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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/copresence/handlers/audio/audio_directive_handler.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "base/memory/scoped_ptr.h" | |
| 10 #include "base/time/default_tick_clock.h" | |
| 11 #include "base/time/time.h" | |
| 12 #include "base/timer/timer.h" | |
| 13 #include "components/copresence/handlers/audio/tick_clock_ref_counted.h" | |
| 14 #include "components/copresence/mediums/audio/audio_manager_impl.h" | |
| 15 #include "components/copresence/proto/data.pb.h" | |
| 16 #include "components/copresence/public/copresence_constants.h" | |
| 17 #include "media/base/audio_bus.h" | |
| 18 | |
| 19 namespace copresence { | |
| 20 | |
| 21 namespace { | |
| 22 | |
| 23 base::TimeTicks GetEarliestEventTime(AudioDirectiveList* list, | |
| 24 base::TimeTicks event_time) { | |
| 25 if (!list->GetActiveDirective()) | |
| 26 return event_time; | |
| 27 | |
| 28 if (event_time.is_null()) | |
| 29 return list->GetActiveDirective()->end_time; | |
| 30 else | |
| 31 return std::min(list->GetActiveDirective()->end_time, event_time); | |
| 32 } | |
| 33 | |
| 34 } // namespace | |
| 35 | |
| 36 // Public methods. | |
| 37 | |
| 38 AudioDirectiveHandler::AudioDirectiveHandler() | |
| 39 : audio_event_timer_(new base::OneShotTimer<AudioDirectiveHandler>), | |
| 40 clock_(new TickClockRefCounted( | |
| 41 make_scoped_ptr(new base::DefaultTickClock))) { | |
| 42 } | |
| 43 | |
| 44 AudioDirectiveHandler::~AudioDirectiveHandler() { | |
| 45 } | |
| 46 | |
| 47 void AudioDirectiveHandler::Initialize( | |
| 48 const AudioManager::DecodeSamplesCallback& decode_cb, | |
| 49 const AudioManager::EncodeTokenCallback& encode_cb) { | |
| 50 if (!audio_manager_) | |
| 51 audio_manager_.reset(new AudioManagerImpl()); | |
| 52 audio_manager_->Initialize(decode_cb, encode_cb); | |
| 53 } | |
| 54 | |
| 55 void AudioDirectiveHandler::AddInstruction(const TokenInstruction& instruction, | |
| 56 const std::string& op_id, | |
| 57 base::TimeDelta ttl) { | |
| 58 switch (instruction.token_instruction_type()) { | |
| 59 case TRANSMIT: | |
| 60 DVLOG(2) << "Audio Transmit Directive received. Token: " | |
| 61 << instruction.token_id() | |
| 62 << " with medium=" << instruction.medium() | |
| 63 << " with TTL=" << ttl.InMilliseconds(); | |
| 64 switch (instruction.medium()) { | |
| 65 case AUDIO_ULTRASOUND_PASSBAND: | |
| 66 transmits_list_[INAUDIBLE].AddDirective(op_id, ttl); | |
| 67 audio_manager_->SetToken(INAUDIBLE, instruction.token_id()); | |
| 68 break; | |
| 69 case AUDIO_AUDIBLE_DTMF: | |
| 70 transmits_list_[AUDIBLE].AddDirective(op_id, ttl); | |
| 71 audio_manager_->SetToken(AUDIBLE, instruction.token_id()); | |
| 72 break; | |
| 73 default: | |
| 74 NOTREACHED(); | |
| 75 } | |
| 76 break; | |
| 77 case RECEIVE: | |
| 78 DVLOG(2) << "Audio Receive Directive received." | |
| 79 << " with medium=" << instruction.medium() | |
| 80 << " with TTL=" << ttl.InMilliseconds(); | |
| 81 switch (instruction.medium()) { | |
| 82 case AUDIO_ULTRASOUND_PASSBAND: | |
| 83 receives_list_[INAUDIBLE].AddDirective(op_id, ttl); | |
| 84 break; | |
| 85 case AUDIO_AUDIBLE_DTMF: | |
| 86 receives_list_[AUDIBLE].AddDirective(op_id, ttl); | |
| 87 break; | |
| 88 default: | |
| 89 NOTREACHED(); | |
| 90 } | |
| 91 break; | |
| 92 case UNKNOWN_TOKEN_INSTRUCTION_TYPE: | |
| 93 default: | |
| 94 LOG(WARNING) << "Unknown Audio Transmit Directive received. type = " | |
| 95 << instruction.token_instruction_type(); | |
| 96 } | |
| 97 ProcessNextInstruction(); | |
| 98 } | |
| 99 | |
| 100 void AudioDirectiveHandler::RemoveInstructions(const std::string& op_id) { | |
| 101 transmits_list_[AUDIBLE].RemoveDirective(op_id); | |
| 102 transmits_list_[INAUDIBLE].RemoveDirective(op_id); | |
| 103 receives_list_[AUDIBLE].RemoveDirective(op_id); | |
| 104 receives_list_[INAUDIBLE].RemoveDirective(op_id); | |
| 105 | |
| 106 ProcessNextInstruction(); | |
| 107 } | |
| 108 | |
| 109 const std::string AudioDirectiveHandler::PlayingToken(AudioType type) const { | |
| 110 return audio_manager_->GetToken(type); | |
| 111 } | |
| 112 | |
| 113 void AudioDirectiveHandler::set_clock_for_testing( | |
| 114 const scoped_refptr<TickClockRefCounted>& clock) { | |
| 115 clock_ = clock; | |
| 116 | |
| 117 transmits_list_[AUDIBLE].set_clock_for_testing(clock); | |
| 118 transmits_list_[INAUDIBLE].set_clock_for_testing(clock); | |
| 119 receives_list_[AUDIBLE].set_clock_for_testing(clock); | |
| 120 receives_list_[INAUDIBLE].set_clock_for_testing(clock); | |
| 121 } | |
| 122 | |
| 123 void AudioDirectiveHandler::set_timer_for_testing( | |
| 124 scoped_ptr<base::Timer> timer) { | |
| 125 audio_event_timer_.swap(timer); | |
| 126 } | |
| 127 | |
| 128 // Private methods. | |
| 129 | |
| 130 void AudioDirectiveHandler::ProcessNextInstruction() { | |
| 131 DCHECK(audio_event_timer_); | |
| 132 audio_event_timer_->Stop(); | |
| 133 | |
| 134 // Change |audio_manager_| state for audible transmits. | |
| 135 if (transmits_list_[AUDIBLE].GetActiveDirective()) | |
| 136 audio_manager_->StartPlaying(AUDIBLE); | |
| 137 else | |
| 138 audio_manager_->StopPlaying(AUDIBLE); | |
| 139 | |
| 140 // Change audio_manager_ state for inaudible transmits. | |
| 141 if (transmits_list_[INAUDIBLE].GetActiveDirective()) | |
| 142 audio_manager_->StartPlaying(INAUDIBLE); | |
| 143 else | |
| 144 audio_manager_->StopPlaying(INAUDIBLE); | |
| 145 | |
| 146 // Change audio_manager_ state for audible receives. | |
| 147 if (receives_list_[AUDIBLE].GetActiveDirective()) | |
| 148 audio_manager_->StartRecording(AUDIBLE); | |
| 149 else | |
| 150 audio_manager_->StopRecording(AUDIBLE); | |
| 151 | |
| 152 // Change audio_manager_ state for inaudible receives. | |
| 153 if (receives_list_[INAUDIBLE].GetActiveDirective()) | |
| 154 audio_manager_->StartRecording(INAUDIBLE); | |
| 155 else | |
| 156 audio_manager_->StopRecording(INAUDIBLE); | |
| 157 | |
| 158 base::TimeTicks next_event_time; | |
| 159 if (GetNextInstructionExpiry(&next_event_time)) { | |
| 160 audio_event_timer_->Start( | |
| 161 FROM_HERE, | |
| 162 next_event_time - clock_->NowTicks(), | |
| 163 base::Bind(&AudioDirectiveHandler::ProcessNextInstruction, | |
| 164 base::Unretained(this))); | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 bool AudioDirectiveHandler::GetNextInstructionExpiry(base::TimeTicks* expiry) { | |
| 169 DCHECK(expiry); | |
| 170 | |
| 171 *expiry = GetEarliestEventTime(&transmits_list_[AUDIBLE], base::TimeTicks()); | |
| 172 *expiry = GetEarliestEventTime(&transmits_list_[INAUDIBLE], *expiry); | |
| 173 *expiry = GetEarliestEventTime(&receives_list_[AUDIBLE], *expiry); | |
| 174 *expiry = GetEarliestEventTime(&receives_list_[INAUDIBLE], *expiry); | |
| 175 | |
| 176 return !expiry->is_null(); | |
| 177 } | |
| 178 | |
| 179 } // namespace copresence | |
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Chromium Code Reviews
Issue 690213004:
Refactoring AudioDirectiveHandler to support testing (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master