From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- .../libwebrtc/webrtc/voice_engine/audio_level.h | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 third_party/libwebrtc/webrtc/voice_engine/audio_level.h (limited to 'third_party/libwebrtc/webrtc/voice_engine/audio_level.h') diff --git a/third_party/libwebrtc/webrtc/voice_engine/audio_level.h b/third_party/libwebrtc/webrtc/voice_engine/audio_level.h new file mode 100644 index 0000000000..a1951edba9 --- /dev/null +++ b/third_party/libwebrtc/webrtc/voice_engine/audio_level.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2011 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 VOICE_ENGINE_AUDIO_LEVEL_H_ +#define VOICE_ENGINE_AUDIO_LEVEL_H_ + +#include "rtc_base/criticalsection.h" +#include "rtc_base/thread_annotations.h" +#include "typedefs.h" // NOLINT(build/include) + +namespace webrtc { + +class AudioFrame; +namespace voe { + +class AudioLevel { + public: + AudioLevel(); + ~AudioLevel(); + + // Called on "API thread(s)" from APIs like VoEBase::CreateChannel(), + // VoEBase::StopSend(), VoEVolumeControl::GetSpeechOutputLevel(). + int8_t Level() const; + int16_t LevelFullRange() const; + void Clear(); + // See the description for "totalAudioEnergy" in the WebRTC stats spec + // (https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamtrackstats-totalaudioenergy) + double TotalEnergy() const; + double TotalDuration() const; + + // Called on a native capture audio thread (platform dependent) from the + // AudioTransport::RecordedDataIsAvailable() callback. + // In Chrome, this method is called on the AudioInputDevice thread. + void ComputeLevel(const AudioFrame& audioFrame, double duration); + + private: + enum { kUpdateFrequency = 10 }; + + rtc::CriticalSection crit_sect_; + + int16_t abs_max_ RTC_GUARDED_BY(crit_sect_); + int16_t count_ RTC_GUARDED_BY(crit_sect_); + int8_t current_level_ RTC_GUARDED_BY(crit_sect_); + int16_t current_level_full_range_ RTC_GUARDED_BY(crit_sect_); + + double total_energy_ RTC_GUARDED_BY(crit_sect_) = 0.0; + double total_duration_ RTC_GUARDED_BY(crit_sect_) = 0.0; +}; + +} // namespace voe +} // namespace webrtc + +#endif // VOICE_ENGINE_AUDIO_LEVEL_H_ -- cgit v1.2.3