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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/webrtc/fakewebrtccommon.h"
38 #include "talk/media/webrtc/webrtcvoe.h"
39 #include "webrtc/base/basictypes.h"
40 #include "webrtc/base/checks.h"
41 #include "webrtc/base/gunit.h"
42 #include "webrtc/base/stringutils.h"
43 #include "webrtc/config.h"
44 #include "webrtc/modules/audio_coding/acm2/rent_a_codec.h"
45 #include "webrtc/modules/audio_processing/include/audio_processing.h"
46 
47 namespace cricket {
48 
49 static const int kOpusBandwidthNb = 4000;
50 static const int kOpusBandwidthMb = 6000;
51 static const int kOpusBandwidthWb = 8000;
52 static const int kOpusBandwidthSwb = 12000;
53 static const int kOpusBandwidthFb = 20000;
54 
55 #define WEBRTC_CHECK_CHANNEL(channel) \
56   if (channels_.find(channel) == channels_.end()) return -1;
57 
58 class FakeAudioProcessing : public webrtc::AudioProcessing {
59  public:
FakeAudioProcessing()60   FakeAudioProcessing() : experimental_ns_enabled_(false) {}
61 
62   WEBRTC_STUB(Initialize, ())
63   WEBRTC_STUB(Initialize, (
64       int input_sample_rate_hz,
65       int output_sample_rate_hz,
66       int reverse_sample_rate_hz,
67       webrtc::AudioProcessing::ChannelLayout input_layout,
68       webrtc::AudioProcessing::ChannelLayout output_layout,
69       webrtc::AudioProcessing::ChannelLayout reverse_layout));
70   WEBRTC_STUB(Initialize, (
71       const webrtc::ProcessingConfig& processing_config));
72 
73   WEBRTC_VOID_FUNC(SetExtraOptions, (const webrtc::Config& config)) {
74     experimental_ns_enabled_ = config.Get<webrtc::ExperimentalNs>().enabled;
75   }
76 
77   WEBRTC_STUB_CONST(input_sample_rate_hz, ());
78   WEBRTC_STUB_CONST(proc_sample_rate_hz, ());
79   WEBRTC_STUB_CONST(proc_split_sample_rate_hz, ());
num_input_channels()80   size_t num_input_channels() const override { return 0; }
num_proc_channels()81   size_t num_proc_channels() const override { return 0; }
num_output_channels()82   size_t num_output_channels() const override { return 0; }
num_reverse_channels()83   size_t num_reverse_channels() const override { return 0; }
84   WEBRTC_VOID_STUB(set_output_will_be_muted, (bool muted));
85   WEBRTC_STUB(ProcessStream, (webrtc::AudioFrame* frame));
86   WEBRTC_STUB(ProcessStream, (
87       const float* const* src,
88       size_t samples_per_channel,
89       int input_sample_rate_hz,
90       webrtc::AudioProcessing::ChannelLayout input_layout,
91       int output_sample_rate_hz,
92       webrtc::AudioProcessing::ChannelLayout output_layout,
93       float* const* dest));
94   WEBRTC_STUB(ProcessStream,
95               (const float* const* src,
96                const webrtc::StreamConfig& input_config,
97                const webrtc::StreamConfig& output_config,
98                float* const* dest));
99   WEBRTC_STUB(AnalyzeReverseStream, (webrtc::AudioFrame* frame));
100   WEBRTC_STUB(ProcessReverseStream, (webrtc::AudioFrame * frame));
101   WEBRTC_STUB(AnalyzeReverseStream, (
102       const float* const* data,
103       size_t samples_per_channel,
104       int sample_rate_hz,
105       webrtc::AudioProcessing::ChannelLayout layout));
106   WEBRTC_STUB(ProcessReverseStream,
107               (const float* const* src,
108                const webrtc::StreamConfig& reverse_input_config,
109                const webrtc::StreamConfig& reverse_output_config,
110                float* const* dest));
111   WEBRTC_STUB(set_stream_delay_ms, (int delay));
112   WEBRTC_STUB_CONST(stream_delay_ms, ());
113   WEBRTC_BOOL_STUB_CONST(was_stream_delay_set, ());
114   WEBRTC_VOID_STUB(set_stream_key_pressed, (bool key_pressed));
115   WEBRTC_VOID_STUB(set_delay_offset_ms, (int offset));
116   WEBRTC_STUB_CONST(delay_offset_ms, ());
117   WEBRTC_STUB(StartDebugRecording, (const char filename[kMaxFilenameSize]));
118   WEBRTC_STUB(StartDebugRecording, (FILE* handle));
119   WEBRTC_STUB(StopDebugRecording, ());
120   WEBRTC_VOID_STUB(UpdateHistogramsOnCallEnd, ());
echo_cancellation()121   webrtc::EchoCancellation* echo_cancellation() const override { return NULL; }
echo_control_mobile()122   webrtc::EchoControlMobile* echo_control_mobile() const override {
123     return NULL;
124   }
gain_control()125   webrtc::GainControl* gain_control() const override { return NULL; }
high_pass_filter()126   webrtc::HighPassFilter* high_pass_filter() const override { return NULL; }
level_estimator()127   webrtc::LevelEstimator* level_estimator() const override { return NULL; }
noise_suppression()128   webrtc::NoiseSuppression* noise_suppression() const override { return NULL; }
voice_detection()129   webrtc::VoiceDetection* voice_detection() const override { return NULL; }
130 
experimental_ns_enabled()131   bool experimental_ns_enabled() {
132     return experimental_ns_enabled_;
133   }
134 
135  private:
136   bool experimental_ns_enabled_;
137 };
138 
139 class FakeWebRtcVoiceEngine
140     : public webrtc::VoEAudioProcessing,
141       public webrtc::VoEBase, public webrtc::VoECodec,
142       public webrtc::VoEHardware,
143       public webrtc::VoENetwork, public webrtc::VoERTP_RTCP,
144       public webrtc::VoEVolumeControl {
145  public:
146   struct Channel {
ChannelChannel147     explicit Channel()
148         : external_transport(false),
149           send(false),
150           playout(false),
151           volume_scale(1.0),
152           vad(false),
153           codec_fec(false),
154           max_encoding_bandwidth(0),
155           opus_dtx(false),
156           red(false),
157           nack(false),
158           cn8_type(13),
159           cn16_type(105),
160           red_type(117),
161           nack_max_packets(0),
162           send_ssrc(0),
163           associate_send_channel(-1),
164           recv_codecs(),
165           neteq_capacity(-1),
166           neteq_fast_accelerate(false) {
167       memset(&send_codec, 0, sizeof(send_codec));
168     }
169     bool external_transport;
170     bool send;
171     bool playout;
172     float volume_scale;
173     bool vad;
174     bool codec_fec;
175     int max_encoding_bandwidth;
176     bool opus_dtx;
177     bool red;
178     bool nack;
179     int cn8_type;
180     int cn16_type;
181     int red_type;
182     int nack_max_packets;
183     uint32_t send_ssrc;
184     int associate_send_channel;
185     std::vector<webrtc::CodecInst> recv_codecs;
186     webrtc::CodecInst send_codec;
187     webrtc::PacketTime last_rtp_packet_time;
188     std::list<std::string> packets;
189     int neteq_capacity;
190     bool neteq_fast_accelerate;
191   };
192 
FakeWebRtcVoiceEngine()193   FakeWebRtcVoiceEngine()
194       : inited_(false),
195         last_channel_(-1),
196         fail_create_channel_(false),
197         num_set_send_codecs_(0),
198         ec_enabled_(false),
199         ec_metrics_enabled_(false),
200         cng_enabled_(false),
201         ns_enabled_(false),
202         agc_enabled_(false),
203         highpass_filter_enabled_(false),
204         stereo_swapping_enabled_(false),
205         typing_detection_enabled_(false),
206         ec_mode_(webrtc::kEcDefault),
207         aecm_mode_(webrtc::kAecmSpeakerphone),
208         ns_mode_(webrtc::kNsDefault),
209         agc_mode_(webrtc::kAgcDefault),
210         observer_(NULL),
211         playout_fail_channel_(-1),
212         send_fail_channel_(-1),
213         recording_sample_rate_(-1),
214         playout_sample_rate_(-1) {
215     memset(&agc_config_, 0, sizeof(agc_config_));
216   }
~FakeWebRtcVoiceEngine()217   ~FakeWebRtcVoiceEngine() {
218     RTC_CHECK(channels_.empty());
219   }
220 
ec_metrics_enabled()221   bool ec_metrics_enabled() const { return ec_metrics_enabled_; }
222 
IsInited()223   bool IsInited() const { return inited_; }
GetLastChannel()224   int GetLastChannel() const { return last_channel_; }
GetNumChannels()225   int GetNumChannels() const { return static_cast<int>(channels_.size()); }
GetLocalSSRC(int channel)226   uint32_t GetLocalSSRC(int channel) {
227     return channels_[channel]->send_ssrc;
228   }
GetPlayout(int channel)229   bool GetPlayout(int channel) {
230     return channels_[channel]->playout;
231   }
GetSend(int channel)232   bool GetSend(int channel) {
233     return channels_[channel]->send;
234   }
GetVAD(int channel)235   bool GetVAD(int channel) {
236     return channels_[channel]->vad;
237   }
GetOpusDtx(int channel)238   bool GetOpusDtx(int channel) {
239     return channels_[channel]->opus_dtx;
240   }
GetRED(int channel)241   bool GetRED(int channel) {
242     return channels_[channel]->red;
243   }
GetCodecFEC(int channel)244   bool GetCodecFEC(int channel) {
245     return channels_[channel]->codec_fec;
246   }
GetMaxEncodingBandwidth(int channel)247   int GetMaxEncodingBandwidth(int channel) {
248     return channels_[channel]->max_encoding_bandwidth;
249   }
GetNACK(int channel)250   bool GetNACK(int channel) {
251     return channels_[channel]->nack;
252   }
GetNACKMaxPackets(int channel)253   int GetNACKMaxPackets(int channel) {
254     return channels_[channel]->nack_max_packets;
255   }
GetLastRtpPacketTime(int channel)256   const webrtc::PacketTime& GetLastRtpPacketTime(int channel) {
257     RTC_DCHECK(channels_.find(channel) != channels_.end());
258     return channels_[channel]->last_rtp_packet_time;
259   }
GetSendCNPayloadType(int channel,bool wideband)260   int GetSendCNPayloadType(int channel, bool wideband) {
261     return (wideband) ?
262         channels_[channel]->cn16_type :
263         channels_[channel]->cn8_type;
264   }
GetSendREDPayloadType(int channel)265   int GetSendREDPayloadType(int channel) {
266     return channels_[channel]->red_type;
267   }
CheckPacket(int channel,const void * data,size_t len)268   bool CheckPacket(int channel, const void* data, size_t len) {
269     bool result = !CheckNoPacket(channel);
270     if (result) {
271       std::string packet = channels_[channel]->packets.front();
272       result = (packet == std::string(static_cast<const char*>(data), len));
273       channels_[channel]->packets.pop_front();
274     }
275     return result;
276   }
CheckNoPacket(int channel)277   bool CheckNoPacket(int channel) {
278     return channels_[channel]->packets.empty();
279   }
TriggerCallbackOnError(int channel_num,int err_code)280   void TriggerCallbackOnError(int channel_num, int err_code) {
281     RTC_DCHECK(observer_ != NULL);
282     observer_->CallbackOnError(channel_num, err_code);
283   }
set_playout_fail_channel(int channel)284   void set_playout_fail_channel(int channel) {
285     playout_fail_channel_ = channel;
286   }
set_send_fail_channel(int channel)287   void set_send_fail_channel(int channel) {
288     send_fail_channel_ = channel;
289   }
set_fail_create_channel(bool fail_create_channel)290   void set_fail_create_channel(bool fail_create_channel) {
291     fail_create_channel_ = fail_create_channel;
292   }
AddChannel(const webrtc::Config & config)293   int AddChannel(const webrtc::Config& config) {
294     if (fail_create_channel_) {
295       return -1;
296     }
297     Channel* ch = new Channel();
298     auto db = webrtc::acm2::RentACodec::Database();
299     ch->recv_codecs.assign(db.begin(), db.end());
300     if (config.Get<webrtc::NetEqCapacityConfig>().enabled) {
301       ch->neteq_capacity = config.Get<webrtc::NetEqCapacityConfig>().capacity;
302     }
303     ch->neteq_fast_accelerate =
304         config.Get<webrtc::NetEqFastAccelerate>().enabled;
305     channels_[++last_channel_] = ch;
306     return last_channel_;
307   }
308 
GetNumSetSendCodecs()309   int GetNumSetSendCodecs() const { return num_set_send_codecs_; }
310 
GetAssociateSendChannel(int channel)311   int GetAssociateSendChannel(int channel) {
312     return channels_[channel]->associate_send_channel;
313   }
314 
315   WEBRTC_STUB(Release, ());
316 
317   // webrtc::VoEBase
318   WEBRTC_FUNC(RegisterVoiceEngineObserver, (
319       webrtc::VoiceEngineObserver& observer)) {
320     observer_ = &observer;
321     return 0;
322   }
323   WEBRTC_STUB(DeRegisterVoiceEngineObserver, ());
324   WEBRTC_FUNC(Init, (webrtc::AudioDeviceModule* adm,
325                      webrtc::AudioProcessing* audioproc)) {
326     inited_ = true;
327     return 0;
328   }
329   WEBRTC_FUNC(Terminate, ()) {
330     inited_ = false;
331     return 0;
332   }
audio_processing()333   webrtc::AudioProcessing* audio_processing() override {
334     return &audio_processing_;
335   }
336   WEBRTC_FUNC(CreateChannel, ()) {
337     webrtc::Config empty_config;
338     return AddChannel(empty_config);
339   }
340   WEBRTC_FUNC(CreateChannel, (const webrtc::Config& config)) {
341     return AddChannel(config);
342   }
343   WEBRTC_FUNC(DeleteChannel, (int channel)) {
344     WEBRTC_CHECK_CHANNEL(channel);
345     for (const auto& ch : channels_) {
346       if (ch.second->associate_send_channel == channel) {
347         ch.second->associate_send_channel = -1;
348       }
349     }
350     delete channels_[channel];
351     channels_.erase(channel);
352     return 0;
353   }
354   WEBRTC_STUB(StartReceive, (int channel));
355   WEBRTC_FUNC(StartPlayout, (int channel)) {
356     if (playout_fail_channel_ != channel) {
357       WEBRTC_CHECK_CHANNEL(channel);
358       channels_[channel]->playout = true;
359       return 0;
360     } else {
361       // When playout_fail_channel_ == channel, fail the StartPlayout on this
362       // channel.
363       return -1;
364     }
365   }
366   WEBRTC_FUNC(StartSend, (int channel)) {
367     if (send_fail_channel_ != channel) {
368       WEBRTC_CHECK_CHANNEL(channel);
369       channels_[channel]->send = true;
370       return 0;
371     } else {
372       // When send_fail_channel_ == channel, fail the StartSend on this
373       // channel.
374       return -1;
375     }
376   }
377   WEBRTC_STUB(StopReceive, (int channel));
378   WEBRTC_FUNC(StopPlayout, (int channel)) {
379     WEBRTC_CHECK_CHANNEL(channel);
380     channels_[channel]->playout = false;
381     return 0;
382   }
383   WEBRTC_FUNC(StopSend, (int channel)) {
384     WEBRTC_CHECK_CHANNEL(channel);
385     channels_[channel]->send = false;
386     return 0;
387   }
388   WEBRTC_STUB(GetVersion, (char version[1024]));
389   WEBRTC_STUB(LastError, ());
390   WEBRTC_FUNC(AssociateSendChannel, (int channel,
391                                      int accociate_send_channel)) {
392     WEBRTC_CHECK_CHANNEL(channel);
393     channels_[channel]->associate_send_channel = accociate_send_channel;
394     return 0;
395   }
GetEventLog()396   webrtc::RtcEventLog* GetEventLog() { return nullptr; }
397 
398   // webrtc::VoECodec
399   WEBRTC_STUB(NumOfCodecs, ());
400   WEBRTC_STUB(GetCodec, (int index, webrtc::CodecInst& codec));
401   WEBRTC_FUNC(SetSendCodec, (int channel, const webrtc::CodecInst& codec)) {
402     WEBRTC_CHECK_CHANNEL(channel);
403     // To match the behavior of the real implementation.
404     if (_stricmp(codec.plname, "telephone-event") == 0 ||
405         _stricmp(codec.plname, "audio/telephone-event") == 0 ||
406         _stricmp(codec.plname, "CN") == 0 ||
407         _stricmp(codec.plname, "red") == 0 ) {
408       return -1;
409     }
410     channels_[channel]->send_codec = codec;
411     ++num_set_send_codecs_;
412     return 0;
413   }
414   WEBRTC_FUNC(GetSendCodec, (int channel, webrtc::CodecInst& codec)) {
415     WEBRTC_CHECK_CHANNEL(channel);
416     codec = channels_[channel]->send_codec;
417     return 0;
418   }
419   WEBRTC_STUB(SetBitRate, (int channel, int bitrate_bps));
420   WEBRTC_STUB(GetRecCodec, (int channel, webrtc::CodecInst& codec));
421   WEBRTC_FUNC(SetRecPayloadType, (int channel,
422                                   const webrtc::CodecInst& codec)) {
423     WEBRTC_CHECK_CHANNEL(channel);
424     Channel* ch = channels_[channel];
425     if (ch->playout)
426       return -1;  // Channel is in use.
427     // Check if something else already has this slot.
428     if (codec.pltype != -1) {
429       for (std::vector<webrtc::CodecInst>::iterator it =
430           ch->recv_codecs.begin(); it != ch->recv_codecs.end(); ++it) {
431         if (it->pltype == codec.pltype &&
432             _stricmp(it->plname, codec.plname) != 0) {
433           return -1;
434         }
435       }
436     }
437     // Otherwise try to find this codec and update its payload type.
438     int result = -1;  // not found
439     for (std::vector<webrtc::CodecInst>::iterator it = ch->recv_codecs.begin();
440          it != ch->recv_codecs.end(); ++it) {
441       if (strcmp(it->plname, codec.plname) == 0 &&
442           it->plfreq == codec.plfreq &&
443           it->channels == codec.channels) {
444         it->pltype = codec.pltype;
445         result = 0;
446       }
447     }
448     return result;
449   }
450   WEBRTC_FUNC(SetSendCNPayloadType, (int channel, int type,
451                                      webrtc::PayloadFrequencies frequency)) {
452     WEBRTC_CHECK_CHANNEL(channel);
453     if (frequency == webrtc::kFreq8000Hz) {
454       channels_[channel]->cn8_type = type;
455     } else if (frequency == webrtc::kFreq16000Hz) {
456       channels_[channel]->cn16_type = type;
457     }
458     return 0;
459   }
460   WEBRTC_FUNC(GetRecPayloadType, (int channel, webrtc::CodecInst& codec)) {
461     WEBRTC_CHECK_CHANNEL(channel);
462     Channel* ch = channels_[channel];
463     for (std::vector<webrtc::CodecInst>::iterator it = ch->recv_codecs.begin();
464          it != ch->recv_codecs.end(); ++it) {
465       if (strcmp(it->plname, codec.plname) == 0 &&
466           it->plfreq == codec.plfreq &&
467           it->channels == codec.channels &&
468           it->pltype != -1) {
469         codec.pltype = it->pltype;
470         return 0;
471       }
472     }
473     return -1;  // not found
474   }
475   WEBRTC_FUNC(SetVADStatus, (int channel, bool enable, webrtc::VadModes mode,
476                              bool disableDTX)) {
477     WEBRTC_CHECK_CHANNEL(channel);
478     if (channels_[channel]->send_codec.channels == 2) {
479       // Replicating VoE behavior; VAD cannot be enabled for stereo.
480       return -1;
481     }
482     channels_[channel]->vad = enable;
483     return 0;
484   }
485   WEBRTC_STUB(GetVADStatus, (int channel, bool& enabled,
486                              webrtc::VadModes& mode, bool& disabledDTX));
487 
488   WEBRTC_FUNC(SetFECStatus, (int channel, bool enable)) {
489     WEBRTC_CHECK_CHANNEL(channel);
490     if (_stricmp(channels_[channel]->send_codec.plname, "opus") != 0) {
491       // Return -1 if current send codec is not Opus.
492       // TODO(minyue): Excludes other codecs if they support inband FEC.
493       return -1;
494     }
495     channels_[channel]->codec_fec = enable;
496     return 0;
497   }
498   WEBRTC_FUNC(GetFECStatus, (int channel, bool& enable)) {
499     WEBRTC_CHECK_CHANNEL(channel);
500     enable = channels_[channel]->codec_fec;
501     return 0;
502   }
503 
504   WEBRTC_FUNC(SetOpusMaxPlaybackRate, (int channel, int frequency_hz)) {
505     WEBRTC_CHECK_CHANNEL(channel);
506     if (_stricmp(channels_[channel]->send_codec.plname, "opus") != 0) {
507       // Return -1 if current send codec is not Opus.
508       return -1;
509     }
510     if (frequency_hz <= 8000)
511       channels_[channel]->max_encoding_bandwidth = kOpusBandwidthNb;
512     else if (frequency_hz <= 12000)
513       channels_[channel]->max_encoding_bandwidth = kOpusBandwidthMb;
514     else if (frequency_hz <= 16000)
515       channels_[channel]->max_encoding_bandwidth = kOpusBandwidthWb;
516     else if (frequency_hz <= 24000)
517       channels_[channel]->max_encoding_bandwidth = kOpusBandwidthSwb;
518     else
519       channels_[channel]->max_encoding_bandwidth = kOpusBandwidthFb;
520     return 0;
521   }
522 
523   WEBRTC_FUNC(SetOpusDtx, (int channel, bool enable_dtx)) {
524     WEBRTC_CHECK_CHANNEL(channel);
525     if (_stricmp(channels_[channel]->send_codec.plname, "opus") != 0) {
526       // Return -1 if current send codec is not Opus.
527       return -1;
528     }
529     channels_[channel]->opus_dtx = enable_dtx;
530     return 0;
531   }
532 
533   // webrtc::VoEHardware
534   WEBRTC_STUB(GetNumOfRecordingDevices, (int& num));
535   WEBRTC_STUB(GetNumOfPlayoutDevices, (int& num));
536   WEBRTC_STUB(GetRecordingDeviceName, (int i, char* name, char* guid));
537   WEBRTC_STUB(GetPlayoutDeviceName, (int i, char* name, char* guid));
538   WEBRTC_STUB(SetRecordingDevice, (int, webrtc::StereoChannel));
539   WEBRTC_STUB(SetPlayoutDevice, (int));
540   WEBRTC_STUB(SetAudioDeviceLayer, (webrtc::AudioLayers));
541   WEBRTC_STUB(GetAudioDeviceLayer, (webrtc::AudioLayers&));
542   WEBRTC_FUNC(SetRecordingSampleRate, (unsigned int samples_per_sec)) {
543     recording_sample_rate_ = samples_per_sec;
544     return 0;
545   }
546   WEBRTC_FUNC_CONST(RecordingSampleRate, (unsigned int* samples_per_sec)) {
547     *samples_per_sec = recording_sample_rate_;
548     return 0;
549   }
550   WEBRTC_FUNC(SetPlayoutSampleRate, (unsigned int samples_per_sec)) {
551     playout_sample_rate_ = samples_per_sec;
552     return 0;
553   }
554   WEBRTC_FUNC_CONST(PlayoutSampleRate, (unsigned int* samples_per_sec)) {
555     *samples_per_sec = playout_sample_rate_;
556     return 0;
557   }
558   WEBRTC_STUB(EnableBuiltInAEC, (bool enable));
BuiltInAECIsAvailable()559   virtual bool BuiltInAECIsAvailable() const { return false; }
560   WEBRTC_STUB(EnableBuiltInAGC, (bool enable));
BuiltInAGCIsAvailable()561   virtual bool BuiltInAGCIsAvailable() const { return false; }
562   WEBRTC_STUB(EnableBuiltInNS, (bool enable));
BuiltInNSIsAvailable()563   virtual bool BuiltInNSIsAvailable() const { return false; }
564 
565   // webrtc::VoENetwork
566   WEBRTC_FUNC(RegisterExternalTransport, (int channel,
567                                           webrtc::Transport& transport)) {
568     WEBRTC_CHECK_CHANNEL(channel);
569     channels_[channel]->external_transport = true;
570     return 0;
571   }
572   WEBRTC_FUNC(DeRegisterExternalTransport, (int channel)) {
573     WEBRTC_CHECK_CHANNEL(channel);
574     channels_[channel]->external_transport = false;
575     return 0;
576   }
577   WEBRTC_FUNC(ReceivedRTPPacket, (int channel, const void* data,
578                                   size_t length)) {
579     WEBRTC_CHECK_CHANNEL(channel);
580     if (!channels_[channel]->external_transport) return -1;
581     channels_[channel]->packets.push_back(
582         std::string(static_cast<const char*>(data), length));
583     return 0;
584   }
585   WEBRTC_FUNC(ReceivedRTPPacket, (int channel, const void* data,
586                                   size_t length,
587                                   const webrtc::PacketTime& packet_time)) {
588     WEBRTC_CHECK_CHANNEL(channel);
589     if (ReceivedRTPPacket(channel, data, length) == -1) {
590       return -1;
591     }
592     channels_[channel]->last_rtp_packet_time = packet_time;
593     return 0;
594   }
595 
596   WEBRTC_STUB(ReceivedRTCPPacket, (int channel, const void* data,
597                                    size_t length));
598 
599   // webrtc::VoERTP_RTCP
600   WEBRTC_FUNC(SetLocalSSRC, (int channel, unsigned int ssrc)) {
601     WEBRTC_CHECK_CHANNEL(channel);
602     channels_[channel]->send_ssrc = ssrc;
603     return 0;
604   }
605   WEBRTC_STUB(GetLocalSSRC, (int channel, unsigned int& ssrc));
606   WEBRTC_STUB(GetRemoteSSRC, (int channel, unsigned int& ssrc));
607   WEBRTC_STUB(SetSendAudioLevelIndicationStatus, (int channel, bool enable,
608       unsigned char id));
609   WEBRTC_STUB(SetReceiveAudioLevelIndicationStatus, (int channel, bool enable,
610       unsigned char id));
611   WEBRTC_STUB(SetSendAbsoluteSenderTimeStatus, (int channel, bool enable,
612       unsigned char id));
613   WEBRTC_STUB(SetReceiveAbsoluteSenderTimeStatus, (int channel, bool enable,
614       unsigned char id));
615   WEBRTC_STUB(SetRTCPStatus, (int channel, bool enable));
616   WEBRTC_STUB(GetRTCPStatus, (int channel, bool& enabled));
617   WEBRTC_STUB(SetRTCP_CNAME, (int channel, const char cname[256]));
618   WEBRTC_STUB(GetRTCP_CNAME, (int channel, char cname[256]));
619   WEBRTC_STUB(GetRemoteRTCP_CNAME, (int channel, char* cname));
620   WEBRTC_STUB(GetRemoteRTCPData, (int channel, unsigned int& NTPHigh,
621                                   unsigned int& NTPLow,
622                                   unsigned int& timestamp,
623                                   unsigned int& playoutTimestamp,
624                                   unsigned int* jitter,
625                                   unsigned short* fractionLost));
626   WEBRTC_STUB(GetRemoteRTCPReportBlocks,
627               (int channel, std::vector<webrtc::ReportBlock>* receive_blocks));
628   WEBRTC_STUB(GetRTPStatistics, (int channel, unsigned int& averageJitterMs,
629                                  unsigned int& maxJitterMs,
630                                  unsigned int& discardedPackets));
631   WEBRTC_STUB(GetRTCPStatistics, (int channel, webrtc::CallStatistics& stats));
632   WEBRTC_FUNC(SetREDStatus, (int channel, bool enable, int redPayloadtype)) {
633     WEBRTC_CHECK_CHANNEL(channel);
634     channels_[channel]->red = enable;
635     channels_[channel]->red_type = redPayloadtype;
636     return 0;
637   }
638   WEBRTC_FUNC(GetREDStatus, (int channel, bool& enable, int& redPayloadtype)) {
639     WEBRTC_CHECK_CHANNEL(channel);
640     enable = channels_[channel]->red;
641     redPayloadtype = channels_[channel]->red_type;
642     return 0;
643   }
644   WEBRTC_FUNC(SetNACKStatus, (int channel, bool enable, int maxNoPackets)) {
645     WEBRTC_CHECK_CHANNEL(channel);
646     channels_[channel]->nack = enable;
647     channels_[channel]->nack_max_packets = maxNoPackets;
648     return 0;
649   }
650 
651   // webrtc::VoEVolumeControl
652   WEBRTC_STUB(SetSpeakerVolume, (unsigned int));
653   WEBRTC_STUB(GetSpeakerVolume, (unsigned int&));
654   WEBRTC_STUB(SetMicVolume, (unsigned int));
655   WEBRTC_STUB(GetMicVolume, (unsigned int&));
656   WEBRTC_STUB(SetInputMute, (int, bool));
657   WEBRTC_STUB(GetInputMute, (int, bool&));
658   WEBRTC_STUB(GetSpeechInputLevel, (unsigned int&));
659   WEBRTC_STUB(GetSpeechOutputLevel, (int, unsigned int&));
660   WEBRTC_STUB(GetSpeechInputLevelFullRange, (unsigned int&));
661   WEBRTC_STUB(GetSpeechOutputLevelFullRange, (int, unsigned int&));
662   WEBRTC_FUNC(SetChannelOutputVolumeScaling, (int channel, float scale)) {
663     WEBRTC_CHECK_CHANNEL(channel);
664     channels_[channel]->volume_scale= scale;
665     return 0;
666   }
667   WEBRTC_FUNC(GetChannelOutputVolumeScaling, (int channel, float& scale)) {
668     WEBRTC_CHECK_CHANNEL(channel);
669     scale = channels_[channel]->volume_scale;
670     return 0;
671   }
672   WEBRTC_STUB(SetOutputVolumePan, (int channel, float left, float right));
673   WEBRTC_STUB(GetOutputVolumePan, (int channel, float& left, float& right));
674 
675   // webrtc::VoEAudioProcessing
676   WEBRTC_FUNC(SetNsStatus, (bool enable, webrtc::NsModes mode)) {
677     ns_enabled_ = enable;
678     ns_mode_ = mode;
679     return 0;
680   }
681   WEBRTC_FUNC(GetNsStatus, (bool& enabled, webrtc::NsModes& mode)) {
682     enabled = ns_enabled_;
683     mode = ns_mode_;
684     return 0;
685   }
686 
687   WEBRTC_FUNC(SetAgcStatus, (bool enable, webrtc::AgcModes mode)) {
688     agc_enabled_ = enable;
689     agc_mode_ = mode;
690     return 0;
691   }
692   WEBRTC_FUNC(GetAgcStatus, (bool& enabled, webrtc::AgcModes& mode)) {
693     enabled = agc_enabled_;
694     mode = agc_mode_;
695     return 0;
696   }
697 
698   WEBRTC_FUNC(SetAgcConfig, (webrtc::AgcConfig config)) {
699     agc_config_ = config;
700     return 0;
701   }
702   WEBRTC_FUNC(GetAgcConfig, (webrtc::AgcConfig& config)) {
703     config = agc_config_;
704     return 0;
705   }
706   WEBRTC_FUNC(SetEcStatus, (bool enable, webrtc::EcModes mode)) {
707     ec_enabled_ = enable;
708     ec_mode_ = mode;
709     return 0;
710   }
711   WEBRTC_FUNC(GetEcStatus, (bool& enabled, webrtc::EcModes& mode)) {
712     enabled = ec_enabled_;
713     mode = ec_mode_;
714     return 0;
715   }
716   WEBRTC_STUB(EnableDriftCompensation, (bool enable))
717   WEBRTC_BOOL_STUB(DriftCompensationEnabled, ())
718   WEBRTC_VOID_STUB(SetDelayOffsetMs, (int offset))
719   WEBRTC_STUB(DelayOffsetMs, ());
720   WEBRTC_FUNC(SetAecmMode, (webrtc::AecmModes mode, bool enableCNG)) {
721     aecm_mode_ = mode;
722     cng_enabled_ = enableCNG;
723     return 0;
724   }
725   WEBRTC_FUNC(GetAecmMode, (webrtc::AecmModes& mode, bool& enabledCNG)) {
726     mode = aecm_mode_;
727     enabledCNG = cng_enabled_;
728     return 0;
729   }
730   WEBRTC_STUB(SetRxNsStatus, (int channel, bool enable, webrtc::NsModes mode));
731   WEBRTC_STUB(GetRxNsStatus, (int channel, bool& enabled,
732                               webrtc::NsModes& mode));
733   WEBRTC_STUB(SetRxAgcStatus, (int channel, bool enable,
734                                webrtc::AgcModes mode));
735   WEBRTC_STUB(GetRxAgcStatus, (int channel, bool& enabled,
736                                webrtc::AgcModes& mode));
737   WEBRTC_STUB(SetRxAgcConfig, (int channel, webrtc::AgcConfig config));
738   WEBRTC_STUB(GetRxAgcConfig, (int channel, webrtc::AgcConfig& config));
739 
740   WEBRTC_STUB(RegisterRxVadObserver, (int, webrtc::VoERxVadCallback&));
741   WEBRTC_STUB(DeRegisterRxVadObserver, (int channel));
742   WEBRTC_STUB(VoiceActivityIndicator, (int channel));
743   WEBRTC_FUNC(SetEcMetricsStatus, (bool enable)) {
744     ec_metrics_enabled_ = enable;
745     return 0;
746   }
747   WEBRTC_STUB(GetEcMetricsStatus, (bool& enabled));
748   WEBRTC_STUB(GetEchoMetrics, (int& ERL, int& ERLE, int& RERL, int& A_NLP));
749   WEBRTC_STUB(GetEcDelayMetrics, (int& delay_median, int& delay_std,
750       float& fraction_poor_delays));
751 
752   WEBRTC_STUB(StartDebugRecording, (const char* fileNameUTF8));
753   WEBRTC_STUB(StartDebugRecording, (FILE* handle));
754   WEBRTC_STUB(StopDebugRecording, ());
755 
756   WEBRTC_FUNC(SetTypingDetectionStatus, (bool enable)) {
757     typing_detection_enabled_ = enable;
758     return 0;
759   }
760   WEBRTC_FUNC(GetTypingDetectionStatus, (bool& enabled)) {
761     enabled = typing_detection_enabled_;
762     return 0;
763   }
764 
765   WEBRTC_STUB(TimeSinceLastTyping, (int& seconds));
766   WEBRTC_STUB(SetTypingDetectionParameters, (int timeWindow,
767                                              int costPerTyping,
768                                              int reportingThreshold,
769                                              int penaltyDecay,
770                                              int typeEventDelay));
EnableHighPassFilter(bool enable)771   int EnableHighPassFilter(bool enable) {
772     highpass_filter_enabled_ = enable;
773     return 0;
774   }
IsHighPassFilterEnabled()775   bool IsHighPassFilterEnabled() {
776     return highpass_filter_enabled_;
777   }
IsStereoChannelSwappingEnabled()778   bool IsStereoChannelSwappingEnabled() {
779     return stereo_swapping_enabled_;
780   }
EnableStereoChannelSwapping(bool enable)781   void EnableStereoChannelSwapping(bool enable) {
782     stereo_swapping_enabled_ = enable;
783   }
GetNetEqCapacity()784   int GetNetEqCapacity() const {
785     auto ch = channels_.find(last_channel_);
786     ASSERT(ch != channels_.end());
787     return ch->second->neteq_capacity;
788   }
GetNetEqFastAccelerate()789   bool GetNetEqFastAccelerate() const {
790     auto ch = channels_.find(last_channel_);
791     ASSERT(ch != channels_.end());
792     return ch->second->neteq_fast_accelerate;
793   }
794 
795  private:
796   bool inited_;
797   int last_channel_;
798   std::map<int, Channel*> channels_;
799   bool fail_create_channel_;
800   int num_set_send_codecs_;  // how many times we call SetSendCodec().
801   bool ec_enabled_;
802   bool ec_metrics_enabled_;
803   bool cng_enabled_;
804   bool ns_enabled_;
805   bool agc_enabled_;
806   bool highpass_filter_enabled_;
807   bool stereo_swapping_enabled_;
808   bool typing_detection_enabled_;
809   webrtc::EcModes ec_mode_;
810   webrtc::AecmModes aecm_mode_;
811   webrtc::NsModes ns_mode_;
812   webrtc::AgcModes agc_mode_;
813   webrtc::AgcConfig agc_config_;
814   webrtc::VoiceEngineObserver* observer_;
815   int playout_fail_channel_;
816   int send_fail_channel_;
817   int recording_sample_rate_;
818   int playout_sample_rate_;
819   FakeAudioProcessing audio_processing_;
820 };
821 
822 }  // namespace cricket
823 
824 #endif  // TALK_SESSION_PHONE_FAKEWEBRTCVOICEENGINE_H_
825