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| 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 |
| 21 AudioState::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 |
| 28 AudioState::~AudioState() { |
| 29 RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
| 30 voe_base_->DeRegisterVoiceEngineObserver(); |
| 31 } |
| 32 |
| 33 VoiceEngine* AudioState::voice_engine() { |
| 34 RTC_DCHECK(thread_checker_.CalledOnValidThread()); |
| 35 return config_.voice_engine; |
| 36 } |
| 37 |
| 38 bool 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. |
| 45 int AudioState::AddRef() const { |
| 46 return rtc::AtomicOps::Increment(&ref_count_); |
| 47 } |
| 48 |
| 49 // Reference count; implementation copied from rtc::RefCountedObject. |
| 50 int AudioState::Release() const { |
| 51 int count = rtc::AtomicOps::Decrement(&ref_count_); |
| 52 if (!count) { |
| 53 delete this; |
| 54 } |
| 55 return count; |
| 56 } |
| 57 |
| 58 void 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 |
| 75 rtc::scoped_refptr<AudioState> AudioState::Create( |
| 76 const AudioState::Config& config) { |
| 77 return rtc::scoped_refptr<AudioState>(new internal::AudioState(config)); |
| 78 } |
| 79 } // namespace webrtc |
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