1 /* 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "webrtc/audio/audio_state.h" 12 13 #include "webrtc/base/atomicops.h" 14 #include "webrtc/base/checks.h" 15 #include "webrtc/base/logging.h" 16 #include "webrtc/voice_engine/include/voe_errors.h" 17 18 namespace webrtc { 19 namespace internal { 20 AudioState(const AudioState::Config & config)21AudioState::AudioState(const AudioState::Config& config) 22 : config_(config), voe_base_(config.voice_engine) { 23 process_thread_checker_.DetachFromThread(); 24 // Only one AudioState should be created per VoiceEngine. 25 RTC_CHECK(voe_base_->RegisterVoiceEngineObserver(*this) != -1); 26 } 27 ~AudioState()28AudioState::~AudioState() { 29 RTC_DCHECK(thread_checker_.CalledOnValidThread()); 30 voe_base_->DeRegisterVoiceEngineObserver(); 31 } 32 voice_engine()33VoiceEngine* AudioState::voice_engine() { 34 RTC_DCHECK(thread_checker_.CalledOnValidThread()); 35 return config_.voice_engine; 36 } 37 typing_noise_detected() const38bool AudioState::typing_noise_detected() const { 39 RTC_DCHECK(thread_checker_.CalledOnValidThread()); 40 rtc::CritScope lock(&crit_sect_); 41 return typing_noise_detected_; 42 } 43 44 // Reference count; implementation copied from rtc::RefCountedObject. AddRef() const45int AudioState::AddRef() const { 46 return rtc::AtomicOps::Increment(&ref_count_); 47 } 48 49 // Reference count; implementation copied from rtc::RefCountedObject. Release() const50int AudioState::Release() const { 51 int count = rtc::AtomicOps::Decrement(&ref_count_); 52 if (!count) { 53 delete this; 54 } 55 return count; 56 } 57 CallbackOnError(int channel_id,int err_code)58void AudioState::CallbackOnError(int channel_id, int err_code) { 59 RTC_DCHECK(process_thread_checker_.CalledOnValidThread()); 60 61 // All call sites in VoE, as of this writing, specify -1 as channel_id. 62 RTC_DCHECK(channel_id == -1); 63 LOG(LS_INFO) << "VoiceEngine error " << err_code << " reported on channel " 64 << channel_id << "."; 65 if (err_code == VE_TYPING_NOISE_WARNING) { 66 rtc::CritScope lock(&crit_sect_); 67 typing_noise_detected_ = true; 68 } else if (err_code == VE_TYPING_NOISE_OFF_WARNING) { 69 rtc::CritScope lock(&crit_sect_); 70 typing_noise_detected_ = false; 71 } 72 } 73 } // namespace internal 74 Create(const AudioState::Config & config)75rtc::scoped_refptr<AudioState> AudioState::Create( 76 const AudioState::Config& config) { 77 return rtc::scoped_refptr<AudioState>(new internal::AudioState(config)); 78 } 79 } // namespace webrtc 80