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/base/scoped_ptr.h"
41#include "talk/media/base/codec.h"
42#include "talk/media/base/mediachannel.h"
43#include "talk/media/base/mediaengine.h"
44
45namespace talk_base {
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 SetVideoOptions(int options) { return true; }
74  virtual bool SetDefaultVideoEncoderConfig(const VideoEncoderConfig& config) {
75    return true;
76  }
77  virtual bool SetSoundDevices(const Device* in_dev, const Device* out_dev) {
78    return true;
79  }
80  virtual bool SetVideoCaptureDevice(const Device* cam_device) { return true; }
81  virtual bool SetOutputVolume(int level) { return true; }
82  virtual int GetInputLevel() { return 0; }
83  virtual bool SetLocalMonitor(bool enable) { return true; }
84  virtual bool SetLocalRenderer(VideoRenderer* renderer) { return true; }
85  // TODO: control channel send?
86  virtual bool SetVideoCapture(bool capture) { return true; }
87  virtual const std::vector<AudioCodec>& audio_codecs() {
88    return voice_codecs_;
89  }
90  virtual const std::vector<VideoCodec>& video_codecs() {
91    return video_codecs_;
92  }
93  virtual bool FindAudioCodec(const AudioCodec& codec);
94  virtual bool FindVideoCodec(const VideoCodec& codec) { return true; }
95  virtual void SetVoiceLogging(int min_sev, const char* filter) {}
96  virtual void SetVideoLogging(int min_sev, const char* filter) {}
97
98  std::string GetRingWav(){return ring_wav_;}
99  std::string GetCallWav(){return call_wav_;}
100
101  int have_ilbc;
102
103 private:
104  std::string voice_input_filename_;
105  std::string voice_output_filename_;
106  std::string video_input_filename_;
107  std::string video_output_filename_;
108  std::vector<AudioCodec> voice_codecs_;
109  std::vector<VideoCodec> video_codecs_;
110
111  std::string ring_wav_;
112  std::string call_wav_;
113
114  DISALLOW_COPY_AND_ASSIGN(LinphoneMediaEngine);
115};
116
117class LinphoneVoiceChannel : public VoiceMediaChannel {
118 public:
119  LinphoneVoiceChannel(LinphoneMediaEngine *eng);
120  virtual ~LinphoneVoiceChannel();
121
122  // Implement pure virtual methods of VoiceMediaChannel.
123  virtual bool SetRecvCodecs(const std::vector<AudioCodec>& codecs) { return true; }
124  virtual bool SetSendCodecs(const std::vector<AudioCodec>& codecs);
125  virtual bool SetPlayout(bool playout);
126  virtual bool SetSend(SendFlags flag);
127  virtual bool AddStream(uint32 ssrc) { return true; }
128  virtual bool RemoveStream(uint32 ssrc) { return true; }
129  virtual bool GetActiveStreams(AudioInfo::StreamList* actives) { return true; }
130  virtual int GetOutputLevel() { return 0; }
131  virtual bool SetOutputScaling(uint32 ssrc, double left, double right) {
132    return false;
133  }
134  virtual bool GetOutputScaling(uint32 ssrc, double* left, double* right) {
135    return false;
136  }
137  virtual void SetRingbackTone(const char* buf, int len) {}
138  virtual bool PlayRingbackTone(bool play, bool loop) { return true; }
139  virtual bool PressDTMF(int event, bool playout) { return true; }
140  virtual bool GetStats(VoiceMediaInfo* info) { return true; }
141
142  // Implement pure virtual methods of MediaChannel.
143  virtual void OnPacketReceived(talk_base::Buffer* packet);
144  virtual void OnRtcpReceived(talk_base::Buffer* packet) {}
145  virtual void SetSendSsrc(uint32 id) {}  // TODO: change RTP packet?
146  virtual bool SetRtcpCName(const std::string& cname) { return true; }
147  virtual bool Mute(bool on) { return mute_; }
148  virtual bool SetSendBandwidth(bool autobw, int bps) { return true; }
149  virtual bool SetOptions(int options) { return true; }
150  virtual bool SetRecvRtpHeaderExtensions(
151      const std::vector<RtpHeaderExtension>& extensions) { return true; }
152  virtual bool SetSendRtpHeaderExtensions(
153      const std::vector<RtpHeaderExtension>& extensions) { return true; }
154
155  virtual void StartRing(bool bIncomingCall);
156  virtual void StopRing();
157
158 private:
159  int pt_;
160  bool mute_;
161  bool play_;
162  AudioStream *audio_stream_;
163  LinphoneMediaEngine *engine_;
164  RingStream* ring_stream_;
165  talk_base::scoped_ptr<talk_base::AsyncSocket> socket_;
166  void OnIncomingData(talk_base::AsyncSocket *s);
167
168  DISALLOW_COPY_AND_ASSIGN(LinphoneVoiceChannel);
169};
170
171}  // namespace cricket
172
173#endif  // TALK_SESSION_PHONE_LINPHONEMEDIAENGINE_H_
174