1/*
2 * libjingle
3 * Copyright 2010 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
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.
15 *
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.
26 */
27
28// LinphoneMediaEngine is a Linphone implementation of MediaEngine
29
30#ifndef TALK_SESSION_PHONE_LINPHONEMEDIAENGINE_H_
31#define TALK_SESSION_PHONE_LINPHONEMEDIAENGINE_H_
32
33#include <string>
34#include <vector>
35
36extern "C" {
37#include <mediastreamer2/mediastream.h>
38}
39
40#include "talk/media/base/codec.h"
41#include "talk/media/base/mediachannel.h"
42#include "talk/media/base/mediaengine.h"
43#include "webrtc/base/scoped_ptr.h"
44
45namespace rtc {
46class StreamInterface;
47}
48
49namespace cricket {
50
51class LinphoneMediaEngine : public MediaEngineInterface {
52 public:
53  LinphoneMediaEngine(const std::string& ringWav,  const std::string& callWav);
54  virtual ~LinphoneMediaEngine() {}
55
56  // Should be called before codecs() and video_codecs() are called. We need to
57  // set the voice and video codecs; otherwise, Jingle initiation will fail.
58  void set_voice_codecs(const std::vector<AudioCodec>& codecs) {
59    voice_codecs_ = codecs;
60  }
61  void set_video_codecs(const std::vector<VideoCodec>& codecs) {
62    video_codecs_ = codecs;
63  }
64
65  // Implement pure virtual methods of MediaEngine.
66  virtual bool Init();
67  virtual void Terminate();
68  virtual int GetCapabilities();
69  virtual VoiceMediaChannel* CreateChannel();
70  virtual VideoMediaChannel* CreateVideoChannel(VoiceMediaChannel* voice_ch);
71  virtual SoundclipMedia* CreateSoundclip() { return NULL; }
72  virtual bool SetAudioOptions(int options) { return true; }
73  virtual bool SetDefaultVideoEncoderConfig(const VideoEncoderConfig& config) {
74    return true;
75  }
76  virtual bool SetSoundDevices(const Device* in_dev, const Device* out_dev) {
77    return true;
78  }
79  virtual bool SetVideoCaptureDevice(const Device* cam_device) { return true; }
80  virtual bool SetOutputVolume(int level) { return true; }
81  virtual int GetInputLevel() { return 0; }
82  virtual bool SetLocalMonitor(bool enable) { return true; }
83  // TODO: control channel send?
84  virtual bool SetVideoCapture(bool capture) { return true; }
85  virtual const std::vector<AudioCodec>& audio_codecs() {
86    return voice_codecs_;
87  }
88  virtual const std::vector<VideoCodec>& video_codecs() {
89    return video_codecs_;
90  }
91  virtual bool FindAudioCodec(const AudioCodec& codec);
92  virtual bool FindVideoCodec(const VideoCodec& codec) { return true; }
93  virtual void SetVoiceLogging(int min_sev, const char* filter) {}
94  virtual void SetVideoLogging(int min_sev, const char* filter) {}
95
96  std::string GetRingWav(){return ring_wav_;}
97  std::string GetCallWav(){return call_wav_;}
98
99  int have_ilbc;
100
101 private:
102  std::string voice_input_filename_;
103  std::string voice_output_filename_;
104  std::string video_input_filename_;
105  std::string video_output_filename_;
106  std::vector<AudioCodec> voice_codecs_;
107  std::vector<VideoCodec> video_codecs_;
108
109  std::string ring_wav_;
110  std::string call_wav_;
111
112  DISALLOW_COPY_AND_ASSIGN(LinphoneMediaEngine);
113};
114
115class LinphoneVoiceChannel : public VoiceMediaChannel {
116 public:
117  LinphoneVoiceChannel(LinphoneMediaEngine *eng);
118  virtual ~LinphoneVoiceChannel();
119
120  // Implement pure virtual methods of VoiceMediaChannel.
121  virtual bool SetRecvCodecs(const std::vector<AudioCodec>& codecs) { return true; }
122  virtual bool SetSendCodecs(const std::vector<AudioCodec>& codecs);
123  virtual bool SetPlayout(bool playout);
124  virtual bool SetSend(SendFlags flag);
125  virtual bool AddStream(uint32 ssrc) { return true; }
126  virtual bool RemoveStream(uint32 ssrc) { return true; }
127  virtual bool GetActiveStreams(AudioInfo::StreamList* actives) { return true; }
128  virtual int GetOutputLevel() { return 0; }
129  virtual bool SetOutputScaling(uint32 ssrc, double left, double right) {
130    return false;
131  }
132  virtual bool GetOutputScaling(uint32 ssrc, double* left, double* right) {
133    return false;
134  }
135  virtual void SetRingbackTone(const char* buf, int len) {}
136  virtual bool PlayRingbackTone(bool play, bool loop) { return true; }
137  virtual bool PressDTMF(int event, bool playout) { return true; }
138  virtual bool GetStats(VoiceMediaInfo* info) { return true; }
139
140  // Implement pure virtual methods of MediaChannel.
141  virtual void OnPacketReceived(rtc::Buffer* packet);
142  virtual void OnRtcpReceived(rtc::Buffer* packet) {}
143  virtual void SetSendSsrc(uint32 id) {}  // TODO: change RTP packet?
144  virtual bool SetRtcpCName(const std::string& cname) { return true; }
145  virtual bool Mute(bool on) { return mute_; }
146  virtual bool SetStartSendBandwidth(int bps) { return true; }
147  virtual bool SetMaxSendBandwidth(int bps) { return true; }
148  virtual bool SetOptions(int options) { return true; }
149  virtual bool SetRecvRtpHeaderExtensions(
150      const std::vector<RtpHeaderExtension>& extensions) { return true; }
151  virtual bool SetSendRtpHeaderExtensions(
152      const std::vector<RtpHeaderExtension>& extensions) { return true; }
153
154  virtual void StartRing(bool bIncomingCall);
155  virtual void StopRing();
156
157 private:
158  int pt_;
159  bool mute_;
160  bool play_;
161  AudioStream *audio_stream_;
162  LinphoneMediaEngine *engine_;
163  RingStream* ring_stream_;
164  rtc::scoped_ptr<rtc::AsyncSocket> socket_;
165  void OnIncomingData(rtc::AsyncSocket *s);
166
167  DISALLOW_COPY_AND_ASSIGN(LinphoneVoiceChannel);
168};
169
170}  // namespace cricket
171
172#endif  // TALK_SESSION_PHONE_LINPHONEMEDIAENGINE_H_
173