ilbc.mime_type)
130 ///////////////////////////////////////////////////////////////////////////
131 // Implementation of LinphoneVoiceChannel.
132 ///////////////////////////////////////////////////////////////////////////
133 LinphoneVoiceChannel::LinphoneVoiceChannel(LinphoneMediaEngine*eng)
140 talk_base::Thread *thread = talk_base::ThreadManager::CurrentThread();
141 talk_base::SocketServer *ss = thread->socketserver();
142 socket_.reset(ss->CreateAsyncSocket(SOCK_DGRAM));
144 socket_->Bind(talk_base::SocketAddress("localhost",3000));
145 socket_->SignalReadEvent.connect(this, &LinphoneVoiceChannel::OnIncomingData);
149 LinphoneVoiceChannel::~LinphoneVoiceChannel()
155 audio_stream_stop(audio_stream_);
158 bool LinphoneVoiceChannel::SetPlayout(bool playout) {
163 bool LinphoneVoiceChannel::SetSendCodecs(const std::vector<AudioCodec>& codecs) {
166 std::vector<AudioCodec>::const_iterator i;
168 ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
170 for (i = codecs.begin(); i < codecs.end(); i++) {
172 if (!engine_->FindAudioCodec(*i))
175 if (engine_->have_ilbc && i->name == payload_type_ilbc.mime_type) {
176 rtp_profile_set_payload(&av_profile, i->id, &payload_type_ilbc);
180 if (i->name == payload_type_speex_wb.mime_type && i->clockrate == payload_type_speex_wb.clock_rate) {
181 rtp_profile_set_payload(&av_profile, i->id, &payload_type_speex_wb);
182 } else if (i->name == payload_type_speex_nb.mime_type && i->clockrate == payload_type_speex_nb.clock_rate) {
183 rtp_profile_set_payload(&av_profile, i->id, &payload_type_speex_nb);
188 rtp_profile_set_payload(&av_profile, 0, &payload_type_pcmu8000);
190 if (i->name == payload_type_telephone_event.mime_type) {
191 rtp_profile_set_payload(&av_profile, i->id, &payload_type_telephone_event);
196 LOG(LS_INFO) << "Using " << i->name << "/" << i->clockrate;
198 audio_stream_ = audio_stream_start(&av_profile, 2000, "127.0.0.1", 3000, i->id, 250, 0);
205 // We're being asked to set an empty list of codecs. This will only happen when
206 // working with a buggy client; let's try PCMU.
207 LOG(LS_WARNING) << "Received empty list of codces; using PCMU/8000";
208 audio_stream_ = audio_stream_start(&av_profile, 2000, "127.0.0.1", 3000, 0, 250, 0);
214 bool LinphoneVoiceChannel::SetSend(SendFlags flag) {
219 void LinphoneVoiceChannel::OnPacketReceived(talk_base::Buffer* packet) {
220 const void* data = packet->data();
221 int len = packet->length();
223 memcpy(buf, data, len);
225 /* We may receive packets with payload type 13: comfort noise. Linphone can't
226 * handle them, so let's ignore those packets.
228 int payloadtype = buf[1] & 0x7f;
229 if (play_ && payloadtype != 13)
230 socket_->SendTo(buf, len, talk_base::SocketAddress("localhost",2000));
233 void LinphoneVoiceChannel::StartRing(bool bIncomingCall)
235 MSSndCard *sndcard = NULL;
236 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
241 if (engine_->GetRingWav().size() > 0)
243 LOG(LS_VERBOSE) << "incoming ring. sound file: " << engine_->GetRingWav().c_str() << "\n";
244 ring_stream_ = ring_start (engine_->GetRingWav().c_str(), 1, sndcard);
249 if (engine_->GetCallWav().size() > 0)
251 LOG(LS_VERBOSE) << "outgoing ring. sound file: " << engine_->GetCallWav().c_str() << "\n";
252 ring_stream_ = ring_start (engine_->GetCallWav().c_str(), 1, sndcard);
258 void LinphoneVoiceChannel::StopRing()
261 ring_stop(ring_stream_);
266 void LinphoneVoiceChannel::OnIncomingData(talk_base::AsyncSocket *s)
270 len = s->Recv(buf, sizeof(buf));
271 talk_base::Buffer packet(buf, len);
272 if (network_interface_ && !mute_)
273 network_interface_->SendPacket(&packet);