Upstream version 9.38.198.0
[platform/framework/web/crosswalk.git] / src / third_party / libjingle / source / talk / media / webrtc / fakewebrtcvoiceengine.h
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 #ifndef TALK_SESSION_PHONE_FAKEWEBRTCVOICEENGINE_H_
29 #define TALK_SESSION_PHONE_FAKEWEBRTCVOICEENGINE_H_
30
31 #include <list>
32 #include <map>
33 #include <vector>
34
35 #include "talk/media/base/codec.h"
36 #include "talk/media/base/rtputils.h"
37 #include "talk/media/base/voiceprocessor.h"
38 #include "talk/media/webrtc/fakewebrtccommon.h"
39 #include "talk/media/webrtc/webrtcvoe.h"
40 #include "webrtc/base/basictypes.h"
41 #include "webrtc/base/gunit.h"
42 #include "webrtc/base/stringutils.h"
43 #ifdef USE_WEBRTC_DEV_BRANCH
44 #include "webrtc/modules/audio_processing/include/audio_processing.h"
45 #endif
46
47 namespace webrtc {
48 class ViENetwork;
49 }
50
51 namespace cricket {
52
53 // Function returning stats will return these values
54 // for all values based on type.
55 const int kIntStatValue = 123;
56 const float kFractionLostStatValue = 0.5;
57
58 static const char kFakeDefaultDeviceName[] = "Fake Default";
59 static const int kFakeDefaultDeviceId = -1;
60 static const char kFakeDeviceName[] = "Fake Device";
61 #ifdef WIN32
62 static const int kFakeDeviceId = 0;
63 #else
64 static const int kFakeDeviceId = 1;
65 #endif
66
67 // Verify the header extension ID, if enabled, is within the bounds specified in
68 // [RFC5285]: 1-14 inclusive.
69 #define WEBRTC_CHECK_HEADER_EXTENSION_ID(enable, id) \
70   do { \
71     if (enable && (id < 1 || id > 14)) { \
72       return -1; \
73     } \
74   } while (0);
75
76 #ifdef USE_WEBRTC_DEV_BRANCH
77 class FakeAudioProcessing : public webrtc::AudioProcessing {
78  public:
79   FakeAudioProcessing() : experimental_ns_enabled_(false) {}
80
81   WEBRTC_STUB(Initialize, ())
82   WEBRTC_STUB(Initialize, (
83       int input_sample_rate_hz,
84       int output_sample_rate_hz,
85       int reverse_sample_rate_hz,
86       webrtc::AudioProcessing::ChannelLayout input_layout,
87       webrtc::AudioProcessing::ChannelLayout output_layout,
88       webrtc::AudioProcessing::ChannelLayout reverse_layout));
89
90   WEBRTC_VOID_FUNC(SetExtraOptions, (const webrtc::Config& config)) {
91     experimental_ns_enabled_ = config.Get<webrtc::ExperimentalNs>().enabled;
92   }
93
94   WEBRTC_STUB(set_sample_rate_hz, (int rate));
95   WEBRTC_STUB_CONST(input_sample_rate_hz, ());
96   WEBRTC_STUB_CONST(sample_rate_hz, ());
97   WEBRTC_STUB_CONST(proc_sample_rate_hz, ());
98   WEBRTC_STUB_CONST(proc_split_sample_rate_hz, ());
99   WEBRTC_STUB_CONST(num_input_channels, ());
100   WEBRTC_STUB_CONST(num_output_channels, ());
101   WEBRTC_STUB_CONST(num_reverse_channels, ());
102   WEBRTC_VOID_STUB(set_output_will_be_muted, (bool muted));
103   WEBRTC_BOOL_STUB_CONST(output_will_be_muted, ());
104   WEBRTC_STUB(ProcessStream, (webrtc::AudioFrame* frame));
105   WEBRTC_STUB(ProcessStream, (
106       const float* const* src,
107       int samples_per_channel,
108       int input_sample_rate_hz,
109       webrtc::AudioProcessing::ChannelLayout input_layout,
110       int output_sample_rate_hz,
111       webrtc::AudioProcessing::ChannelLayout output_layout,
112       float* const* dest));
113   WEBRTC_STUB(AnalyzeReverseStream, (webrtc::AudioFrame* frame));
114   WEBRTC_STUB(AnalyzeReverseStream, (
115       const float* const* data,
116       int samples_per_channel,
117       int sample_rate_hz,
118       webrtc::AudioProcessing::ChannelLayout layout));
119   WEBRTC_STUB(set_stream_delay_ms, (int delay));
120   WEBRTC_STUB_CONST(stream_delay_ms, ());
121   WEBRTC_BOOL_STUB_CONST(was_stream_delay_set, ());
122   WEBRTC_VOID_STUB(set_stream_key_pressed, (bool key_pressed));
123   WEBRTC_BOOL_STUB_CONST(stream_key_pressed, ());
124   WEBRTC_VOID_STUB(set_delay_offset_ms, (int offset));
125   WEBRTC_STUB_CONST(delay_offset_ms, ());
126   WEBRTC_STUB(StartDebugRecording, (const char filename[kMaxFilenameSize]));
127   WEBRTC_STUB(StartDebugRecording, (FILE* handle));
128   WEBRTC_STUB(StopDebugRecording, ());
129   virtual webrtc::EchoCancellation* echo_cancellation() const OVERRIDE {
130     return NULL;
131   }
132   virtual webrtc::EchoControlMobile* echo_control_mobile() const OVERRIDE {
133     return NULL;
134   }
135   virtual webrtc::GainControl* gain_control() const OVERRIDE { return NULL; }
136   virtual webrtc::HighPassFilter* high_pass_filter() const OVERRIDE {
137     return NULL;
138   }
139   virtual webrtc::LevelEstimator* level_estimator() const OVERRIDE {
140     return NULL;
141   }
142   virtual webrtc::NoiseSuppression* noise_suppression() const OVERRIDE {
143     return NULL;
144   }
145   virtual webrtc::VoiceDetection* voice_detection() const OVERRIDE {
146     return NULL;
147   }
148
149   bool experimental_ns_enabled() {
150     return experimental_ns_enabled_;
151   }
152
153  private:
154   bool experimental_ns_enabled_;
155 };
156 #endif
157
158 class FakeWebRtcVoiceEngine
159     : public webrtc::VoEAudioProcessing,
160       public webrtc::VoEBase, public webrtc::VoECodec, public webrtc::VoEDtmf,
161       public webrtc::VoEFile, public webrtc::VoEHardware,
162       public webrtc::VoEExternalMedia, public webrtc::VoENetEqStats,
163       public webrtc::VoENetwork, public webrtc::VoERTP_RTCP,
164       public webrtc::VoEVideoSync, public webrtc::VoEVolumeControl {
165  public:
166   struct DtmfInfo {
167     DtmfInfo()
168       : dtmf_event_code(-1),
169         dtmf_out_of_band(false),
170         dtmf_length_ms(-1) {}
171     int dtmf_event_code;
172     bool dtmf_out_of_band;
173     int dtmf_length_ms;
174   };
175   struct Channel {
176     explicit Channel()
177         : external_transport(false),
178           send(false),
179           playout(false),
180           volume_scale(1.0),
181           volume_pan_left(1.0),
182           volume_pan_right(1.0),
183           file(false),
184           vad(false),
185           codec_fec(false),
186           red(false),
187           nack(false),
188           media_processor_registered(false),
189           rx_agc_enabled(false),
190           rx_agc_mode(webrtc::kAgcDefault),
191           cn8_type(13),
192           cn16_type(105),
193           dtmf_type(106),
194           red_type(117),
195           nack_max_packets(0),
196           vie_network(NULL),
197           video_channel(-1),
198           send_ssrc(0),
199           send_audio_level_ext_(-1),
200           receive_audio_level_ext_(-1),
201           send_absolute_sender_time_ext_(-1),
202           receive_absolute_sender_time_ext_(-1) {
203       memset(&send_codec, 0, sizeof(send_codec));
204       memset(&rx_agc_config, 0, sizeof(rx_agc_config));
205     }
206     bool external_transport;
207     bool send;
208     bool playout;
209     float volume_scale;
210     float volume_pan_left;
211     float volume_pan_right;
212     bool file;
213     bool vad;
214     bool codec_fec;
215     bool red;
216     bool nack;
217     bool media_processor_registered;
218     bool rx_agc_enabled;
219     webrtc::AgcModes rx_agc_mode;
220     webrtc::AgcConfig rx_agc_config;
221     int cn8_type;
222     int cn16_type;
223     int dtmf_type;
224     int red_type;
225     int nack_max_packets;
226     webrtc::ViENetwork* vie_network;
227     int video_channel;
228     uint32 send_ssrc;
229     int send_audio_level_ext_;
230     int receive_audio_level_ext_;
231     int send_absolute_sender_time_ext_;
232     int receive_absolute_sender_time_ext_;
233     DtmfInfo dtmf_info;
234     std::vector<webrtc::CodecInst> recv_codecs;
235     webrtc::CodecInst send_codec;
236     webrtc::PacketTime last_rtp_packet_time;
237     std::list<std::string> packets;
238   };
239
240   FakeWebRtcVoiceEngine(const cricket::AudioCodec* const* codecs,
241                         int num_codecs)
242       : inited_(false),
243         last_channel_(-1),
244         fail_create_channel_(false),
245         codecs_(codecs),
246         num_codecs_(num_codecs),
247         num_set_send_codecs_(0),
248         ec_enabled_(false),
249         ec_metrics_enabled_(false),
250         cng_enabled_(false),
251         ns_enabled_(false),
252         agc_enabled_(false),
253         highpass_filter_enabled_(false),
254         stereo_swapping_enabled_(false),
255         typing_detection_enabled_(false),
256         ec_mode_(webrtc::kEcDefault),
257         aecm_mode_(webrtc::kAecmSpeakerphone),
258         ns_mode_(webrtc::kNsDefault),
259         agc_mode_(webrtc::kAgcDefault),
260         observer_(NULL),
261         playout_fail_channel_(-1),
262         send_fail_channel_(-1),
263         fail_start_recording_microphone_(false),
264         recording_microphone_(false),
265         recording_sample_rate_(-1),
266         playout_sample_rate_(-1),
267         media_processor_(NULL) {
268     memset(&agc_config_, 0, sizeof(agc_config_));
269   }
270   ~FakeWebRtcVoiceEngine() {
271     // Ought to have all been deleted by the WebRtcVoiceMediaChannel
272     // destructors, but just in case ...
273     for (std::map<int, Channel*>::const_iterator i = channels_.begin();
274          i != channels_.end(); ++i) {
275       delete i->second;
276     }
277   }
278
279   bool IsExternalMediaProcessorRegistered() const {
280     return media_processor_ != NULL;
281   }
282   bool IsInited() const { return inited_; }
283   int GetLastChannel() const { return last_channel_; }
284   int GetChannelFromLocalSsrc(uint32 local_ssrc) const {
285     for (std::map<int, Channel*>::const_iterator iter = channels_.begin();
286          iter != channels_.end(); ++iter) {
287       if (local_ssrc == iter->second->send_ssrc)
288         return iter->first;
289     }
290     return -1;
291   }
292   int GetNumChannels() const { return static_cast<int>(channels_.size()); }
293   bool GetPlayout(int channel) {
294     return channels_[channel]->playout;
295   }
296   bool GetSend(int channel) {
297     return channels_[channel]->send;
298   }
299   bool GetRecordingMicrophone() {
300     return recording_microphone_;
301   }
302   bool GetVAD(int channel) {
303     return channels_[channel]->vad;
304   }
305   bool GetRED(int channel) {
306     return channels_[channel]->red;
307   }
308   bool GetCodecFEC(int channel) {
309     return channels_[channel]->codec_fec;
310   }
311   bool GetNACK(int channel) {
312     return channels_[channel]->nack;
313   }
314   int GetNACKMaxPackets(int channel) {
315     return channels_[channel]->nack_max_packets;
316   }
317   webrtc::ViENetwork* GetViENetwork(int channel) {
318     WEBRTC_ASSERT_CHANNEL(channel);
319     return channels_[channel]->vie_network;
320   }
321   int GetVideoChannel(int channel) {
322     WEBRTC_ASSERT_CHANNEL(channel);
323     return channels_[channel]->video_channel;
324   }
325   const webrtc::PacketTime& GetLastRtpPacketTime(int channel) {
326     WEBRTC_ASSERT_CHANNEL(channel);
327     return channels_[channel]->last_rtp_packet_time;
328   }
329   int GetSendCNPayloadType(int channel, bool wideband) {
330     return (wideband) ?
331         channels_[channel]->cn16_type :
332         channels_[channel]->cn8_type;
333   }
334   int GetSendTelephoneEventPayloadType(int channel) {
335     return channels_[channel]->dtmf_type;
336   }
337   int GetSendREDPayloadType(int channel) {
338     return channels_[channel]->red_type;
339   }
340   bool CheckPacket(int channel, const void* data, size_t len) {
341     bool result = !CheckNoPacket(channel);
342     if (result) {
343       std::string packet = channels_[channel]->packets.front();
344       result = (packet == std::string(static_cast<const char*>(data), len));
345       channels_[channel]->packets.pop_front();
346     }
347     return result;
348   }
349   bool CheckNoPacket(int channel) {
350     return channels_[channel]->packets.empty();
351   }
352   void TriggerCallbackOnError(int channel_num, int err_code) {
353     ASSERT(observer_ != NULL);
354     observer_->CallbackOnError(channel_num, err_code);
355   }
356   void set_playout_fail_channel(int channel) {
357     playout_fail_channel_ = channel;
358   }
359   void set_send_fail_channel(int channel) {
360     send_fail_channel_ = channel;
361   }
362   void set_fail_start_recording_microphone(
363       bool fail_start_recording_microphone) {
364     fail_start_recording_microphone_ = fail_start_recording_microphone;
365   }
366   void set_fail_create_channel(bool fail_create_channel) {
367     fail_create_channel_ = fail_create_channel;
368   }
369   void TriggerProcessPacket(MediaProcessorDirection direction) {
370     webrtc::ProcessingTypes pt =
371         (direction == cricket::MPD_TX) ?
372             webrtc::kRecordingPerChannel : webrtc::kPlaybackAllChannelsMixed;
373     if (media_processor_ != NULL) {
374       media_processor_->Process(0,
375                                 pt,
376                                 NULL,
377                                 0,
378                                 0,
379                                 true);
380     }
381   }
382   int AddChannel() {
383     if (fail_create_channel_) {
384       return -1;
385     }
386     Channel* ch = new Channel();
387     for (int i = 0; i < NumOfCodecs(); ++i) {
388       webrtc::CodecInst codec;
389       GetCodec(i, codec);
390       ch->recv_codecs.push_back(codec);
391     }
392     channels_[++last_channel_] = ch;
393     return last_channel_;
394   }
395   int GetSendRtpExtensionId(int channel, const std::string& extension) {
396     WEBRTC_ASSERT_CHANNEL(channel);
397     if (extension == kRtpAudioLevelHeaderExtension) {
398       return channels_[channel]->send_audio_level_ext_;
399     } else if (extension == kRtpAbsoluteSenderTimeHeaderExtension) {
400       return channels_[channel]->send_absolute_sender_time_ext_;
401     }
402     return -1;
403   }
404   int GetReceiveRtpExtensionId(int channel, const std::string& extension) {
405     WEBRTC_ASSERT_CHANNEL(channel);
406     if (extension == kRtpAudioLevelHeaderExtension) {
407       return channels_[channel]->receive_audio_level_ext_;
408     } else if (extension == kRtpAbsoluteSenderTimeHeaderExtension) {
409       return channels_[channel]->receive_absolute_sender_time_ext_;
410     }
411     return -1;
412   }
413
414   int GetNumSetSendCodecs() const { return num_set_send_codecs_; }
415
416   WEBRTC_STUB(Release, ());
417
418   // webrtc::VoEBase
419   WEBRTC_FUNC(RegisterVoiceEngineObserver, (
420       webrtc::VoiceEngineObserver& observer)) {
421     observer_ = &observer;
422     return 0;
423   }
424   WEBRTC_STUB(DeRegisterVoiceEngineObserver, ());
425   WEBRTC_FUNC(Init, (webrtc::AudioDeviceModule* adm,
426                      webrtc::AudioProcessing* audioproc)) {
427     inited_ = true;
428     return 0;
429   }
430   WEBRTC_FUNC(Terminate, ()) {
431     inited_ = false;
432     return 0;
433   }
434   virtual webrtc::AudioProcessing* audio_processing() OVERRIDE {
435 #ifdef USE_WEBRTC_DEV_BRANCH
436     return &audio_processing_;
437 #else
438     return NULL;
439 #endif
440   }
441   WEBRTC_FUNC(CreateChannel, ()) {
442     return AddChannel();
443   }
444   WEBRTC_FUNC(CreateChannel, (const webrtc::Config& /*config*/)) {
445     return AddChannel();
446   }
447   WEBRTC_FUNC(DeleteChannel, (int channel)) {
448     WEBRTC_CHECK_CHANNEL(channel);
449     delete channels_[channel];
450     channels_.erase(channel);
451     return 0;
452   }
453   WEBRTC_STUB(StartReceive, (int channel));
454   WEBRTC_FUNC(StartPlayout, (int channel)) {
455     if (playout_fail_channel_ != channel) {
456       WEBRTC_CHECK_CHANNEL(channel);
457       channels_[channel]->playout = true;
458       return 0;
459     } else {
460       // When playout_fail_channel_ == channel, fail the StartPlayout on this
461       // channel.
462       return -1;
463     }
464   }
465   WEBRTC_FUNC(StartSend, (int channel)) {
466     if (send_fail_channel_ != channel) {
467       WEBRTC_CHECK_CHANNEL(channel);
468       channels_[channel]->send = true;
469       return 0;
470     } else {
471       // When send_fail_channel_ == channel, fail the StartSend on this
472       // channel.
473       return -1;
474     }
475   }
476   WEBRTC_STUB(StopReceive, (int channel));
477   WEBRTC_FUNC(StopPlayout, (int channel)) {
478     WEBRTC_CHECK_CHANNEL(channel);
479     channels_[channel]->playout = false;
480     return 0;
481   }
482   WEBRTC_FUNC(StopSend, (int channel)) {
483     WEBRTC_CHECK_CHANNEL(channel);
484     channels_[channel]->send = false;
485     return 0;
486   }
487   WEBRTC_STUB(GetVersion, (char version[1024]));
488   WEBRTC_STUB(LastError, ());
489   WEBRTC_STUB(SetOnHoldStatus, (int, bool, webrtc::OnHoldModes));
490   WEBRTC_STUB(GetOnHoldStatus, (int, bool&, webrtc::OnHoldModes&));
491   WEBRTC_STUB(SetNetEQPlayoutMode, (int, webrtc::NetEqModes));
492   WEBRTC_STUB(GetNetEQPlayoutMode, (int, webrtc::NetEqModes&));
493
494   // webrtc::VoECodec
495   WEBRTC_FUNC(NumOfCodecs, ()) {
496     return num_codecs_;
497   }
498   WEBRTC_FUNC(GetCodec, (int index, webrtc::CodecInst& codec)) {
499     if (index < 0 || index >= NumOfCodecs()) {
500       return -1;
501     }
502     const cricket::AudioCodec& c(*codecs_[index]);
503     codec.pltype = c.id;
504     rtc::strcpyn(codec.plname, sizeof(codec.plname), c.name.c_str());
505     codec.plfreq = c.clockrate;
506     codec.pacsize = 0;
507     codec.channels = c.channels;
508     codec.rate = c.bitrate;
509     return 0;
510   }
511   WEBRTC_FUNC(SetSendCodec, (int channel, const webrtc::CodecInst& codec)) {
512     WEBRTC_CHECK_CHANNEL(channel);
513     // To match the behavior of the real implementation.
514     if (_stricmp(codec.plname, "telephone-event") == 0 ||
515         _stricmp(codec.plname, "audio/telephone-event") == 0 ||
516         _stricmp(codec.plname, "CN") == 0 ||
517         _stricmp(codec.plname, "red") == 0 ) {
518       return -1;
519     }
520     channels_[channel]->send_codec = codec;
521     ++num_set_send_codecs_;
522     return 0;
523   }
524   WEBRTC_FUNC(GetSendCodec, (int channel, webrtc::CodecInst& codec)) {
525     WEBRTC_CHECK_CHANNEL(channel);
526     codec = channels_[channel]->send_codec;
527     return 0;
528   }
529   WEBRTC_STUB(SetSecondarySendCodec, (int channel,
530                                       const webrtc::CodecInst& codec,
531                                       int red_payload_type));
532   WEBRTC_STUB(RemoveSecondarySendCodec, (int channel));
533   WEBRTC_STUB(GetSecondarySendCodec, (int channel,
534                                       webrtc::CodecInst& codec));
535   WEBRTC_FUNC(GetRecCodec, (int channel, webrtc::CodecInst& codec)) {
536     WEBRTC_CHECK_CHANNEL(channel);
537     const Channel* c = channels_[channel];
538     for (std::list<std::string>::const_iterator it_packet = c->packets.begin();
539         it_packet != c->packets.end(); ++it_packet) {
540       int pltype;
541       if (!GetRtpPayloadType(it_packet->data(), it_packet->length(), &pltype)) {
542         continue;
543       }
544       for (std::vector<webrtc::CodecInst>::const_iterator it_codec =
545           c->recv_codecs.begin(); it_codec != c->recv_codecs.end();
546           ++it_codec) {
547         if (it_codec->pltype == pltype) {
548           codec = *it_codec;
549           return 0;
550         }
551       }
552     }
553     return -1;
554   }
555   WEBRTC_STUB(SetAMREncFormat, (int channel, webrtc::AmrMode mode));
556   WEBRTC_STUB(SetAMRDecFormat, (int channel, webrtc::AmrMode mode));
557   WEBRTC_STUB(SetAMRWbEncFormat, (int channel, webrtc::AmrMode mode));
558   WEBRTC_STUB(SetAMRWbDecFormat, (int channel, webrtc::AmrMode mode));
559   WEBRTC_STUB(SetISACInitTargetRate, (int channel, int rateBps,
560                                       bool useFixedFrameSize));
561   WEBRTC_STUB(SetISACMaxRate, (int channel, int rateBps));
562   WEBRTC_STUB(SetISACMaxPayloadSize, (int channel, int sizeBytes));
563   WEBRTC_FUNC(SetRecPayloadType, (int channel,
564                                   const webrtc::CodecInst& codec)) {
565     WEBRTC_CHECK_CHANNEL(channel);
566     Channel* ch = channels_[channel];
567     if (ch->playout)
568       return -1;  // Channel is in use.
569     // Check if something else already has this slot.
570     if (codec.pltype != -1) {
571       for (std::vector<webrtc::CodecInst>::iterator it =
572           ch->recv_codecs.begin(); it != ch->recv_codecs.end(); ++it) {
573         if (it->pltype == codec.pltype &&
574             _stricmp(it->plname, codec.plname) != 0) {
575           return -1;
576         }
577       }
578     }
579     // Otherwise try to find this codec and update its payload type.
580     for (std::vector<webrtc::CodecInst>::iterator it = ch->recv_codecs.begin();
581          it != ch->recv_codecs.end(); ++it) {
582       if (strcmp(it->plname, codec.plname) == 0 &&
583           it->plfreq == codec.plfreq) {
584         it->pltype = codec.pltype;
585         it->channels = codec.channels;
586         return 0;
587       }
588     }
589     return -1;  // not found
590   }
591   WEBRTC_FUNC(SetSendCNPayloadType, (int channel, int type,
592                                      webrtc::PayloadFrequencies frequency)) {
593     WEBRTC_CHECK_CHANNEL(channel);
594     if (frequency == webrtc::kFreq8000Hz) {
595       channels_[channel]->cn8_type = type;
596     } else if (frequency == webrtc::kFreq16000Hz) {
597       channels_[channel]->cn16_type = type;
598     }
599     return 0;
600   }
601   WEBRTC_FUNC(GetRecPayloadType, (int channel, webrtc::CodecInst& codec)) {
602     WEBRTC_CHECK_CHANNEL(channel);
603     Channel* ch = channels_[channel];
604     for (std::vector<webrtc::CodecInst>::iterator it = ch->recv_codecs.begin();
605          it != ch->recv_codecs.end(); ++it) {
606       if (strcmp(it->plname, codec.plname) == 0 &&
607           it->plfreq == codec.plfreq &&
608           it->channels == codec.channels &&
609           it->pltype != -1) {
610         codec.pltype = it->pltype;
611         return 0;
612       }
613     }
614     return -1;  // not found
615   }
616   WEBRTC_FUNC(SetVADStatus, (int channel, bool enable, webrtc::VadModes mode,
617                              bool disableDTX)) {
618     WEBRTC_CHECK_CHANNEL(channel);
619     if (channels_[channel]->send_codec.channels == 2) {
620       // Replicating VoE behavior; VAD cannot be enabled for stereo.
621       return -1;
622     }
623     channels_[channel]->vad = enable;
624     return 0;
625   }
626   WEBRTC_STUB(GetVADStatus, (int channel, bool& enabled,
627                              webrtc::VadModes& mode, bool& disabledDTX));
628 #ifdef USE_WEBRTC_DEV_BRANCH
629   WEBRTC_FUNC(SetFECStatus, (int channel, bool enable)) {
630     WEBRTC_CHECK_CHANNEL(channel);
631     if (strcmp(channels_[channel]->send_codec.plname, "opus")) {
632       // Return -1 if current send codec is not Opus.
633       // TODO(minyue): Excludes other codecs if they support inband FEC.
634       return -1;
635     }
636     channels_[channel]->codec_fec = enable;
637     return 0;
638   }
639   WEBRTC_FUNC(GetFECStatus, (int channel, bool& enable)) {
640     WEBRTC_CHECK_CHANNEL(channel);
641     enable = channels_[channel]->codec_fec;
642     return 0;
643   }
644 #endif  // USE_WEBRTC_DEV_BRANCH
645
646   // webrtc::VoEDtmf
647   WEBRTC_FUNC(SendTelephoneEvent, (int channel, int event_code,
648       bool out_of_band = true, int length_ms = 160, int attenuation_db = 10)) {
649     channels_[channel]->dtmf_info.dtmf_event_code = event_code;
650     channels_[channel]->dtmf_info.dtmf_out_of_band = out_of_band;
651     channels_[channel]->dtmf_info.dtmf_length_ms = length_ms;
652     return 0;
653   }
654
655   WEBRTC_FUNC(SetSendTelephoneEventPayloadType,
656       (int channel, unsigned char type)) {
657     channels_[channel]->dtmf_type = type;
658     return 0;
659   };
660   WEBRTC_STUB(GetSendTelephoneEventPayloadType,
661       (int channel, unsigned char& type));
662
663   WEBRTC_STUB(SetDtmfFeedbackStatus, (bool enable, bool directFeedback));
664   WEBRTC_STUB(GetDtmfFeedbackStatus, (bool& enabled, bool& directFeedback));
665   WEBRTC_STUB(SetDtmfPlayoutStatus, (int channel, bool enable));
666   WEBRTC_STUB(GetDtmfPlayoutStatus, (int channel, bool& enabled));
667
668   WEBRTC_FUNC(PlayDtmfTone,
669       (int event_code, int length_ms = 200, int attenuation_db = 10)) {
670     dtmf_info_.dtmf_event_code = event_code;
671     dtmf_info_.dtmf_length_ms = length_ms;
672     return 0;
673   }
674   WEBRTC_STUB(StartPlayingDtmfTone,
675       (int eventCode, int attenuationDb = 10));
676   WEBRTC_STUB(StopPlayingDtmfTone, ());
677
678   // webrtc::VoEFile
679   WEBRTC_FUNC(StartPlayingFileLocally, (int channel, const char* fileNameUTF8,
680                                         bool loop, webrtc::FileFormats format,
681                                         float volumeScaling, int startPointMs,
682                                         int stopPointMs)) {
683     WEBRTC_CHECK_CHANNEL(channel);
684     channels_[channel]->file = true;
685     return 0;
686   }
687   WEBRTC_FUNC(StartPlayingFileLocally, (int channel, webrtc::InStream* stream,
688                                         webrtc::FileFormats format,
689                                         float volumeScaling, int startPointMs,
690                                         int stopPointMs)) {
691     WEBRTC_CHECK_CHANNEL(channel);
692     channels_[channel]->file = true;
693     return 0;
694   }
695   WEBRTC_FUNC(StopPlayingFileLocally, (int channel)) {
696     WEBRTC_CHECK_CHANNEL(channel);
697     channels_[channel]->file = false;
698     return 0;
699   }
700   WEBRTC_FUNC(IsPlayingFileLocally, (int channel)) {
701     WEBRTC_CHECK_CHANNEL(channel);
702     return (channels_[channel]->file) ? 1 : 0;
703   }
704   WEBRTC_STUB(ScaleLocalFilePlayout, (int channel, float scale));
705   WEBRTC_STUB(StartPlayingFileAsMicrophone, (int channel,
706                                              const char* fileNameUTF8,
707                                              bool loop,
708                                              bool mixWithMicrophone,
709                                              webrtc::FileFormats format,
710                                              float volumeScaling));
711   WEBRTC_STUB(StartPlayingFileAsMicrophone, (int channel,
712                                              webrtc::InStream* stream,
713                                              bool mixWithMicrophone,
714                                              webrtc::FileFormats format,
715                                              float volumeScaling));
716   WEBRTC_STUB(StopPlayingFileAsMicrophone, (int channel));
717   WEBRTC_STUB(IsPlayingFileAsMicrophone, (int channel));
718   WEBRTC_STUB(ScaleFileAsMicrophonePlayout, (int channel, float scale));
719   WEBRTC_STUB(StartRecordingPlayout, (int channel, const char* fileNameUTF8,
720                                       webrtc::CodecInst* compression,
721                                       int maxSizeBytes));
722   WEBRTC_STUB(StartRecordingPlayout, (int channel, webrtc::OutStream* stream,
723                                       webrtc::CodecInst* compression));
724   WEBRTC_STUB(StopRecordingPlayout, (int channel));
725   WEBRTC_FUNC(StartRecordingMicrophone, (const char* fileNameUTF8,
726                                          webrtc::CodecInst* compression,
727                                          int maxSizeBytes)) {
728     if (fail_start_recording_microphone_) {
729       return -1;
730     }
731     recording_microphone_ = true;
732     return 0;
733   }
734   WEBRTC_FUNC(StartRecordingMicrophone, (webrtc::OutStream* stream,
735                                          webrtc::CodecInst* compression)) {
736     if (fail_start_recording_microphone_) {
737       return -1;
738     }
739     recording_microphone_ = true;
740     return 0;
741   }
742   WEBRTC_FUNC(StopRecordingMicrophone, ()) {
743     if (!recording_microphone_) {
744       return -1;
745     }
746     recording_microphone_ = false;
747     return 0;
748   }
749   WEBRTC_STUB(ConvertPCMToWAV, (const char* fileNameInUTF8,
750                                 const char* fileNameOutUTF8));
751   WEBRTC_STUB(ConvertPCMToWAV, (webrtc::InStream* streamIn,
752                                 webrtc::OutStream* streamOut));
753   WEBRTC_STUB(ConvertWAVToPCM, (const char* fileNameInUTF8,
754                                 const char* fileNameOutUTF8));
755   WEBRTC_STUB(ConvertWAVToPCM, (webrtc::InStream* streamIn,
756                                 webrtc::OutStream* streamOut));
757   WEBRTC_STUB(ConvertPCMToCompressed, (const char* fileNameInUTF8,
758                                        const char* fileNameOutUTF8,
759                                        webrtc::CodecInst* compression));
760   WEBRTC_STUB(ConvertPCMToCompressed, (webrtc::InStream* streamIn,
761                                        webrtc::OutStream* streamOut,
762                                        webrtc::CodecInst* compression));
763   WEBRTC_STUB(ConvertCompressedToPCM, (const char* fileNameInUTF8,
764                                      const char* fileNameOutUTF8));
765   WEBRTC_STUB(ConvertCompressedToPCM, (webrtc::InStream* streamIn,
766                                        webrtc::OutStream* streamOut));
767   WEBRTC_STUB(GetFileDuration, (const char* fileNameUTF8, int& durationMs,
768                                 webrtc::FileFormats format));
769   WEBRTC_STUB(GetPlaybackPosition, (int channel, int& positionMs));
770
771   // webrtc::VoEHardware
772   WEBRTC_STUB(GetCPULoad, (int&));
773   WEBRTC_FUNC(GetNumOfRecordingDevices, (int& num)) {
774     return GetNumDevices(num);
775   }
776   WEBRTC_FUNC(GetNumOfPlayoutDevices, (int& num)) {
777     return GetNumDevices(num);
778   }
779   WEBRTC_FUNC(GetRecordingDeviceName, (int i, char* name, char* guid)) {
780     return GetDeviceName(i, name, guid);
781   }
782   WEBRTC_FUNC(GetPlayoutDeviceName, (int i, char* name, char* guid)) {
783     return GetDeviceName(i, name, guid);
784   }
785   WEBRTC_STUB(SetRecordingDevice, (int, webrtc::StereoChannel));
786   WEBRTC_STUB(SetPlayoutDevice, (int));
787   WEBRTC_STUB(SetAudioDeviceLayer, (webrtc::AudioLayers));
788   WEBRTC_STUB(GetAudioDeviceLayer, (webrtc::AudioLayers&));
789   WEBRTC_STUB(GetPlayoutDeviceStatus, (bool&));
790   WEBRTC_STUB(GetRecordingDeviceStatus, (bool&));
791   WEBRTC_STUB(ResetAudioDevice, ());
792   WEBRTC_STUB(AudioDeviceControl, (unsigned int, unsigned int, unsigned int));
793   WEBRTC_STUB(SetLoudspeakerStatus, (bool enable));
794   WEBRTC_STUB(GetLoudspeakerStatus, (bool& enabled));
795   WEBRTC_FUNC(SetRecordingSampleRate, (unsigned int samples_per_sec)) {
796     recording_sample_rate_ = samples_per_sec;
797     return 0;
798   }
799   WEBRTC_FUNC_CONST(RecordingSampleRate, (unsigned int* samples_per_sec)) {
800     *samples_per_sec = recording_sample_rate_;
801     return 0;
802   }
803   WEBRTC_FUNC(SetPlayoutSampleRate, (unsigned int samples_per_sec)) {
804     playout_sample_rate_ = samples_per_sec;
805     return 0;
806   }
807   WEBRTC_FUNC_CONST(PlayoutSampleRate, (unsigned int* samples_per_sec)) {
808     *samples_per_sec = playout_sample_rate_;
809     return 0;
810   }
811   WEBRTC_STUB(EnableBuiltInAEC, (bool enable));
812   virtual bool BuiltInAECIsEnabled() const { return true; }
813
814   // webrtc::VoENetEqStats
815   WEBRTC_STUB(GetNetworkStatistics, (int, webrtc::NetworkStatistics&));
816   WEBRTC_FUNC_CONST(GetDecodingCallStatistics, (int channel,
817       webrtc::AudioDecodingCallStats*)) {
818     WEBRTC_CHECK_CHANNEL(channel);
819     return 0;
820   }
821
822   // webrtc::VoENetwork
823   WEBRTC_FUNC(RegisterExternalTransport, (int channel,
824                                           webrtc::Transport& transport)) {
825     WEBRTC_CHECK_CHANNEL(channel);
826     channels_[channel]->external_transport = true;
827     return 0;
828   }
829   WEBRTC_FUNC(DeRegisterExternalTransport, (int channel)) {
830     WEBRTC_CHECK_CHANNEL(channel);
831     channels_[channel]->external_transport = false;
832     return 0;
833   }
834   WEBRTC_FUNC(ReceivedRTPPacket, (int channel, const void* data,
835                                   unsigned int length)) {
836     WEBRTC_CHECK_CHANNEL(channel);
837     if (!channels_[channel]->external_transport) return -1;
838     channels_[channel]->packets.push_back(
839         std::string(static_cast<const char*>(data), length));
840     return 0;
841   }
842   WEBRTC_FUNC(ReceivedRTPPacket, (int channel, const void* data,
843                                   unsigned int length,
844                                   const webrtc::PacketTime& packet_time)) {
845     WEBRTC_CHECK_CHANNEL(channel);
846     if (ReceivedRTPPacket(channel, data, length) == -1) {
847       return -1;
848     }
849     channels_[channel]->last_rtp_packet_time = packet_time;
850     return 0;
851   }
852
853   WEBRTC_STUB(ReceivedRTCPPacket, (int channel, const void* data,
854                                    unsigned int length));
855
856   // webrtc::VoERTP_RTCP
857   WEBRTC_STUB(RegisterRTPObserver, (int channel,
858                                     webrtc::VoERTPObserver& observer));
859   WEBRTC_STUB(DeRegisterRTPObserver, (int channel));
860   WEBRTC_STUB(RegisterRTCPObserver, (int channel,
861                                      webrtc::VoERTCPObserver& observer));
862   WEBRTC_STUB(DeRegisterRTCPObserver, (int channel));
863   WEBRTC_FUNC(SetLocalSSRC, (int channel, unsigned int ssrc)) {
864     WEBRTC_CHECK_CHANNEL(channel);
865     channels_[channel]->send_ssrc = ssrc;
866     return 0;
867   }
868   WEBRTC_FUNC(GetLocalSSRC, (int channel, unsigned int& ssrc)) {
869     WEBRTC_CHECK_CHANNEL(channel);
870     ssrc = channels_[channel]->send_ssrc;
871     return 0;
872   }
873   WEBRTC_STUB(GetRemoteSSRC, (int channel, unsigned int& ssrc));
874   WEBRTC_FUNC(SetSendAudioLevelIndicationStatus, (int channel, bool enable,
875       unsigned char id)) {
876     WEBRTC_CHECK_CHANNEL(channel);
877     WEBRTC_CHECK_HEADER_EXTENSION_ID(enable, id);
878     channels_[channel]->send_audio_level_ext_ = (enable) ? id : -1;
879     return 0;
880   }
881   WEBRTC_FUNC(SetReceiveAudioLevelIndicationStatus, (int channel, bool enable,
882       unsigned char id)) {
883     WEBRTC_CHECK_CHANNEL(channel);
884     WEBRTC_CHECK_HEADER_EXTENSION_ID(enable, id);
885     channels_[channel]->receive_audio_level_ext_ = (enable) ? id : -1;
886    return 0;
887   }
888   WEBRTC_FUNC(SetSendAbsoluteSenderTimeStatus, (int channel, bool enable,
889       unsigned char id)) {
890     WEBRTC_CHECK_CHANNEL(channel);
891     WEBRTC_CHECK_HEADER_EXTENSION_ID(enable, id);
892     channels_[channel]->send_absolute_sender_time_ext_ = (enable) ? id : -1;
893     return 0;
894   }
895   WEBRTC_FUNC(SetReceiveAbsoluteSenderTimeStatus, (int channel, bool enable,
896       unsigned char id)) {
897     WEBRTC_CHECK_CHANNEL(channel);
898     WEBRTC_CHECK_HEADER_EXTENSION_ID(enable, id);
899     channels_[channel]->receive_absolute_sender_time_ext_ = (enable) ? id : -1;
900     return 0;
901   }
902
903   WEBRTC_STUB(GetRemoteCSRCs, (int channel, unsigned int arrCSRC[15]));
904   WEBRTC_STUB(SetRTCPStatus, (int channel, bool enable));
905   WEBRTC_STUB(GetRTCPStatus, (int channel, bool& enabled));
906   WEBRTC_STUB(SetRTCP_CNAME, (int channel, const char cname[256]));
907   WEBRTC_STUB(GetRTCP_CNAME, (int channel, char cname[256]));
908   WEBRTC_STUB(GetRemoteRTCP_CNAME, (int channel, char* cname));
909   WEBRTC_STUB(GetRemoteRTCPData, (int channel, unsigned int& NTPHigh,
910                                   unsigned int& NTPLow,
911                                   unsigned int& timestamp,
912                                   unsigned int& playoutTimestamp,
913                                   unsigned int* jitter,
914                                   unsigned short* fractionLost));
915   WEBRTC_STUB(GetRemoteRTCPSenderInfo, (int channel,
916                                         webrtc::SenderInfo* sender_info));
917   WEBRTC_FUNC(GetRemoteRTCPReportBlocks,
918               (int channel, std::vector<webrtc::ReportBlock>* receive_blocks)) {
919     WEBRTC_CHECK_CHANNEL(channel);
920     webrtc::ReportBlock block;
921     block.source_SSRC = channels_[channel]->send_ssrc;
922     webrtc::CodecInst send_codec = channels_[channel]->send_codec;
923     if (send_codec.pltype >= 0) {
924       block.fraction_lost = (unsigned char)(kFractionLostStatValue * 256);
925       if (send_codec.plfreq / 1000 > 0) {
926         block.interarrival_jitter = kIntStatValue * (send_codec.plfreq / 1000);
927       }
928       block.cumulative_num_packets_lost = kIntStatValue;
929       block.extended_highest_sequence_number = kIntStatValue;
930       receive_blocks->push_back(block);
931     }
932     return 0;
933   }
934   WEBRTC_STUB(SendApplicationDefinedRTCPPacket, (int channel,
935                                                  unsigned char subType,
936                                                  unsigned int name,
937                                                  const char* data,
938                                                  unsigned short dataLength));
939   WEBRTC_STUB(GetRTPStatistics, (int channel, unsigned int& averageJitterMs,
940                                  unsigned int& maxJitterMs,
941                                  unsigned int& discardedPackets));
942   WEBRTC_FUNC(GetRTCPStatistics, (int channel, webrtc::CallStatistics& stats)) {
943     WEBRTC_CHECK_CHANNEL(channel);
944     stats.fractionLost = static_cast<int16>(kIntStatValue);
945     stats.cumulativeLost = kIntStatValue;
946     stats.extendedMax = kIntStatValue;
947     stats.jitterSamples = kIntStatValue;
948     stats.rttMs = kIntStatValue;
949     stats.bytesSent = kIntStatValue;
950     stats.packetsSent = kIntStatValue;
951     stats.bytesReceived = kIntStatValue;
952     stats.packetsReceived = kIntStatValue;
953     return 0;
954   }
955 #ifdef USE_WEBRTC_DEV_BRANCH
956   WEBRTC_FUNC(SetREDStatus, (int channel, bool enable, int redPayloadtype)) {
957     return SetFECStatus(channel, enable, redPayloadtype);
958   }
959 #endif
960   // TODO(minyue): remove the below function when transition to SetREDStatus
961   //               is finished.
962   WEBRTC_FUNC(SetFECStatus, (int channel, bool enable, int redPayloadtype)) {
963     WEBRTC_CHECK_CHANNEL(channel);
964     channels_[channel]->red = enable;
965     channels_[channel]->red_type = redPayloadtype;
966     return 0;
967   }
968 #ifdef USE_WEBRTC_DEV_BRANCH
969   WEBRTC_FUNC(GetREDStatus, (int channel, bool& enable, int& redPayloadtype)) {
970     return GetFECStatus(channel, enable, redPayloadtype);
971   }
972 #endif
973   // TODO(minyue): remove the below function when transition to GetREDStatus
974   //               is finished.
975   WEBRTC_FUNC(GetFECStatus, (int channel, bool& enable, int& redPayloadtype)) {
976     WEBRTC_CHECK_CHANNEL(channel);
977     enable = channels_[channel]->red;
978     redPayloadtype = channels_[channel]->red_type;
979     return 0;
980   }
981   WEBRTC_FUNC(SetNACKStatus, (int channel, bool enable, int maxNoPackets)) {
982     WEBRTC_CHECK_CHANNEL(channel);
983     channels_[channel]->nack = enable;
984     channels_[channel]->nack_max_packets = maxNoPackets;
985     return 0;
986   }
987   WEBRTC_STUB(StartRTPDump, (int channel, const char* fileNameUTF8,
988                              webrtc::RTPDirections direction));
989   WEBRTC_STUB(StopRTPDump, (int channel, webrtc::RTPDirections direction));
990   WEBRTC_STUB(RTPDumpIsActive, (int channel, webrtc::RTPDirections direction));
991   WEBRTC_STUB(InsertExtraRTPPacket, (int channel, unsigned char payloadType,
992                                      bool markerBit, const char* payloadData,
993                                      unsigned short payloadSize));
994   WEBRTC_STUB(GetLastRemoteTimeStamp, (int channel,
995                                        uint32_t* lastRemoteTimeStamp));
996   WEBRTC_FUNC(SetVideoEngineBWETarget, (int channel,
997                                         webrtc::ViENetwork* vie_network,
998                                         int video_channel)) {
999     WEBRTC_CHECK_CHANNEL(channel);
1000     channels_[channel]->vie_network = vie_network;
1001     channels_[channel]->video_channel = video_channel;
1002     return 0;
1003   }
1004
1005   // webrtc::VoEVideoSync
1006   WEBRTC_STUB(GetPlayoutBufferSize, (int& bufferMs));
1007   WEBRTC_STUB(GetPlayoutTimestamp, (int channel, unsigned int& timestamp));
1008   WEBRTC_STUB(GetRtpRtcp, (int, webrtc::RtpRtcp**, webrtc::RtpReceiver**));
1009   WEBRTC_STUB(SetInitTimestamp, (int channel, unsigned int timestamp));
1010   WEBRTC_STUB(SetInitSequenceNumber, (int channel, short sequenceNumber));
1011   WEBRTC_STUB(SetMinimumPlayoutDelay, (int channel, int delayMs));
1012   WEBRTC_STUB(SetInitialPlayoutDelay, (int channel, int delay_ms));
1013   WEBRTC_STUB(GetDelayEstimate, (int channel, int* jitter_buffer_delay_ms,
1014                                  int* playout_buffer_delay_ms));
1015   WEBRTC_STUB_CONST(GetLeastRequiredDelayMs, (int channel));
1016
1017   // webrtc::VoEVolumeControl
1018   WEBRTC_STUB(SetSpeakerVolume, (unsigned int));
1019   WEBRTC_STUB(GetSpeakerVolume, (unsigned int&));
1020   WEBRTC_STUB(SetSystemOutputMute, (bool));
1021   WEBRTC_STUB(GetSystemOutputMute, (bool&));
1022   WEBRTC_STUB(SetMicVolume, (unsigned int));
1023   WEBRTC_STUB(GetMicVolume, (unsigned int&));
1024   WEBRTC_STUB(SetInputMute, (int, bool));
1025   WEBRTC_STUB(GetInputMute, (int, bool&));
1026   WEBRTC_STUB(SetSystemInputMute, (bool));
1027   WEBRTC_STUB(GetSystemInputMute, (bool&));
1028   WEBRTC_STUB(GetSpeechInputLevel, (unsigned int&));
1029   WEBRTC_STUB(GetSpeechOutputLevel, (int, unsigned int&));
1030   WEBRTC_STUB(GetSpeechInputLevelFullRange, (unsigned int&));
1031   WEBRTC_STUB(GetSpeechOutputLevelFullRange, (int, unsigned int&));
1032   WEBRTC_FUNC(SetChannelOutputVolumeScaling, (int channel, float scale)) {
1033     WEBRTC_CHECK_CHANNEL(channel);
1034     channels_[channel]->volume_scale= scale;
1035     return 0;
1036   }
1037   WEBRTC_FUNC(GetChannelOutputVolumeScaling, (int channel, float& scale)) {
1038     WEBRTC_CHECK_CHANNEL(channel);
1039     scale = channels_[channel]->volume_scale;
1040     return 0;
1041   }
1042   WEBRTC_FUNC(SetOutputVolumePan, (int channel, float left, float right)) {
1043     WEBRTC_CHECK_CHANNEL(channel);
1044     channels_[channel]->volume_pan_left = left;
1045     channels_[channel]->volume_pan_right = right;
1046     return 0;
1047   }
1048   WEBRTC_FUNC(GetOutputVolumePan, (int channel, float& left, float& right)) {
1049     WEBRTC_CHECK_CHANNEL(channel);
1050     left = channels_[channel]->volume_pan_left;
1051     right = channels_[channel]->volume_pan_right;
1052     return 0;
1053   }
1054
1055   // webrtc::VoEAudioProcessing
1056   WEBRTC_FUNC(SetNsStatus, (bool enable, webrtc::NsModes mode)) {
1057     ns_enabled_ = enable;
1058     ns_mode_ = mode;
1059     return 0;
1060   }
1061   WEBRTC_FUNC(GetNsStatus, (bool& enabled, webrtc::NsModes& mode)) {
1062     enabled = ns_enabled_;
1063     mode = ns_mode_;
1064     return 0;
1065   }
1066
1067   WEBRTC_FUNC(SetAgcStatus, (bool enable, webrtc::AgcModes mode)) {
1068     agc_enabled_ = enable;
1069     agc_mode_ = mode;
1070     return 0;
1071   }
1072   WEBRTC_FUNC(GetAgcStatus, (bool& enabled, webrtc::AgcModes& mode)) {
1073     enabled = agc_enabled_;
1074     mode = agc_mode_;
1075     return 0;
1076   }
1077
1078   WEBRTC_FUNC(SetAgcConfig, (webrtc::AgcConfig config)) {
1079     agc_config_ = config;
1080     return 0;
1081   }
1082   WEBRTC_FUNC(GetAgcConfig, (webrtc::AgcConfig& config)) {
1083     config = agc_config_;
1084     return 0;
1085   }
1086   WEBRTC_FUNC(SetEcStatus, (bool enable, webrtc::EcModes mode)) {
1087     ec_enabled_ = enable;
1088     ec_mode_ = mode;
1089     return 0;
1090   }
1091   WEBRTC_FUNC(GetEcStatus, (bool& enabled, webrtc::EcModes& mode)) {
1092     enabled = ec_enabled_;
1093     mode = ec_mode_;
1094     return 0;
1095   }
1096   WEBRTC_STUB(EnableDriftCompensation, (bool enable))
1097   WEBRTC_BOOL_STUB(DriftCompensationEnabled, ())
1098   WEBRTC_VOID_STUB(SetDelayOffsetMs, (int offset))
1099   WEBRTC_STUB(DelayOffsetMs, ());
1100   WEBRTC_FUNC(SetAecmMode, (webrtc::AecmModes mode, bool enableCNG)) {
1101     aecm_mode_ = mode;
1102     cng_enabled_ = enableCNG;
1103     return 0;
1104   }
1105   WEBRTC_FUNC(GetAecmMode, (webrtc::AecmModes& mode, bool& enabledCNG)) {
1106     mode = aecm_mode_;
1107     enabledCNG = cng_enabled_;
1108     return 0;
1109   }
1110   WEBRTC_STUB(SetRxNsStatus, (int channel, bool enable, webrtc::NsModes mode));
1111   WEBRTC_STUB(GetRxNsStatus, (int channel, bool& enabled,
1112                               webrtc::NsModes& mode));
1113   WEBRTC_FUNC(SetRxAgcStatus, (int channel, bool enable,
1114                                webrtc::AgcModes mode)) {
1115     channels_[channel]->rx_agc_enabled = enable;
1116     channels_[channel]->rx_agc_mode = mode;
1117     return 0;
1118   }
1119   WEBRTC_FUNC(GetRxAgcStatus, (int channel, bool& enabled,
1120                                webrtc::AgcModes& mode)) {
1121     enabled = channels_[channel]->rx_agc_enabled;
1122     mode = channels_[channel]->rx_agc_mode;
1123     return 0;
1124   }
1125
1126   WEBRTC_FUNC(SetRxAgcConfig, (int channel, webrtc::AgcConfig config)) {
1127     channels_[channel]->rx_agc_config = config;
1128     return 0;
1129   }
1130   WEBRTC_FUNC(GetRxAgcConfig, (int channel, webrtc::AgcConfig& config)) {
1131     config = channels_[channel]->rx_agc_config;
1132     return 0;
1133   }
1134
1135   WEBRTC_STUB(RegisterRxVadObserver, (int, webrtc::VoERxVadCallback&));
1136   WEBRTC_STUB(DeRegisterRxVadObserver, (int channel));
1137   WEBRTC_STUB(VoiceActivityIndicator, (int channel));
1138   WEBRTC_FUNC(SetEcMetricsStatus, (bool enable)) {
1139     ec_metrics_enabled_ = enable;
1140     return 0;
1141   }
1142   WEBRTC_FUNC(GetEcMetricsStatus, (bool& enabled)) {
1143     enabled = ec_metrics_enabled_;
1144     return 0;
1145   }
1146   WEBRTC_STUB(GetEchoMetrics, (int& ERL, int& ERLE, int& RERL, int& A_NLP));
1147   WEBRTC_STUB(GetEcDelayMetrics, (int& delay_median, int& delay_std));
1148
1149   WEBRTC_STUB(StartDebugRecording, (const char* fileNameUTF8));
1150   WEBRTC_STUB(StartDebugRecording, (FILE* handle));
1151   WEBRTC_STUB(StopDebugRecording, ());
1152
1153   WEBRTC_FUNC(SetTypingDetectionStatus, (bool enable)) {
1154     typing_detection_enabled_ = enable;
1155     return 0;
1156   }
1157   WEBRTC_FUNC(GetTypingDetectionStatus, (bool& enabled)) {
1158     enabled = typing_detection_enabled_;
1159     return 0;
1160   }
1161
1162   WEBRTC_STUB(TimeSinceLastTyping, (int& seconds));
1163   WEBRTC_STUB(SetTypingDetectionParameters, (int timeWindow,
1164                                              int costPerTyping,
1165                                              int reportingThreshold,
1166                                              int penaltyDecay,
1167                                              int typeEventDelay));
1168   int EnableHighPassFilter(bool enable) {
1169     highpass_filter_enabled_ = enable;
1170     return 0;
1171   }
1172   bool IsHighPassFilterEnabled() {
1173     return highpass_filter_enabled_;
1174   }
1175   bool IsStereoChannelSwappingEnabled() {
1176     return stereo_swapping_enabled_;
1177   }
1178   void EnableStereoChannelSwapping(bool enable) {
1179     stereo_swapping_enabled_ = enable;
1180   }
1181   bool WasSendTelephoneEventCalled(int channel, int event_code, int length_ms) {
1182     return (channels_[channel]->dtmf_info.dtmf_event_code == event_code &&
1183             channels_[channel]->dtmf_info.dtmf_out_of_band == true &&
1184             channels_[channel]->dtmf_info.dtmf_length_ms == length_ms);
1185   }
1186   bool WasPlayDtmfToneCalled(int event_code, int length_ms) {
1187     return (dtmf_info_.dtmf_event_code == event_code &&
1188             dtmf_info_.dtmf_length_ms == length_ms);
1189   }
1190   // webrtc::VoEExternalMedia
1191   WEBRTC_FUNC(RegisterExternalMediaProcessing,
1192               (int channel, webrtc::ProcessingTypes type,
1193                webrtc::VoEMediaProcess& processObject)) {
1194     WEBRTC_CHECK_CHANNEL(channel);
1195     if (channels_[channel]->media_processor_registered) {
1196       return -1;
1197     }
1198     channels_[channel]->media_processor_registered = true;
1199     media_processor_ = &processObject;
1200     return 0;
1201   }
1202   WEBRTC_FUNC(DeRegisterExternalMediaProcessing,
1203               (int channel, webrtc::ProcessingTypes type)) {
1204     WEBRTC_CHECK_CHANNEL(channel);
1205     if (!channels_[channel]->media_processor_registered) {
1206       return -1;
1207     }
1208     channels_[channel]->media_processor_registered = false;
1209     media_processor_ = NULL;
1210     return 0;
1211   }
1212   WEBRTC_STUB(SetExternalRecordingStatus, (bool enable));
1213   WEBRTC_STUB(SetExternalPlayoutStatus, (bool enable));
1214   WEBRTC_STUB(ExternalRecordingInsertData,
1215               (const int16_t speechData10ms[], int lengthSamples,
1216                int samplingFreqHz, int current_delay_ms));
1217   WEBRTC_STUB(ExternalPlayoutGetData,
1218               (int16_t speechData10ms[], int samplingFreqHz,
1219                int current_delay_ms, int& lengthSamples));
1220   WEBRTC_STUB(GetAudioFrame, (int channel, int desired_sample_rate_hz,
1221                               webrtc::AudioFrame* frame));
1222   WEBRTC_STUB(SetExternalMixing, (int channel, bool enable));
1223
1224  private:
1225   int GetNumDevices(int& num) {
1226 #ifdef WIN32
1227     num = 1;
1228 #else
1229     // On non-Windows platforms VE adds a special entry for the default device,
1230     // so if there is one physical device then there are two entries in the
1231     // list.
1232     num = 2;
1233 #endif
1234     return 0;
1235   }
1236
1237   int GetDeviceName(int i, char* name, char* guid) {
1238     const char *s;
1239 #ifdef WIN32
1240     if (0 == i) {
1241       s = kFakeDeviceName;
1242     } else {
1243       return -1;
1244     }
1245 #else
1246     // See comment above.
1247     if (0 == i) {
1248       s = kFakeDefaultDeviceName;
1249     } else if (1 == i) {
1250       s = kFakeDeviceName;
1251     } else {
1252       return -1;
1253     }
1254 #endif
1255     strcpy(name, s);
1256     guid[0] = '\0';
1257     return 0;
1258   }
1259
1260   bool inited_;
1261   int last_channel_;
1262   std::map<int, Channel*> channels_;
1263   bool fail_create_channel_;
1264   const cricket::AudioCodec* const* codecs_;
1265   int num_codecs_;
1266   int num_set_send_codecs_;  // how many times we call SetSendCodec().
1267   bool ec_enabled_;
1268   bool ec_metrics_enabled_;
1269   bool cng_enabled_;
1270   bool ns_enabled_;
1271   bool agc_enabled_;
1272   bool highpass_filter_enabled_;
1273   bool stereo_swapping_enabled_;
1274   bool typing_detection_enabled_;
1275   webrtc::EcModes ec_mode_;
1276   webrtc::AecmModes aecm_mode_;
1277   webrtc::NsModes ns_mode_;
1278   webrtc::AgcModes agc_mode_;
1279   webrtc::AgcConfig agc_config_;
1280   webrtc::VoiceEngineObserver* observer_;
1281   int playout_fail_channel_;
1282   int send_fail_channel_;
1283   bool fail_start_recording_microphone_;
1284   bool recording_microphone_;
1285   int recording_sample_rate_;
1286   int playout_sample_rate_;
1287   DtmfInfo dtmf_info_;
1288   webrtc::VoEMediaProcess* media_processor_;
1289 #ifdef USE_WEBRTC_DEV_BRANCH
1290   FakeAudioProcessing audio_processing_;
1291 #endif
1292 };
1293
1294 #undef WEBRTC_CHECK_HEADER_EXTENSION_ID
1295
1296 }  // namespace cricket
1297
1298 #endif  // TALK_SESSION_PHONE_FAKEWEBRTCVOICEENGINE_H_