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Diffstat (limited to 'webrtc/audio/audio_state.h')
-rw-r--r-- | webrtc/audio/audio_state.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/webrtc/audio/audio_state.h b/webrtc/audio/audio_state.h new file mode 100644 index 0000000000..2cb83e4989 --- /dev/null +++ b/webrtc/audio/audio_state.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef WEBRTC_AUDIO_AUDIO_STATE_H_ +#define WEBRTC_AUDIO_AUDIO_STATE_H_ + +#include "webrtc/audio_state.h" +#include "webrtc/audio/scoped_voe_interface.h" +#include "webrtc/base/constructormagic.h" +#include "webrtc/base/criticalsection.h" +#include "webrtc/base/thread_checker.h" +#include "webrtc/voice_engine/include/voe_base.h" + +namespace webrtc { +namespace internal { + +class AudioState final : public webrtc::AudioState, + public webrtc::VoiceEngineObserver { + public: + explicit AudioState(const AudioState::Config& config); + ~AudioState() override; + + VoiceEngine* voice_engine(); + bool typing_noise_detected() const; + + private: + // rtc::RefCountInterface implementation. + int AddRef() const override; + int Release() const override; + + // webrtc::VoiceEngineObserver implementation. + void CallbackOnError(int channel_id, int err_code) override; + + rtc::ThreadChecker thread_checker_; + rtc::ThreadChecker process_thread_checker_; + const webrtc::AudioState::Config config_; + + // We hold one interface pointer to the VoE to make sure it is kept alive. + ScopedVoEInterface<VoEBase> voe_base_; + + // The critical section isn't strictly needed in this case, but xSAN bots may + // trigger on unprotected cross-thread access. + mutable rtc::CriticalSection crit_sect_; + bool typing_noise_detected_ GUARDED_BY(crit_sect_) = false; + + // Reference count; implementation copied from rtc::RefCountedObject. + mutable volatile int ref_count_ = 0; + + RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(AudioState); +}; +} // namespace internal +} // namespace webrtc + +#endif // WEBRTC_AUDIO_AUDIO_STATE_H_ |